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

Aguilar, M.; Cavasonza, L. Ali; Allen, Matthew S.; Alpat, B.; Ambrosi, G.; Arruda, L.; Attig, N.; Barão, F.; Barrin, L.; Bartoloni, Alessandro; Pree, Seth; Battiston, R.; Behlmann, M.; Beischer, B.; Berdugo, J.; Bertucci, B.; Bindi, V.; Boer, W. De; Bollweg, K.; Borgia, B.; Boschini, M.; Bourquin, M.; Bueno, E. F.; Burger, J. D.; Burger, W. J.; Burmeister, Sönke; Cai, Xudong; Capell, M.; Casaus, J.; Castellini, G.; Cervelli, F.; Chang, Y. H.; Chen, G. M.; Chen, G. R.; Chen, H. S.; Chen, Y.; Cheng, Lin; Chou, H. Y.; Chouridou, S.; Choutko, V.; Chung, C. H.; Clark, C. H. Douglas; Coignet, G.; Consolandi, C.; Contin, A.; Corti, C.; Cui, Z.; Dadzie, K.; Delgado, C.; Torre, S. Della; Demirköz, B.; Derome, L.; Falco, S. Di; Felice, V. Di; Díaz, C.; Dimiccoli, F.; Doetinchem, P. von; Dong, Fang; Donnini, F.; Duranti, M.; Egorov, A.; Eline, A.; Feng, J. H.; Fiandrini, E.; Fisher, P. H.; Formato, V.; Freeman, C.; Galaktionov, Yu.; Gámez, C.; García-López, R. J.; Gargiulo, C.; Gast, H.; Gervasi, M.; Giovacchini, F.; Gómez-Coral, D. M.; Gong, J.; Goy, C.; Grabski, V.; Grandi, D.; Graziani, M.; Haino, S.; Han, K.; Hashmani, R. K.; He, Z. H.; Heber, B.; Hsieh, Timothy H.; Hu, Jiayu; Incagli, M.; Jang, W. Y.; Jia, Yi; Jinchi, H.; Kanishev, K.; Khiali, B.; Kim, G. N.; Kirn, T.; Konyushikhin, M.; Kounina, O.; Kounine, A.; Koutsenko, V.; Kuhlman, Andrew; Kulemzin, A.; Vacca, G. La; Laudi, E.; Laurenti, G.; Lazzizzera, I.; Lebedev, A.; Lee, H. T.; Lee, S. C.; Li, J. Q.; Li, M.; Li, Q.; Li, S.; Li, J. H.; Li, Z. H.; Liang, Juncheng; Light, Christopher; Lin, Chao-Hung; Lippert, Th.; Liu, J. H.; Liu, Z.; Lu, S. Q.; Lu, Yao; Luebelsmeyer, K.; Luo, Junzhou; Luo, Xi; Lyu, Shaoyu; Machate, F.; Mañá, C.; Marín, J.; Marquardt, J.; Martin, Thierry; Martínez, G.; Masi, N.; Maurin, D.; Menchaca‐Rocha, A.; Meng, Qiao; Михайлов, В. В.; Mo, Dong-Chuan; Molero, M.; Mott, P. H.; Mussolin, L.; Negrete, J. D.; Nikonov, N.; Nozzoli, F.; Oliva, A.; Orcinha, M.; Palermo, M.; Palmonari, F.; Paniccia, M.; Pashnin, A.; Pauluzzi, M.; Pensotti, S.; Phan, H. D.; Piandani, R.; Plyaskin, V.; Poluianov, Stepan; Qin, X.; Qu, Z. Y.; Quadrani, L.; Rancoita, P. G.; Rapin, D.; Conde, A.; Robyn, E.; Rosier‐Lees, S.; Rozhkov, A.; Rozza, D.; Sagdeev, R. Z.; Schael, S.; Dratzig, A. Schulz von; Schwering, G.; Seo, E. S.; Shakfa, Z.; Shan, B. S.; Siedenburg, T.; Solano, C.; Song, Jiwei; Song, Xiaojian; Sonnabend, R.; Strigari, Lidia; Su, T.; Sun, Qiang; Sun, Z. T.; Tacconi, M.; Tang, X.; Tang, Zhicheng; Tian, Jie; Ting, Samuel C.C.; Ting, S. M.; Tomassetti, Nicola; Torsti, J.; Tüysüz, Cenk; Urban, T.; Usoskin, Ilya; Vagelli, V.; Vainio, Rami; Valencia-Otero, M.; Valente, E.; Валтонен, Э.; Acosta, Mónica Vázquez; Vecchi, M.; Velasco, Mayda; Vialle, J. P.; Wang, C. X.; Wang, L.; Wang, L. Q.; Wang, N. H.; Wang, Q. L.; Wang, S.; Wang, X.; Wang, Yu; Wang, Z. M.; Wei, Jiahui; Weng, Z.; Wu, H. R.; Xiong, R. Q.; Xu, W.; Yan, Qi; Yang, Y.; Yashin, I. I.; Han, Yi; Yu, Yangyi; Yu, Zhao-Huan; Zannoni, M.; Zhang, C.; Zhang, F.; Zhang, F. Z.; Zhang, J. H.; Zhang, Z.; Zhao, Fengyi; Zheng, C.; Zheng, Z. M.; Zhuang, H. L.; Жуков, В.; Zichichi, A.; Zimmermann, N.; Zuccon, P.

