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

来源：

PHYSICS LETTERS B | 2000年 / 472卷 / 1-2期

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

页码：215 / 226

页数：12

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