High Statistics Measurement of the Positron Fraction in Primary Cosmic Rays of 0.5-500 GeV with the Alpha Magnetic Spectrometer on the International Space Station

被引：466

作者：

Accardo, L. ^{[40
]}

Aguilar, M. ^{[30
]}

Aisa, D. ^{[40
,41
]}

Alpat, B. ^{[40
]}

Alvino, A. ^{[40
]}

Ambrosi, G. ^{[40
]}

Andeen, K. ^{[26
]}

Arruda, L. ^{[28
]}

Attig, N. ^{[24
,25
]}

Azzarello, P. ^{[18
,40
]}

Bachlechner, A. ^{[1
,2
]}

Barao, F. ^{[28
]}

Barrau, A. ^{[19
]}

Barrin, L. ^{[17
]}

Bartoloni, A. ^{[46
]}

Basara, L. ^{[4
,5
,44
,45
]}

Battarbee, M. ^{[52
]}

Battiston, R. ^{[44
,45
]}

Bazo, J. ^{[40
]}

Becker, U. ^{[11
]}

Behlmann, M. ^{[11
]}

Beischer, B. ^{[1
,2
]}

Berdugo, J. ^{[30
]}

Bertucci, B. ^{[40
,41
]}

Bigongiari, G. ^{[42
,43
]}

Bindi, V. ^{[21
]}

Bizzaglia, S. ^{[40
]}

Bizzarri, M. ^{[40
,41
]}

Boella, G. ^{[34
,35
]}

de Boer, W. ^{[26
]}

Bollweg, K. ^{[22
,23
]}

Bonnivard, V. ^{[19
]}

Borgia, B. ^{[46
,47
]}

Borsini, S. ^{[40
]}

Boschini, M. J. ^{[34
]}

Bourquin, M. ^{[18
]}

Burger, J. ^{[11
]}

Cadoux, F. ^{[18
]}

Cai, X. D. ^{[11
]}

Capell, M. ^{[11
]}

Caroff, S. ^{[4
,5
]}

Carosi, G. ^{[11
]}

Casaus, J. ^{[30
]}

Cascioli, V. ^{[40
]}

Castellini, G. ^{[16
]}

Cernuda, I. ^{[30
]}

Cerreta, D. ^{[40
,41
]}

Cervelli, F. ^{[42
]}

Chae, M. J. ^{[48
]}

Chang, Y. H. ^{[12
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Phys, D-52056 Aachen, Germany

[2] Rhein Westfal TH Aachen, JARA FAME, D-52056 Aachen, Germany

[3] METU, Dept Phys, TR-06800 Ankara, Turkey

[4] CNRS, IN2P3, LAPP, Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France

