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Abbasi R, Ackermann M, Adams J, Aguilar JA, Ahlers M, Ahrens M, Alameddine JM, Alves AA, Amin NM, Andeen K, Anderson T, Anton G, Argüelles C, Ashida Y, Athanasiadou S, Axani S, Bai X, Balagopal V A, Barwick SW, Basu V, Baur S, Bay R, Beatty JJ, Becker KH, Tjus JB, Beise J, Bellenghi C, Benda S, BenZvi S, Berley D, Bernardini E, Besson DZ, Binder G, Bindig D, Blaufuss E, Blot S, Boddenberg M, Bontempo F, Book JY, Borowka J, Böser S, Botner O, Böttcher J, Bourbeau E, Bradascio F, Braun J, Brinson B, Bron S, Brostean-Kaiser J, Burley RT, Busse RS, Campana MA, Carnie-Bronca EG, Chen C, Chen Z, Chirkin D, Choi K, Clark BA, Clark K, Classen L, Coleman A, Collin GH, Connolly A, Conrad JM, Coppin P, Correa P, Cowen DF, Cross R, Dappen C, Dave P, De Clercq C, DeLaunay JJ, López DD, Dembinski H, Deoskar K, Desai A, Desiati P, de Vries KD, de Wasseige G, DeYoung T, Diaz A, Díaz-Vélez JC, Dittmer M, Dujmovic H, Dunkman M, DuVernois MA, Ehrhardt T, Eller P, Engel R, Erpenbeck H, Evans J, Evenson PA, Fan KL, Fazely AR, Fedynitch A, Feigl N, Fiedlschuster S, Fienberg AT, Finley C, Fischer L, Fox D, Franckowiak A, Friedman E, Fritz A, Fürst P, Gaisser TK, Gallagher J, Ganster E, Garcia A, Garrappa S, Gerhardt L, Ghadimi A, Glaser C, Glauch T, Glüsenkamp T, Goehlke N, Goldschmidt A, Gonzalez JG, Goswami S, Grant D, Grégoire T, Griswold S, Günther C, Gutjahr P, Haack C, Hallgren A, Halliday R, Halve L, Halzen F, Minh MH, Hanson K, Hardin J, Harnisch AA, Haungs A, Helbing K, Henningsen F, Hettinger EC, Hickford S, Hignight J, Hill C, Hill GC, Hoffman KD, Hoshina K, Hou W, Huang F, Huber M, Huber T, Hultqvist K, Hünnefeld M, Hussain R, Hymon K, In S, Iovine N, Ishihara A, Jansson M, Japaridze GS, Jeong M, Jin M, Jones BJP, Kang D, Kang W, Kang X, Kappes A, Kappesser D, Kardum L, Karg T, Karl M, Karle A, Katz U, Kauer M, Kellermann M, Kelley JL, Kheirandish A, Kin K, Kiryluk J, Klein SR, Kochocki A, Koirala R, Kolanoski H, Kontrimas T, Köpke L, Kopper C, Kopper S, Koskinen DJ, Koundal P, Kovacevich M, Kowalski M, Kozynets T, Krupczak E, Kun E, Kurahashi N, Lad N, Gualda CL, Lanfranchi JL, Larson MJ, Lauber F, Lazar JP, Lee JW, Leonard K, Leszczyńska A, Li Y, Lincetto M, Liu QR, Liubarska M, Lohfink E, Mariscal CJL, Lu L, Lucarelli F, Ludwig A, Luszczak W, Lyu Y, Ma WY, Madsen J, Mahn KBM, Makino Y, Mancina S, Mariş IC, Martinez-Soler I, Maruyama R, McHale S, McElroy T, McNally F, Mead JV, Meagher K, Mechbal S, Medina A, Meier M, Meighen-Berger S, Merckx Y, Micallef J, Mockler D, Montaruli T, Moore RW, Morik K, Morse R, Moulai M, Mukherjee T, Naab R, Nagai R, Nahnhauer R, Naumann U, Necker J, Nguyen LV, Niederhausen H, Nisa MU, Nowicki SC, Nygren D, Pollmann AO, Oehler M, Oeyen B, Olivas A, O'Sullivan E, Pandya H, Pankova DV, Park N, Parker GK, Paudel EN, Paul L, de Los Heros CP, Peters L, Peterson J, Philippen S, Pieper S, Pizzuto A, Plum M, Popovych Y, Porcelli A, Rodriguez MP, Pries B, Przybylski GT, Raab C, Rack-Helleis J, Raissi A, Rameez M, Rawlins K, Rea IC, Rechav Z, Rehman A, Reichherzer P, Reimann R, Renzi G, Resconi E, Reusch S, Rhode W, Richman M, Riedel B, Roberts EJ, Robertson S, Roellinghoff G, Rongen M, Rott C, Ruhe T, Ryckbosch D, Cantu DR, Safa I, Saffer J, Salazar-Gallegos D, Sampathkumar P, Herrera SES, Sandrock A, Santander M, Sarkar S, Sarkar S, Satalecka K, Schaufel M, Schieler H, Schindler S, Schmidt T, Schneider A, Schneider J, Schröder FG, Schumacher L, Schwefer G, Sclafani S, Seckel D, Seunarine S, Sharma A, Shefali S, Shimizu N, Silva M, Skrzypek B, Smithers B, Snihur R, Soedingrekso J, Sogaard A, Soldin D, Spannfellner C, Spiczak GM, Spiering C, Stamatikos M, Stanev T, Stein R, Stettner J, Stezelberger T, Stokstad B, Stürwald T, Stuttard T, Sullivan GW, Taboada I, Ter-Antonyan S, Thwaites J, Tilav S, Tischbein F, Tollefson K, Tönnis C, Toscano S, Tosi D, Trettin A, Tselengidou M, Tung CF, Turcati A, Turcotte R, Turley CF, Twagirayezu JP, Ty B, Elorrieta MAU, Valtonen-Mattila N, Vandenbroucke J, van Eijndhoven N, Vannerom D, van Santen J, Veitch-Michaelis J, Verpoest S, Walck C, Wang W, Watson TB, Weaver C, Weigel P, Weindl A, Weiss MJ, Weldert J, Wendt C, Werthebach J, Weyrauch M, Whitehorn N, Wiebusch CH, Willey N, Williams DR, Wolf M, Wrede G, Wulff J, Xu XW, Yanez JP, Yildizci E, Yoshida S, Yu S, Yuan T, Zhang Z, Zhelnin P. Observation of high-energy neutrinos from the Galactic plane. Science 2023; 380:1338-1343. [PMID: 37384687 DOI: 10.1126/science.adc9818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 05/04/2023] [Indexed: 07/01/2023]
Abstract
The origin of high-energy cosmic rays, atomic nuclei that continuously impact Earth's atmosphere, is unknown. Because of deflection by interstellar magnetic fields, cosmic rays produced within the Milky Way arrive at Earth from random directions. However, cosmic rays interact with matter near their sources and during propagation, which produces high-energy neutrinos. We searched for neutrino emission using machine learning techniques applied to 10 years of data from the IceCube Neutrino Observatory. By comparing diffuse emission models to a background-only hypothesis, we identified neutrino emission from the Galactic plane at the 4.5σ level of significance. The signal is consistent with diffuse emission of neutrinos from the Milky Way but could also arise from a population of unresolved point sources.
