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Cao Z, Aharonian F, An Q, Bai LX, Bai YX, Bao YW, Bastieri D, Bi XJ, Bi YJ, Cai H, Cai JT, Cao Z, Chang J, Chang JF, Chen BM, Chen ES, Chen J, Chen L, Chen L, Chen L, Chen MJ, Chen ML, Chen QH, Chen SH, Chen SZ, Chen TL, Chen XL, Chen Y, Cheng N, Cheng YD, Cui SW, Cui XH, Cui YD, D'Ettorre Piazzoli B, Dai BZ, Dai HL, Dai ZG, Della Volpe D, Dong XJ, Duan KK, Fan JH, Fan YZ, Fan ZX, Fang J, Fang K, Feng CF, Feng L, Feng SH, Feng YL, Gao B, Gao CD, Gao LQ, Gao Q, Gao W, Ge MM, Geng LS, Gong GH, Gou QB, Gu MH, Guo FL, Guo JG, Guo XL, Guo YQ, Guo YY, Han YA, He HH, He HN, He JC, He SL, He XB, He Y, Heller M, Hor YK, Hou C, Hou X, Hu HB, Hu S, Hu SC, Hu XJ, Huang DH, Huang QL, Huang WH, Huang XT, Huang XY, Huang ZC, Ji F, Ji XL, Jia HY, Jiang K, Jiang ZJ, Jin C, Ke T, Kuleshov D, Levochkin K, Li BB, Li C, Li C, Li F, Li HB, Li HC, Li HY, Li J, Li J, Li K, Li WL, Li XR, Li X, Li X, Li Y, Li YZ, Li Z, Li Z, Liang EW, Liang YF, Lin SJ, Liu B, Liu C, Liu D, Liu H, Liu HD, Liu J, Liu JL, Liu JS, Liu JY, Liu MY, Liu RY, Liu SM, Liu W, Liu Y, Liu YN, Liu ZX, Long WJ, Lu R, Lv HK, Ma BQ, Ma LL, Ma XH, Mao JR, Masood A, Min Z, Mitthumsiri W, Montaruli T, Nan YC, Pang BY, Pattarakijwanich P, Pei ZY, Qi MY, Qi YQ, Qiao BQ, Qin JJ, Ruffolo D, Rulev V, Saiz A, Shao L, Shchegolev O, Sheng XD, Shi JY, Song HC, Stenkin YV, Stepanov V, Su Y, Sun QN, Sun XN, Sun ZB, Tam PHT, Tang ZB, Tian WW, Wang BD, Wang C, Wang H, Wang HG, Wang JC, Wang JS, Wang LP, Wang LY, Wang RN, Wang W, Wang W, Wang XG, Wang XJ, Wang XY, Wang Y, Wang YD, Wang YJ, Wang YP, Wang ZH, Wang ZX, Wang Z, Wang Z, Wei DM, Wei JJ, Wei YJ, Wen T, Wu CY, Wu HR, Wu S, Wu WX, Wu XF, Xi SQ, Xia J, Xia JJ, Xiang GM, Xiao DX, Xiao G, Xiao HB, Xin GG, Xin YL, Xing Y, Xu DL, Xu RX, Xue L, Yan DH, Yan JZ, Yang CW, Yang FF, Yang JY, Yang LL, Yang MJ, Yang RZ, Yang SB, Yao YH, Yao ZG, Ye YM, Yin LQ, Yin N, You XH, You ZY, Yu YH, Yuan Q, Zeng HD, Zeng TX, Zeng W, Zeng ZK, Zha M, Zhai XX, Zhang BB, Zhang HM, Zhang HY, Zhang JL, Zhang JW, Zhang LX, Zhang L, Zhang L, Zhang PF, Zhang PP, Zhang R, Zhang SR, Zhang SS, Zhang X, Zhang XP, Zhang YF, Zhang YL, Zhang Y, Zhang Y, Zhao B, Zhao J, Zhao L, Zhao LZ, Zhao SP, Zheng F, Zheng Y, Zhou B, Zhou H, Zhou JN, Zhou P, Zhou R, Zhou XX, Zhu CG, Zhu FR, Zhu H, Zhu KJ, Zuo X. Peta-electron volt gamma-ray emission from the Crab Nebula. Science 2021; 373:425-430. [PMID: 34261813 DOI: 10.1126/science.abg5137] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 06/23/2021] [Indexed: 11/03/2022]
Abstract
The Crab Nebula is a bright source of gamma rays powered by the Crab Pulsar's rotational energy through the formation and termination of a relativistic electron-positron wind. We report the detection of gamma rays from this source with energies from 5 × 10-4 to 1.1 peta-electron volts with a spectrum showing gradual steepening over three energy decades. The ultrahigh-energy photons imply the presence of a peta-electron volt electron accelerator (a pevatron) in the nebula, with an acceleration rate exceeding 15% of the theoretical limit. We constrain the pevatron's size between 0.025 and 0.1 parsecs and the magnetic field to ≈110 microgauss. The production rate of peta-electron volt electrons, 2.5 × 1036 ergs per second, constitutes 0.5% of the pulsar spin-down luminosity, although we cannot exclude a contribution of peta-electron volt protons to the production of the highest-energy gamma rays.
