1
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Parno DS, Poon AWP, Singh V. Experimental neutrino physics in a nuclear landscape. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2024; 382:20230122. [PMID: 38910396 DOI: 10.1098/rsta.2023.0122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 01/22/2024] [Indexed: 06/25/2024]
Abstract
There are profound connections between neutrino physics and nuclear experiments. Exceptionally precise measurements of single and double beta-decay spectra illuminate the scale and nature of neutrino mass and may finally answer the question of whether neutrinos are their own anti-matter counterparts. Neutrino-nucleus scattering underpins oscillation experiments and probes nuclear structure, neutrinos offer a rare vantage point into collapsing stars and nuclear fission reactors and techniques pioneered in neutrino nuclear physics experiments are advancing quantum sensing technologies. In this article, we review current and planned efforts at the intersection of neutrino and nuclear experiments. This article is part of the theme issue 'The liminal position of Nuclear Physics: from hadrons to neutron stars'.
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Affiliation(s)
- D S Parno
- Department of Physics, Carnegie Mellon University , Pittsburgh, PA 15213, USA
| | - A W P Poon
- Nuclear Science Division, Lawrence Berkeley National Laboratory , Berkeley, CA 94720, USA
| | - V Singh
- Department of Physics, University of California , Berkeley, CA 94720, USA
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2
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Abstract
Lepton-flavor violation (LFV) has been discovered in the neutrino sector by neutrino oscillation experiments. The minimal extension of the Standard Model (SM) to include neutrino masses allows LFV in the charged sector (CLFV) at the loop level, but at rates that are too small to be experimentally observed. Lepton-number violation (LNV) is explicitly forbidden even in the minimally extended SM, so the observation of an LNV process would be unambiguous evidence of physics beyond the SM. The search for the LNV and CLFV process μ−+N(A,Z)→e++N′(A,Z−2) (referred to as μ−→e+) complements 0νββ decay searches, and is sensitive to potential flavor effects in the neutrino mass-generation mechanism. A theoretical motivation for μ−→e+ is presented along with a review of the status of past μ−→e+ experiments and future prospects. Special attention is paid to an uncertain and potentially dominant background for these searches, namely, radiative muon capture (RMC). The RMC high energy photon spectrum is theoretically understudied and existing measurements insufficiently constrain this portion of the spectrum, leading to potentially significant impacts on current and future μ−→e+ work.
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3
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Jha T, Khan S, Mitra M, Patra A. Zooming in on eV-MeV scale sterile neutrinos in light of neutrinoless double beta decay. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.105.035001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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4
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Ge Z, Eronen T, Tyrin KS, Kotila J, Kostensalo J, Nesterenko DA, Beliuskina O, de Groote R, de Roubin A, Geldhof S, Gins W, Hukkanen M, Jokinen A, Kankainen A, Koszorús Á, Krivoruchenko MI, Kujanpää S, Moore ID, Raggio A, Rinta-Antila S, Suhonen J, Virtanen V, Weaver AP, Zadvornaya A. ^{159}Dy Electron-Capture: A New Candidate for Neutrino Mass Determination. PHYSICAL REVIEW LETTERS 2021; 127:272301. [PMID: 35061421 DOI: 10.1103/physrevlett.127.272301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/22/2021] [Accepted: 11/30/2021] [Indexed: 06/14/2023]
Abstract
The ground state to ground state electron-capture Q value of ^{159}Dy (3/2^{-}) has been measured directly using the double Penning trap mass spectrometer JYFLTRAP. A value of 364.73(19) keV was obtained from a measurement of the cyclotron frequency ratio of the decay parent ^{159}Dy and the decay daughter ^{159}Tb ions using the novel phase-imaging ion-cyclotron resonance technique. The Q values for allowed Gamow-Teller transition to 5/2^{-} and the third-forbidden unique transition to 11/2^{+} state with excitation energies of 363.5449(14) keV and 362.050(40) keV in ^{159}Tb were determined to be 1.18(19) keV and 2.68(19) keV, respectively. The high-precision Q value of transition 3/2^{-}→5/2^{-} from this work, revealing itself as the lowest electron-capture Q value, is used to unambiguously characterize all the possible lines that are present in its electron-capture spectrum. We performed atomic many-body calculations for both transitions to determine electron-capture probabilities from various atomic orbitals and found an order of magnitude enhancement in the event rates near the end point of energy spectrum in the transition to the 5/2^{-} nuclear excited state, which can become very interesting once the experimental challenges of identifying decays into excited states are overcome. The transition to the 11/2^{+} state is strongly suppressed and found unsuitable for measuring the neutrino mass. These results show that the electron-capture in the ^{159}Dy atom, going to the 5/2^{-} state of the ^{159}Tb nucleus, is a new candidate that may open the way to determine the electron-neutrino mass in the sub-eV region by studying electron-capture. Further experimental feasibility studies, including coincidence measurements with realistic detectors, will be of great interest.
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Affiliation(s)
- Z Ge
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - T Eronen
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - K S Tyrin
- National Research Centre "Kurchatov Institute," Ploschad' Akademika Kurchatova 1, 123182 Moscow, Russia
| | - J Kotila
- Finnish Institute for Educational Research, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
- Center for Theoretical Physics, Sloane Physics Laboratory Yale University, New Haven, Connecticut 06520-8120, USA
| | - J Kostensalo
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - D A Nesterenko
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - O Beliuskina
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - R de Groote
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - A de Roubin
- Centre d'Etudes Nucléaires de Bordeaux Gradignan, UMR 5797 CNRS/IN2P3-Université de Bordeaux, 19 Chemin du Solarium, CS 10120, F-33175 Gradignan Cedex, France
| | - S Geldhof
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - W Gins
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - M Hukkanen
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
- Centre d'Etudes Nucléaires de Bordeaux Gradignan, UMR 5797 CNRS/IN2P3-Université de Bordeaux, 19 Chemin du Solarium, CS 10120, F-33175 Gradignan Cedex, France
| | - A Jokinen
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - A Kankainen
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - Á Koszorús
- Department of Physics, University of Liverpool, Liverpool L69 7ZE, United Kingdom
| | - M I Krivoruchenko
- National Research Centre "Kurchatov Institute," Ploschad' Akademika Kurchatova 1, 123182 Moscow, Russia
- Institute for Theoretical and Experimental Physics, NRC "Kurchatov Institute," B. Cheremushkinskaya 25, 117218 Moscow, Russia
| | - S Kujanpää
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - I D Moore
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - A Raggio
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - S Rinta-Antila
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - J Suhonen
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - V Virtanen
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - A P Weaver
- School of Computing, Engineering and Mathematics, University of Brighton, Brighton BN2 4JG, United Kingdom
| | - A Zadvornaya
- Department of Physics, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
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Abstract
Inorganic crystal scintillators play a crucial role in particle detection for various applications in fundamental physics and applied science. The use of such materials as scintillating bolometers, which operate at temperatures as low as 10 mK and detect both heat (phonon) and scintillation signals, significantly extends detectors performance compared to the conventional scintillation counters. In particular, such low-temperature devices offer a high energy resolution in a wide energy interval thanks to a phonon signal detection, while a simultaneous registration of scintillation emitted provides an efficient particle identification tool. This feature is of great importance for a background identification and rejection. Combined with a large variety of elements of interest, which can be embedded in crystal scintillators, scintillating bolometers represent powerful particle detectors for rare-event searches (e.g., rare alpha and beta decays, double-beta decay, dark matter particles, neutrino detection). Here, we review the features and results of low-temperature scintillation detection achieved over a 30-year history of developments of scintillating bolometers and their use in rare-event search experiments.
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Cirigliano V, Dekens W, de Vries J, Hoferichter M, Mereghetti E. Toward Complete Leading-Order Predictions for Neutrinoless Double β Decay. PHYSICAL REVIEW LETTERS 2021; 126:172002. [PMID: 33988430 DOI: 10.1103/physrevlett.126.172002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 06/12/2023]
Abstract
The amplitude for the neutrinoless double β (0νββ) decay of the two-neutron system nn→ppe^{-}e^{-} constitutes a key building block for nuclear-structure calculations of heavy nuclei employed in large-scale 0νββ searches. Assuming that the 0νββ process is mediated by a light-Majorana-neutrino exchange, a systematic analysis in chiral effective field theory shows that already at leading order a contact operator is required to ensure renormalizability. In this Letter, we develop a method to estimate the numerical value of its coefficient (in analogy to the Cottingham formula for electromagnetic contributions to hadron masses) and validate the result by reproducing the charge-independence-breaking contribution to the nucleon-nucleon scattering lengths. Our central result, while derived in dimensional regularization, is given in terms of the renormalized amplitude A_{ν}(|p|,|p^{'}|), matching to which will allow one to determine the contact-term contribution in regularization schemes employed in nuclear-structure calculations. Our results thus greatly reduce a crucial uncertainty in the interpretation of searches for 0νββ decay.