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Affiliation(s)
- R Abbasi
- Department of Physics, Loyola University Chicago, Chicago, IL 60660, USA
| | - M Ackermann
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - J Adams
- Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | - J A Aguilar
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - M Ahlers
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - M Ahrens
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - J M Alameddine
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - A A Alves
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - N M Amin
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - K Andeen
- Department of Physics, Marquette University, Milwaukee, WI, 53201, USA
| | - T Anderson
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - G Anton
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - C Argüelles
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
| | - Y Ashida
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S Athanasiadou
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - S Axani
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - X Bai
- Physics Department, South Dakota School of Mines and Technology, Rapid City, SD 57701, USA
| | - A Balagopal V
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S W Barwick
- Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA
| | - V Basu
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S Baur
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - R Bay
- Department of Physics, University of California, Berkeley, CA 94720, USA
| | - J J Beatty
- Department of Astronomy, Ohio State University, Columbus, OH 43210, USA
- Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210, USA
| | - K-H Becker
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - J Becker Tjus
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - J Beise
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - C Bellenghi
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - S Benda
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S BenZvi
- Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA
| | - D Berley
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - E Bernardini
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
- Università di Padova, I-35131 Padova, Italy
| | - D Z Besson
- Department of Physics and Astronomy, University of Kansas, Lawrence, KS 66045, USA
| | - G Binder
- Department of Physics, University of California, Berkeley, CA 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - D Bindig
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - E Blaufuss
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - S Blot
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - M Boddenberg
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - F Bontempo
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - J Y Book
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
| | - J Borowka
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - S Böser
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - O Botner
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - J Böttcher
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - E Bourbeau
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - F Bradascio
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - J Braun
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - B Brinson
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - S Bron
- Département de physique nucléaire et corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | | | - R T Burley
- Department of Physics, University of Adelaide, Adelaide, 5005, Australia
| | - R S Busse
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - M A Campana
- Department of Physics, Drexel University, Philadelphia, PA 19104, USA
| | - E G Carnie-Bronca
- Department of Physics, University of Adelaide, Adelaide, 5005, Australia
| | - C Chen
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Z Chen
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794-3800, USA
| | - D Chirkin
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - K Choi
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - B A Clark
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - K Clark
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, ON K7L 3N6, Canada
| | - L Classen
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - A Coleman
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - G H Collin
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - A Connolly
- Department of Astronomy, Ohio State University, Columbus, OH 43210, USA
- Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210, USA
| | - J M Conrad
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - P Coppin
- Vrije Universiteit Brussel, Dienst Elementary Particles, B-1050 Brussels, Belgium
| | - P Correa
- Vrije Universiteit Brussel, Dienst Elementary Particles, B-1050 Brussels, Belgium
| | - D F Cowen
- Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA 16802, USA
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - R Cross
- Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA
| | - C Dappen
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - P Dave
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - C De Clercq
- Vrije Universiteit Brussel, Dienst Elementary Particles, B-1050 Brussels, Belgium
| | - J J DeLaunay
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA
| | - D Delgado López
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
| | - H Dembinski
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - K Deoskar
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - A Desai
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - P Desiati
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - K D de Vries
- Vrije Universiteit Brussel, Dienst Elementary Particles, B-1050 Brussels, Belgium
| | - G de Wasseige
- Centre for Cosmology, Particle Physics and Phenomenology, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - T DeYoung
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - A Diaz
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - J C Díaz-Vélez
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - M Dittmer
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - H Dujmovic
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - M Dunkman
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - M A DuVernois
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - T Ehrhardt
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - P Eller
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - R Engel
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
- Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, D-76021 Karlsruhe, Germany
| | - H Erpenbeck
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - J Evans
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - P A Evenson
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - K L Fan
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - A R Fazely
- Department of Physics, Southern University, Baton Rouge, LA 70813, USA
| | - A Fedynitch
- Institute of Physics, Academia Sinica, Taipei, 11529, Taiwan
| | - N Feigl
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
| | - S Fiedlschuster
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - A T Fienberg
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - C Finley
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - L Fischer
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - D Fox
- Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA 16802, USA
| | - A Franckowiak
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - E Friedman
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - A Fritz
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - P Fürst
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - T K Gaisser
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - J Gallagher
- Department of Astronomy, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - E Ganster
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - A Garcia
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
| | - S Garrappa
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - L Gerhardt
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - A Ghadimi
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA
| | - C Glaser
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - T Glauch
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - T Glüsenkamp
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - N Goehlke
- Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, D-76021 Karlsruhe, Germany
| | - A Goldschmidt
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - J G Gonzalez
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - S Goswami
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA
| | - D Grant
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - T Grégoire
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - S Griswold
- Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA
| | - C Günther
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - P Gutjahr
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - C Haack
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - A Hallgren
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - R Halliday
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - L Halve
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - F Halzen
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - M Ha Minh
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - K Hanson
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - J Hardin
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - A A Harnisch
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - A Haungs
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - K Helbing
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - F Henningsen
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - E C Hettinger
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - S Hickford
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - J Hignight
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2E1 Canada
| | - C Hill
- Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba 263-8522, Japan
| | - G C Hill
- Department of Physics, University of Adelaide, Adelaide, 5005, Australia
| | - K D Hoffman
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - K Hoshina
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
- Earthquake Research Institute, University of Tokyo, Bunkyo, Tokyo 113-0032, Japan
| | - W Hou
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - F Huang
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - M Huber
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - T Huber
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - K Hultqvist
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - M Hünnefeld
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - R Hussain
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - K Hymon
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - S In
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - N Iovine
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - A Ishihara
- Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba 263-8522, Japan
| | - M Jansson
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - G S Japaridze
- The Center for Theoretical Studies of Physical Systems, Clark-Atlanta University, Atlanta, GA 30314, USA
| | - M Jeong
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - M Jin
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
| | - B J P Jones
- Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA
| | - D Kang
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - W Kang
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - X Kang
- Department of Physics, Drexel University, Philadelphia, PA 19104, USA
| | - A Kappes
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - D Kappesser
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - L Kardum
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - T Karg
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - M Karl
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - A Karle
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - U Katz
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - M Kauer
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - M Kellermann
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - J L Kelley
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - A Kheirandish
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - K Kin
- Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba 263-8522, Japan
| | - J Kiryluk
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794-3800, USA
| | - S R Klein
- Department of Physics, University of California, Berkeley, CA 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - A Kochocki
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - R Koirala
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - H Kolanoski
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
| | - T Kontrimas
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - L Köpke
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C Kopper
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - S Kopper
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA
| | - D J Koskinen
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - P Koundal
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - M Kovacevich
- Department of Physics, Drexel University, Philadelphia, PA 19104, USA
| | - M Kowalski
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - T Kozynets
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - E Krupczak
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - E Kun
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - N Kurahashi
- Department of Physics, Drexel University, Philadelphia, PA 19104, USA
| | - N Lad
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | | | - J L Lanfranchi
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - M J Larson
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - F Lauber
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - J P Lazar
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - J W Lee
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - K Leonard
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - A Leszczyńska
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - Y Li
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - M Lincetto
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - Q R Liu
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - M Liubarska
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2E1 Canada
| | - E Lohfink
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C J Lozano Mariscal
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - L Lu
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - F Lucarelli
- Département de physique nucléaire et corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | - A Ludwig