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4
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Enoto T, Terasawa T, Kisaka S, Hu CP, Guillot S, Lewandowska N, Malacaria C, Ray PS, Ho WCG, Harding AK, Okajima T, Arzoumanian Z, Gendreau KC, Wadiasingh Z, Markwardt CB, Soong Y, Kenyon S, Bogdanov S, Majid WA, Güver T, Jaisawal GK, Foster R, Murata Y, Takeuchi H, Takefuji K, Sekido M, Yonekura Y, Misawa H, Tsuchiya F, Aoki T, Tokumaru M, Honma M, Kameya O, Oyama T, Asano K, Shibata S, Tanaka SJ. Enhanced x-ray emission coinciding with giant radio pulses from the Crab Pulsar. Science 2021; 372:187-190. [PMID: 33833123 DOI: 10.1126/science.abd4659] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 03/05/2021] [Indexed: 11/02/2022]
Abstract
Giant radio pulses (GRPs) are sporadic bursts emitted by some pulsars that last a few microseconds and are hundreds to thousands of times brighter than regular pulses from these sources. The only GRP-associated emission outside of radio wavelengths is from the Crab Pulsar, where optical emission is enhanced by a few percentage points during GRPs. We observed the Crab Pulsar simultaneously at x-ray and radio wavelengths, finding enhancement of the x-ray emission by 3.8 ± 0.7% (a 5.4σ detection) coinciding with GRPs. This implies that the total emitted energy from GRPs is tens to hundreds of times higher than previously known. We discuss the implications for the pulsar emission mechanism and extragalactic fast radio bursts.
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Affiliation(s)
- Teruaki Enoto
- Cluster for Pioneering Research, RIKEN, Wako 351-0198, Japan.
| | - Toshio Terasawa
- Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan. .,Mizusawa VLBI Observatory, National Astronomical Observatory of Japan, Mitaka 181-8588, Japan.,Interdisciplinary Theoretical Science Research Group, RIKEN, Wako 351-0198, Japan
| | - Shota Kisaka
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai 980-8578, Japan. .,Astronomical Institute, Tohoku University, Sendai 980-8578, Japan.,Department of Physical Science, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
| | - Chin-Ping Hu
- Cluster for Pioneering Research, RIKEN, Wako 351-0198, Japan. .,Department of Physics, National Changhua University of Education, Changhua 50007, Taiwan.,Department of Astronomy, Kyoto University, Kyoto 606-8502, Japan
| | | | - Natalia Lewandowska
- Department of Physics and Astronomy, Haverford College, Haverford, PA 19041, USA
| | - Christian Malacaria
- NASA Marshall Space Flight Center, National Space Science and Technology Center, Huntsville, AL 35805, USA.,Universities Space Research Association, Science and Technology Institute, Huntsville, AL 35805, USA
| | - Paul S Ray
- US Naval Research Laboratory, Washington, DC 20375, USA
| | - Wynn C G Ho
- Department of Physics and Astronomy, Haverford College, Haverford, PA 19041, USA.,Mathematical Sciences and STAG Research Centre, University of Southampton, Southampton SO17 1BJ, UK
| | - Alice K Harding
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.,Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | | | | | | | - Zorawar Wadiasingh
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.,Universities Space Research Association, Columbia, MD 21046, USA
| | | | - Yang Soong
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - Steve Kenyon
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - Slavko Bogdanov
- Columbia Astrophysics Laboratory, Columbia University, New York, NY 10027, USA
| | - Walid A Majid
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.,California Institute of Technology, Pasadena, CA 91125, USA
| | - Tolga Güver
- Istanbul University, Science Faculty, Department of Astronomy and Space Sciences, Beyazıt, 34119 Istanbul, Turkey
| | - Gaurava K Jaisawal
- National Space Institute, Technical University of Denmark, Elektrovej 327-328, Denmark
| | - Rick Foster
- Massachusetts Institute of Technology Kavli Institute for Astrophysics and Space Research, Cambridge, MA 02139, USA
| | - Yasuhiro Murata
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara 252-5210, Japan.,Usuda Deep Space Center, Japan Aerospace Exploration Agency, Saku 384-0306, Japan.,Department of Space and Astronautical Science, SOKENDAI (The Graduate University for Advanced Studies), Sagamihara 252-5210, Japan