[5] Univ Savoie, F-74941 Annecy Le Vieux, France

[6] Beihang Univ, BUAA, Beijing 100191, Peoples R China

[7] Chinese Acad Sci, IEE, Beijing 100080, Peoples R China

[8] Chinese Acad Sci, IHEP, Beijing 100039, Peoples R China

[9] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy

[10] Univ Bologna, I-40126 Bologna, Italy

[11] MIT, Cambridge, MA 02139 USA

[12] NCU, Taoyuan 32054, Taiwan

[13] Univ Maryland, East West Ctr Space Sci, College Pk, MD 20742 USA

[14] Univ Maryland, IPST, College Pk, MD 20742 USA

[15] Kyungpook Natl Univ, CHEP, Taegu 702701, South Korea

[16] CNR, IROE, I-50125 Florence, Italy

[17] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland

[18] Univ Geneva, DPNC, CH-1211 Geneva 4, Switzerland

[19] Univ Grenoble Alpes, LPSC, F-38026 Grenoble, France

[20] SYSU, Guangzhou 510275, Guangdong, Peoples R China

[21] Univ Hawaii, Phys & Astron Dept, Honolulu, HI 96822 USA

[22] NASA, Johnson Space Ctr, Houston, TX 77058 USA

[23] Jacobs Sverdrup, Houston, TX 77058 USA

[24] Julich Supercomp Ctr, D-52425 Julich, Germany

[25] Res Ctr Julich, JARA FAME, D-52425 Julich, Germany

[26] KIT, Inst Expt Kernphys, D-76128 Karlsruhe, Germany

[27] IAC, E-38205 Tenerife, Spain

[28] LIP, Lab Instrumentacao & Fis Expt Particulas, P-1000 Lisbon, Portugal

[29] NCSIST, Taoyuan 325, Taiwan

[30] CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain

[31] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico

[32] Ist Nazl Fis Nucl, Sez Milano, I-20090 Milan, Italy

[33] Univ Milan, I-20090 Milan, Italy

[34] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy

[35] Univ Milano Bicocca, I-20126 Milan, Italy

[36] CNRS, IN2P3, LUPM, F-34095 Montpellier, France

[37] Univ Montpellier 2, F-34095 Montpellier, France

[38] Southeast Univ, SEU, Nanjing 210096, Jiangsu, Peoples R China

[39] Yale Univ, Phys Dept, New Haven, CT 06520 USA

[40] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy

[41] Univ Perugia, I-06100 Perugia, Italy

[42] Ist Nazl Fis Nucl, Sez Pisa, I-56100 Pisa, Italy

[43] Univ Pisa, I-56100 Pisa, Italy

[44] Ist Nazl Fis Nucl, TIFPA, I-38123 Povo, Trento, Italy

[45] Univ Trento, I-38123 Povo, Trento, Italy

[46] Ist Nazl Fis Nucl, Sez Roma 1, I-00185 Rome, Italy

[47] Univ Roma La Sapienza, I-00185 Rome, Italy

[48] Ewha Womans Univ, Dept Phys, Seoul 120750, South Korea

[49] Shandong Univ, SDU, Jinan 250100, Shandong, Peoples R China

[50] Shanghai Jiao Tong Univ, SJTU, Shanghai 200030, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 113卷 / 12期

基金：

瑞士国家科学基金会;

关键词：

TIME-OF-FLIGHT; FAST TRIGGER; DARK-MATTER; AMS-02; TRD; DETECTOR; PROTOTYPE; ELECTRONS; SPECTRUM; MODELS; ORIGIN;

D O I：

10.1103/PhysRevLett.113.121101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A precision measurement by AMS of the positron fraction in primary cosmic rays in the energy range from 0.5 to 500 GeV based on 10.9 million positron and electron events is presented. This measurement extends the energy range of our previous observation and increases its precision. The new results show, for the first time, that above similar to 200 GeV the positron fraction no longer exhibits an increase with energy.

引用

页数：9

共 60 条

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Ackermann, M.
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Digel, S. W.
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Favuzzi, C.
Fegan, S. J.
Ferrara, E. C.
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Fortin, P.
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Funk, S.
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Gargano, F.
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Cervelli, F.
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Chen, G. M.
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Cougoulat, G.
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Dubois, J. M.
Elles, S.
Falchini, E.
Fiasson, A.
Fougeron, D.
Fouque, N.
Galeotti, S.
Gallucci, G.
Gherarducci, F.
Girard, L.
Giuseppe, F.
Goy, C.
Hermel, R.
Incagli, M.
Jacquemier, J.
Journet, L.
Kossakowski, R.
Lepareur, V.
Li, Z. H.
Lieunard, B.
Lomtadze, T.
Lu, Y. S.
Maestro, P.
Magazzu, C.
Maire, M.
Orsini, A.
Paniccia, M.
Pedreschi, E.
Peltier, F.
Piendibene, M.
Pilo, F.
Pochon, J.
Rambure, T.
Rosier-Lees, S.
Spinella, F.
Tang, X. W.
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Berges, P.
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Biland, A.
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Bizzaglia, S.
Boella, G.
de Boer, W.
Bollweg, K.
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Borsini, S.
Boschini, M. J.
Boudoul, G.
Bourquin, M.
Brun, P.
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← 1 2 3 4 5 6 →