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - W Luszczak
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Y Lyu
- Department of Physics, University of California, Berkeley, CA 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - W Y Ma
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - J Madsen
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - K B M Mahn
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - Y Makino
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S Mancina
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - I C Mariş
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - I Martinez-Soler
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
| | - R Maruyama
- Department of Physics, Yale University, New Haven, CT 06520, USA
| | - S McHale
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - T McElroy
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2E1 Canada
| | - F McNally
- Department of Physics, Mercer University, Macon, GA 31207-0001, USA
| | - J V Mead
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - K Meagher
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S Mechbal
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - A Medina
- Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210, USA
| | - M Meier
- Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba 263-8522, Japan
| | - S Meighen-Berger
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - Y Merckx
- Vrije Universiteit Brussel, Dienst Elementary Particles, B-1050 Brussels, Belgium
| | - J Micallef
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - D Mockler
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - T Montaruli
- Département de physique nucléaire et corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | - R W Moore
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2E1 Canada
| | - K Morik
- Computer Science Faculty, TU Dortmund University, D-44221 Dortmund, Germany
| | - R Morse
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - M Moulai
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - T Mukherjee
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - R Naab
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - R Nagai
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - R Nahnhauer
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - U Naumann
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - J Necker
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - L V Nguyen
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - H Niederhausen
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - M U Nisa
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - S C Nowicki
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - D Nygren
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | | | - M Oehler
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - B Oeyen
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - A Olivas
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - E O'Sullivan
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - H Pandya
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - D V Pankova
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - N Park
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, ON K7L 3N6, Canada
| | - G K Parker
- Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA
| | - E N Paudel
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - L Paul
- Department of Physics, Marquette University, Milwaukee, WI, 53201, USA
| | - C Pérez de Los Heros
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - L Peters
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - J Peterson
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S Philippen
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - S Pieper
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - A Pizzuto
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - M Plum
- Physics Department, South Dakota School of Mines and Technology, Rapid City, SD 57701, USA
| | - Y Popovych
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - A Porcelli
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - M Prado Rodriguez
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - B Pries
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - G T Przybylski
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - C Raab
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - J Rack-Helleis
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - A Raissi
- Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | - M Rameez
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - K Rawlins
- Department of Physics and Astronomy, University of Alaska Anchorage, Anchorage, AK 99508, USA
| | - I C Rea
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - Z Rechav
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - A Rehman
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - P Reichherzer
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - R Reimann
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - G Renzi
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - E Resconi
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - S Reusch
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - W Rhode
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - M Richman
- Department of Physics, Drexel University, Philadelphia, PA 19104, USA
| | - B Riedel
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - E J Roberts
- Department of Physics, University of Adelaide, Adelaide, 5005, Australia
| | - S Robertson
- Department of Physics, University of California, Berkeley, CA 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - G Roellinghoff
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - M Rongen
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C Rott
- Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112, USA
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - T Ruhe
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - D Ryckbosch
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - D Rysewyk Cantu
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - I Safa
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - J Saffer
- Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, D-76021 Karlsruhe, Germany
| | - D Salazar-Gallegos
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - P Sampathkumar
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - S E Sanchez Herrera
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - A Sandrock
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - M Santander
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA
| | - S Sarkar
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2E1 Canada
| | - S Sarkar
- Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, UK
| | - K Satalecka
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - M Schaufel
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - H Schieler
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - S Schindler
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - T Schmidt
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - A Schneider
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - J Schneider
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - F G Schröder
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - L Schumacher
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - G Schwefer
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - S Sclafani
- Department of Physics, Drexel University, Philadelphia, PA 19104, USA
| | - D Seckel
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - S Seunarine
- Department of Physics, University of Wisconsin, River Falls, WI 54022, USA
| | - A Sharma
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - S Shefali
- Karlsruhe Institute of Technology, Institute of Experimental Particle Physics, D-76021 Karlsruhe, Germany
| | - N Shimizu
- Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba 263-8522, Japan
| | - M Silva
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - B Skrzypek
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
| | - B Smithers
- Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA
| | - R Snihur
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - J Soedingrekso
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - A Sogaard
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - D Soldin
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - C Spannfellner
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - G M Spiczak
- Department of Physics, University of Wisconsin, River Falls, WI 54022, USA
| | - C Spiering
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - M Stamatikos
- Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210, USA
| | - T Stanev
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - R Stein
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - J Stettner
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - T Stezelberger
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - B Stokstad
- Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - T Stürwald
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - T Stuttard
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - G W Sullivan
- Department of Physics, University of Maryland, College Park, MD 20742, USA
| | - I Taboada
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - S Ter-Antonyan
- Department of Physics, Southern University, Baton Rouge, LA 70813, USA
| | - J Thwaites
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S Tilav
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
| | - F Tischbein
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - K Tollefson
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - C Tönnis
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, Korea
| | - S Toscano
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - D Tosi
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - A Trettin
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - M Tselengidou
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - C F Tung
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - A Turcati
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - R Turcotte
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - C F Turley
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - J P Twagirayezu
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - B Ty
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - M A Unland Elorrieta
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - N Valtonen-Mattila
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - J Vandenbroucke
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - N van Eijndhoven
- Vrije Universiteit Brussel, Dienst Elementary Particles, B-1050 Brussels, Belgium
| | - D Vannerom
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - J van Santen
- Deutsches Elektronen-Synchrotron, D-15738 Zeuthen, Germany
| | - J Veitch-Michaelis
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S Verpoest
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - C Walck
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - W Wang
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - T B Watson
- Department of Physics, University of Texas at Arlington, Arlington, TX 76019, USA
| | - C Weaver
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - P Weigel
- Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - A Weindl
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - M J Weiss
- Department of Physics, Pennsylvania State University, University Park, PA 16802, USA
| | - J Weldert
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C Wendt
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - J Werthebach
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - M Weyrauch
- Karlsruhe Institute of Technology, Institute for Astroparticle Physics, D-76021 Karlsruhe, Germany
| | - N Whitehorn
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
- Department of Physics and Astronomy, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - C H Wiebusch
- Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - N Willey
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - D R Williams
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA
| | - M Wolf
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - G Wrede
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - J Wulff
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - X W Xu
- Department of Physics, Southern University, Baton Rouge, LA 70813, USA
| | - J P Yanez
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2E1 Canada
| | - E Yildizci
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - S Yoshida
- Department of Physics and The International Center for Hadron Astrophysics, Chiba University, Chiba 263-8522, Japan
| | - S Yu
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - T Yuan
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Z Zhang
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794-3800, USA
| | - P Zhelnin
- Department of Physics and Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA 02138, USA
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Abstract
We review and discuss recent results on the search for correlations between astrophysical neutrinos and γ-ray-detected sources, with many extragalactic studies reporting potential associations with different types of blazars. We investigate possible dependencies on blazar sub-classes by using the largest catalogues and all the multi-frequency data available. Through the study of similarities and differences in these sources we conclude that blazars come in two distinct flavours: LBLs and IHBLs (low-energy-peaked and intermediate-high-energy-peaked objects). These are distinguished by widely different properties such as the overall spectral energy distribution shape, jet speed, cosmological evolution, broad-band spectral variability, and optical polarisation properties. Although blazars of all types have been proposed as neutrino sources, evidence is accumulating in favour of IHBLs being the counterparts of astrophysical neutrinos. If this is indeed the case, we argue that the peculiar observational properties of IHBLs may be indirectly related to proton acceleration to very high energies.
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Abstract
The observation of electromagnetic counterparts to both high energy neutrinos and gravitational waves marked the beginning of a new era in astrophysics. The multi-messenger approach allows us to gain new insights into the most energetic events in the Universe such as gamma-ray bursts, supernovas, and black hole mergers. Real-time multi-messenger alerts are the key component of the observational strategies to unravel the transient signals expected from astrophysical sources. Focusing on the high-energy regime, we present a historical perspective of multi-messenger observations, the detectors and observational techniques used to study them, the status of the multi-messenger alerts and the most significant results, together with an overview of the future prospects in the field.