| | - Hiroshi Takeuchi
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara 252-5210, Japan.,Department of Space and Astronautical Science, SOKENDAI (The Graduate University for Advanced Studies), Sagamihara 252-5210, Japan
| | - Kazuhiro Takefuji
- Usuda Deep Space Center, Japan Aerospace Exploration Agency, Saku 384-0306, Japan.,Kashima Space Technology Center, National Institute of Information and Communications Technology, Kashima 314-8501, Japan
| | - Mamoru Sekido
- Kashima Space Technology Center, National Institute of Information and Communications Technology, Kashima 314-8501, Japan
| | | | - Hiroaki Misawa
- Planetary Plasma and Atmospheric Research Center, Tohoku University, Sendai 980-8578, Japan
| | - Fuminori Tsuchiya
- Planetary Plasma and Atmospheric Research Center, Tohoku University, Sendai 980-8578, Japan
| | - Takahiko Aoki
- The Research Institute for Time Studies, Yamaguchi University, Yamaguchi 753-8511, Japan
| | - Munetoshi Tokumaru
- Institute for Space-Earth Environmental Research, Nagoya University, Nagoya 464-8601, Japan
| | - Mareki Honma
- Mizusawa VLBI Observatory, National Astronomical Observatory of Japan, Oshu 023-0861, Japan.,Department of Astronomy, University of Tokyo, Tokyo 113-0033, Japan.,Department of Astronomical Science, SOKENDAI (The Graduate University for Advanced Studies), Mitaka 181-8588, Japan
| | - Osamu Kameya
- Mizusawa VLBI Observatory, National Astronomical Observatory of Japan, Oshu 023-0861, Japan.,Department of Astronomical Science, SOKENDAI (The Graduate University for Advanced Studies), Mitaka 181-8588, Japan
| | - Tomoaki Oyama
- Mizusawa VLBI Observatory, National Astronomical Observatory of Japan, Oshu 023-0861, Japan
| | - Katsuaki Asano
- Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan
| | - Shinpei Shibata
- Department of Physics, Yamagata University, Yamagata 990-8560, Japan
| | - Shuta J Tanaka
- Department of Physics and Mathematics, Aoyama Gakuin University, Sagamihara 252-5258, Japan
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27
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Abdo AA, Ackermann M, Ajello M, Allafort A, Baldini L, Ballet J, Barbiellini G, Bastieri D, Bechtol K, Bellazzini R, Berenji B, Blandford RD, Bloom ED, Bonamente E, Borgland AW, Bouvier A, Brandt TJ, Bregeon J, Brez A, Brigida M, Bruel P, Buehler R, Buson S, Caliandro GA, Cameron RA, Cannon A, Caraveo PA, Casandjian JM, Çelik Ö, Charles E, Chekhtman A, Cheung CC, Chiang J, Ciprini S, Claus R, Cohen-Tanugi J, Costamante L, Cutini S, D’Ammando F, Dermer CD, de Angelis A, de Luca A, de Palma F, Digel SW, do Couto e Silva E, Drell PS, Drlica-Wagner A, Dubois R, Dumora D, Favuzzi C, Fegan SJ, Ferrara EC, Focke WB, Fortin P, Frailis M, Fukazawa Y, Funk S, Fusco P, Gargano F, Gasparrini D, Gehrels N, Germani S, Giglietto N, Giordano F, Giroletti M, Glanzman T, Godfrey G, Grenier IA, Grondin MH, Grove JE, Guiriec S, Hadasch D, Hanabata Y, Harding AK, Hayashi K, Hayashida M, Hays E, Horan D, Itoh R, Jóhannesson G, Johnson AS, Johnson TJ, Khangulyan D, Kamae T, Katagiri H, Kataoka J, Kerr M, Knödlseder J, Kuss M, Lande J, Latronico L, Lee SH, Lemoine-Goumard M, Longo F, Loparco F, Lubrano P, Madejski GM, Makeev A, Marelli M, Mazziotta MN, McEnery JE, Michelson PF, Mitthumsiri W, Mizuno T, Moiseev AA, Monte C, Monzani ME, Morselli A, Moskalenko IV, Murgia S, Nakamori T, Naumann-Godo M, Nolan PL, Norris JP, Nuss E, Ohsugi T, Okumura A, Omodei N, Ormes JF, Ozaki M, Paneque D, Parent D, Pelassa V, Pepe M, Pesce-Rollins M, Pierbattista M, Piron F, Porter TA, Rainò S, Rando R, Ray PS, Razzano M, Reimer A, Reimer O, Reposeur T, Ritz S, Romani RW, Sadrozinski HFW, Sanchez D, Parkinson PMS, Scargle JD, Schalk TL, Sgrò C, Siskind EJ, Smith PD, Spandre G, Spinelli P, Strickman MS, Suson DJ, Takahashi H, Takahashi T, Tanaka T, Thayer JB, Thompson DJ, Tibaldo L, Torres DF, Tosti G, Tramacere A, Troja E, Uchiyama Y, Vandenbroucke J, Vasileiou V, Vianello G, Vitale V, Wang P, Wood KS, Yang Z, Ziegler M. Gamma-Ray Flares from the Crab Nebula. Science 2011; 331:739-42. [DOI: 10.1126/science.1199705] [Citation(s) in RCA: 265] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- A. A. Abdo
- National Research Council Research Associate, National Academy of Sciences, Washington, DC 20001, USA; Naval Research Laboratory, Washington, DC 20375, USA
