Leptons in near earth orbit

被引：266

作者：

Alcaraz, J ^{[1
]}

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, C

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

Brocco, L

Bruni, G

Buenerd, M

Burger, JD

Burger, WJ

Cai, XD

Camps, C

Cannarsa, P

Capell, M

Casadei, D

Casaus, J

Castellini, G

Cecchi, C

Chang, YH

Chen, HF

Chen, HS

Chen, ZG

Chernoplekov, NA

Chiueh, TH

Chuang, YL

Cindolo, F

Commichau, V

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] RWTH Aachen, Inst Phys 3, D-52056 Aachen, Germany

[4] Lab Annecy Le Vieux Phys Particules, LAPP, 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, Inst Elect Engn, IEE, 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 Bucharest, 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] Inst Sci Nucl, F-38026 Grenoble, France

[23] USTC, Chinese Univ Sci & Technol, 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 325, 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, Inst Theoret & Expt Phys, Moscow 117259, Russia

[31] Ist Nazl Fis Nucl, Sezione Perugia, I-06100 Perugia, Italy

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

[33] Acad Sinica, Taipei 11529, Taiwan

[34] Kyungpook Natl Univ, Taegu 702701, South Korea

[35] Univ Turku, FIN-20014 Turku, Finland

[36] ETH Zurich, CH-8093 Zurich, Switzerland

来源：

PHYSICS LETTERS B | 2000年 / 484卷 / 1-2期

关键词：

D O I：

10.1016/S0370-2693(00)00588-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The lepton spectra in the kinetic energy ranges 0.2 to 40 GeV for e(-) and 0.2 to 3 GeV for e(+) were measured by the Alpha Magnetic Spectrometer (AMS) during space shuttle flight STS-91 at altitudes near 380 km. From the origin of the leptons two distinct spectra were observed: a higher energy spectrum and a substantial second spectrum with positrons much more abundant than electrons. Tracing leptons from the second spectra shows that most of these leptons travel for an extended period of time in the geomagnetic field and that the e(+) and e(-) originate from two complementary geographic regions. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：10 / 22

页数：13

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