ITA
ENG

Protons in near earth orbit

Authors

Alcaraz, J 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 Bene, 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 Commichau, V Contin, A Cotta-Ramusino, A Crespo, P Cristinziani, M da Cunha, JP Dai, TS Deus, JD Dinu, N Djambazov, L D'Antone, I Dong, ZR Emonet, P Engelberg, J Eppling, FJ Eronen, T Esposito, G Extermann, P Favier, J Feng, CC Fiandrini, E Finelli, F Fisher, PH Flaminio, R Fluegge, G Fouque, N Galaktionov, Y Gervasi, M Giusti, P Grandi, D Gu, WQ Hangarter, K Hasan, A Hermel, V Hofer, H Huang, MA Hungerford, W Ionica, M Ionica, R Jongmanns, M Karlamaa, K Karpinski, W Kenney, G Kenny, J Kim, W Klimentov, A Kossakowski, R Koutsenko, V Laborie, G Laitinen, T Lamanna, G Laurenti, G Lebedev, A Lee, SC Levi, G Levtchenko, P Liu, CL Liu, HT Lolli, M Lopes, I Lu, G Lu, YS Lubelsmeyer, K Luckey, D Lustermann, W Mana, C Margotti, A Massera, F Mayet, F McNeil, RR Meillon, B Menichelli, M Mezzanotte, F Mezzenga, R Mihul, A Molinari, G Mourao, A Mujunen, A Palmonari, F Pancaldi, G Papi, A Park, IH Pauluzzi, M Pauss, F Perrin, E Pesci, A Pevsner, A Pilastrini, R Pimenta, M Plyaskin, V Pojidaev, V Postema, H Postolache, V Prati, E Produit, N Rancoita, PG Rapin, D Raupach, F Recupero, S Ren, D Ren, Z Ribordy, M Richeux, JP Riihonen, E Ritakari, J Roeser, U Roissin, C Sagdeev, R Santos, D Sartorelli, G von Dratzig, AS Schwering, G Seo, ES Shoutko, V Shoumilov, E Siedling, R Son, D Song, T Steuer, M Sun, GS Suter, H Tang, XW Ting, SCC Ting, SM Tornikoski, M Torromeo, G Torsti, J Trumper, J Ulbricht, J Urpo, S Usoskin, I Valtonen, E Vandenhirtz, J Velcea, F Velikhov, E Verlaat, B Vetlitsky, I Vezzu, F Vialle, JP Viertel, G Vite, D Von Gunten, H Wicki, SW Wallraff, W Wang, BC Wang, JZ Wang, YH Wiik, K Williams, C Wu, SX Xia, PC Yan, JL Yan, LG Yang, CG Yang, M Ye, SW Yeh, P Xu, ZZ Zhang, HY Zhang, ZP Zhao, DX Zhu, GY Zhu, WZ Zhuang, HL Zichichi, A

Citation

J. Alcaraz et al., Protons in near earth orbit, PHYS LETT B, 472(1-2), 2000, pp. 215-226

Citations number

Categorie Soggetti

Physics

Journal title

PHYSICS LETTERS B

ISSN journal

03702693 → ACNP

Volume

472

Issue

1-2

Year of publication

2000

Pages

215 - 226

Database

ISI

SICI code

0370-2693(20000113)472:1-2<215:PINEO>2.0.ZU;2-G

Abstract

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-9 1 at an altitude of 380 km. Above the geomagnetic cutoff the observed spect rum is parameterized by a power law. Below the geomagnetic cutoff a substan tial second spectrum was observed concentrated at equatorial latitudes with a flux similar to 70m(-2) s(-1) sr(-1). Most of these second spectrum prot ons follow a complicated trajectory and originate from a restricted geograp hic region. (C) 2000 Published by Elsevier Science B.V. All rights reserved .