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10
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Anastassopoulos V, Andrianov S, Baartman R, Baessler S, Bai M, Benante J, Berz M, Blaskiewicz M, Bowcock T, Brown K, Casey B, Conte M, Crnkovic JD, D'Imperio N, Fanourakis G, Fedotov A, Fierlinger P, Fischer W, Gaisser MO, Giomataris Y, Grosse-Perdekamp M, Guidoboni G, Hacıömeroğlu S, Hoffstaetter G, Huang H, Incagli M, Ivanov A, Kawall D, Kim YI, King B, Koop IA, Lazarus DM, Lebedev V, Lee MJ, Lee S, Lee YH, Lehrach A, Lenisa P, Levi Sandri P, Luccio AU, Lyapin A, MacKay W, Maier R, Makino K, Malitsky N, Marciano WJ, Meng W, Meot F, Metodiev EM, Miceli L, Moricciani D, Morse WM, Nagaitsev S, Nayak SK, Orlov YF, Ozben CS, Park ST, Pesce A, Petrakou E, Pile P, Podobedov B, Polychronakos V, Pretz J, Ptitsyn V, Ramberg E, Raparia D, Rathmann F, Rescia S, Roser T, Kamal Sayed H, Semertzidis YK, Senichev Y, Sidorin A, Silenko A, Simos N, Stahl A, Stephenson EJ, Ströher H, Syphers MJ, Talman J, Talman RM, Tishchenko V, Touramanis C, Tsoupas N, Venanzoni G, Vetter K, Vlassis S, Won E, Zavattini G, Zelenski A, Zioutas K. A storage ring experiment to detect a proton electric dipole moment. Rev Sci Instrum 2016; 87:115116. [PMID: 27910557 DOI: 10.1063/1.4967465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 10/27/2016] [Indexed: 06/06/2023]
Abstract
A new experiment is described to detect a permanent electric dipole moment of the proton with a sensitivity of 10-29 e ⋅ cm by using polarized "magic" momentum 0.7 GeV/c protons in an all-electric storage ring. Systematic errors relevant to the experiment are discussed and techniques to address them are presented. The measurement is sensitive to new physics beyond the standard model at the scale of 3000 TeV.
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Affiliation(s)
- V Anastassopoulos
- Department of Physics, University of Patras, 26500 Rio-Patras, Greece
| | - S Andrianov
- Faculty of Applied Mathematics and Control Processes, Saint-Petersburg State University, Saint-Petersburg, Russia
| | - R Baartman
- TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T2A3, Canada
| | - S Baessler
- Department of Physics, University of Virginia, Charlottesville, Virginia 22904, USA
| | - M Bai
- Institut für Kernphysik and JARA-Fame, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - J Benante
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Berz
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - M Blaskiewicz
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Bowcock
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - K Brown
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - B Casey
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M Conte
- Physics Department and INFN Section of Genoa, 16146 Genoa, Italy
| | - J D Crnkovic
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - N D'Imperio
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - G Fanourakis
- Institute of Nuclear and Particle Physics NCSR Demokritos, GR-15310 Aghia Paraskevi Athens, Greece
| | - A Fedotov
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - P Fierlinger
- Technical University München, Physikdepartment and Excellence-Cluster "Universe," Garching, Germany
| | - W Fischer
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M O Gaisser
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Y Giomataris
- CEA/Saclay, DAPNIA, 91191 Gif-sur-Yvette Cedex, France
| | - M Grosse-Perdekamp
- Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - G Guidoboni
- University of Ferrara, INFN of Ferrara, Ferrara, Italy
| | - S Hacıömeroğlu
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - G Hoffstaetter
- Laboratory for Elementary-Particle Physics, Cornell University, Ithaca, New York 14853, USA
| | - H Huang
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M Incagli
- Physics Department, University and INFN Pisa, Pisa, Italy
| | - A Ivanov
- Faculty of Applied Mathematics and Control Processes, Saint-Petersburg State University, Saint-Petersburg, Russia
| | - D Kawall
- Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003, USA
| | - Y I Kim
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - B King
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - I A Koop
- Budker Institute of Nuclear Physics, 630090 Novosibirsk, Russia
| | - D M Lazarus
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - V Lebedev
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - M J Lee
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - S Lee
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Y H Lee
- Korea Research Institute of Standards and Science, Daejeon 34141, South Korea
| | - A Lehrach
- Institut für Kernphysik and JARA-Fame, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - P Lenisa
- University of Ferrara, INFN of Ferrara, Ferrara, Italy
| | - P Levi Sandri
- Laboratori Nazionali di Frascati, INFN, I-00044 Frascati, Rome, Italy