| | - M. Ackermann
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - M. Ajello
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - A. Allafort
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - L. Baldini
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - J. Ballet
- Laboratoire AIM, Commissariat à l’Énergie Atomique (CEA)– Institute of Research into the Fundamental Laws of the Universe (IRFU)/CNRS/Université Paris Diderot, Service d’Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France
| | - G. Barbiellini
- INFN, Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - D. Bastieri
- INFN, Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica “G. Galilei,” Università di Padova, I-35131 Padova, Italy
| | - K. Bechtol
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - R. Bellazzini
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - B. Berenji
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - R. D. Blandford
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - E. D. Bloom
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - E. Bonamente
- INFN, Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, Italy
| | - A. W. Borgland
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - A. Bouvier
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - T. J. Brandt
- Centre d’Étude Spatiale des Rayonnements, CNRS/UPS, BP 44346, F-30128 Toulouse Cedex 4, France
- Department of Physics, Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210, USA
| | - J. Bregeon
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - A. Brez
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - M. Brigida
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - P. Bruel
- Laboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, France
| | - R. Buehler
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - S. Buson
- INFN, Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica “G. Galilei,” Università di Padova, I-35131 Padova, Italy
| | - G. A. Caliandro
- Institut de Ciencies de l’Espai, Institut d’Estudis Espacials de Catalunya–Consejo Superior de Investigaciones Científicas (IEEC-CSIC), Campus UAB, 08193 Barcelona, Spain
| | - R. A. Cameron
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - A. Cannon
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
- School of Physics, University College Dublin, Belfield, Dublin 4, Ireland
| | - P. A. Caraveo
- Istituto Nazionale di Astrofisica–Istituto di Astrofisica Spaziale e Fisica Cosmica (INAF-IASF), I-20133 Milano, Italy
| | - J. M. Casandjian
- Laboratoire AIM, Commissariat à l’Énergie Atomique (CEA)– Institute of Research into the Fundamental Laws of the Universe (IRFU)/CNRS/Université Paris Diderot, Service d’Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France
| | - Ö. Çelik
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
- Center for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
- Department of Physics and Center for Space Sciences and Technology, University of Maryland Baltimore County, Baltimore, MD 21250, USA
| | - E. Charles
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - A. Chekhtman
- College of Science, George Mason University, Fairfax, VA 22030, USA; Naval Research Laboratory, Washington, DC 20375, USA
| | - C. C. Cheung
- National Research Council Research Associate, National Academy of Sciences, Washington, DC 20001, USA; Naval Research Laboratory, Washington, DC 20375, USA
| | - J. Chiang
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - S. Ciprini
- Dipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, Italy
| | - R. Claus
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - J. Cohen-Tanugi
- Laboratoire de Physique Théorique et Astroparticules, Université Montpellier 2, CNRS/IN2P3, Montpellier, France
| | - L. Costamante
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - S. Cutini
- Agenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), Italy
| | - F. D’Ammando
- IASF Palermo, 90146 Palermo, Italy
- INAF-IASF, I-00133 Roma, Italy
| | - C. D. Dermer
- Space Science Division, Naval Research Laboratory, Washington, DC 20375, USA
| | - A. de Angelis
- Dipartimento di Fisica, Università di Udine and Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Gruppo Collegato di Udine, I-33100 Udine, Italy
| | - A. de Luca
