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@ARTICLE{Aguilar:276307,
      author       = {Aguilar, M. and Aisa, D. and Alpat, B. and Alvino, A. and
                      Ambrosi, G. and Andeen, K. and Arruda, L. and Attig, N. and
                      Azzarello, P. and Bachlechner, A. and Barao, F. and Barrau,
                      A. and Barrin, L. and Bartoloni, A. and Basara, L. and
                      Battarbee, M. and Battiston, R. and Bazo, J. and Becker, U.
                      and Behlmann, M. and Beischer, B. and Berdugo, J. and
                      Bertucci, B. and Bindi, V. and Bizzaglia, S. and Bizzarri,
                      M. and Boella, G. and de Boer, W. and Bollweg, K. and
                      Bonnivard, V. and Borgia, B. and Borsini, S. and Boschini,
                      M. J. and Bourquin, M. and Burger, J. and Cadoux, F. and
                      Cai, X. D. and Capell, M. and Caroff, S. and Casaus, J.
                      and Castellini, G. and Cernuda, I. and Cerreta, D. and
                      Cervelli, F. and Chae, M. J. and Chang, Y. H. and Chen,
                      A. I. and Chen, G. M. and Chen, H. and Chen, H. S. and
                      Cheng, L. and Chou, H. Y. and Choumilov, E. and Choutko,
                      V. and Chung, C. H. and Clark, C. and Clavero, R. and
                      Coignet, G. and Consolandi, C. and Contin, A. and Corti, C.
                      and Gil, E. Cortina and Coste, B. and Creus, W. and
                      Crispoltoni, M. and Cui, Z. and Dai, Y. M. and Delgado, C.
                      and Della Torre, S. and Demirköz, M. B. and Derome, L.
                      and Di Falco, S. and Di Masso, L. and Dimiccoli, F. and
                      Díaz, C. and von Doetinchem, P. and Donnini, F. and
                      Duranti, M. and D’Urso, D. and Egorov, A. and Eline, A.
                      and Eppling, F. J. and Eronen, T. and Fan, Y. Y. and
                      Farnesini, L. and Feng, J. and Fiandrini, E. and Fiasson, A.
                      and Finch, E. and Fisher, P. and Formato, V. and
                      Galaktionov, Y. and Gallucci, G. and García, B. and
                      García-López, R. and Gargiulo, C. and Gast, H. and
                      Gebauer, I. and Gervasi, M. and Ghelfi, A. and Giovacchini,
                      F. and Goglov, P. and Gong, J. and Goy, C. and Grabski, V.
                      and Grandi, D. and Graziani, M. and Guandalini, C. and
                      Guerri, I. and Guo, K. H. and Haas, D. and Habiby, M. and
                      Haino, S. and Han, K. C. and He, Z. H. and Heil, M. and
                      Hoffman, J. and Hsieh, T. H. and Huang, Z. C. and Huh,
                      C. and Incagli, M. and Ionica, M. and Jang, W. Y. and
                      Jinchi, H. and Kanishev, K. and Kim, G. N. and Kim,
                      K. S. and Kirn, Th. and Korkmaz, M. A. and Kossakowski,
                      R. and Kounina, O. and Kounine, A. and Koutsenko, V. and
                      Krafczyk, M. S. and La Vacca, G. and Laudi, E. and
                      Laurenti, G. and Lazzizzera, I. and Lebedev, A. and Lee,
                      H. T. and Lee, S. C. and Leluc, C. and Li, H. L. and
                      Li, J. Q. and Li, J. Q. and Li, Q. and Li, Q. and Li,
                      T. X. and Li, W. and Li, Y. and Li, Z. H. and Li,
                      Z. Y. and Lim, S. and Lin, C. H. and Lipari, P. and
                      Lippert, T. and Liu, D. and Liu, H. and Liu, Hu and Lolli,
                      M. and Lomtadze, T. and Lu, M. J. and Lu, S. Q. and Lu,
                      Y. S. and Luebelsmeyer, K. and Luo, F. and Luo, J. Z.
                      and Lv, S. S. and Majka, R. and Mañá, C. and Marín, J.
                      and Martin, T. and Martínez, G. and Masi, N. and Maurin, D.
                      and Menchaca-Rocha, A. and Meng, Q. and Mo, D. C. and
                      Morescalchi, L. and Mott, P. and Müller, M. and Nelson, T.