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Affiliation(s)
- Vincenzo Cirigliano
- Los Alamos National Laboratory, Theoretical Division, Los Alamos, New Mexico 87545, USA
| | - Wouter Dekens
- Department of Physics, University of California at San Diego, La Jolla, California 92093, USA
| | - Jordy de Vries
- Department of Physics, Amherst Center for Fundamental Interactions, University of Massachusetts, Amherst, Massachusetts 01003, USA
- RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
- Institute for Theoretical Physics Amsterdam and Delta Institute for Theoretical Physics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
- Nikhef, Theory Group, Science Park 105, 1098 XG, Amsterdam, The Netherlands
| | - Martin Hoferichter
- Albert Einstein Center for Fundamental Physics, Institute for Theoretical Physics, University of Bern, Sidlerstrasse 5, 3012 Bern, Switzerland
| | - Emanuele Mereghetti
- Los Alamos National Laboratory, Theoretical Division, Los Alamos, New Mexico 87545, USA
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7
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Adams DQ, Alduino C, Alfonso K, Avignone FT, Azzolini O, Bari G, Bellini F, Benato G, Biassoni M, Branca A, Brofferio C, Bucci C, Camilleri J, Caminata A, Campani A, Canonica L, Cao XG, Capelli S, Cappelli L, Cardani L, Carniti P, Casali N, Chiesa D, Clemenza M, Copello S, Cosmelli C, Cremonesi O, Creswick RJ, D'Addabbo A, Dafinei I, Davis CJ, Dell'Oro S, Di Domizio S, Dompè V, Fang DQ, Fantini G, Faverzani M, Ferri E, Ferroni F, Fiorini E, Franceschi MA, Freedman SJ, Fu SH, Fujikawa BK, Giachero A, Gironi L, Giuliani A, Gorla P, Gotti C, Gutierrez TD, Han K, Heeger KM, Huang RG, Huang HZ, Johnston J, Keppel G, Kolomensky YG, Ligi C, Ma L, Ma YG, Marini L, Maruyama RH, Mayer D, Mei Y, Moggi N, Morganti S, Napolitano T, Nastasi M, Nikkel J, Nones C, Norman EB, Nucciotti A, Nutini I, O'Donnell T, Ouellet JL, Pagan S, Pagliarone CE, Pagnanini L, Pallavicini M, Pattavina L, Pavan M, Pessina G, Pettinacci V, Pira C, Pirro S, Pozzi S, Previtali E, Puiu A, Rosenfeld C, Rusconi C, Sakai M, Sangiorgio S, Schmidt B, Scielzo ND, Sharma V, Singh V, Sisti M, Speller D, Surukuchi PT, Taffarello L, Terranova F, Tomei C, Vetter KJ, Vignati M, Wagaarachchi SL, Wang BS, Welliver B, Wilson J, Wilson K, Winslow LA, Zimmermann S, Zucchelli S. Measurement of the 2νββ Decay Half-Life of ^{130}Te with CUORE. PHYSICAL REVIEW LETTERS 2021; 126:171801. [PMID: 33988435 DOI: 10.1103/physrevlett.126.171801] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/10/2021] [Accepted: 03/11/2021] [Indexed: 06/12/2023]
Abstract
We measured two-neutrino double beta decay of ^{130}Te using an exposure of 300.7 kg yr accumulated with the CUORE detector. Using a Bayesian analysis to fit simulated spectra to experimental data, it was possible to disentangle all the major background sources and precisely measure the two-neutrino contribution. The half-life is in agreement with past measurements with a strongly reduced uncertainty: T_{1/2}^{2ν}=7.71_{-0.06}^{+0.08}(stat)_{-0.15}^{+0.12}(syst)×10^{20} yr. This measurement is the most precise determination of the ^{130}Te 2νββ decay half-life to date.
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Affiliation(s)
- D Q Adams
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - C Alduino
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - K Alfonso
- Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA
| | - F T Avignone
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - O Azzolini
- INFN-Laboratori Nazionali di Legnaro, Legnaro (Padova) I-35020, Italy
| | - G Bari
- INFN-Sezione di Bologna, Bologna I-40127, Italy
| | - F Bellini
- Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - G Benato
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
| | - M Biassoni
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
| | - A Branca
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - C Brofferio
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - C Bucci
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
| | - J Camilleri
- Center for Neutrino Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - A Caminata
- INFN-Sezione di Genova, Genova I-16146, Italy
| | - A Campani
- INFN-Sezione di Genova, Genova I-16146, Italy
- Dipartimento di Fisica, Università di Genova, Genova I-16146, Italy
| | - L Canonica
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - X G Cao
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
| | - S Capelli
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - L Cappelli
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
- Department of Physics, University of California, Berkeley, California 94720, USA
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - L Cardani
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - P Carniti
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - N Casali
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - D Chiesa
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - M Clemenza
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - S Copello
- INFN-Sezione di Genova, Genova I-16146, Italy
- Dipartimento di Fisica, Università di Genova, Genova I-16146, Italy
| | - C Cosmelli
- Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - O Cremonesi
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
| | - R J Creswick
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - A D'Addabbo
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
- Gran Sasso Science Institute, L'Aquila I-67100, Italy
| | - I Dafinei
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - C J Davis
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA
| | - S Dell'Oro
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - S Di Domizio
- INFN-Sezione di Genova, Genova I-16146, Italy
- Dipartimento di Fisica, Università di Genova, Genova I-16146, Italy
| | - V Dompè
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
- Gran Sasso Science Institute, L'Aquila I-67100, Italy
| | - D Q Fang
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
| | - G Fantini
- Dipartimento di Fisica, Sapienza Università di Roma, Roma I-00185, Italy
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - M Faverzani
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - E Ferri
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - F Ferroni
- INFN-Sezione di Roma, Roma I-00185, Italy
- Gran Sasso Science Institute, L'Aquila I-67100, Italy
| | - E Fiorini
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - M A Franceschi
- INFN-Laboratori Nazionali di Frascati, Frascati (Roma) I-00044, Italy
| | - S J Freedman
- Department of Physics, University of California, Berkeley, California 94720, USA
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - S H Fu
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
| | - B K Fujikawa
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - A Giachero
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - L Gironi
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - A Giuliani
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France
| | - P Gorla
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
| | - C Gotti
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
| | - T D Gutierrez
- Physics Department, California Polytechnic State University, San Luis Obispo, California 93407, USA
| | - K Han
- INPAC and School of Physics and Astronomy, Shanghai Jiao Tong University; Shanghai Laboratory for Particle Physics and Cosmology, Shanghai 200240, China
| | - K M Heeger
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA
| | - R G Huang
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - H Z Huang
- Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA
| | - J Johnston
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - G Keppel
- INFN-Laboratori Nazionali di Legnaro, Legnaro (Padova) I-35020, Italy
| | - Yu G Kolomensky
- Department of Physics, University of California, Berkeley, California 94720, USA
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - C Ligi
- INFN-Laboratori Nazionali di Frascati, Frascati (Roma) I-00044, Italy
| | - L Ma
- Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA
| | - Y G Ma
- Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
| | - L Marini
- Department of Physics, University of California, Berkeley, California 94720, USA
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - R H Maruyama
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA
| | - D Mayer
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - Y Mei
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - N Moggi
- INFN-Sezione di Bologna, Bologna I-40127, Italy
- Dipartimento di Fisica e Astronomia, Alma Mater Studiorum-Università di Bologna, Bologna I-40127, Italy
| | - S Morganti
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - T Napolitano
- INFN-Laboratori Nazionali di Frascati, Frascati (Roma) I-00044, Italy
| | - M Nastasi
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - J Nikkel
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA
| | - C Nones
- IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
| | - E B Norman
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
- Department of Nuclear Engineering, University of California, Berkeley, California 94720, USA
| | - A Nucciotti
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - I Nutini
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - T O'Donnell
- Center for Neutrino Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - J L Ouellet
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - S Pagan
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA
| | - C E Pagliarone
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
- Dipartimento di Ingegneria Civile e Meccanica, Università degli Studi di Cassino e del Lazio Meridionale, Cassino I-03043, Italy
| | - L Pagnanini
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
- Gran Sasso Science Institute, L'Aquila I-67100, Italy
| | - M Pallavicini
- INFN-Sezione di Genova, Genova I-16146, Italy
- Dipartimento di Fisica, Università di Genova, Genova I-16146, Italy
| | - L Pattavina
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
| | - M Pavan
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - G Pessina
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
| | | | - C Pira
- INFN-Laboratori Nazionali di Legnaro, Legnaro (Padova) I-35020, Italy
| | - S Pirro
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
| | - S Pozzi
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - E Previtali
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - A Puiu
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
- Gran Sasso Science Institute, L'Aquila I-67100, Italy
| | - C Rosenfeld
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - C Rusconi
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
- INFN-Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila) I-67100, Italy
| | - M Sakai
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - S Sangiorgio
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - B Schmidt
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - N D Scielzo
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - V Sharma
- Center for Neutrino Physics, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
| | - V Singh
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - M Sisti
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
| | - D Speller
- Department of Physics and Astronomy, The Johns Hopkins University, 3400 North Charles Street Baltimore, Maryland 21211, USA
| | - P T Surukuchi
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06520, USA
| | | | - F Terranova
- INFN-Sezione di Milano Bicocca, Milano I-20126, Italy
- Dipartimento di Fisica, Università di Milano-Bicocca, Milano I-20126, Italy
| | - C Tomei
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - K J Vetter
- Department of Physics, University of California, Berkeley, California 94720, USA
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - M Vignati
- INFN-Sezione di Roma, Roma I-00185, Italy
| | - S L Wagaarachchi
- Department of Physics, University of California, Berkeley, California 94720, USA
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - B S Wang
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
- Department of Nuclear Engineering, University of California, Berkeley, California 94720, USA
| | - B Welliver
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - J Wilson
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - K Wilson
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - L A Winslow
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
| | - S Zimmermann
- Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - S Zucchelli
- INFN-Sezione di Bologna, Bologna I-40127, Italy
- Dipartimento di Fisica e Astronomia, Alma Mater Studiorum-Università di Bologna, Bologna I-40127, Italy
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8
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Abstract
The search for neutrinoless double-beta (0νββ) decay is currently a key topic in physics, due to its possible wide implications for nuclear physics, particle physics, and cosmology. The NUMEN project aims to provide experimental information on the nuclear matrix elements (NMEs) that are involved in the expression of 0νββ decay half-life by measuring the cross section of nuclear double-charge exchange (DCE) reactions. NUMEN has already demonstrated the feasibility of measuring these tiny cross sections for some nuclei of interest for the 0νββ using the superconducting cyclotron (CS) and the MAGNEX spectrometer at the Laboratori Nazionali del Sud (LNS.) Catania, Italy. However, since the DCE cross sections are very small and need to be measured with high sensitivity, the systematic exploration of all nuclei of interest requires major upgrade of the facility. R&D for technological tools has been completed. The realization of new radiation-tolerant detectors capable of sustaining high rates while preserving the requested resolution and sensitivity is underway, as well as the upgrade of the CS to deliver beams of higher intensity. Strategies to carry out DCE cross-section measurements with high-intensity beams were developed in order to achieve the challenging sensitivity requested to provide experimental constraints to 0νββ NMEs.
