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Cosmic-ray positron fraction measurement from 1 to 30 GeV with AMS-01

被引：289
作者：
Aguilar, M.
Alcaraz, J.
Allaby, J.
Alpat, B.
Ambrosi, G.
Anderhub, H.
Ao, L.
Arefiev, A.
Azzarello, P.
Baldini, L.
Basile, M.
Barancourt, D.
Barao, F.
Barbier, G.
Barreira, G.
Battiston, R.
Becker, R.
Becker, U.
Bellagamba, L.
Bene, P.
Berdugo, J.
Berges, R.
Bertucci, B.
Biland, A.
Blasko, S.
Boella, G.
Boschini, M.
Bourquin, M.
Brocco, L.
Bruni, G.
Buenerd, M.
Burger, J. D.
Burger, W. J.
Cai, X. D.
Camps, C.
Cannarsa, P.
Capell, M.
Cardano, F.
Casadei, D.
Casaus, J.
Castellini, G.
Chang, Y. H.
Chen, H. F.
Chen, H. S.
Chen, Z. G.
Chernoplekov, N. A.
Chiueh, T. H.
Cho, K.
Choi, M. J.
Choi, Y. Y.
机构：
[1] Rhein Westfal TH Aachen, Inst Phys 1, D-52074 Aachen, Germany
[2] Rhein Westfal TH Aachen, Inst Phys 3, D-52074 Aachen, Germany
[3] Univ Savoie, CNRS, IN2P3, LAPP, F-74941 Annecy Le Vieux, France
[4] Louisiana State Univ, Baton Rouge, LA 70803 USA
[5] Johns Hopkins Univ, Baltimore, MD 21218 USA
[6] Chinese Acad Sci, Ctr Space Sci & Applicat, Beijing 100080, Peoples R China
[7] CALT, Chinese Acad Launching Vehicle Technol, Beijing 100076, Peoples R China
[8] Chinese Acad Sci, IHEP, Inst High Energy Phys, Beijing 100039, Peoples R China
[9] Politech Univ Bucharest, Inst Microtechnol, R-76900 Bucharest, Romania
[10] Univ Bucharest, R-76900 Bucharest, Romania
[11] MIT, Cambridge, MA 02139 USA
[12] Natl Cent Univ, Chungli 32054, Taiwan
[13] Univ Maryland, College Pk, MD 20742 USA
[14] Kyungpook Natl Univ, CHEP, Taegu 702701, South Korea
[15] CNR, IROE, I-50125 Florence, Italy
[16] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany
[17] CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland
[18] Univ Geneva, CH-1211 Geneva 4, Switzerland
[19] CNRS, IN2P3, Lab Phys Subatom & Cosmol, F-38026 St Martin Dheres, France
[20] Chinese Univ Sci & Technol, USTC, Hefei 230029, Anhui, Peoples R China
[21] Helsinki Univ Technol, FIN-02540 Kylmala, Finland
[22] Inst Super Tecn, P-1096 Lisbon, Portugal
[23] LIP, Lab Instrumentacao & Fis Expt Particulas, P-1000 Lisbon, Portugal
[24] Chung Shan Inst Sci & Technol, Tao Yuan 325, Taiwan
[25] CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain
[26] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy
[27] IV Kurchatov Atom Energy Inst, Moscow 123182, Russia
[28] Inst Theoret & Expt Phys, Moscow 117259, Russia
[29] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy
[30] Univ Perugia, I-06100 Perugia, Italy
[31] Ist Nazl Fis Nucl, Sez Pisa, I-56100 Pisa, Italy
[32] Univ Pisa, I-56100 Pisa, Italy
[33] Ewha Womans Univ, Seoul 120750, South Korea
[34] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[35] Univ Turku, FIN-20014 Turku, Finland
[36] ETH, CH-8093 Zurich, Switzerland
来源：
PHYSICS LETTERS B | 2007年 / 646卷 / 04期
关键词：
D O I：
10.1016/j.physletb.2007.01.024
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A measurement of the cosmic ray positron fraction e(+)/(e(+) + e(-)) in the energy range of 1-30 GeV is presented. The measurement is based on data taken by the AMS-01 experiment during its 10 day Space Shuttle flight in June 1998. A proton background suppression on the order of 10(6) is reached by identifying converted bremsstrahlung photons emitted from positrons. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：145 / 154
页数：10
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