- Istituto Universitario di Studi Superiori (IUSS), I-27100 Pavia, Italy
| | - F. de Palma
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - S. W. Digel
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - E. do Couto e Silva
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - P. S. Drell
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - A. Drlica-Wagner
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - R. Dubois
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - D. Dumora
- Université Bordeaux 1, CNRS/IN2p3, Centre d’Études Nucléaires de Bordeaux Gradignan, 33175 Gradignan, France
| | - C. Favuzzi
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - S. J. Fegan
- Laboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, France
| | - E. C. Ferrara
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - W. B. Focke
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - P. Fortin
- Laboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, France
| | - M. Frailis
- Dipartimento di Fisica, Università di Udine and Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Gruppo Collegato di Udine, I-33100 Udine, Italy
- Osservatorio Astronomico di Trieste, Istituto Nazionale di Astrofisica, I-34143 Trieste, Italy
| | - Y. Fukazawa
- Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - S. Funk
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - P. Fusco
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - F. Gargano
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - D. Gasparrini
- Agenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), Italy
| | - N. Gehrels
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - S. Germani
- INFN, Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, Italy
| | - N. Giglietto
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - F. Giordano
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - M. Giroletti
- INAF–Istituto di Radioastronomia, 40129 Bologna, Italy
| | - T. Glanzman
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - G. Godfrey
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - I. A. Grenier
- Laboratoire AIM, Commissariat à l’Énergie Atomique (CEA)– Institute of Research into the Fundamental Laws of the Universe (IRFU)/CNRS/Université Paris Diderot, Service d’Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France
| | - M.-H. Grondin
- Université Bordeaux 1, CNRS/IN2p3, Centre d’Études Nucléaires de Bordeaux Gradignan, 33175 Gradignan, France
| | - J. E. Grove
- Space Science Division, Naval Research Laboratory, Washington, DC 20375, USA
| | - S. Guiriec
- Center for Space Plasma and Aeronomic Research (CSPAR), University of Alabama in Huntsville, Huntsville, AL 35899, USA
| | - D. Hadasch
- Institut de Ciencies de l’Espai, Institut d’Estudis Espacials de Catalunya–Consejo Superior de Investigaciones Científicas (IEEC-CSIC), Campus UAB, 08193 Barcelona, Spain
| | - Y. Hanabata
- Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - A. K. Harding
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - K. Hayashi
- Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - M. Hayashida
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - E. Hays
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - D. Horan
- Laboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, France
| | - R. Itoh
- Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - G. Jóhannesson
- Science Institute, University of Iceland, IS-107 Reykjavik, Iceland
| | - A. S. Johnson
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - T. J. Johnson
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
- Department of Physics and Department of Astronomy, University of Maryland, College Park, MD 20742, USA
| | - D. Khangulyan
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan
| | - T. Kamae
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - H. Katagiri
- Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - J. Kataoka
- Research Institute for Science and Engineering, Waseda University, 3-4-1, Okubo, Shinjuku, Tokyo, 169-8555 Japan
| | - M. Kerr
- Department of Physics, University of Washington, Seattle, WA 98195–1560, USA
| | - J. Knödlseder
- Centre d’Étude Spatiale des Rayonnements, CNRS/UPS, BP 44346, F-30128 Toulouse Cedex 4, France
| | - M. Kuss
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - J. Lande
