Search for antihelium in cosmic rays

被引:143
|
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
Battison, R
Becker, R
Becker, U
Bellagamba, L
Béné, P
Berdugo, J
Berges, P
Bertucci, B
Biland, A
Bizzaglia, S
Blasko, S
Boella, G
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, HS
Chen, ZG
Chernoplekov, NA
Chiarini, A
Chiueh, TH
Chuang, YL
Cindolo, F
Commichau, V
Contin, A
机构
[1] CIEMAT, 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, 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 High Energy Phys, Beijing 100080, Peoples R China
[10] Univ Bologna, I-40126 Bologna, Italy
[11] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy
[12] Politech Univ Bucharest, Inst Microbiol, R-76900 Bucharest, Romania
[13] Univ Bucharest, R-76900 Bucharest, Romania
[14] MIT, Cambridge, MA 02139 USA
[15] Natl Cent Univ, Chungli 32054, Taiwan
[16] LIP, Lab Instrumentacao & Fis Expt Particulas, P-3000 Coimbra, Portugal
[17] Univ Maryland, College Pk, MD 20742 USA
[18] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy
[19] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany
[20] Univ Geneva, CH-1211 Geneva 4, Switzerland
[21] Inst Nucl Sci, F-38026 Grenoble, France
[22] Helsinki Univ Technol, FIN-02540 Kylmala, Finland
[23] Inst Super Tecn, P-1096 Lisbon, Portugal
[24] LIP, Lab Instrumentacao & Fis Expt Particulas, P-1000 Lisbon, Portugal
[25] Chung Shan Inst Sci & Technol, Lungtan 11529, Taiwan
[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] Acad Sinica, Taipei 115, Taiwan
[32] Kyungpook Natl Univ, Taegu 702701, South Korea
[33] Univ Turku, FIN-20014 Turku, Finland
[34] ETH Zurich, CH-8093 Zurich, Switzerland
[35] Inst Phys Nucl, St Petersburg, Russia
关键词
D O I
10.1016/S0370-2693(99)00874-6
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Alpha Magnetic Spectrometer (AMS) was flown on the space shuttle Discovery during flight STS-91 in a 51.7 degrees orbit at altitudes between 320 and 390 km. A total of 2.86 X 10(6) helium nuclei were observed in the rigidity range 1 to 140 GV. No antihelium nuclei were detected at any rigidity. An upper limit on the flux ratio of antihelium to helium of < 1.1 X 10(-6) is obtained. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:387 / 396
页数:10
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