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9
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Paar N, Kružić G, Oishi T. Nuclear magnetic transitions in the relativistic energy density functional approach. EPJ WEB OF CONFERENCES 2021. [DOI: 10.1051/epjconf/202125202002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Recently a novel theory framework has been established for description of magnetic dipole (M1) transitions in finite nuclei, based on relativistic nuclear energy density functional with point coupling interactions. The properties of M1 transitions have been studied, including the sum rules, spin, orbital, isoscalar and isovector M1 transition strengths in magic and open shell nuclei. It is shown that pairing correlations and spinorbit interaction plays an important role in the description of M1 transition strength distributions. The analysis of the evolution of M1 transition properties in the isotope chain 100-140 Sn shows the interplay between single and double-peak structures, determined by the evolution of single-particle states, their occupations governed by the pairing correlations, and two-quasiparticle transitions involved. Comparison of the calculated B(M1) transition strength with recent data from inelastic proton scattering on 112-124 Sn, shows that quenching of the g factors geff/gfree =0.80-0.93 is required to reproduce the experimental data. Further experimental investigations are needed to determine accurately the quenching factor.
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10
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Cappuzzello F, Acosta L, Agodi C, Altana C, Amador-Valenzuela P, Boztosun I, Giuseppe AB, Calabrese S, Calvo D, Capirossi V, Carbone D, Cavallaro M, Efrain RCL, Ciraldo I, Cutuli M, Delaunay F, Djapo H, Eke C, Finocchiaro P, Firat S, Fisichella M, Marcilei AGDS, Hacisalihoglu A, Iazzi F, Lanzalone G, La Fauci L, Linares R, Nilberto HM, Moralles M, José RBO, Pakou A, Pandola L, Petrascu H, Pinna F, Russo G, Roberto BBS, Sgouros O, Selçuk OS, Souliotis G, Soukeras V, Spatafora A, Torresi D, Tudisco S, Yildirin A, Vinicius ABZ. Recent experimental activity on heavy-ion induced reactions within the NUMEN project. EPJ WEB OF CONFERENCES 2021. [DOI: 10.1051/epjconf/202125204001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The possibility to use a special class of heavy-ion induced direct reactions, such as double charge exchange reactions, is discussed in view of their application to extract information that may be helpful to determinate the nuclear matrix elements entering in the expression of neutrinoless double beta decay half-life. The strategies adopted in the experimental campaigns performed at INFN - Laboratori Nazionali del Sud are briefly described, emphasizing the advantages of the multi-channel approach to nuclear reaction data analysis.
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11
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Neutrino-Mass Sensitivity and Nuclear Matrix Element for Neutrinoless Double Beta Decay. UNIVERSE 2020. [DOI: 10.3390/universe6120225] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Neutrinoless double beta decay (DBD) is a useful probe to study neutrino properties such as the Majorana nature, the absolute neutrino mass, the CP phase and the others, which are beyond the standard model. The nuclear matrix element (NME) for DBD is crucial to extract the neutrino properties from the experimental transition rate. The neutrino-mass sensitivity, i.e., the minimum neutrino-mass to be measured by the DBD experiment, is very sensitive to the DBD NME. Actually, the NME is one of the key elements for designing the DBD experiment. Theoretical evaluation for the DBD NME, however, is very hard. Recently experimental studies of charge-exchange nuclear and leptonic reactions have shown to be used to get single-β NMEs associated with the DBD NME. Critical discussions are made on the neutrino-mass sensitivity and the NME for the DBD neutrino-mass study and on the experimental studies of the single-β NMEs and nuclear structures associated with DBD NMEs.
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12
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Abstract
Double beta decay is a very rare nuclear process and, therefore, experiments intended to detect it must be operated deep underground and in ultra-low background conditions. Long-lived radioisotopes produced by the previous exposure of materials to cosmic rays on the Earth’s surface or even underground can become problematic for the required sensitivity. Here, the studies developed to quantify and reduce the activation yields in detectors and materials used in the set-up of these experiments will be reviewed, considering target materials like germanium, tellurium and xenon together with other ones commonly used like copper, lead, stainless steel or argon. Calculations following very different approaches and measurements from irradiation experiments using beams or directly cosmic rays will be considered for relevant radioisotopes. The effect of cosmogenic activation in present and future double beta decay projects based on different types of detectors will be analyzed too.
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13
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The NUMEN Heavy Ion Multidetector for a Complementary Approach to the Neutrinoless Double Beta Decay. UNIVERSE 2020. [DOI: 10.3390/universe6090129] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Neutrinos are so far the most elusive known particles, and in the last decades many sophisticated experiments have been set up in order to clarify several questions about their intrinsic nature, in particular their masses, mass hierarchy, intrinsic nature of Majorana or Dirac particles. Evidence of the Neutrinoless Double-Beta Decay (NDBD) would prove that neutrinos are Majorana particles, thus improving the understanding of the universe itself. Besides the search for several large underground experiments for the direct experimental detection of NDBD, the NUMEN experiment proposes the investigation of a nuclear mechanism strongly linked to this decay: the Double Charge Exchange reactions (DCE). As such reactions share with the NDBD the same initial and final nuclear states, they could shed light on the determination of the Nuclear Matrix Elements (NMEs), which play a relevant role in the decay. The physics of DCE is described elsewhere in this issue, while the focus of this paper will be on the challenging experimental apparatus currently under construction in order to fulfil the requirements of the NUMEN experiment. The overall structure of the technological improvement to the cyclotron, along with the newly developed detection systems required for tracking and identifying the reaction products and their final excitation level are described.
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14
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Itaco N, Coraggio L, Mancino R. Neutrinoless Double-Beta Decay and Realistic Shell Model. EPJ WEB OF CONFERENCES 2019. [DOI: 10.1051/epjconf/201922301025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We report on the calculation of the neutrinoless double-ß decay nuclear matrix element for 76Ge within the framework of the realistic shell model. The effective shell-model Hamiltonian and the two-body transition operator describing the decay are derived by way of many-body perturbation theory. Particular attention is focused on the role played by the so-called Pauli blocking effect in the derivation of the effective operator.