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Abstract
Continuum gamma-ray emission produced by interactions of cosmic rays with interstellar matter and radiation fields is a probe of non-thermal particle populations in galaxies. After decades of continuous improvements in experimental techniques and an ever-increasing sky and energy coverage, gamma-ray observations reveal in unprecedented detail the properties of galactic cosmic rays. A variety of scales and environments are now accessible to us, from the local interstellar medium near the Sun and the vicinity of cosmic-ray accelerators, out to the Milky Way at large and beyond, with a growing number of gamma-ray emitting star-forming galaxies. Gamma-ray observations have been pushing forward our understanding of the life cycle of cosmic rays in galaxies and, combined with advances in related domains, they have been challenging standard assumptions in the field and have spurred new developments in modelling approaches and data analysis methods. We provide a review of the status of the subject and discuss perspectives on future progress.
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Amenomori M, Bao YW, Bi XJ, Chen D, Chen TL, Chen WY, Chen X, Chen Y, Cui SW, Ding LK, Fang JH, Fang K, Feng CF, Feng Z, Feng ZY, Gao Q, Gou QB, Guo YQ, Guo YY, He HH, He ZT, Hibino K, Hotta N, Hu H, Hu HB, Huang J, Jia HY, Jiang L, Jin HB, Kasahara K, Katayose Y, Kato C, Kato S, Kawata K, Kihara W, Ko Y, Kozai M, Le GM, Li AF, Li HJ, Li WJ, Lin YH, Liu B, Liu C, Liu JS, Liu MY, Liu W, Lou YQ, Lu H, Meng XR, Munakata K, Nakada H, Nakamura Y, Nanjo H, Nishizawa M, Ohnishi M, Ohura T, Ozawa S, Qian XL, Qu XB, Saito T, Sakata M, Sako TK, Shao J, Shibata M, Shiomi A, Sugimoto H, Takano W, Takita M, Tan YH, Tateyama N, Torii S, Tsuchiya H, Udo S, Wang H, Wu HR, Xue L, Yamamoto Y, Yang Z, Yokoe Y, Yuan AF, Zhai LM, Zhang HM, Zhang JL, Zhang X, Zhang XY, Zhang Y, Zhang Y, Zhang Y, Zhao SP, Zhou XX. First Detection of sub-PeV Diffuse Gamma Rays from the Galactic Disk: Evidence for Ubiquitous Galactic Cosmic Rays beyond PeV Energies. PHYSICAL REVIEW LETTERS 2021; 126:141101. [PMID: 33891464 DOI: 10.1103/physrevlett.126.141101] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/05/2021] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
We report, for the first time, the long-awaited detection of diffuse gamma rays with energies between 100 TeV and 1 PeV in the Galactic disk. Particularly, all gamma rays above 398 TeV are observed apart from known TeV gamma-ray sources and compatible with expectations from the hadronic emission scenario in which gamma rays originate from the decay of π^{0}'s produced through the interaction of protons with the interstellar medium in the Galaxy. This is strong evidence that cosmic rays are accelerated beyond PeV energies in our Galaxy and spread over the Galactic disk.
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Affiliation(s)
- M Amenomori
- Department of Physics, Hirosaki University, Hirosaki 036-8561, Japan
| | - Y W Bao
- School of Astronomy and Space Science, Nanjing University, Nanjing 210093, China
| | - X J Bi
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - D Chen
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
| | - T L Chen
- Physics Department of Science School, Tibet University, Lhasa 850000, China
| | - W Y Chen
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Xu Chen
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y Chen
- School of Astronomy and Space Science, Nanjing University, Nanjing 210093, China
| | - S W Cui
- Department of Physics, Hebei Normal University, Shijiazhuang 050016, China
| | - L K Ding
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - J H Fang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - K Fang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - C F Feng
- Institute of Frontier and Interdisciplinary Science and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Qingdao 266237, China
| | - Zhaoyang Feng
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Z Y Feng
- Institute of Modern Physics, SouthWest Jiaotong University, Chengdu 610031, China
| | - Qi Gao
- Physics Department of Science School, Tibet University, Lhasa 850000, China
| | - Q B Gou
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y Q Guo
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y Y Guo
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - H H He
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Z T He
- Department of Physics, Hebei Normal University, Shijiazhuang 050016, China
| | - K Hibino
- Faculty of Engineering, Kanagawa University, Yokohama 221-8686, Japan
| | - N Hotta
- Faculty of Education, Utsunomiya University, Utsunomiya 321-8505, Japan
| | - Haibing Hu
- Physics Department of Science School, Tibet University, Lhasa 850000, China
| | - H B Hu
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - J Huang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - H Y Jia
- Institute of Modern Physics, SouthWest Jiaotong University, Chengdu 610031, China
| | - L Jiang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - H B Jin
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
| | - K Kasahara
- Faculty of Systems Engineering, Shibaura Institute of Technology, Omiya 330-8570, Japan
| | - Y Katayose
- Faculty of Engineering, Yokohama National University, Yokohama 240-8501, Japan
| | - C Kato
- Department of Physics, Shinshu University, Matsumoto 390-8621, Japan
| | - S Kato
- Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan
| | - K Kawata
- Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan
| | - W Kihara
- Department of Physics, Shinshu University, Matsumoto 390-8621, Japan
| | - Y Ko
- Department of Physics, Shinshu University, Matsumoto 390-8621, Japan
| | - M Kozai
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS/JAXA), Sagamihara 252-5210, Japan
| | - G M Le
- National Center for Space Weather, China Meteorological Administration, Beijing 100081, China
| | - A F Li
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Institute of Frontier and Interdisciplinary Science and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Qingdao 266237, China
- School of Information Science and Engineering, Shandong Agriculture University, Taian 271018, China
| | - H J Li
- Physics Department of Science School, Tibet University, Lhasa 850000, China
| | - W J Li
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Institute of Modern Physics, SouthWest Jiaotong University, Chengdu 610031, China
| | - Y H Lin
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - B Liu
- Department of Astronomy, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - C Liu
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - J S Liu
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - M Y Liu
- Physics Department of Science School, Tibet University, Lhasa 850000, China
| | - W Liu
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y-Q Lou
- Department of Physics and Tsinghua Centre for Astrophysics (THCA), Tsinghua University, Beijing 100084, China