doi:10.1103/physrevlett.126.041104

Cited by 85 publications

(78 citation statements)

References 56 publications

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“…4, the contributions of the primary component increases with rigidity. The same dependence was also observed for the spectra of nitrogen Φ N [2] and sodium Φ Na [13].…”

Section: Pos(icrc2021)110supporting

confidence: 77%

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Properties of Cosmic Aluminum Nuclei: Results from the Alpha Magnetic Spectrometer

Liu¹,

Paniccia²,

Zhang³

2021

Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021)

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We report the properties of aluminum (Al) nuclei in cosmic rays measured in the rigidity range 2.15 GV to 3.0 TV with 0.51 million nuclei collected by the Alpha Magnetic Spectrometer experiment on the International Space Station. We observed that above 6 GV the Al spectrum is well described by the weighted sum of the silicon spectrum (primary cosmic rays) and the fluorine spectrum (secondary cosmic rays). The fraction of the primary component increases with rigidity and becomes dominant at highest rigidities. Al/Si abundance ratio at the source is determined independent of cosmic ray propagation.

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“…4, the contributions of the primary component increases with rigidity. The same dependence was also observed for the spectra of nitrogen Φ N [2] and sodium Φ Na [13].…”

Section: Pos(icrc2021)110supporting

confidence: 77%

“…Further information on the performance of the rigidity and charge measurements, and the Monte-Carlo (MC) simulations, the flux analysis procedure including the event selection, background subtraction, bin-to-bin migration correction, and study of the systematic uncertainties are detailed in Refs. [13].…”

Section: Ams-02 Detector and Analysismentioning

confidence: 99%

Properties of Cosmic Aluminum Nuclei: Results from the Alpha Magnetic Spectrometer

Liu¹,

Paniccia²,

Zhang³

2021

Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021)

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“…In comparison with other recent experiments, CALET iron spectrum is consistent with ATIC 02 [36] and TRACER [37] at low energy and with CRN [43] and HESS [41] at high energy, but differs in the absolute normalization with NUCLEON (lower) and Sanriku [40] (higher). CALET and AMS-02 [44] iron spectra have a very similar shape and comparable errors, but differ in the absolute normalization of the flux by ∼ 20% as shown in Fig. 7.…”

Section: Flux Measurementmentioning

confidence: 71%

“…Figure 7: Iron flux (with multiplicative factor E 2.7 ) measured by CALET (red points) with 4 bins/decade, multiplied by 1.20for comparison with the AMS-02 results[44]. The error bars of CALET data are the quadrature sum of statistical and systematic uncertainties.…”

mentioning

confidence: 99%

Measurement of the iron spectrum with CALET on the International Space Station

Stolzi¹,

Checchia²,

Akaike³

2021

Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021)

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“…Charge measurements on tracker L1, the inner tracker (L2-L8), the upper TOF, and, for R≥1.2 TV, the lower TOF, and tracker L9 are required to be compatible with charge Z=26. Details of the Iron flux analysis procedure and particularly the studies of the systematic errors can be found in [3].…”

Section: Ams-02 Detector and Analysismentioning

confidence: 99%