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15
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Thapa P, Arnquist I, Byrnes N, Denisenko AA, Foss FW, Jones BJP, McDonald AD, Nygren DR, Woodruff K. Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay. Sci Rep 2019; 9:15097. [PMID: 31641206 PMCID: PMC6805857 DOI: 10.1038/s41598-019-49283-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 08/22/2019] [Indexed: 11/08/2022] Open
Abstract
The nature of the neutrino is one of the major open questions in experimental nuclear and particle physics. The most sensitive known method to establish the Majorana nature of the neutrino is detection of the ultra-rare process of neutrinoless double beta decay. However, identification of one or a handful of decay events within a large mass of candidate isotope, without obfuscation by backgrounds is a formidable experimental challenge. One hypothetical method for achieving ultra- low-background neutrinoless double beta decay sensitivity is the detection of single 136Ba ions produced in the decay of 136Xe ("barium tagging"). To implement such a method, a single-ion-sensitive barium detector must be developed and demonstrated in bulk liquid or dry gaseous xenon. This paper reports on the development of two families of dry-phase barium chemosensor molecules for use in high pressure xenon gas detectors, synthesized specifically for this purpose. One particularly promising candidate, an anthracene substituted aza-18-crown-6 ether, is shown to respond in the dry phase with almost no intrinsic background from the unchelated state, and to be amenable to barium sensing through fluorescence microscopy. This interdisciplinary advance, paired with earlier work demonstrating sensitivity to single barium ions in solution, opens a new path toward single ion detection in high pressure xenon gas.
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Affiliation(s)
- P Thapa
- Department of Physics, University of Texas at Arlington, Arlington, TX, 76019, USA.
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, TX, 76019, USA.
| | - I Arnquist
- Pacific Northwest National Laboratory (PNNL), Richland, WA, 99352, USA
| | - N Byrnes
- Department of Physics, University of Texas at Arlington, Arlington, TX, 76019, USA
| | - A A Denisenko
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, TX, 76019, USA
| | - F W Foss
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, TX, 76019, USA
| | - B J P Jones
- Department of Physics, University of Texas at Arlington, Arlington, TX, 76019, USA
| | - A D McDonald
- Department of Physics, University of Texas at Arlington, Arlington, TX, 76019, USA
| | - D R Nygren
- Department of Physics, University of Texas at Arlington, Arlington, TX, 76019, USA
| | - K Woodruff
- Department of Physics, University of Texas at Arlington, Arlington, TX, 76019, USA
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16
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Anton G, Badhrees I, Barbeau PS, Beck D, Belov V, Bhatta T, Breidenbach M, Brunner T, Cao GF, Cen WR, Chambers C, Cleveland B, Coon M, Craycraft A, Daniels T, Danilov M, Darroch L, Daugherty SJ, Davis J, Delaquis S, Der Mesrobian-Kabakian A, DeVoe R, Dilling J, Dolgolenko A, Dolinski MJ, Echevers J, Fairbank W, Fairbank D, Farine J, Feyzbakhsh S, Fierlinger P, Fudenberg D, Gautam P, Gornea R, Gratta G, Hall C, Hansen EV, Hoessl J, Hufschmidt P, Hughes M, Iverson A, Jamil A, Jessiman C, Jewell MJ, Johnson A, Karelin A, Kaufman LJ, Koffas T, Krücken R, Kuchenkov A, Kumar KS, Lan Y, Larson A, Lenardo BG, Leonard DS, Li GS, Li S, Li Z, Licciardi C, Lin YH, MacLellan R, McElroy T, Michel T, Mong B, Moore DC, Murray K, Njoya O, Nusair O, Odian A, Ostrovskiy I, Piepke A, Pocar A, Retière F, Robinson AL, Rowson PC, Ruddell D, Runge J, Schmidt S, Sinclair D, Soma AK, Stekhanov V, Tarka M, Todd J, Tolba T, Totev TI, Veenstra B, Veeraraghavan V, Vogel P, Vuilleumier JL, Wagenpfeil M, Watkins J, Weber M, Wen LJ, Wichoski U, Wrede G, Wu SX, Xia Q, Yahne DR, Yang L, Yen YR, Zeldovich OY, Ziegler T. Search for Neutrinoless Double-β Decay with the Complete EXO-200 Dataset. PHYSICAL REVIEW LETTERS 2019; 123:161802. [PMID: 31702371 DOI: 10.1103/physrevlett.123.161802] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 07/30/2019] [Indexed: 06/10/2023]
Abstract
A search for neutrinoless double-β decay (0νββ) in ^{136}Xe is performed with the full EXO-200 dataset using a deep neural network to discriminate between 0νββ and background events. Relative to previous analyses, the signal detection efficiency has been raised from 80.8% to 96.4±3.0%, and the energy resolution of the detector at the Q value of ^{136}Xe 0νββ has been improved from σ/E=1.23% to 1.15±0.02% with the upgraded detector. Accounting for the new data, the median 90% confidence level 0νββ half-life sensitivity for this analysis is 5.0×10^{25} yr with a total ^{136}Xe exposure of 234.1 kg yr. No statistically significant evidence for 0νββ is observed, leading to a lower limit on the 0νββ half-life of 3.5×10^{25} yr at the 90% confidence level.
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Affiliation(s)
- G Anton
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen 91058, Germany
| | - I Badhrees
- Physics Department, Carleton University, Ottawa, Ontario K1S 5B6, Canada
| | - P S Barbeau
- Department of Physics, Duke University, and Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
| | - D Beck
- Physics Department, University of Illinois, Urbana-Champaign, Illinois 61801, USA
| | - V Belov
- Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Center "Kurchatov Institute," 117218 Moscow, Russia
| | - T Bhatta
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - M Breidenbach
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - T Brunner
- Physics Department, McGill University, Montreal H3A 2T8, Quebec, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - G F Cao
- Institute of High Energy Physics, Beijing 100049, China
| | - W R Cen
- Institute of High Energy Physics, Beijing 100049, China
| | - C Chambers
- Physics Department, Colorado State University, Fort Collins, Colorado 80523, USA
| | - B Cleveland
- Department of Physics, Laurentian University, Sudbury, Ontario P3E 2C6, Canada
| | - M Coon
- Physics Department, University of Illinois, Urbana-Champaign, Illinois 61801, USA
| | - A Craycraft
- Physics Department, Colorado State University, Fort Collins, Colorado 80523, USA
| | - T Daniels
- Department of Physics and Physical Oceanography, University of North Carolina at Wilmington, Wilmington, North Carolina 28403, USA
| | - M Danilov
- Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Center "Kurchatov Institute," 117218 Moscow, Russia
| | - L Darroch
- Physics Department, McGill University, Montreal H3A 2T8, Quebec, Canada
| | - S J Daugherty
- Physics Department and CEEM, Indiana University, Bloomington, Indiana 47405, USA
| | - J Davis
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - S Delaquis
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | | | - R DeVoe
- Physics Department, Stanford University, Stanford, California 94305, USA
| | - J Dilling
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - A Dolgolenko
- Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Center "Kurchatov Institute," 117218 Moscow, Russia
| | - M J Dolinski
- Department of Physics, Drexel University, Philadelphia, Pennsylvania 19104, USA
| | - J Echevers
- Physics Department, University of Illinois, Urbana-Champaign, Illinois 61801, USA
| | - W Fairbank
- Physics Department, Colorado State University, Fort Collins, Colorado 80523, USA
| | - D Fairbank
- Physics Department, Colorado State University, Fort Collins, Colorado 80523, USA
| | - J Farine
- Department of Physics, Laurentian University, Sudbury, Ontario P3E 2C6, Canada
| | - S Feyzbakhsh
- Amherst Center for Fundamental Interactions and Physics Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - P Fierlinger
- Physik Department and Excellence Cluster Universe, Technische Universität München, Garching 80805, Germany
| | - D Fudenberg
- Physics Department, Stanford University, Stanford, California 94305, USA
| | - P Gautam
- Department of Physics, Drexel University, Philadelphia, Pennsylvania 19104, USA
| | - R Gornea
- Physics Department, Carleton University, Ottawa, Ontario K1S 5B6, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - G Gratta
- Physics Department, Stanford University, Stanford, California 94305, USA
| | - C Hall
- Physics Department, University of Maryland, College Park, Maryland 20742, USA
| | - E V Hansen
- Department of Physics, Drexel University, Philadelphia, Pennsylvania 19104, USA
| | - J Hoessl
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen 91058, Germany
| | - P Hufschmidt
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen 91058, Germany
| | - M Hughes
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - A Iverson
- Physics Department, Colorado State University, Fort Collins, Colorado 80523, USA
| | - A Jamil
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06511, USA
| | - C Jessiman
- Physics Department, Carleton University, Ottawa, Ontario K1S 5B6, Canada
| | - M J Jewell
- Physics Department, Stanford University, Stanford, California 94305, USA
| | - A Johnson
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - A Karelin
- Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Center "Kurchatov Institute," 117218 Moscow, Russia
| | - L J Kaufman
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - T Koffas
- Physics Department, Carleton University, Ottawa, Ontario K1S 5B6, Canada
| | - R Krücken
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - A Kuchenkov
- Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Center "Kurchatov Institute," 117218 Moscow, Russia
| | - K S Kumar
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794, USA
| | - Y Lan
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - A Larson
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - B G Lenardo
- Physics Department, Stanford University, Stanford, California 94305, USA
| | - D S Leonard
- IBS Center for Underground Physics, Daejeon 34126, Korea
| | - G S Li
- Physics Department, Stanford University, Stanford, California 94305, USA
| | - S Li
- Physics Department, University of Illinois, Urbana-Champaign, Illinois 61801, USA
| | - Z Li
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06511, USA
| | - C Licciardi
- Department of Physics, Laurentian University, Sudbury, Ontario P3E 2C6, Canada
| | - Y H Lin
- Department of Physics, Drexel University, Philadelphia, Pennsylvania 19104, USA
| | - R MacLellan
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - T McElroy
- Physics Department, McGill University, Montreal H3A 2T8, Quebec, Canada
| | - T Michel
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen 91058, Germany
| | - B Mong
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - D C Moore
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06511, USA
| | - K Murray
- Physics Department, McGill University, Montreal H3A 2T8, Quebec, Canada
| | - O Njoya
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794, USA
| | - O Nusair
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - A Odian
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - I Ostrovskiy
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - A Piepke
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - A Pocar
- Amherst Center for Fundamental Interactions and Physics Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - F Retière
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - A L Robinson
- Department of Physics, Laurentian University, Sudbury, Ontario P3E 2C6, Canada
| | - P C Rowson
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
| | - D Ruddell
- Department of Physics and Physical Oceanography, University of North Carolina at Wilmington, Wilmington, North Carolina 28403, USA
| | - J Runge
- Department of Physics, Duke University, and Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
| | - S Schmidt
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen 91058, Germany
| | - D Sinclair
- Physics Department, Carleton University, Ottawa, Ontario K1S 5B6, Canada
- TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - A K Soma
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - V Stekhanov
- Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Center "Kurchatov Institute," 117218 Moscow, Russia
| | - M Tarka
- Amherst Center for Fundamental Interactions and Physics Department, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - J Todd
- Physics Department, Colorado State University, Fort Collins, Colorado 80523, USA
| | - T Tolba
- Institute of High Energy Physics, Beijing 100049, China
| | - T I Totev
- Physics Department, McGill University, Montreal H3A 2T8, Quebec, Canada
| | - B Veenstra
- Physics Department, Carleton University, Ottawa, Ontario K1S 5B6, Canada
| | - V Veeraraghavan
- Department of Physics and Astronomy, University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - P Vogel
- Kellogg Lab, Caltech, Pasadena, California 91125, USA
| | - J-L Vuilleumier
- LHEP, Albert Einstein Center, University of Bern, Bern CH-3012, Switzerland
| | - M Wagenpfeil
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen 91058, Germany
| | - J Watkins
- Physics Department, Carleton University, Ottawa, Ontario K1S 5B6, Canada
| | - M Weber
- Physics Department, Stanford University, Stanford, California 94305, USA
| | - L J Wen
- Institute of High Energy Physics, Beijing 100049, China
| | - U Wichoski
- Department of Physics, Laurentian University, Sudbury, Ontario P3E 2C6, Canada
| | - G Wrede
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen 91058, Germany
| | - S X Wu
- Physics Department, Stanford University, Stanford, California 94305, USA
| | - Q Xia
- Wright Laboratory, Department of Physics, Yale University, New Haven, Connecticut 06511, USA
| | - D R Yahne
- Physics Department, Colorado State University, Fort Collins, Colorado 80523, USA
| | - L Yang
- Physics Department, University of Illinois, Urbana-Champaign, Illinois 61801, USA
| | - Y-R Yen
- Department of Physics, Drexel University, Philadelphia, Pennsylvania 19104, USA
| | - O Ya Zeldovich
- Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Center "Kurchatov Institute," 117218 Moscow, Russia
| | - T Ziegler
- Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen 91058, Germany
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17
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Cavallaro M, Acosta L, Agodi C, Altana C, Amador-Valenzuela P, Auerbach N, Barea J, Bellone JI, Bijker R, Bonanno D, Borello-Lewin T, Boztosun I, Branchina V, Brasolin S, Brischetto GA, Brunasso O, Burrello S, Calabrese S, Calabretta L, Calvo D, Capirossi V, Cappuzzello F, Carbone D, Charon Garcia LE, Chávez Lomeli ER, Chen R, Ciraldo I, Colonna M, D'Agostino G, Delaunay F, Deshmukh N, Djapo H, De Geronimo G, De Los Rìos K, Ferraresi C, Ferreira JL, Ferretti J, Finocchiaro P, Firat S, Fisichella M, Foti A, Gallo G, Garcia-Tecocoatzi H, Hacisalihoglu A, Huerta-Hernandez A, Kotila J, Kucuk Y, Iazzi F, Lanzalone G, Antonio Lay J, La Fauci L, La Via F, Lenske H, Linares R, Lo Prest D, Lubian J, Ma J, Marin-Lámbarri D, Mas Ruiz J, Medina NH, Mendes DR, Mereu P, Moralles M, Neri L, Oliveira JRB, Pakou A, Pandola L, Petrascu H, Pietralla N, Pinna F, Reito S, Ries PC, Rodrigues MRD, Russo AD, Russo G, Santopinto E, Santos RBB, Serbina L, Sgouros O, da Silveira MAG, Solakci SO, Souliotis G, Soukeras V, Spatafora A, Torresi D, Ameil F, Tudisco S, Vargas Hernandez H, Vsevolodovna RIM, Wang JS, Werner V, Yang YY, Yildirin A, Zagatto VAB. Recent results on heavy-ion induced reactions of interest for neutrinoless double beta decay at INFN-LNS. EPJ WEB OF CONFERENCES 2019. [DOI: 10.1051/epjconf/201922301009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The possibility to use a special class of heavy-ion induced direct reactions, such as double charge exchange reactions, is discussed in view of their application to extract information that may be helpful to determinate the nuclear matrix elements entering in the expression of neutrinoless double beta decay half-life. The methodology of the experimental campaign presently running at INFN - Laboratori Nazionali del Sud is reported andthe experimental challenges characterizing such activity are described.
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18
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Lenske H. Heavy Ion Charge Exchange Reactions as Probes for Beta–Decay. EPJ WEB OF CONFERENCES 2019. [DOI: 10.1051/epjconf/201922301031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Peripheral heavy ion single and double charge reactions are described by fully quantum mechanical distorted wave methods. A special class of nuclear double charge exchange (DCE) reactions proceeding as a one-step reaction through a two-body process are shown to proceed by nuclear matrix elements of a diagrammatic structure as found also in 0ν2ß decay. These hadronic Majorana-type DCE reactions (MDCE) have to be distinguished from second order DCE reactions, given by double single charge exchange (DSCE) processes, resembling 2ν2ß decay. The theoretical concepts of MDCE are discussed. First results show that ion-ion DCE reactions are the ideal testing grounds for investigations of rare second order nuclear processes, giving insight into nuclear in-medium two-body correlation.
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19
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Sarkar S, Kumar P, Jha K, Raina P. Variation of NMEs of 0 νββ for 48Ca with different components of NN interaction. EPJ WEB OF CONFERENCES 2019. [DOI: 10.1051/epjconf/201922301057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We examine the sensitivity of nuclear matrix elements (NMEs) for light-neutrino exchange mechanism of neutrinoless double beta decay (0νββ) for 48Ca to the various components of two-nucleon interaction, GXPF1A, in fp model space. It is found that the contribution in NMEs coming from the central component is close to contribution from total interaction. The spin-orbit and tensor components are found canceling the contribution of each other.
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20
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Šimkovic F, Dvornický R, Štefánik D. Two neutrino double-beta decay and effective axial-vector coupling constant. EPJ WEB OF CONFERENCES 2018. [DOI: 10.1051/epjconf/201819402002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The theoretical and experimental study of the two-neutrino double-beta decay (2νββ-decay) is of crucial importance for reliable calculation of matrix elements governing the neutrinoless double-beta decay (0νββ-decay). That will allow to determine masses of neutrinos once the 0νββ-decay, which occurs if the neutrino is a massive Majorana particle and the total lepton number is not onserved, will be observed. Experiments studying the 2νββ-decay are currently approaching a qualitatively new level, where high-precision measurements are performed not only for half-lives but for all other observables of the process. In this context an improved formula for the 2νββ-decay is presented. Further, a novel approach for determining the effective axial-vector coupling constant is proposed.