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - L. Latronico
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - S.-H. Lee
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - M. Lemoine-Goumard
- Université Bordeaux 1, CNRS/IN2p3, Centre d’Études Nucléaires de Bordeaux Gradignan, 33175 Gradignan, France
| | - F. Longo
- INFN, Sezione di Trieste, I-34127 Trieste, Italy
- Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
| | - F. Loparco
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - P. Lubrano
- INFN, Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, Italy
| | - G. M. Madejski
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - A. Makeev
- College of Science, George Mason University, Fairfax, VA 22030, USA; Naval Research Laboratory, Washington, DC 20375, USA
| | - M. Marelli
- Istituto Nazionale di Astrofisica–Istituto di Astrofisica Spaziale e Fisica Cosmica (INAF-IASF), I-20133 Milano, Italy
| | | | - J. E. McEnery
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
- Department of Physics and Department of Astronomy, University of Maryland, College Park, MD 20742, USA
| | - P. F. Michelson
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - W. Mitthumsiri
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - T. Mizuno
- Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - A. A. Moiseev
- Center for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
- Department of Physics and Department of Astronomy, University of Maryland, College Park, MD 20742, USA
| | - C. Monte
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - M. E. Monzani
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - A. Morselli
- INFN, Sezione di Roma “Tor Vergata,” I-00133 Roma, Italy
| | - I. V. Moskalenko
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - S. Murgia
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - T. Nakamori
- Research Institute for Science and Engineering, Waseda University, 3-4-1, Okubo, Shinjuku, Tokyo, 169-8555 Japan
| | - M. Naumann-Godo
- Laboratoire AIM, Commissariat à l’Énergie Atomique (CEA)– Institute of Research into the Fundamental Laws of the Universe (IRFU)/CNRS/Université Paris Diderot, Service d’Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France
| | - P. L. Nolan
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - J. P. Norris
- Department of Physics and Astronomy, University of Denver, Denver, CO 80208, USA
| | - E. Nuss
- Laboratoire de Physique Théorique et Astroparticules, Université Montpellier 2, CNRS/IN2P3, Montpellier, France
| | - T. Ohsugi
- Hiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - A. Okumura
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan
| | - N. Omodei
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - J. F. Ormes
- Department of Physics and Astronomy, University of Denver, Denver, CO 80208, USA
| | - M. Ozaki
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan
| | - D. Paneque
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - D. Parent
- College of Science, George Mason University, Fairfax, VA 22030, USA; Naval Research Laboratory, Washington, DC 20375, USA
| | - V. Pelassa
- Laboratoire de Physique Théorique et Astroparticules, Université Montpellier 2, CNRS/IN2P3, Montpellier, France
| | - M. Pepe
- INFN, Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, Italy
| | - M. Pesce-Rollins
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - M. Pierbattista
- Laboratoire AIM, Commissariat à l’Énergie Atomique (CEA)– Institute of Research into the Fundamental Laws of the Universe (IRFU)/CNRS/Université Paris Diderot, Service d’Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France
| | - F. Piron
- Laboratoire de Physique Théorique et Astroparticules, Université Montpellier 2, CNRS/IN2P3, Montpellier, France
| | - T. A. Porter
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - S. Rainò
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - R. Rando
- INFN, Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica “G. Galilei,” Università di Padova, I-35131 Padova, Italy
| | - P. S. Ray
- Space Science Division, Naval Research Laboratory, Washington, DC 20375, USA
| | - M. Razzano
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - A. Reimer
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
