Protons in near earth orbit

被引:199
作者
Alcaraz, J [1 ]
Alvisi, D
Alpat, B
Ambrosi, G
Anderhub, H
Ao, L
Arefiev, A
Azzarello, P
Babucci, E
Baldini, L
Basile, M
Barancourt, D
Barao, F
Barbier, G
Barreira, G
Battiston, R
Becker, R
Becker, U
Bellagamba, L
Béné, P
Berdugo, J
Berges, P
Bertucci, B
Biland, A
Bizzaglia, S
Blasko, S
Boella, G
Boschini, M
Bourquin, M
Bruni, G
Buenerd, M
Burger, JD
Burger, WJ
Cai, XD
Cavalletti, R
Camps, C
Cannarsa, P
Capell, M
Casadei, D
Casaus, J
Castellini, G
Chang, YH
Chen, HF
Chen, HS
Chen, ZG
Chernoplekov, NA
Chiarini, A
Chiueh, TH
Chuang, YL
Cindolo, F
机构
[1] CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain
[2] Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany
[3] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany
[4] Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France
[5] Louisiana State Univ, Baton Rouge, LA 70803 USA
[6] Johns Hopkins Univ, Baltimore, MD 21218 USA
[7] Chinese Acad Sci, Ctr Space Sci & Applicat, Beijing 100080, Peoples R China
[8] Chinese Acad Launching Vehicle Technol, CALT, Beijing 100076, Peoples R China
[9] Chinese Acad Sci, IEE, Inst Elect Engn, Beijing 100080, Peoples R China
[10] Chinese Acad Sci, IHEP, Inst High Energy Phys, Beijing 100039, Peoples R China
[11] Univ Bologna, I-40126 Bologna, Italy
[12] Ist Nazl Fis Nucl, Sezione Bologna, I-40126 Bologna, Italy
[13] Politech Univ Bucarest, Inst Microtechnol, R-76900 Bucharest, Romania
[14] Univ Bucharest, R-76900 Bucharest, Romania
[15] MIT, Cambridge, MA 02139 USA
[16] Natl Cent Univ, Chungli 32054, Taiwan
[17] LIP, Lab Instrumentacao & Fis Expt Particulas, P-3000 Coimbra, Portugal
[18] Univ Maryland, College Pk, MD 20742 USA
[19] Ist Nazl Fis Nucl, Sezione Firenze, I-50125 Florence, Italy
[20] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany
[21] Univ Geneva, CH-1211 Geneva 4, Switzerland
[22] Univ Grenoble 1, Inst Sci Nucl, F-38026 St Martin Dheres, France
[23] Univ Sci & Technol China, USTC, Hefei 230029, Anhui, Peoples R China
[24] Helsinki Univ Technol, FIN-02540 Kylmala, Finland
[25] Inst Super Tecn, P-1096 Lisbon, Portugal
[26] LIP, Lab Instrumentacao & Fis Expt Particulas, P-1000 Lisbon, Portugal
[27] Chung Shan Inst Sci & Technol, Tao Yuan 11529, Taiwan
[28] Ist Nazl Fis Nucl, Sezione Milano, I-20133 Milan, Italy
[29] IV Kurchatov Atom Energy Inst, Moscow 123182, Russia
[30] Inst Theoret & Expt Phys, Moscow 117259, Russia
[31] Univ Perugia, I-06100 Perugia, Italy
[32] Ist Nazl Fis Nucl, Sezione Perugia, Perugia, Italy
[33] Acad Sinica, Taipei 115, Taiwan
[34] Kyungpook Natl Univ, Taegu 702701, South Korea
[35] Turku Univ, FIN-20014 Turku, Finland
[36] ETH Zurich, CH-8093 Zurich, Switzerland
[37] Univ Bucharest, HEPPG, Bucharest, Romania
[38] Inst Phys Nucl, St Petersburg, Russia
关键词
D O I
10.1016/S0370-2693(99)01427-6
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The proton spectrum in the kinetic energy range 0.1 to 200 GeV was measured by the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 at an altitude of 380 km. Above the geomagnetic cutoff the observed spectrum is parameterized by a power law. Below the geomagnetic cutoff a substantial second spectrum was observed concentrated at equatorial latitudes with a flux similar to 70m(-2) s(-1) sr(-1). Most of these second spectrum protons follow a complicated trajectory and originate from a restricted geographic region. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:215 / 226
页数:12
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