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21
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Carbone D, Cappuzzello F, Agodi C, Cavallaro M, Acosta L, Bonanno D, Bongiovanni D, Boztosun I, Calabrese S, Calvo D, Chávez Lomelí E, Delaunay F, Deshmukh N, Finocchiaro P, Fisichella M, Foti A, Gallo G, Hacisalihoglu A, Iazzi F, Introzzi R, Lanzalone G, Linares R, Longhitano F, Lo Presti D, Medina N, Muoio A, Oliveira J, Pakou A, Pandola L, Pinna F, Reito S, Russo G, Santagati G, Sgouros O, Solakcı S, Soukeras V, Souliotis G, Spatafora A, Torresi D, Tudisco S, Yildirim A, Zagatto V. The nuclear matrix elements of 0νββ decay and the NUMEN project at INFN-LNS. EPJ WEB OF CONFERENCES 2018. [DOI: 10.1051/epjconf/201819402001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The goal of NUMEN project is to access experimentally driven information on Nuclear Matrix Elements (NME) involved in the neutrinoless double beta decay (0νββ), by high-accuracy measurements of the cross sections of Heavy Ion (HI) induced Double Charge Exchange (DCE) reactions. The knowledge of the nuclear matrix elements is crucial to infer the neutrino average masses from the possible measurement of the half-life of 00νββ decay and to compare experiments on different isotopes. In particular, the (18O, 18Ne) and (20Ne, 20O) reactions are performed as tools for β+β+ and β-β- decays, respectively. The experiments are performed at INFN - Laboratory Nazionali del Sud (LNS) in Catania using the Superconducting Cyclotron (CS) to accelerate the beams and the MAGNEX magnetic spectrometer to detect the reaction products. The measured cross sections are very low, limiting the present exploration to few selected isotopes of interest in the context of typically low-yield experimental runs. In order to make feasible a systematic study of all the candidate nuclei, a major upgrade of the LNS facility is foreseen to increase the experimental yield of about two orders of magnitude. To this purpose, frontier technologies are going to be developed for both the accelerator and the detection systems. In parallel, advanced theoretical models will be developed to extract the nuclear structure information from the measured cross sections.
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22
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Yu CH, Alvis S, Arnquist I, Avignone F, Barabash A, Barton C, Bertrand F, Bode T, Brudanin V, Busch M, Buuck M, Caldwell T, Chan YD, Christofferson C, Chu PH, Cuesta C, Detwiler J, Dunagan C, Efremenko Y, Ejiri H, Elliott S, Gilliss T, Giovanetti G, Green M, Gruszko J, Guinn I, Guiseppe V, Haufe C, Hehn L, Henning R, Hoppe E, Howe M, Keeter K, Kidd M, Konovalov S, Kouzes R, Lopez A, Martin R, Massarczyk R, Meijer S, Mertens S, Myslik J, Othman G, Pettus W, Poon A, Radford D, Rager J, Reine A, Rielage K, Ruof N, Shanks B, Shirchenko M, Suriano A, Tedeschi D, Varner R, Vasilyev S, Vetter K, Vorren K, White B, Wilkerson J, Wiseman C, Xu W, Yakushev E, Yumatov V, Zhitnikov I, Zhu B. The Majorana Demonstrator Status and Preliminary Results. EPJ WEB OF CONFERENCES 2018. [DOI: 10.1051/epjconf/201817801006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The Majorana Collaboration is using an array of high-purity Ge detectors to search for neutrinoless double-beta decay in 76Ge. Searches for neutrinoless double-beta decay are understood to be the only viable experimental method for testing the Majorana nature of the neutrino. Observation of this decay would imply violation of lepton number, that neutrinos are Majorana in nature, and provide information on the neutrino mass. The Majorana Demonstrator comprises 44.1 kg of p-type point-contact Ge detectors (29.7 kg enriched in 76Ge) surrounded by a low-background shield system. The experiment achieved a high efficiency of converting raw Ge material to detectors and an unprecedented detector energy resolution of 2.5 keV FWHM at Qββ. The Majorana collaboration began taking physics data in 2016. This paper summarizes key construction aspects of the Demonstrator and shows preliminary results from initial data.
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23
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Aalseth CE, Abgrall N, Aguayo E, Alvis SI, Amman M, Arnquist IJ, Avignone FT, Back HO, Barabash AS, Barbeau PS, Barton CJ, Barton PJ, Bertrand FE, Bode T, Bos B, Boswell M, Bradley AW, Brodzinski RL, Brudanin V, Busch M, Buuck M, Caldwell AS, Caldwell TS, Chan YD, Christofferson CD, Chu PH, Collar JI, Combs DC, Cooper RJ, Cuesta C, Detwiler JA, Doe PJ, Dunmore JA, Efremenko Y, Ejiri H, Elliott SR, Fast JE, Finnerty P, Fraenkle FM, Fu Z, Fujikawa BK, Fuller E, Galindo-Uribarri A, Gehman VM, Gilliss T, Giovanetti GK, Goett J, Green MP, Gruszko J, Guinn IS, Guiseppe VE, Hallin AL, Haufe CR, Hehn L, Henning R, Hoppe EW, Hossbach TW, Howe MA, Jasinski BR, Johnson RA, Keeter KJ, Kephart JD, Kidd MF, Knecht A, Konovalov SI, Kouzes RT, LaFerriere BD, Leon J, Lesko KT, Leviner LE, Loach JC, Lopez AM, Luke PN, MacMullin J, MacMullin S, Marino MG, Martin RD, Massarczyk R, McDonald AB, Mei DM, Meijer SJ, Merriman JH, Mertens S, Miley HS, Miller ML, Myslik J, Orrell JL, O'Shaughnessy C, Othman G, Overman NR, Perumpilly G, Pettus W, Phillips DG, Poon AWP, Pushkin K, Radford DC, Rager J, Reeves JH, Reine AL, Rielage K, Robertson RGH, Ronquest MC, Ruof NW, Schubert AG, Shanks B, Shirchenko M, Snavely KJ, Snyder N, Steele D, Suriano AM, Tedeschi D, Tornow W, Trimble JE, Varner RL, Vasilyev S, Vetter K, Vorren K, White BR, Wilkerson JF, Wiseman C, Xu W, Yakushev E, Yaver H, Young AR, Yu CH, Yumatov V, Zhitnikov I, Zhu BX, Zimmermann S. Search for Neutrinoless Double-β Decay in ^{76}Ge with the Majorana Demonstrator. PHYSICAL REVIEW LETTERS 2018; 120:132502. [PMID: 29694188 DOI: 10.1103/physrevlett.120.132502] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 01/09/2018] [Indexed: 06/08/2023]
Abstract
The Majorana Collaboration is operating an array of high purity Ge detectors to search for neutrinoless double-β decay in ^{76}Ge. The Majorana Demonstrator comprises 44.1 kg of Ge detectors (29.7 kg enriched in ^{76}Ge) split between two modules contained in a low background shield at the Sanford Underground Research Facility in Lead, South Dakota. Here we present results from data taken during construction, commissioning, and the start of full operations. We achieve unprecedented energy resolution of 2.5 keV FWHM at Q_{ββ} and a very low background with no observed candidate events in 9.95 kg yr of enriched Ge exposure, resulting in a lower limit on the half-life of 1.9×10^{25} yr (90% C.L.). This result constrains the effective Majorana neutrino mass to below 240-520 meV, depending on the matrix elements used. In our experimental configuration with the lowest background, the background is 4.0_{-2.5}^{+3.1} counts/(FWHM t yr).