共 60 条

[1] Measurement of Separate Cosmic-Ray Electron and Positron Spectra with the Fermi Large Area Telescope
Ackermann, M.
Ajello, M.
Allafort, A.
Atwood, W. B.
Baldini, L.
Barbiellini, G.
Bastieri, D.
Bechtol, K.
Bellazzini, R.
Berenji, B.
Blandford, R. D.
Bloom, E. D.
Bonamente, E.
Borgland, A. W.
Bouvier, A.
Bregeon, J.
Brigida, M.
Bruel, P.
Buehler, R.
Buson, S.
Caliandro, G. A.
Cameron, R. A.
Caraveo, P. A.
Casandjian, J. M.
Cecchi, C.
Charles, E.
Chekhtman, A.
Cheung, C. C.
Chiang, J.
Ciprini, S.
Claus, R.
Cohen-Tanugi, J.
Conrad, J.
Cutini, S.
de Angelis, A.
de Palma, F.
Dermer, C. D.
Digel, S. W.
do Couto e Silva, E.
Drell, P. S.
Drlica-Wagner, A.
Favuzzi, C.
Fegan, S. J.
Ferrara, E. C.
Focke, W. B.
Fortin, P.
Fukazawa, Y.
Funk, S.
Fusco, P.
Gargano, F.
[J]. PHYSICAL REVIEW LETTERS, 2012, 108 (01)
[2] The AMS-02 lead-scintillating fibres Electromagnetic Calorimeter
Adloff, C.
Basara, L.
Bigongiari, G.
Bosi, F.
Brun, P.
Cadoux, F.
Cervelli, F.
Chambert, V.
Chen, G.
Chen, G. M.
Chen, H. S.
Coignet, G.
Cougoulat, G.
Di Falco, S.
Dubois, J. M.
Elles, S.
Falchini, E.
Fiasson, A.
Fougeron, D.
Fouque, N.
Galeotti, S.
Gallucci, G.
Gherarducci, F.
Girard, L.
Giuseppe, F.
Goy, C.
Hermel, R.
Incagli, M.
Jacquemier, J.
Journet, L.
Kossakowski, R.
Lepareur, V.
Li, Z. H.
Lieunard, B.
Lomtadze, T.
Lu, Y. S.
Maestro, P.
Magazzu, C.
Maire, M.
Orsini, A.
Paniccia, M.
Pedreschi, E.
Peltier, F.
Piendibene, M.
Pilo, F.
Pochon, J.
Rambure, T.
Rosier-Lees, S.
Spinella, F.
Tang, X. W.
[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2013, 714 : 147 - 154
[3] Cosmic-Ray Positron Energy Spectrum Measured by PAMELA
Adriani, O.
Barbarino, G. C.
Bazilevskaya, G. A.
Bellotti, R.
Bianco, A.
Boezio, M.
Bogomolov, E. A.
Bongi, M.
Bonvicini, V.
Bottai, S.
Bruno, A.
Cafagna, F.
Campana, D.
Carbone, R.
Carlson, P.
Casolino, M.
Castellini, G.
De Donato, C.
De Santis, C.
De Simone, N.
Di Felice, V.
Formato, V.
Galper, A. M.
Karelin, A. V.
Koldashov, S. V.
Koldobskiy, S. A.
Krutkov, S. Y.
Kvashnin, A. N.
Leonov, A.
Malakhov, V.
Marcelli, L.
Martucci, M.
Mayorov, A. G.
Menn, W.
Merge, M.
Mikhailov, V. V.
Mocchiutti, E.
Monaco, A.
Mori, N.
Munini, R.
Osteria, G.
Palma, F.
Papini, P.
Pearce, M.
Picozza, P.
Pizzolotto, C.
Ricci, M.
Ricciarini, S. B.
Rossetto, L.
Sarkar, R.
[J]. PHYSICAL REVIEW LETTERS, 2013, 111 (08)
[4] A statistical procedure for the identification of positrons in the PAMELA experiment
Adriani, O.
Barbarino, G. C.
Bazilevskaya, G. A.
Bellotti, R.
Boezio, M.
Bogomolov, E. A.
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