- Tsinghua University-National Astronomical Observatories of China (NAOC) Joint Research Center for Astrophysics, Tsinghua University, Beijing 100084, China
- Department of Astronomy, Tsinghua University, Beijing 100084, China
| | - H Lu
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - X R Meng
- Physics Department of Science School, Tibet University, Lhasa 850000, China
| | - K Munakata
- Department of Physics, Shinshu University, Matsumoto 390-8621, Japan
| | - H Nakada
- Faculty of Engineering, Yokohama National University, Yokohama 240-8501, Japan
| | - Y Nakamura
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - H Nanjo
- Department of Physics, Hirosaki University, Hirosaki 036-8561, Japan
| | - M Nishizawa
- National Institute of Informatics, Tokyo 101-8430, Japan
| | - M Ohnishi
- Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan
| | - T Ohura
- Faculty of Engineering, Yokohama National University, Yokohama 240-8501, Japan
| | - S Ozawa
- National Institute of Information and Communications Technology, Tokyo 184-8795, Japan
| | - X L Qian
- Department of Mechanical and Electrical Engineering, Shandong Management University, Jinan 250357, China
| | - X B Qu
- College of Science, China University of Petroleum, Qingdao, 266555, China
| | - T Saito
- Tokyo Metropolitan College of Industrial Technology, Tokyo 116-8523, Japan
| | - M Sakata
- Department of Physics, Konan University, Kobe 658-8501, Japan
| | - T K Sako
- Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan
| | - J Shao
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Institute of Frontier and Interdisciplinary Science and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Qingdao 266237, China
| | - M Shibata
- Faculty of Engineering, Yokohama National University, Yokohama 240-8501, Japan
| | - A Shiomi
- College of Industrial Technology, Nihon University, Narashino 275-8575, Japan
| | - H Sugimoto
- Shonan Institute of Technology, Fujisawa 251-8511, Japan
| | - W Takano
- Faculty of Engineering, Kanagawa University, Yokohama 221-8686, Japan
| | - M Takita
- Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan
| | - Y H Tan
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - N Tateyama
- Faculty of Engineering, Kanagawa University, Yokohama 221-8686, Japan
| | - S Torii
- Research Institute for Science and Engineering, Waseda University, Tokyo 169-8555, Japan
| | - H Tsuchiya
- Japan Atomic Energy Agency, Tokai-mura 319-1195, Japan
| | - S Udo
- Faculty of Engineering, Kanagawa University, Yokohama 221-8686, Japan
| | - H Wang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - H R Wu
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - L Xue
- Institute of Frontier and Interdisciplinary Science and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Qingdao 266237, China
| | - Y Yamamoto
- Department of Physics, Konan University, Kobe 658-8501, Japan
| | - Z Yang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Y Yokoe
- Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan
| | - A F Yuan
- Physics Department of Science School, Tibet University, Lhasa 850000, China
| | - L M Zhai
- National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
| | - H M Zhang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - J L Zhang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - X Zhang
- School of Astronomy and Space Science, Nanjing University, Nanjing 210093, China
| | - X Y Zhang
- Institute of Frontier and Interdisciplinary Science and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Qingdao 266237, China
| | - Y Zhang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Yi Zhang
- Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210034, China
| | - Ying Zhang
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - S P Zhao
- Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - X X Zhou
- Institute of Modern Physics, SouthWest Jiaotong University, Chengdu 610031, China
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6
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Aartsen M, Abbasi R, Ackermann M, Adams J, Aguilar J, Ahlers M, Ahrens M, Alispach C, Amin N, Andeen K, Anderson T, Ansseau I, Anton G, Argüelles C, Auffenberg J, Axani S, Bagherpour H, Bai X, Balagopal V. A, Barbano A, Barwick S, Bastian B, Basu V, Baum V, Baur S, Bay R, Beatty J, Becker KH, Becker Tjus J, BenZvi S, Berley D, Bernardini E, Besson D, Binder G, Bindig D, Blaufuss E, Blot S, Bohm C, Böser S, Botner O, Böttcher J, Bourbeau E, Bourbeau J, Bradascio F, Braun J, Bron S, Brostean-Kaiser J, Burgman A, Buscher J, Busse R, Carver T, Chen C, Cheung E, Chirkin D, Choi S, Clark B, Clark K, Classen L, Coleman A, Collin G, Conrad J, Coppin P, Correa P, Cowen D, Cross R, Dave P, De Clercq C, DeLaunay J, Dembinski H, Deoskar K, De Ridder S, Desai A, Desiati P, de Vries K, de Wasseige G, de With M, DeYoung T, Dharani S, Diaz A, Díaz-Vélez J, Dujmovic H, Dunkman M, DuVernois M, Dvorak E, Ehrhardt T, Eller P, Engel R, Evenson P, Fahey S, Fazely A, Fedynitch A, Felde J, Fienberg A, Filimonov K, Finley C, Fox D, Franckowiak A, Friedman E, Fritz A, Gaisser T, Gallagher J, Ganster E, Garrappa S, Gerhardt L, Glauch T, Glüsenkamp T, Goldschmidt A, Gonzalez J, Grant D, Grégoire T, Griffith Z, Griswold S, Günder M, Gündüz M, Haack C, Hallgren A, Halliday R, Halve L, Halzen F, Hanson K, Hardin J, Haungs A, Hauser S, Hebecker D, Heereman D, Heix P, Helbing K, Hellauer R, Henningsen F, Hickford S, Hignight J, Hill G, Hoffman K, Hoffmann R, Hoinka T, Hokanson-Fasig B, Hoshina K, Huang F, Huber M, Huber T, Hultqvist K, Hünnefeld M, Hussain R, In S, Iovine N, Ishihara A, Jansson M, Japaridze G, Jeong M, Jones B, Jonske F, Joppe R, Kang D, Kang W, Kappes A, Kappesser D, Karg T, Karl M, Karle A, Katz U, Kauer M, Kellermann M, Kelley J, Kheirandish A, Kim J, Kintscher T, Kiryluk J, Kittler T, Klein S, Koirala R, Kolanoski H, Köpke L, Kopper C, Kopper S, Koskinen D, Koundal P, Kowalski M, Krings K, Krückl G, Kulacz N, Kurahashi N, Kyriacou A, Lanfranchi J, Larson M, Lauber F, Lazar J, Leonard K, Leszczyńska A, Li Y, Liu Q, Lohfink E, Lozano Mariscal C, Lu L, Lucarelli F, Ludwig A, Lünemann J, Luszczak W, Lyu Y, Ma W, Madsen J, Maggi G, Mahn K, Makino Y, Mallik P, Mancina S, Mariş I, Maruyama R, Mase K, Maunu R, McNally F, Meagher K, Medici M, Medina A, Meier M, Meighen-Berger S, Merz J, Meures T, Micallef J, Mockler D, Momenté G, Montaruli T, Moore R, Morse R, Moulai M, Muth P, Nagai R, Naumann U, Neer G, Nguyen L, Niederhausen H, Nisa M, Nowicki S, Nygren D, Obertacke Pollmann A, Oehler M, Olivas A, O’Murchadha A, O’Sullivan E, Palczewski T, Pandya H, Pankova D, Park N, Parker G, Paudel E, Peiffer P, Pérez de los Heros C, Philippen S, Pieloth D, Pieper S, Pinat E, Pizzuto A, Plum M, Popovych Y, Porcelli A, Prado Rodriguez M, Price P, Przybylski G, Raab C, Raissi A, Rameez M, Rauch L, Rawlins K, Rea I, Rehman A, Reimann R, Relethford B, Renschler M, Renzi G, Resconi E, Rhode W, Richman M, Riedel B, Robertson S, Rongen M, Rott C, Ruhe T, Ryckbosch D, Rysewyk Cantu D, Safa I, Sanchez Herrera S, Sandrock A, Sandroos J, Santander M, Sarkar S, Sarkar S, Satalecka K, Scharf M, Schaufel M, Schieler H, Schlunder P, Schmidt T, Schneider A, Schneider