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Affiliation(s)
- C E Aalseth
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - N Abgrall
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - E Aguayo
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - S I Alvis
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - M Amman
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - I J Arnquist
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - F T Avignone
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - H O Back
- Department of Physics, North Carolina State University, Raleigh, North Carolina 27695, USA
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
| | - A S Barabash
- National Research Center "Kurchatov Institute" Institute for Theoretical and Experimental Physics, Moscow, 117218 Russia
| | - P S Barbeau
- Department of Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - C J Barton
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - P J Barton
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - F E Bertrand
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - T Bode
- Max-Planck-Institut für Physik, München, 80805 Germany
| | - B Bos
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - M Boswell
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - A W Bradley
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - R L Brodzinski
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - V Brudanin
- Joint Institute for Nuclear Research, Dubna, 141980 Russia
| | - M Busch
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics, Duke University, Durham, North Carolina 27708, USA
| | - M Buuck
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - A S Caldwell
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - T S Caldwell
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - Y-D Chan
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - C D Christofferson
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - P-H Chu
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - J I Collar
- Department of Physics, University of Chicago, Chicago, Illinois 60637, USA
| | - D C Combs
- Department of Physics, North Carolina State University, Raleigh, North Carolina 27695, USA
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
| | - R J Cooper
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - C Cuesta
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - J A Detwiler
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - P J Doe
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - J A Dunmore
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - Yu Efremenko
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37916, USA
| | - H Ejiri
- Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047, Japan
| | - S R Elliott
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - J E Fast
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - P Finnerty
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - F M Fraenkle
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - Z Fu
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - B K Fujikawa
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - E Fuller
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | | | - V M Gehman
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - T Gilliss
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - G K Giovanetti
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
- Department of Physics, Princeton University, Princeton, New Jersey 08544, USA
| | - J Goett
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - M P Green
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
- Department of Physics, North Carolina State University, Raleigh, North Carolina 27695, USA
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - J Gruszko
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - I S Guinn
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - V E Guiseppe
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - A L Hallin
- Centre for Particle Physics, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
| | - C R Haufe
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - L Hehn
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - R Henning
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - E W Hoppe
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - T W Hossbach
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - M A Howe
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - B R Jasinski
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - R A Johnson
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - K J Keeter
- Department of Physics, Black Hills State University, Spearfish, South Dakota 57799, USA
| | - J D Kephart
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - M F Kidd
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
- Tennessee Tech University, Cookeville, Tennessee 38505, USA
| | - A Knecht
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - S I Konovalov
- National Research Center "Kurchatov Institute" Institute for Theoretical and Experimental Physics, Moscow, 117218 Russia
| | - R T Kouzes
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - B D LaFerriere
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - J Leon
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - K T Lesko
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
- Department of Physics, University of California, Berkeley, California 94720, USA
| | - L E Leviner
- Department of Physics, North Carolina State University, Raleigh, North Carolina 27695, USA
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
| | - J C Loach
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
- Shanghai Jiao Tong University, Shanghai 200240, China
| | - A M Lopez
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37916, USA
| | - P N Luke
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - J MacMullin
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - S MacMullin
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - M G Marino
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - R D Martin
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - R Massarczyk
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - A B McDonald
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - D-M Mei
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - S J Meijer
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - J H Merriman
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - S Mertens
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
- Max-Planck-Institut für Physik, München, 80805 Germany
- Physik Department and Excellence Cluster Universe, Technische Universität, München, 85748 Germany
| | - H S Miley
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - M L Miller
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - J Myslik
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - J L Orrell
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - C O'Shaughnessy
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - G Othman
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - N R Overman
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - G Perumpilly
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - W Pettus
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - D G Phillips
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - A W P Poon
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - K Pushkin
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - D C Radford
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - J Rager
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - J H Reeves
- Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - A L Reine
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - K Rielage
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - R G H Robertson
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - M C Ronquest
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - N W Ruof
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - A G Schubert
- Center for Experimental Nuclear Physics and Astrophysics, and Department of Physics, University of Washington, Seattle, Washington 98195, USA
| | - B Shanks
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - M Shirchenko
- Joint Institute for Nuclear Research, Dubna, 141980 Russia
| | - K J Snavely
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - N Snyder
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
| | - D Steele
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - A M Suriano
- South Dakota School of Mines and Technology, Rapid City, South Dakota 57701, USA
| | - D Tedeschi
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - W Tornow
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics, Duke University, Durham, North Carolina 27708, USA
| | - J E Trimble
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - R L Varner
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - S Vasilyev
- Joint Institute for Nuclear Research, Dubna, 141980 Russia
- Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37916, USA
| | - K Vetter
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
- Department of Nuclear Engineering, University of California, Berkeley, California 94720, USA
| | - K Vorren
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - B R White
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - J F Wilkerson
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - C Wiseman
- Department of Physics and Astronomy, University of South Carolina, Columbia, South Carolina 29208, USA
| | - W Xu
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
- Department of Physics, University of South Dakota, Vermillion, South Dakota 57069, USA
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, North Carolina 27514, USA
| | - E Yakushev
- Joint Institute for Nuclear Research, Dubna, 141980 Russia
| | - H Yaver
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - A R Young
- Department of Physics, North Carolina State University, Raleigh, North Carolina 27695, USA
- Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
| | - C-H Yu
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - V Yumatov
- National Research Center "Kurchatov Institute" Institute for Theoretical and Experimental Physics, Moscow, 117218 Russia
| | - I Zhitnikov
- Joint Institute for Nuclear Research, Dubna, 141980 Russia
| | - B X Zhu
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - S Zimmermann
- Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
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24
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Gargano A, Coraggio L, De Angelis L, Fukui T, Itaco N. Realistic shell model description of beta decay. EPJ WEB OF CONFERENCES 2018. [DOI: 10.1051/epjconf/201819402007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
In this paper, we extend our previous realistic shell-model study of Gamow-Teller strengths and double-β decay properties for nuclei around 132Sn to lighter mass nuclei. The effective shell-model Hamiltonian and transition operators are microscopically derived by way of many-body perturbation theory, without resorting to empirical parameters. Our main aim is to further check the reliability of our approach and verify its stability in other mass regions. Calculated energy spectra as well as electric-quadrupole and β-decay properties are presented for 76Ge and 82Se and compared with the experimental data, together with some results for 130Te and 136Xe already reported in our previous paper. Finally, some preliminary results of nuclear matrix elements responsible for the neutrinoless double beta decay, calculated by using the bare operator, are shown.
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Engel J, Menéndez J. Status and future of nuclear matrix elements for neutrinoless double-beta decay: a review. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2017; 80:046301. [PMID: 28140335 DOI: 10.1088/1361-6633/aa5bc5] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The nuclear matrix elements that govern the rate of neutrinoless double beta decay must be accurately calculated if experiments are to reach their full potential. Theorists have been working on the problem for a long time but have recently stepped up their efforts as ton-scale experiments have begun to look feasible. Here we review past and recent work on the matrix elements in a wide variety of nuclear models and discuss work that will be done in the near future. Ab initio nuclear-structure theory, which is developing rapidly, holds out hope of more accurate matrix elements with quantifiable error bars.
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Affiliation(s)
- Jonathan Engel
- Department of Physics and Astronomy, University of North Carolina, Chapel Hill, NC 27516-3255, United States of America
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26
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Stoica S. Constraints of beyond Standard Model parameters from the study of neutrinoless double beta decay. EPJ WEB OF CONFERENCES 2017. [DOI: 10.1051/epjconf/201716407007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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27
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Bambhaniya G, Chakrabortty J, Dagaonkar SK. Rare meson decay through off-shell doubly charged scalars. Int J Clin Exp Med 2015. [DOI: 10.1103/physrevd.91.055020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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28
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Babu K, Mohapatra RN. Determining Majorana nature of neutrino from nucleon decays andn−n¯oscillations. Int J Clin Exp Med 2015. [DOI: 10.1103/physrevd.91.013008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Brown BA, Horoi M, Sen'kov RA. Nuclear structure aspects of neutrinoless double-β decay. PHYSICAL REVIEW LETTERS 2014; 113:262501. [PMID: 25615313 DOI: 10.1103/physrevlett.113.262501] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Indexed: 06/04/2023]
Abstract
We decompose the neutrinoless double-β decay matrix elements into sums of products over the intermediate nucleus with two less nucleons. We find that the sum is dominated by the J(π)=0(+) ground state of this intermediate nucleus for both the light and heavy neutrino decay processes. This provides a new theoretical tool for comparing and improving nuclear structure models. It also provides the connection to two-nucleon transfer experiments.
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Affiliation(s)
- B A Brown
- Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321, USA
| | - M Horoi
- Department of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, USA
| | - R A Sen'kov
- Department of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, USA and Department of Natural Sciences, LaGuardia Community College, The City University of New York, Long Island City, New York 11101, USA
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Kovalenko S, Krivoruchenko MI, Simkovic F. Neutrino propagation in nuclear medium and neutrinoless double-β decay. PHYSICAL REVIEW LETTERS 2014; 112:142503. [PMID: 24765948 DOI: 10.1103/physrevlett.112.142503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Indexed: 06/03/2023]
Abstract
We discuss a novel effect in neutrinoless double-β (0νββ) decay related with the fact that its underlying mechanisms take place in the nuclear matter environment. We study the neutrino exchange mechanism and demonstrate the possible impact of nuclear medium via lepton-number-violating (LNV) four-fermion interactions of neutrinos with quarks from a decaying nucleus. The net effect of these interactions is the generation of an effective in-medium Majorana neutrino mass matrix. The enhanced rate of the 0νββ decay can lead to the apparent incompatibility of observations of the 0νββ decay with the value of the neutrino mass determined or restricted by the β-decay and cosmological data. The effective neutrino masses and mixing are calculated for the complete set of the relevant four-fermion neutrino-quark operators. Using experimental data on the 0νββ decay in combination with the β-decay and cosmological data, we evaluate the characteristic scales of these operators: ΛLNV≥2.4 TeV.
