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@ARTICLE{Aguilar:909046,
author = {Aguilar, M. and Cavasonza, L. Ali and Ambrosi, G. and
Arruda, L. and Attig, N. and Barao, F. and Barrin, L. and
Bartoloni, A. and Başeğmez-du Pree, S. and Battiston, R.
and Behlmann, M. and Berdugo, J. and Bertucci, B. and Bindi,
V. and Bollweg, K. and Borgia, B. and Boschini, M. J. and
Bourquin, M. and Bueno, E. F. and Burger, J. and Burger, W.
J. and Burmeister, S. and Cai, X. D. and Capell, M. and
Casaus, J. and Castellini, G. and Cervelli, F. and Chang, Y.
H. and Chen, G. M. and Chen, G. R. and Chen, H. S. and Chen,
Y. and Cheng, L. and Chou, H. Y. and Chouridou, S. and
Choutko, V. and Chung, C. H. and Clark, C. and Coignet, G.
and Consolandi, C. and Contin, A. and Corti, C. and Cui, Z.
and Dadzie, K. and Dass, A. and Delgado, C. and Della Torre,
S. and Demirköz, M. B. and Derome, L. and Di Falco, S. and
Di Felice, V. and Díaz, C. and Dimiccoli, F. and von
Doetinchem, P. and Dong, F. and Donnini, F. and Duranti, M.
and Egorov, A. and Eline, A. and Feng, J. and Fiandrini, E.
and Fisher, P. and Formato, V. and Freeman, C. and Gámez,
C. and García-López, R. J. and Gargiulo, C. and Gast, H.
and Gervasi, M. and Giovacchini, F. and Gómez-Coral, D. M.
and Gong, J. and Goy, C. and Grabski, V. and Grandi, D. and
Graziani, M. and Haino, S. and Han, K. C. and Hashmani, R.
K. and He, Z. H. and Heber, B. and Hsieh, T. H. and Hu, J.
Y. and Incagli, M. and Jang, W. Y. and Jia, Yi and Jinchi,
H. and Karagöz, G. and Khiali, B. and Kim, G. N. and Kirn,
Th. and Konyushikhin, M. and Kounina, O. and Kounine, A. and
Koutsenko, V. and Krasnopevtsev, D. and Kuhlman, A. and
Kulemzin, A. and La Vacca, G. and Laudi, E. and Laurenti, G.
and Lazzizzera, I. and Lee, H. T. and Lee, S. C. and Li, H.
L. and Li, J. Q. and Li, M. and Li, Q. and Li, Q. Y. and Li,
S. and Li, S. L. and Li, J. H. and Li, Z. H. and Liang, J.
and Liang, M. J. and Light, C. and Lin, C. H. and Lippert,
T. and Liu, J. H. and Lu, S. Q. and Lu, Y. S. and
Luebelsmeyer, K. and Luo, J. Z. and Luo, Xi and Machate, F.
and Mañá, C. and Marín, J. and Marquardt, J. and Martin,
T. and Martínez, G. and Masi, N. and Maurin, D. and
Medvedeva, T. and Menchaca-Rocha, A. and Meng, Q. and
Mikhailov, V. V. and Molero, M. and Mott, P. and Mussolin,
L. and Negrete, J. and Nikonov, N. and Nozzoli, F. and
Ocampo-Peleteiro, J. and Oliva, A. and Orcinha, M. and
Palermo, M. and Palmonari, F. and Paniccia, M. and Pashnin,
A. and Pauluzzi, M. and Pensotti, S. and Plyaskin, V. and
Pohl, M. and Poluianov, S. and Qin, X. and Qu, Z. Y. and
Quadrani, L. and Rancoita, P. G. and Rapin, D. and Conde, A.
Reina and Robyn, E. and Rosier-Lees, S. and Rozhkov, A. and
Rozza, D. and Sagdeev, R. and Schael, S. and von Dratzig, A.
Schultz and Schwering, G. and Seo, E. S. and Shan, B. S. and
Siedenburg, T. and Song, J. W. and Song, X. J. and
Sonnabend, R. and Strigari, L. and Su, T. and Sun, Q. and
Sun, Z. T. and Tacconi, M. and Tang, X. W. and Tang, Z. C.
and Tian, J. and Ting, Samuel C. C. and Ting, S. M. and
Tomassetti, N. and Torsti, J. and Urban, T. and Usoskin, I.
and Vagelli, V. and Vainio, R. and Valencia-Otero, M. and
Valente, E. and Valtonen, E. and Vázquez Acosta, M. and
Vecchi, M. and Velasco, M. and Vialle, J. P. and Wang, C. X.
and Wang, L. and Wang, L. Q. and Wang, N. H. and Wang, Q. L.
and Wang, S. and Wang, X. and Wang, Yu and Wang, Z. M. and
Wei, J. and Weng, Z. L. and Wu, H. and Xiong, R. Q. and Xu,
W. and Yan, Q. and Yang, Y. and Yashin, I. I. and Yi, H. and
Yu, Y. M. and Yu, Z. Q. and Zannoni, M. and Zhang, C. and
Zhang, F. and Zhang, F. Z. and Zhang, J. H. and Zhang, Z.
and Zhao, F. and Zheng, C. and Zheng, Z. M. and Zhuang, H.
L. and Zhukov, V. and Zichichi, A. and Zuccon, P.},
title = {{P}roperties of {D}aily {H}elium {F}luxes},
journal = {Physical review letters},
volume = {128},
number = {23},
issn = {0031-9007},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2022-02979},
pages = {231102},
year = {2022},
abstract = {We present the precision measurement of 2824 daily helium
fluxes in cosmic rays from May 20, 2011 to October 29, 2019
in the rigidity interval from 1.71 to 100 GV based on
7.6×108 helium nuclei collected with the Alpha Magnetic
Spectrometer (AMS) aboard the International Space Station.
The helium flux and the helium to proton flux ratio exhibit
variations on multiple timescales. In nearly all the time
intervals from 2014 to 2018, we observed recurrent helium
flux variations with a period of 27 days. Shorter periods of
9 days and 13.5 days are observed in 2016. The strength of
all three periodicities changes with time and rigidity. In
the entire time period, we found that below ∼7 GV the
helium flux exhibits larger time variations than the proton
flux, and above ∼7 GV the helium to proton flux ratio is
time independent. Remarkably, below 2.4 GV a hysteresis
between the helium to proton flux ratio and the helium flux
was observed at greater than the 7σ level. This shows that
at low rigidity the modulation of the helium to proton flux
ratio is different before and after the solar maximum in
2014.},
cin = {JSC},
ddc = {530},
cid = {I:(DE-Juel1)JSC-20090406},
pnm = {5121 - Supercomputing $\&$ Big Data Facilities (POF4-512)},
pid = {G:(DE-HGF)POF4-5121},
typ = {PUB:(DE-HGF)16},
pubmed = {35749176},
UT = {WOS:000813467500002},
doi = {10.1103/PhysRevLett.128.231102},
url = {https://juser.fz-juelich.de/record/909046},
}
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