J, Schröder F, Schumacher L, Sclafani S, Seckel D, Seunarine S, Shefali S, Silva M, Smithers B, Snihur R, Soedingrekso J, Soldin D, Song M, Spiczak G, Spiering C, Stachurska J, Stamatikos M, Stanev T, Stein R, Stettner J, Steuer A, Stezelberger T, Stokstad R, Stößl A, Strotjohann N, Stürwald T, Stuttard T, Sullivan G, Taboada I, Tenholt F, Ter-Antonyan S, Terliuk A, Tilav S, Tollefson K, Tomankova L, Tönnis C, Toscano S, Tosi D, Trettin A, Tselengidou M, Tung C, Turcati A, Turcotte R, Turley C, Ty B, Unger E, Unland Elorrieta M, Usner M, Vandenbroucke J, Van Driessche W, van Eijk D, van Eijndhoven N, Vannerom D, van Santen J, Verpoest S, Vraeghe M, Walck C, Wallace A, Wallraff M, Watson T, Weaver C, Weindl A, Weiss M, Weldert J, Wendt C, Werthebach J, Whelan B, Whitehorn N, Wiebe K, Wiebusch C, Williams D, Wills L, Wolf M, Wood T, Woschnagg K, Wrede G, Wulff J, Xu X, Xu Y, Yanez J, Yodh G, Yoshida S, Yuan T, Zhang Z, Zöcklein M. Searching for eV-scale sterile neutrinos with eight years of atmospheric neutrinos at the IceCube Neutrino Telescope. Int J Clin Exp Med 2020. [DOI: 10.1103/physrevd.102.052009] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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7
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Aartsen MG, Ackermann M, Adams J, Aguilar JA, Ahlers M, Ahrens M, Alispach C, Andeen K, Anderson T, Ansseau I, Anton G, Argüelles C, Auffenberg J, Axani S, Backes P, Bagherpour H, Bai X, Balagopal V A, Barbano A, Barwick SW, Bastian B, Baum V, Baur S, Bay R, Beatty JJ, Becker KH, Becker Tjus J, BenZvi S, Berley D, Bernardini E, Besson DZ, Binder G, Bindig D, Blaufuss E, Blot S, Bohm C, Böser S, Botner O, Böttcher J, Bourbeau E, Bourbeau J, Bradascio F, Braun J, Bron S, Brostean-Kaiser J, Burgman A, Buscher J, Busse RS, Carver T, Chen C, Cheung E, Chirkin D, Choi S, Clark K, Classen L, Coleman A, Collin GH, Conrad JM, Coppin P, Correa P, Cowen DF, Cross R, Dave P, De Clercq C, DeLaunay JJ, Dembinski H, Deoskar K, De Ridder S, Desiati P, de Vries KD, de Wasseige G, de With M, DeYoung T, Diaz A, Díaz-Vélez JC, Dujmovic H, Dunkman M, Dvorak E, Eberhardt B, Ehrhardt T, Eller P, Engel R, Evenson PA, Fahey S, Fazely AR, Felde J, Filimonov K, Finley C, Fox D, Franckowiak A, Friedman E, Fritz A, Gaisser TK, Gallagher J, Ganster E, Garrappa S, Gerhardt L, Ghorbani K, Glauch T, Glüsenkamp T, Goldschmidt A, Gonzalez JG, Grant D, Grégoire T, Griffith Z, Griswold S, Günder M, Gündüz M, Haack C, Hallgren A, Halliday R, Halve L, Halzen F, Hanson K, Haungs A, Hebecker D, Heereman D, Heix P, Helbing K, Hellauer R, Henningsen F, Hickford S, Hignight J, Hill GC, Hoffman KD, Hoffmann R, Hoinka T, Hokanson-Fasig B, Hoshina K, Huang F, Huber M, Huber T, Hultqvist K, Hünnefeld M, Hussain R, In S, Iovine N, Ishihara A, Jansson M, Japaridze GS, Jeong M, Jero K, Jones BJP, Jonske F, Joppe R, Kang D, Kang W, Kappes A, Kappesser D, Karg T, Karl M, Karle A, Katz U, Kauer M, Kelley JL, Kheirandish A, Kim J, Kintscher T, Kiryluk J, Kittler T, Klein SR, Koirala R, Kolanoski H, Köpke L, Kopper C, Kopper S, Koskinen DJ, Kowalski M, Krings K, Krückl G, Kulacz N, Kurahashi N, Kyriacou A, Lanfranchi JL, Larson MJ, Lauber F, Lazar JP, Leonard K, Lesiak-Bzdak M, Leszczyńska A, Leuermann M, Liu QR, Lohfink E, Lozano Mariscal CJ, Lu L, Lucarelli F, Lünemann J, Luszczak W, Lyu Y, Ma WY, Madsen J, Maggi G, Mahn KBM, Makino Y, Mallik P, Mallot K, Mancina S, Mariş IC, Maruyama R, Mase K, Maunu R, McNally F, Meagher K, Medici M, Medina A, Meier M, Meighen-Berger S, Merino G, Meures T, Micallef J, Mockler D, Momenté G, Montaruli T, Moore RW, Morse R, Moulai M, Muth P, Nagai R, Naumann U, Neer G, Niederhausen H, Nisa MU, Nowicki SC, Nygren DR, Obertacke Pollmann A, Oehler M, Olivas A, O'Murchadha A, O'Sullivan E, Palczewski T, Pandya H, Pankova DV, Park N, Peiffer P, Pérez de Los Heros C, Philippen S, Pieloth D, Pieper S, Pinat E, Pizzuto A, Plum M, Porcelli A, Price PB, Przybylski GT, Raab C, Raissi A, Rameez M, Rauch L, Rawlins K, Rea IC, Rehman A, Reimann R, Relethford B, Renschler M, Renzi G, Resconi E, Rhode W, Richman M, Robertson S, Rongen M, Rott C, Ruhe T, Ryckbosch D, Rysewyk D, Safa I, Sanchez Herrera SE, Sandrock A, Sandroos J, Santander M, Sarkar S, Sarkar S, Satalecka K, Schaufel M, Schieler H, Schlunder P, Schmidt T, Schneider A, Schneider J, Schröder FG, Schumacher L, Sclafani S, Seckel D, Seunarine S, Shefali S, Silva M, Snihur R, Soedingrekso J, Soldin D, Song M, Spiczak GM, Spiering C, Stachurska J, Stamatikos M, Stanev T, Stein R, Stettner J, Steuer A, Stezelberger T, Stokstad RG, Stößl A, Strotjohann NL, Stürwald T, Stuttard T, Sullivan GW, Taboada I, Tenholt F, Ter-Antonyan S, Terliuk A, Tilav S, Tollefson K, Tomankova L, Tönnis C, Toscano S, Tosi D, Trettin A, Tselengidou M, Tung CF, Turcati A, Turcotte R, Turley CF, Ty B, Unger E, Unland Elorrieta MA, Usner M, Vandenbroucke J, Van Driessche W, van Eijk D, van Eijndhoven N, van Santen J, Verpoest S, Vraeghe M, Walck C, Wallace A, Wallraff M, Wandkowsky N, Watson TB, Weaver C, Weindl A, Weiss MJ, Weldert J, Wendt C, Werthebach J, Whelan BJ, Whitehorn N, Wiebe K, Wiebusch CH, Wille L, Williams DR, Wills L, Wolf M, Wood J, Wood TR, Woschnagg K, Wrede G, Xu DL, Xu XW, Xu Y, Yanez JP, Yodh G, Yoshida S, Yuan T, Zöcklein M. Characteristics of the Diffuse Astrophysical Electron and Tau Neutrino Flux with Six Years of IceCube High Energy Cascade Data. PHYSICAL REVIEW LETTERS 2020; 125:121104. [PMID: 33016752 DOI: 10.1103/physrevlett.125.121104] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 06/02/2020] [Accepted: 07/20/2020] [Indexed: 06/11/2023]
Abstract
We report on the first measurement of the astrophysical neutrino flux using particle showers (cascades) in IceCube data from 2010-2015. Assuming standard oscillations, the astrophysical neutrinos in this dedicated cascade sample are dominated (∼90%) by electron and tau flavors. The flux, observed in the sensitive energy range from 16 TeV to 2.6 PeV, is consistent with a single power-law model as expected from Fermi-type acceleration of high energy particles at astrophysical sources. We find the flux spectral index to be γ=2.53±0.07 and a flux normalization for each neutrino flavor of ϕ_{astro}=1.66_{-0.27}^{+0.25} at E_{0}=100 TeV, in agreement with IceCube's complementary muon neutrino results and with all-neutrino flavor fit results. In the measured energy range we reject spectral indices γ≤2.28 at ≥3σ significance level. Because of high neutrino energy resolution and low atmospheric neutrino backgrounds, this analysis provides the most detailed characterization of the neutrino flux at energies below ∼100 TeV compared to previous IceCube results. Results from fits assuming more complex neutrino flux models suggest a flux softening at high energies and a flux hardening at low energies (p value ≥0.06). The sizable and smooth flux measured below ∼100 TeV remains a puzzle. In order to not violate the isotropic diffuse gamma-ray background as measured by the Fermi Large Area Telescope, it suggests the existence of astrophysical neutrino sources characterized by dense environments which are opaque to gamma rays.
