Precision Measurement of the ($e^+ + e^−$) Flux in Primary Cosmic Rays from 0.5 GeV to 1 TeV with the Alpha Magnetic Spectrometer on the International Space Station

We present a measurement of the cosmic ray ($e^+ + e^−$) flux in the range 0.5 GeV to 1 TeV based on the analysis of 10.6 million ($e^+ + e^−$) events collected by AMS. The statistics and the resolution of AMS provide a precision measurement of the flux. The flux is smooth and reveals new and distin...

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Detalles Bibliográficos
Autores principales: Aguilar, M, Aisa, D, Alpat, B, Alvino, A, Ambrosi, G, Andeen, K, Arruda, L, Attig, N, Azzarello, P, Bachlechner, A, Barao, F, Barrau, A, Barrin, L, Bartoloni, A, Basara, L, Battarbee, M, Battiston, R, Bazo, J, Becker, U, Behlmann, M, Beischer, B, Berdugo, J, Bertucci, B, Bigongiari, G, Bindi, V, Bizzaglia, S, Bizzarri, M, Boella, G, de Boer, W, Bollweg, K, Bonnivard, V, Borgia, B, Borsini, S, Boschini, M J, Bourquin, M, Burger, J, Cadoux, F, Cai, X D, Capell, M, Caroff, S, Casaus, J, Cascioli, V, Castellini, G, Cernuda, I, Cervelli, F, Chae, M J, Chang, Y H, Chen, A I, Chen, H, Cheng, G M, Chen, H S, Cheng, L, Chikanian, A, Chou, H Y, Choumilov, E, Choutko, V, Chung, C H, Clark, C, Clavero, R, Coignet, G, Consolandi, C, Contin, A, Corti, C, Coste, B, Crispoltoni, M, Cui, Z, Dai, M, Delgado, C, Della Torre, S, Demirköz, M B, Derome, L, Di Falco, S, Di Masso, L, Dimiccoli, F, Díaz, C, von Doetinchem, P, Donnini, F, Du, W J, Duranti, M, D’Urso, D, Eline, A, Eppling, F J, Eronen, T, Fan, Y Y, Farnesini, L, Feng, J, Fiandrini, E, Fiasson, A, Finch, E, Fisher, P, Galaktionov, Y, Gallucci, G, García, B, García-López, R, Gargiulo, C, Gast, H, Gebauer, I, Gervasi, M, Ghelfi, A, Gillard, W, Giovacchini, F, Goglov, P, Gong, J, Goy, C, Grabski, V, Grandi, D, Graziani, M, Guandalini, C, Guerri, I, Guo, K H, Habiby, M, Haino, S, Han, K C, He, Z H, Heil, M, Hoffman, J, Hsieh, T H, Huang, Z C, Huh, C, Incagli, M, Ionica, M, Jang, W Y, Jinchi, H, Kanishev, K, Kim, G N, Kim, K S, Kirn, Th, Kossakowski, R, Kounina, O, Kounine, A, Koutsenko, V, Krafczyk, M S, Kunz, S, La Vacca, G, Laudi, E, Laurenti, G, Lazzizzera, I, Lebedev, A, Lee, H T, Lee, S C, Leluc, C, Li, H L, Li, J Q, Li, Q, Li, T X, Li, W, Li, Y, Li, Z H, Li, Z Y, Lim, S, Lin, C H, Lipari, P, Lippert, T, Liu, D, Liu, H, Lomtadze, T, Lu, M J, Lu, Y S, Luebelsmeyer, K, Luo, F, Luo, J Z, Lv, S S, Majka, R, Malinin, A, Mañá, C, Marín, J, Martin, T, Martínez, G, Masi, N, Maurin, D, Menchaca-Rocha, A, Meng, Q, Mo, D C, Morescalchi, L, Mott, P, Müller, M, Ni, J Q, Nikonov, N, Nozzoli, F, Nunes, P, Obermeier, A, Oliva, A, Orcinha, M, Palmonari, F, Palomares, C, Paniccia, M, Papi, A, Pauluzzi, M, Pedreschi, E, Pensotti, S, Pereira, R, Pilo, F, Piluso, A, Pizzolotto, C, Plyaskin, V, Pohl, M, Poireau, V, Postaci, E, Putze, A, Quadrani, L, Qi, X M, Räihä, T, Rancoita, P G, Rapin, D, Ricol, J S, Rodríguez, I, Rosier-Lees, S, Rozhkov, A, Rozza, D, Sagdeev, R, Sandweiss, J, Saouter, P, Sbarra, C, Schael, S, Schmidt, S M, Schuckardt, D, Schulz von Dratzig, A, Schwering, G, Scolieri, G, Seo, E S, Shan, B S, Shan, Y H, Shi, J Y, Shi, X Y, Shi, Y M, Siedenburg, T, Son, D, Spada, F, Spinella, F, Sun, W, Sun, W H, Tacconi, M, Tang, C P, Tang, X W, Tang, Z C, Tao, L, Tescaro, D, Ting, Samuel C C, Ting, S M, Tomassetti, N, Torsti, J, Türkoğlu, C, Urban, T, Vagelli, V, Valente, E, Vannini, C, Valtonen, E, Vaurynovich, S, Vecchi, M, Velasco, M, Vialle, J P, Wang, L Q, Wang, Q L, Wang, R S, Wang, X, Wang, Z X, Weng, Z L, Whitman, K, Wienkenhöver, J, Wu, H, Xia, X, Xie, M, Xie, S, Xiong, R Q, Xin, G M, Xu, N S, Xu, W, Yan, Q, Yang, J, Yang, M, Ye, Q H, Yi, H, Yu, Y J, Yu, Z Q, Zeissler, S, Zhang, J H, Zhang, M T, Zhang, X B, Zhang, Z, Zheng, Z M, Zhuang, H L, Zhukov, V, Zichichi, A, Zimmermann, N, Zuccon, P, Zurbach, C
Lenguaje:eng
Publicado: 2014
Materias:
Particle Physics - Experiment
Astrophysics and Astronomy
Acceso en línea:https://dx.doi.org/10.1103/PhysRevLett.113.221102
http://cds.cern.ch/record/1973597
Descripción
Sumario:We present a measurement of the cosmic ray ($e^+ + e^−$) flux in the range 0.5 GeV to 1 TeV based on the analysis of 10.6 million ($e^+ + e^−$) events collected by AMS. The statistics and the resolution of AMS provide a precision measurement of the flux. The flux is smooth and reveals new and distinct information. Above 30.2 GeV, the flux can be described by a single power law with a spectral index γ=−3.170±0.008(stat+syst)±0.008(energy scale).

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