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Properties of Iron Primary Cosmic Rays: Results from the Alpha Magnetic Spectrometer




TekijätAguilar M, Cavasonza LA, Allen MS, Alpat B, Ambrosi G, Arruda L, Attig N, Barao F, Barrin L, Bartoloni A, Basegmez-du Pree S, Battiston R, Behlmann M, Beischer B, Berdugo J, Bertucci B, Bindi V, de Boer W, Bollweg K, Borgia B, Boschini MJ, Bourquin M, Bueno EF, Burger J, Burger WJ, Burmeister S, Cai XD, Capell M, Casaus J, Castellini G, Cervelli F, Chang YH, Chen GM, Chen GR, Chen HS, Chen Y, Cheng L, Chou HY, Chouridou S, Choutko V, Chung CH, Clark C, Coignet G, Consolandi C, Contin A, Corti C, Cui Z, Dadzie K, Delgado C, Della Torre S, Demirkoz MB, Derome L, Di Falco S, Di Felice V, Diaz C, Dimiccoli F, von Doetinchem P, Dong F, Donnini F, Duranti M, Egorov A, Eline A, Feng J, Fiandrini E, Fisher P, Formato V, Freeman C, Galaktionov Y, Gamez C, Garcia-Lopez RJ, Gargiulo C, Gast H, Gervasi M, Giovacchini F, Gomez-Coral DM, Gong J, Goy C, Grabski V, Grandi D, Graziani M, Haino S, Han KC, Hashmani RK, He ZH, Heber B, Hsieh TH, Hu JY, Incagli M, Jang WY, Jia Y, Jinchi H, Kanishev K, Khiali B, Kim GN, Kirn T, Konyushikhin M, Kounina O, Kounine A, Koutsenko V, Kuhlman A, Kulemzin A, La Vacca G, Laudi E, Laurenti G, Lazzizzera I, Lebedev A, Lee HT, Lee SC, Li JQ, Li M, Li Q, Li S, Li JH, Li ZH, Liang J, Light C, Lin CH, Lippert T, Liu JH, Liu Z, Lu SQ, Lu YS, Luebelsmeyer K, Luo JZ, Luo X, Lyu SS, Machate F, Mana C, Marin J, Marquardt J, Martin T, Martinez G, Masi N, Maurin D, Menchaca-Rocha A, Meng Q, Mikhailov VV, Mo DC, Molero M, Mott P, Mussolin L, Negrete J, Nikonov N, Nozzoli F, Oliva A, Orcinha M, Palermo M, Palmonari F, Paniccia M, Pashnin A, Pauluzzi M, Pensotti S, Phan HD, Piandani R, Plyaskin V, Poluianov S, Qin X, Qu ZY, Quadrani L, Rancoita PG, Rapin D, Conde AR, Robyn E, Rosier-Lees S, Rozhkov A, Rozza D, Sagdeev R, Schael S, von Dratzig AS, Schwering G, Seo ES, Shakfa Z, Shan BS, Siedenburg T, Solano C, Song JW, Song XJ, Sonnabend R, Strigari L, Su T, Sun Q, Sun ZT, Tacconi M, Tang XW, Tang ZC, Tian J, Ting SCC, Ting SM, Tomassetti N, Torsti J, Tuysuz C, Urban T, Usoskin I, Vagelli V, Vainio R, Valencia-Otero M, Valente E, Valtonen E, Acosta MV, Vecchi M, Velasco M, Vialle JP, Wang CX, Wang L, Wang LQ, Wang NH, Wang QL, Wang S, Wang X, Wang Y, Wang ZM, Wei J, Weng ZL, Wu H, Xiong RQ, Xu W, Yan Q, Yang Y, Yashin II, Yi H, Yu YM, Yu ZQ, Zannoni M, Zhang C, Zhang F, Zhang FZ, Zhang JH, Zhang Z, Zhao F, Zheng C, Zheng ZM, Zhuang HL, Zhukov V, Zichichi A, Zimmermann N, Zuccon P, Zuccon P, Zimmermann N, Zichichi A, Zhukov V, Zhuang HL, Zheng ZM, Zheng C, Zhao F, Zhang Z, Zhang JH, Zhang FZ, Zhang F

KustantajaAMER PHYSICAL SOC

Julkaisuvuosi2021

JournalPhysical Review Letters

Tietokannassa oleva lehden nimiPHYSICAL REVIEW LETTERS

Lehden akronyymiPHYS REV LETT

Artikkelin numeroARTN 041104

Vuosikerta126

Numero4

Sivujen määrä8

ISSN0031-9007

eISSN1079-7114

DOIhttps://doi.org/10.1103/PhysRevLett.126.041104

Verkko-osoitehttps://journals.aps.org/prl/abstract/10.1103/PhysRevLett.126.041104

Rinnakkaistallenteen osoitehttps://research.utu.fi/converis/portal/detail/Publication/53417495


Tiivistelmä
We report the observation of new properties of primary iron (Fe) cosmic rays in the rigidity range 2.65 GV to 3.0 TV with 0.62 x 10(6) iron nuclei collected by the Alpha Magnetic Spectrometer experiment on the International Space Station. Above 80.5 GV the rigidity dependence of the cosmic ray Fe flux is identical to the rigidity dependence of the primary cosmic ray He, C, and O fluxes, with the Fe/O flux ratio being constant at 0.155 +/- 0.006. This shows that unexpectedly Fe and He, C, and O belong to the same class of primary cosmic rays which is different from the primary cosmic rays Ne, Mg, and Si class.

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