| | - A U Luccio
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - A Lyapin
- Royal Holloway, University of London, Egham, Surrey, United Kingdom
| | - W MacKay
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - R Maier
- Institut für Kernphysik and JARA-Fame, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - K Makino
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
| | - N Malitsky
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - W J Marciano
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - W Meng
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - F Meot
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - E M Metodiev
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - L Miceli
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - D Moricciani
- Dipartimento di Fisica dell'Univ. di Roma "Tor Vergata" and INFN Sezione di Roma Tor Vergata, Rome, Italy
| | - W M Morse
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S Nagaitsev
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - S K Nayak
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Y F Orlov
- Laboratory for Elementary-Particle Physics, Cornell University, Ithaca, New York 14853, USA
| | - C S Ozben
- Istanbul Technical University, Istanbul 34469, Turkey
| | - S T Park
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - A Pesce
- University of Ferrara, INFN of Ferrara, Ferrara, Italy
| | - E Petrakou
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - P Pile
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - B Podobedov
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | | | - J Pretz
- RWTH Aachen University and JARA-Fame, III. Physikalisches Institut B, Physikzentrum, 52056 Aachen, Germany
| | - V Ptitsyn
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - E Ramberg
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - D Raparia
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - F Rathmann
- Institut für Kernphysik and JARA-Fame, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - S Rescia
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - T Roser
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - H Kamal Sayed
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Y K Semertzidis
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Y Senichev
- Institut für Kernphysik and JARA-Fame, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - A Sidorin
- Joint Institute for Nuclear Research, Dubna, Moscow region, Russia
| | - A Silenko
- Joint Institute for Nuclear Research, Dubna, Moscow region, Russia
| | - N Simos
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - A Stahl
- RWTH Aachen University and JARA-Fame, III. Physikalisches Institut B, Physikzentrum, 52056 Aachen, Germany
| | - E J Stephenson
- Indiana University Center for Spacetime Symmetries, Bloomington, Indiana 47405, USA
| | - H Ströher
- Institut für Kernphysik and JARA-Fame, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - M J Syphers
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
| | - J Talman
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - R M Talman
- Laboratory for Elementary-Particle Physics, Cornell University, Ithaca, New York 14853, USA
| | - V Tishchenko
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - C Touramanis
- Department of Physics, University of Liverpool, Liverpool, United Kingdom
| | - N Tsoupas
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - G Venanzoni
- Laboratori Nazionali di Frascati, INFN, I-00044 Frascati, Rome, Italy
| | - K Vetter
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - S Vlassis
- Department of Physics, University of Patras, 26500 Rio-Patras, Greece
| | - E Won
- Center for Axion and Precision Physics Research, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - G Zavattini
- University of Ferrara, INFN of Ferrara, Ferrara, Italy
| | - A Zelenski
- Brookhaven National Laboratory, Upton, New York 11973, USA
| | - K Zioutas
- Department of Physics, University of Patras, 26500 Rio-Patras, Greece
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11
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White GR, Ainsworth R, Akagi T, Alabau-Gonzalvo J, Angal-Kalinin D, Araki S, Aryshev A, Bai S, Bambade P, Bett DR, Blair G, Blanch C, Blanco O, Blaskovic-Kraljevic N, Bolzon B, Boogert S, Burrows PN, Christian G, Corner L, Davis MR, Faus-Golfe A, Fukuda M, Gao J, García-Morales H, Geffroy N, Hayano H, Heo AY, Hildreth M, Honda Y, Huang JY, Hwang WH, Iwashita Y, Jang S, Jeremie A, Kamiya Y, Karataev P, Kim ES, Kim HS, Kim SH, Kim YI, Komamiya S, Kubo K, Kume T, Kuroda S, Lam B, Lekomtsev K, Liu S, Lyapin A, Marin E, Masuzawa M, McCormick D, Naito T, Nelson J, Nevay LJ, Okugi T, Omori T, Oroku M, Park H, Park YJ, Perry C, Pfingstner J, Phinney N, Rawankar A, Renier Y, Resta-López J, Ross M, Sanuki T, Schulte D, Seryi A, Shevelev M, Shimizu H, Snuverink J, Spencer C, Suehara T, Sugahara R, Takahashi T, Tanaka R, Tauchi T, Terunuma N, Tomás R, Urakawa J, Wang D, Warden M, Wendt M, Wolski A, Woodley M, Yamaguchi Y, Yamanaka T, Yan J, Yokoya K, Zimmermann F. Experimental validation of a novel compact focusing scheme for future energy-frontier linear lepton colliders. Phys Rev Lett 2014; 112:034802. [PMID: 24484144 DOI: 10.1103/physrevlett.112.034802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Indexed: 06/03/2023]