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Affiliation(s)
- M G Aartsen
- Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | | | - J Adams
- Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | - J A Aguilar
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - M Ahlers
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - M Ahrens
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - C Alispach
- Département de Physique Nucléaire et Corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | - K Andeen
- Department of Physics, Marquette University, Milwaukee, Wisconsin, 53201, USA
| | - T Anderson
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - I Ansseau
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - G Anton
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - C Argüelles
- Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - J Auffenberg
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - S Axani
- Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - P Backes
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - H Bagherpour
- Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | - X Bai
- Physics Department, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - A Balagopal V
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - A Barbano
- Département de Physique Nucléaire et Corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | - S W Barwick
- Department of Physics and Astronomy, University of California, Irvine, California 92697, USA
| | | | - V Baum
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - S Baur
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - R Bay
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - J J Beatty
- Department of Astronomy, Ohio State University, Columbus, Ohio 43210, USA
- Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - K-H Becker
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - J Becker Tjus
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - S BenZvi
- Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA
| | - D Berley
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | | | - D Z Besson
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, USA
| | - G Binder
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - D Bindig
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - E Blaufuss
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - S Blot
- DESY, D-15738 Zeuthen, Germany
| | - C Bohm
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - S Böser
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - O Botner
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - J Böttcher
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - E Bourbeau
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - J Bourbeau
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | | | - J Braun
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Bron
- Département de Physique Nucléaire et Corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | | | - A Burgman
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - J Buscher
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - R S Busse
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - T Carver
- Département de Physique Nucléaire et Corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | - C Chen
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
| | - E Cheung
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - D Chirkin
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Choi
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - K Clark
- SNOLAB, 1039 Regional Road 24, Creighton Mine 9, Lively, Ontario, Canada P3Y 1N2
| | - L Classen
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - A Coleman
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - G H Collin
- Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - J M Conrad
- Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - P Coppin
- Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
| | - P Correa
- Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
| | - D F Cowen
- Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - R Cross
- Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA
| | - P Dave
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
| | - C De Clercq
- Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
| | - J J DeLaunay
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - H Dembinski
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - K Deoskar
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - S De Ridder
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - P Desiati
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - K D de Vries
- Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
| | - G de Wasseige
- Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
| | - M de With
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
| | - T DeYoung
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - A Diaz
- Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - J C Díaz-Vélez
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - H Dujmovic
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - M Dunkman
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - E Dvorak
- Physics Department, South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - B Eberhardt
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - T Ehrhardt
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - P Eller
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - R Engel
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - P A Evenson
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - S Fahey
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - A R Fazely
- Department of Physics, Southern University, Baton Rouge, Louisiana 70813, USA
| | - J Felde
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - K Filimonov
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - C Finley
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - D Fox
- Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | | | - E Friedman
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - A Fritz
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - T K Gaisser
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - J Gallagher
- Department of Astronomy, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - E Ganster
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | | | - L Gerhardt
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - K Ghorbani
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - T Glauch
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - T Glüsenkamp
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - A Goldschmidt
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - J G Gonzalez
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - D Grant
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - T Grégoire
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - Z Griffith
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Griswold
- Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA
| | - M Günder
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - M Gündüz
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - C Haack
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - A Hallgren
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - R Halliday
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - L Halve
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - F Halzen
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - K Hanson
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - A Haungs
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - D Hebecker
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
| | - D Heereman
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - P Heix
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - K Helbing
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - R Hellauer
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - F Henningsen
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - S Hickford
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - J Hignight
- Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1
| | - G C Hill
- Department of Physics, University of Adelaide, Adelaide, 5005, Australia
| | - K D Hoffman
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - R Hoffmann
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - T Hoinka
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - B Hokanson-Fasig
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - K Hoshina
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - F Huang
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - M Huber
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - T Huber
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
- DESY, D-15738 Zeuthen, Germany
| | - K Hultqvist
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - M Hünnefeld
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - R Hussain
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S In
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - N Iovine
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - A Ishihara
- Department of Physics and Institute for Global Prominent Research, Chiba University, Chiba 263-8522, Japan
| | - M Jansson
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - G S Japaridze
- CTSPS, Clark-Atlanta University, Atlanta, Georgia 30314, USA
| | - M Jeong
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - K Jero
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - B J P Jones
- Department of Physics, University of Texas at Arlington, 502 Yates Street, Science Hall Rm 108, Box 19059, Arlington, Texas 76019, USA
| | - F Jonske
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - R Joppe
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - D Kang
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - W Kang
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - A Kappes
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - D Kappesser
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - T Karg
- DESY, D-15738 Zeuthen, Germany
| | - M Karl
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - A Karle
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - U Katz
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - M Kauer
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - J L Kelley
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - A Kheirandish
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - J Kim
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | | | - J Kiryluk
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794-3800, USA
| | - T Kittler
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - S R Klein
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - R Koirala
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - H Kolanoski
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
| | - L Köpke
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C Kopper
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - S Kopper
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - D J Koskinen
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - M Kowalski
- Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
- DESY, D-15738 Zeuthen, Germany
| | - K Krings
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - G Krückl
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - N Kulacz
- Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1
| | - N Kurahashi
- Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, USA
| | - A Kyriacou
- Department of Physics, University of Adelaide, Adelaide, 5005, Australia
| | - J L Lanfranchi
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - M J Larson
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - F Lauber
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - J P Lazar
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - K Leonard
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - M Lesiak-Bzdak
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794-3800, USA
| | - A Leszczyńska
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - M Leuermann
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - Q R Liu
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - E Lohfink
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C J Lozano Mariscal
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - L Lu
- Department of Physics and Institute for Global Prominent Research, Chiba University, Chiba 263-8522, Japan
| | - F Lucarelli
- Département de Physique Nucléaire et Corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | - J Lünemann
- Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
| | - W Luszczak
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - Y Lyu
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - W Y Ma
- DESY, D-15738 Zeuthen, Germany
| | - J Madsen
- Department of Physics, University of Wisconsin, River Falls, Wisconsin 54022, USA
| | - G Maggi
- Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
| | - K B M Mahn
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - Y Makino
- Department of Physics and Institute for Global Prominent Research, Chiba University, Chiba 263-8522, Japan
| | - P Mallik
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - K Mallot
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S Mancina
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - I C Mariş
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - R Maruyama
- Department of Physics, Yale University, New Haven, Connecticut 06520, USA