- Institut für Astro- und Teilchenphysik and Institut für Theoretische Physik, Leopold-Franzens-Universität Innsbruck, A-6020 Innsbruck, Austria
| | - O. Reimer
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
- Institut für Astro- und Teilchenphysik and Institut für Theoretische Physik, Leopold-Franzens-Universität Innsbruck, A-6020 Innsbruck, Austria
| | - T. Reposeur
- Université Bordeaux 1, CNRS/IN2p3, Centre d’Études Nucléaires de Bordeaux Gradignan, 33175 Gradignan, France
| | - S. Ritz
- Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, USA
| | - R. W. Romani
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - H. F.-W. Sadrozinski
- Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, USA
| | - D. Sanchez
- Laboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, France
| | - P. M. Saz Parkinson
- Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, USA
| | - J. D. Scargle
- Space Sciences Division, NASA Ames Research Center, Moffett Field, CA 94035–1000, USA
| | - T. L. Schalk
- Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, USA
| | - C. Sgrò
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - E. J. Siskind
- NYCB Real-Time Computing, Lattingtown, NY 11560–1025, USA
| | - P. D. Smith
- Department of Physics, Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210, USA
| | - G. Spandre
- Istituto Nazionale di Fisica Nucleare (INFN), Sezione di Pisa, I-56127 Pisa, Italy
| | - P. Spinelli
- Dipartimento di Fisica “M. Merlin” dell’Università e del Politecnico di Bari, I-70126 Bari, Italy
- INFN, Sezione di Bari, 70126 Bari, Italy
| | - M. S. Strickman
- Space Science Division, Naval Research Laboratory, Washington, DC 20375, USA
| | - D. J. Suson
- Department of Chemistry and Physics, Purdue University Calumet, Hammond, IN 46323–2094, USA
| | - H. Takahashi
- Hiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - T. Takahashi
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA), 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan
| | - T. Tanaka
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - J. B. Thayer
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - D. J. Thompson
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - L. Tibaldo
- Laboratoire AIM, Commissariat à l’Énergie Atomique (CEA)– Institute of Research into the Fundamental Laws of the Universe (IRFU)/CNRS/Université Paris Diderot, Service d’Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France
- INFN, Sezione di Padova, I-35131 Padova, Italy
- Dipartimento di Fisica “G. Galilei,” Università di Padova, I-35131 Padova, Italy
| | - D. F. Torres
- Institut de Ciencies de l’Espai, Institut d’Estudis Espacials de Catalunya–Consejo Superior de Investigaciones Científicas (IEEC-CSIC), Campus UAB, 08193 Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - G. Tosti
- INFN, Sezione di Perugia, I-06123 Perugia, Italy
- Dipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, Italy
| | - A. Tramacere
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
- Consorzio Interuniversitario per la Fisica Spaziale (CIFS), I-10133 Torino, Italy
- INTEGRAL Science Data Centre, CH-1290 Versoix, Switzerland
| | - E. Troja
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
| | - Y. Uchiyama
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - J. Vandenbroucke
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - V. Vasileiou
- Center for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
- Department of Physics and Center for Space Sciences and Technology, University of Maryland Baltimore County, Baltimore, MD 21250, USA
| | - G. Vianello
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
- Consorzio Interuniversitario per la Fisica Spaziale (CIFS), I-10133 Torino, Italy
| | - V. Vitale
- INFN, Sezione di Roma “Tor Vergata,” I-00133 Roma, Italy
- Dipartimento di Fisica, Università di Roma “Tor Vergata,” I-00133 Roma, Italy
| | - P. Wang
- W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, USA
| | - K. S. Wood
- Space Science Division, Naval Research Laboratory, Washington, DC 20375, USA
| | - Z. Yang
- Department of Physics, Stockholm University, AlbaNova, SE-106 91 Stockholm, Sweden
- The Oskar Klein Centre for Cosmoparticle Physics, AlbaNova, SE-106 91 Stockholm, Sweden
| | - M. Ziegler
- Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, USA
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