Abstract
A novel scheme for the focusing of high-energy leptons in future linear colliders was proposed in 2001 [P. Raimondi and A. Seryi, Phys. Rev. Lett. 86, 3779 (2001)]. This scheme has many advantageous properties over previously studied focusing schemes, including being significantly shorter for a given energy and having a significantly better energy bandwidth. Experimental results from the ATF2 accelerator at KEK are presented that validate the operating principle of such a scheme by demonstrating the demagnification of a 1.3 GeV electron beam down to below 65 nm in height using an energy-scaled version of the compact focusing optics designed for the ILC collider.
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Affiliation(s)
- G R White
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - R Ainsworth
- John Adams Institute for Accelerator Science at Royal Holloway University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - T Akagi
- Department of Physics, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
| | - J Alabau-Gonzalvo
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland
| | - D Angal-Kalinin
- CLRC: Daresbury Laboratory, Daresbury, Warrington, Cheshire WA4 4AD, United Kingdom
| | - S Araki
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - A Aryshev
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - S Bai
- Institute of High Energy Physics (IHEP), Chinese Academy of Sciences (CAS), Beijing, China
| | - P Bambade
- LAL, Universite Paris-Sud, CNRS/IN2P3, Orsay, France
| | - D R Bett
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - G Blair
- John Adams Institute for Accelerator Science at Royal Holloway University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom and Science and Technology Facilities Council, Polaris House, North Star Avenue, Swindon SN2 1SZ, United Kingdom
| | - C Blanch
- Universidad de Valencia - Instituto de Física Corpuscular (IFC), Edificio Institutos de Investigación, c/ Catedrático José Beltrán, 2, E-46980 Paterna, Spain
| | - O Blanco
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland and LAL, Universite Paris-Sud, CNRS/IN2P3, Orsay, France
| | - N Blaskovic-Kraljevic
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - B Bolzon
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland and CLRC: Daresbury Laboratory, Daresbury, Warrington, Cheshire WA4 4AD, United Kingdom and Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Oxford St., Liverpool L69 3BX, United Kingdom
| | - S Boogert
- John Adams Institute for Accelerator Science at Royal Holloway University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - P N Burrows
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - G Christian
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - L Corner
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - M R Davis
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - A Faus-Golfe
- Universidad de Valencia - Instituto de Física Corpuscular (IFC), Edificio Institutos de Investigación, c/ Catedrático José Beltrán, 2, E-46980 Paterna, Spain
| | - M Fukuda
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - J Gao
- Institute of High Energy Physics (IHEP), Chinese Academy of Sciences (CAS), Beijing, China
| | - H García-Morales
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland and Universitat Politécnica de Catalunya, BarcelonaTech, C. Jordi Girona, 31. 08034 Barcelona, Spain
| | - N Geffroy
- LAPP-Universite de Savoie-CNRS/IN2P3, Annecy-le-Vieux, France
| | - H Hayano
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - A Y Heo
- Department of Physics, Kyungpook National University, 1370 San Kyuk-dong, Puk ku, Taegu 635, South Korea
| | - M Hildreth
- University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Y Honda
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - J Y Huang
- Pohang Accelerator Laboratory, POSTECH (Pohang University of Science and Technology), San-31 Hyoja-dong, Pohang 790-784, South Korea
| | - W H Hwang
- Pohang Accelerator Laboratory, POSTECH (Pohang University of Science and Technology), San-31 Hyoja-dong, Pohang 790-784, South Korea
| | - Y Iwashita
- Institute for Chemical Research (ICR), Nuclear Science Research Facility, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
| | - S Jang
- Department of Physics, Kyungpook National University, 1370 San Kyuk-dong, Puk ku, Taegu 635, South Korea
| | - A Jeremie
- LAPP-Universite de Savoie-CNRS/IN2P3, Annecy-le-Vieux, France