| | - K Mase
- Department of Physics and Institute for Global Prominent Research, Chiba University, Chiba 263-8522, Japan
| | - R Maunu
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - F McNally
- Department of Physics, Mercer University, Macon, Georgia 31207-0001, USA
| | - K Meagher
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - M Medici
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - A Medina
- Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - M Meier
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - S Meighen-Berger
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - G Merino
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - T Meures
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - J Micallef
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - D Mockler
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - G Momenté
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - T Montaruli
- Département de Physique Nucléaire et Corpusculaire, Université de Genève, CH-1211 Genève, Switzerland
| | - R W Moore
- Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1
| | - R Morse
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - M Moulai
- Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - P Muth
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - R Nagai
- Department of Physics and Institute for Global Prominent Research, Chiba University, Chiba 263-8522, Japan
| | - U Naumann
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - G Neer
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - H Niederhausen
- Physik-department, Technische Universität München, D-85748 Garching, Germany
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794-3800, USA
| | - M U Nisa
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - S C Nowicki
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - D R Nygren
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | | | - M Oehler
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - A Olivas
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - A O'Murchadha
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - E O'Sullivan
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - T Palczewski
- Department of Physics, University of California, Berkeley, California 94720, USA
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - H Pandya
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - D V Pankova
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - N Park
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - P Peiffer
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C Pérez de Los Heros
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - S Philippen
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - D Pieloth
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - S Pieper
- Department of Physics, University of Wuppertal, D-42119 Wuppertal, Germany
| | - E Pinat
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - A Pizzuto
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - M Plum
- Department of Physics, Marquette University, Milwaukee, Wisconsin, 53201, USA
| | - A Porcelli
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - P B Price
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - G T Przybylski
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - C Raab
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - A Raissi
- Department of Physics and Astronomy, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | - M Rameez
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - L Rauch
- DESY, D-15738 Zeuthen, Germany
| | - K Rawlins
- Department of Physics and Astronomy, University of Alaska Anchorage, 3211 Providence Drive, Anchorage, Alaska 99508, USA
| | - I C Rea
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - A Rehman
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - R Reimann
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - B Relethford
- Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, USA
| | - M Renschler
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - G Renzi
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - E Resconi
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - W Rhode
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - M Richman
- Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, USA
| | - S Robertson
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - M Rongen
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - C Rott
- Department of Physics, Sungkyunkwan University, Suwon 16419, Korea
| | - T Ruhe
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - D Ryckbosch
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - D Rysewyk
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - I Safa
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - S E Sanchez Herrera
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - A Sandrock
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - J Sandroos
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - M Santander
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - S Sarkar
- Department of Physics, University of Oxford, Parks Road, Oxford OX1 3PU, United Kingdom
| | - S Sarkar
- Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1
| | | | - M Schaufel
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - H Schieler
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - P Schlunder
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - T Schmidt
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - A Schneider
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - J Schneider
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - F G Schröder
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - L Schumacher
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - S Sclafani
- Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, USA
| | - D Seckel
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - S Seunarine
- Department of Physics, University of Wisconsin, River Falls, Wisconsin 54022, USA
| | - S Shefali
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - M Silva
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - R Snihur
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - J Soedingrekso
- Department of Physics, TU Dortmund University, D-44221 Dortmund, Germany
| | - D Soldin
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - M Song
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - G M Spiczak
- Department of Physics, University of Wisconsin, River Falls, Wisconsin 54022, USA
| | | | | | - M Stamatikos
- Department of Physics and Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio 43210, USA
| | - T Stanev
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - R Stein
- DESY, D-15738 Zeuthen, Germany
| | - J Stettner
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - A Steuer
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - T Stezelberger
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - R G Stokstad
- Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - A Stößl
- Department of Physics and Institute for Global Prominent Research, Chiba University, Chiba 263-8522, Japan
| | | | - T Stürwald
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - T Stuttard
- Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark
| | - G W Sullivan
- Department of Physics, University of Maryland, College Park, Maryland 20742, USA
| | - I Taboada
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
| | - F Tenholt
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - S Ter-Antonyan
- Department of Physics, Southern University, Baton Rouge, Louisiana 70813, USA
| | | | - S Tilav
- Bartol Research Institute and Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716, USA
| | - K Tollefson
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - L Tomankova
- Fakultät für Physik & Astronomie, Ruhr-Universität Bochum, D-44780 Bochum, Germany
| | - C Tönnis
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, Korea
| | - S Toscano
- Université Libre de Bruxelles, Science Faculty CP230, B-1050 Brussels, Belgium
| | - D Tosi
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | | | - M Tselengidou
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - C F Tung
- School of Physics and Center for Relativistic Astrophysics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
| | - A Turcati
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - R Turcotte
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - C F Turley
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - B Ty
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - E Unger
- Department of Physics and Astronomy, Uppsala University, Box 516, S-75120 Uppsala, Sweden
| | - M A Unland Elorrieta
- Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, D-48149 Münster, Germany
| | - M Usner
- DESY, D-15738 Zeuthen, Germany
| | - J Vandenbroucke
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - W Van Driessche
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - D van Eijk
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - N van Eijndhoven
- Vrije Universiteit Brussel (VUB), Dienst ELEM, B-1050 Brussels, Belgium
| | | | - S Verpoest
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - M Vraeghe
- Department of Physics and Astronomy, University of Gent, B-9000 Gent, Belgium
| | - C Walck
- Oskar Klein Centre and Department of Physics, Stockholm University, SE-10691 Stockholm, Sweden
| | - A Wallace
- Department of Physics, University of Adelaide, Adelaide, 5005, Australia
| | - M Wallraff
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - N Wandkowsky
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - T B Watson
- Department of Physics, University of Texas at Arlington, 502 Yates Street, Science Hall Rm 108, Box 19059, Arlington, Texas 76019, USA
| | - C Weaver
- Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1
| | - A Weindl
- Karlsruhe Institute of Technology, Institut für Kernphysik, D-76021 Karlsruhe, Germany
| | - M J Weiss
- Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA
| | - J Weldert
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C Wendt
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - J Werthebach
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - B J Whelan
- Department of Physics, University of Adelaide, Adelaide, 5005, Australia
| | - N Whitehorn
- Department of Physics and Astronomy, UCLA, Los Angeles, California 90095, USA
| | - K Wiebe
- Institute of Physics, University of Mainz, Staudinger Weg 7, D-55099 Mainz, Germany
| | - C H Wiebusch
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
| | - L Wille
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - D R Williams
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - L Wills
- Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, USA
| | - M Wolf
- Physik-department, Technische Universität München, D-85748 Garching, Germany
| | - J Wood
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - T R Wood
- Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1
| | - K Woschnagg
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - G Wrede
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
| | - D L Xu
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - X W Xu
- Department of Physics, Southern University, Baton Rouge, Louisiana 70813, USA
| | - Y Xu
- Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794-3800, USA
| | - J P Yanez
- Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1
| | - G Yodh
- Department of Physics and Astronomy, University of California, Irvine, California 92697, USA
| | - S Yoshida
- Department of Physics and Institute for Global Prominent Research, Chiba University, Chiba 263-8522, Japan
| | - T Yuan
- Department of Physics and Wisconsin IceCube Particle Astrophysics Center, University of Wisconsin, Madison, Wisconsin 53706, USA
| | - M Zöcklein
- III. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen, Germany
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Babu KS, Dev PSB, Jana S, Sui Y. Zee-Burst: A New Probe of Neutrino Nonstandard Interactions at IceCube. PHYSICAL REVIEW LETTERS 2020; 124:041805. [PMID: 32058789 DOI: 10.1103/physrevlett.124.041805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Indexed: 06/10/2023]
Abstract
We propose a new way to probe nonstandard interactions (NSI) of neutrinos with matter using the ultrahigh energy (UHE) neutrino data at current and future neutrino telescopes. We consider the Zee model of radiative neutrino mass generation as a prototype, which allows two charged scalars-one SU(2)_{L} doublet and one singlet, both being leptophilic, to be as light as 100 GeV, thereby inducing potentially observable NSI with electrons. We show that these light charged Zee scalars could give rise to a Glashow-like resonance feature in the UHE neutrino event spectrum at the IceCube neutrino observatory and its high-energy upgrade IceCube-Gen2, which can probe a sizable fraction of the allowed NSI parameter space.
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Affiliation(s)
- K S Babu
- Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078, USA
| | - P S Bhupal Dev
- Department of Physics and McDonnell Center for the Space Sciences, Washington University, St. Louis, Missouri 63130, USA
| | - Sudip Jana
- Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078, USA
| | - Yicong Sui
- Department of Physics and McDonnell Center for the Space Sciences, Washington University, St. Louis, Missouri 63130, USA
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