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Affiliation(s)
- S Kovalenko
- Universidad Técnica Federico Santa María, Centro-Cientifico-Tecnológico de Valparaiso, Casilla 110-V, Valparaiso, Chile
| | - M I Krivoruchenko
- Institute for Theoretical and Experimental Physics, B. Cheremushkinskaya 25, 117218 Moscow, Russia and Department of Nano-, Bio-, Information, and Cognitive Technologies, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
| | - F Simkovic
- Bogoliubov Laboratory of Theoretical Physics, JINR, 141980 Dubna, Russia and Department of Nuclear Physics and Biophysics, Comenius University, Mlynská Dolina F1, SK-842 48 Bratislava, Slovakia and Czech Technical University in Prague, CZ-12800 Prague, Czech Republic
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33
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Mahajan N. Neutrinoless double-β decay and QCD corrections. PHYSICAL REVIEW LETTERS 2014; 112:031804. [PMID: 24484132 DOI: 10.1103/physrevlett.112.031804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Indexed: 06/03/2023]
Abstract
We consider one-loop QCD corrections and renormalization group running of the neutrinoless double-β decay amplitude focusing on the short-range part of the amplitude (without the light neutrino exchange) and find that these corrections can be sizeable. Depending on the operator under consideration, there can be moderate to large cancellations or significant enhancements. We discuss several specific examples in this context. Such large corrections will lead to significant shifts in the half-life estimates, which currently are known to be plagued with the uncertainties due to nuclear physics inputs to the physical matrix elements.
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Affiliation(s)
- Namit Mahajan
- Theoretical Physics Division, Physical Research Laboratory, Navrangpura, Ahmedabad 380 009, India
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34
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Tretyak V, Belli P, Bernabei R, Brudanin V, Cappella F, Caracciolo V, Cerulli R, Chernyak D, Danevich F, D’Angelo S, Incicchitti A, Laubenstein M, Mokina V, Poda D, Polischuk O, Podviyanuk R, Tupitsyna I. First results of the experiment to search for 2β decay of 106Cd with 106CdWO 4crystal scintillator in coincidence with four crystals HPGe detector. EPJ WEB OF CONFERENCES 2014. [DOI: 10.1051/epjconf/20136501004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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35
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Shlegel V, Berge L, Boiko R, Chapellier M, Chernyak D, Coron N, Danevich F, Decourt R, Degoda V, Devoyon L, Drillien A, Dumoulin L, Enss C, Fleischmann A, Gastaldo L, Giuliani A, Gros M, Herve S, Ivanov I, Kobychev V, Kogut Y, Koskas F, Loidl M, Magnier P, Makarov E, Mancuso M, de Marcillac P, Marnieros S, Marrache-Kikuchi C, Nasonov S, Navick X, Nones C, Olivieri E, Paul B, Penichot Y, Pessina G, Plantevin O, Poda D, Redon T, Rodrigues M, Strazzer O, Tenconi M, Torres L, Tretyak V, Vasiliev Y, Velazquez M, Viraphong O, Zhdankov V. Purification of molybdenum oxide, growth and characterization of medium size zinc molybdate crystals for the LUMINEU program. EPJ WEB OF CONFERENCES 2014. [DOI: 10.1051/epjconf/20136503001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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36
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Pattavina L. Li-containing scintillating bolometers for low background physics. EPJ WEB OF CONFERENCES 2014. [DOI: 10.1051/epjconf/20136502003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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37
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Poda D, Barabash A, Belli P, Bernabei R, Cappella F, Caracciolo V, Castellano S, Chernyak D, Cerulli R, Danevich F, d’Angelo S, Incicchitti A, Kobychev V, Konovalov S, Laubenstein M, Podviyanuk R, Polischuk O, Shlegel V, Tretyak V, Umatov V, Vasiliev Y. Search for 2βdecay of116Cd with the help of enriched116CdWO4crystal scintillators. EPJ WEB OF CONFERENCES 2014. [DOI: 10.1051/epjconf/20136501005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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38
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Boiko R, Barabash A, Belli P, Bernabei R, Cappella F, Cerulli R, Danevich F, Incicchitti A, Laubenstein M, Mokina V, Nisi S, Poda D, Polischuk O, Tretyak V. Purification of cerium, neodymium and gadolinium for low background experiments. EPJ WEB OF CONFERENCES 2014. [DOI: 10.1051/epjconf/20136504001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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39
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Chernyak D, Danevich F, Giuliani A, Mancuso M, Nones C, Olivieri E, Tenconi M, Tretyak V. Rejection of randomly coinciding 2ν2β events in ZnMoO 4scintillating bolometers. EPJ WEB OF CONFERENCES 2014. [DOI: 10.1051/epjconf/20136504002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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40
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Tenconi M, Giuliani A, Nones C, Pessina G, Plantevin O, Rusconi C. Characterization of a ZnSe scintillating bolometer prototype for neutrinoless double beta decay search. EPJ WEB OF CONFERENCES 2014. [DOI: 10.1051/epjconf/20136504005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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41
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Horoi M. Novel Approaches to Calculate Nuclear Matrix Elements for Double Beta Decays. EPJ WEB OF CONFERENCES 2014. [DOI: 10.1051/epjconf/20146608003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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42
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Agostini M, Allardt M, Andreotti E, Bakalyarov AM, Balata M, Barabanov I, Barnabé Heider M, Barros N, Baudis L, Bauer C, Becerici-Schmidt N, Bellotti E, Belogurov S, Belyaev ST, Benato G, Bettini A, Bezrukov L, Bode T, Brudanin V, Brugnera R, Budjáš D, Caldwell A, Cattadori C, Chernogorov A, Cossavella F, Demidova EV, Domula A, Egorov V, Falkenstein R, Ferella A, Freund K, Frodyma N, Gangapshev A, Garfagnini A, Gotti C, Grabmayr P, Gurentsov V, Gusev K, Guthikonda KK, Hampel W, Hegai A, Heisel M, Hemmer S, Heusser G, Hofmann W, Hult M, Inzhechik LV, Ioannucci L, Janicskó Csáthy J, Jochum J, Junker M, Kihm T, Kirpichnikov IV, Kirsch A, Klimenko A, Knöpfle KT, Kochetov O, Kornoukhov VN, Kuzminov VV, Laubenstein M, Lazzaro A, Lebedev VI, Lehnert B, Liao HY, Lindner M, Lippi I, Liu X, Lubashevskiy A, Lubsandorzhiev B, Lutter G, Macolino C, Machado AA, Majorovits B, Maneschg W, Misiaszek M, Nemchenok I, Nisi S, O'Shaughnessy C, Pandola L, Pelczar K, Pessina G, Pullia A, Riboldi S, Rumyantseva N, Sada C, Salathe M, Schmitt C, Schreiner J, Schulz O, Schwingenheuer B, Schönert S, Shevchik E, Shirchenko M, Simgen H, Smolnikov A, Stanco L, Strecker H, Tarka M, Ur CA, Vasenko AA, Volynets O, von Sturm K, Wagner V, Walter M, Wegmann A, Wester T, Wojcik M, Yanovich E, Zavarise P, Zhitnikov I, Zhukov SV, Zinatulina D, Zuber K, Zuzel G. Results on neutrinoless double-β decay of 76Ge from phase I of the GERDA experiment. PHYSICAL REVIEW LETTERS 2013; 111:122503. [PMID: 24093254 DOI: 10.1103/physrevlett.111.122503] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Indexed: 06/02/2023]
Abstract
Neutrinoless double beta decay is a process that violates lepton number conservation. It is predicted to occur in extensions of the standard model of particle physics. This Letter reports the results from phase I of the Germanium Detector Array (GERDA) experiment at the Gran Sasso Laboratory (Italy) searching for neutrinoless double beta decay of the isotope (76)Ge. Data considered in the present analysis have been collected between November 2011 and May 2013 with a total exposure of 21.6 kg yr. A blind analysis is performed. The background index is about 1 × 10(-2) counts/(keV kg yr) after pulse shape discrimination. No signal is observed and a lower limit is derived for the half-life of neutrinoless double beta decay of (76)Ge, T(1/2)(0ν) >2.1 × 10(25) yr (90% C.L.). The combination with the results from the previous experiments with (76)Ge yields T(1/2)(0ν)>3.0 × 10(25) yr (90% C.L.).
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Affiliation(s)
- M Agostini
- Physik Department and Excellence Cluster Universe, Technische Universität München, Germany
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Horoi M, Brown BA. Shell-model analysis of the 136Xe double beta decay nuclear matrix elements. PHYSICAL REVIEW LETTERS 2013; 110:222502. [PMID: 23767716 DOI: 10.1103/physrevlett.110.222502] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2012] [Revised: 03/18/2013] [Indexed: 06/02/2023]
Abstract
Neutrinoless double beta decay, if observed, could distinguish whether the neutrino is a Dirac or a Majorana particle, and it could be used to determine the absolute scale of the neutrino masses. 136Xe is one of the most promising candidates for observing this rare event. However, until recently there were no positive results for the allowed and less rare two-neutrino double beta decay mode. The small nuclear matrix element associated with the long half-life represents a challenge for nuclear structure models used for its calculation. We report a new shell-model analysis of the two-neutrino double beta decay of 136Xe, which takes into account all relevant nuclear orbitals necessary to fully describe the associated Gamow-Teller strength. We further use the new model to analyze the main contributions to the neutrinoless double beta decay matrix element, and show that they are also diminished.
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Affiliation(s)
- M Horoi
- Department of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, USA.
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