| | - Y Kamiya
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
| | - P Karataev
- John Adams Institute for Accelerator Science at Royal Holloway University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - E S Kim
- Department of Physics, Kyungpook National University, 1370 San Kyuk-dong, Puk ku, Taegu 635, South Korea
| | - H S Kim
- Department of Physics, Kyungpook National University, 1370 San Kyuk-dong, Puk ku, Taegu 635, South Korea
| | - S H Kim
- Pohang Accelerator Laboratory, POSTECH (Pohang University of Science and Technology), San-31 Hyoja-dong, Pohang 790-784, South Korea
| | - Y I Kim
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - S Komamiya
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
| | - K Kubo
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - T Kume
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - S Kuroda
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - B Lam
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - K Lekomtsev
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - S Liu
- LAL, Universite Paris-Sud, CNRS/IN2P3, Orsay, France
| | - A Lyapin
- John Adams Institute for Accelerator Science at Royal Holloway University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - E Marin
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - M Masuzawa
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - D McCormick
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - T Naito
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - J Nelson
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - L J Nevay
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom and John Adams Institute for Accelerator Science at Royal Holloway University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - T Okugi
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - T Omori
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - M Oroku
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
| | - H Park
- Department of Physics, Kyungpook National University, 1370 San Kyuk-dong, Puk ku, Taegu 635, South Korea
| | - Y J Park
- Pohang Accelerator Laboratory, POSTECH (Pohang University of Science and Technology), San-31 Hyoja-dong, Pohang 790-784, South Korea
| | - C Perry
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - J Pfingstner
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland
| | - N Phinney
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - A Rawankar
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - Y Renier
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland
| | - J Resta-López
- Universidad de Valencia - Instituto de Física Corpuscular (IFC), Edificio Institutos de Investigación, c/ Catedrático José Beltrán, 2, E-46980 Paterna, Spain
| | - M Ross
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - T Sanuki
- Tohoku University, 28 Kawauchi, Aoba-ku, Sendai, 980-8576 Japan
| | - D Schulte
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland
| | - A Seryi
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - M Shevelev
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - H Shimizu
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - J Snuverink
- John Adams Institute for Accelerator Science at Royal Holloway University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - C Spencer
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - T Suehara
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
| | - R Sugahara
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - T Takahashi
- Department of Physics, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
| | - R Tanaka
- Department of Physics, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
| | - T Tauchi
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - N Terunuma
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - R Tomás
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland
| | - J Urakawa
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - D Wang
- Institute of High Energy Physics (IHEP), Chinese Academy of Sciences (CAS), Beijing, China
| | - M Warden
- John Adams Institute for Accelerator Science at University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
| | - M Wendt
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland
| | - A Wolski
- Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Oxford St., Liverpool L69 3BX, United Kingdom
| | - M Woodley
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025-7090, USA
| | - Y Yamaguchi
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
| | - T Yamanaka
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
| | - J Yan
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
| | - K Yokoya
- High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan
| | - F Zimmermann
- European Organization for Nuclear Research (CERN), CH-1211 Geneva 23, Switzerland
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