                      and Ni, J. Q. and Nikonov, N. and Nozzoli, F. and Nunes,
                      P. and Obermeier, A. and Oliva, A. and Orcinha, M. and
                      Palmonari, F. and Palomares, C. and Paniccia, M. and Papi,
                      A. and Pauluzzi, M. and Pedreschi, E. and Pensotti, S. and
                      Pereira, R. and Picot-Clemente, N. and Pilo, F. and Piluso,
                      A. and Pizzolotto, C. and Plyaskin, V. and Pohl, M. and
                      Poireau, V. and Putze, A. and Quadrani, L. and Qi, X. M.
                      and Qin, X. and Qu, Z. Y. and Räihä, T. and Rancoita,
                      P. G. and Rapin, D. and Ricol, J. S. and Rodríguez, I.
                      and Rosier-Lees, S. and Rozhkov, A. and Rozza, D. and
                      Sagdeev, R. and Sandweiss, J. and Saouter, P. and Schael, S.
                      and Schmidt, Sebastian M. and von Dratzig, A. Schulz and
                      Schwering, G. and Scolieri, G. and Seo, E. S. and Shan,
                      B. S. and Shan, Y. H. and Shi, J. Y. and Shi, X. Y.
                      and Shi, Y. M. and Siedenburg, T. and Son, D. and Song,
                      J. W. and Spada, F. and Spinella, F. and Sun, W. and Sun,
                      W. H. and Tacconi, M. and Tang, C. P. and Tang, X. W.
                      and Tang, Z. C. and Tao, L. and Tescaro, D. and Ting,
                      Samuel C. C. and Ting, S. M. and Tomassetti, N. and
                      Torsti, J. and Türkoğlu, C. and Urban, T. and Vagelli, V.
                      and Valente, E. and Vannini, C. and Valtonen, E. and
                      Vaurynovich, S. and Vecchi, M. and Velasco, M. and Vialle,
                      J. P. and Vitale, V. and Vitillo, S. and Wang, L. Q. and
                      Wang, N. H. and Wang, Q. L. and Wang, R. S. and Wang,
                      X. and Wang, Z. X. and Weng, Z. L. and Whitman, K. and
                      Wienkenhöver, J. and Willenbrock, M. and Wu, H. and Wu, X.
                      and Xia, X. and Xie, M. and Xie, S. and Xiong, R. Q. and
                      Xu, N. S. and Xu, W. and Yan, Q. and Yang, J. and Yang, M.
                      and Yang, Y. and Ye, Q. H. and Yi, H. and Yu, Y. J. and
                      Yu, Z. Q. and Zeissler, S. and Zhang, C. and Zhang,
                      J. H. and Zhang, M. T. and Zhang, S. D. and Zhang,
                      S. W. and Zhang, X. B. and Zhang, Z. and Zheng, Z. M.
                      and Zhuang, H. L. and Zhukov, V. and Zichichi, A. and
                      Zimmermann, N. and Zuccon, P.},
      title        = {{P}recision {M}easurement of the {H}elium {F}lux in
                      {P}rimary {C}osmic {R}ays of {R}igidities 1.9 {GV} to
                      3 {TV} with the {A}lpha {M}agnetic {S}pectrometer on the
                      {I}nternational {S}pace {S}tation},
      journal      = {Physical review letters},
      volume       = {115},
      number       = {21},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-06768},
      pages        = {211101},
      year         = {2015},
      abstract     = {Knowledge of the precise rigidity dependence of the helium
                      flux is important in understanding the origin, acceleration,
                      and propagation of cosmic rays. A precise measurement of the
                      helium flux in primary cosmic rays with rigidity
                      (momentum/charge) from 1.9 GV to 3 TV based on 50 million
                      events is presented and compared to the proton flux. The
                      detailed variation with rigidity of the helium flux spectral
                      index is presented for the first time. The spectral index
                      progressively hardens at rigidities larger than 100 GV. The
                      rigidity dependence of the helium flux spectral index is
                      similar to that of the proton spectral index though the
                      magnitudes are different. Remarkably, the spectral index of
                      the proton to helium flux ratio increases with rigidity up
                      to 45 GV and then becomes constant; the flux ratio above 45
                      GV is well described by a single power law.},
      cin          = {JSC / VS-I / JARA-FAME},
      ddc          = {550},
      cid          = {I:(DE-Juel1)JSC-20090406 / I:(DE-Juel1)VS-I-20090406 /
                      $I:(DE-82)080023_20140620$},
      pnm          = {513 - Supercomputer Facility (POF3-513)},
      pid          = {G:(DE-HGF)POF3-513},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000364910500002},
      pubmed       = {pmid:26636836},
      doi          = {10.1103/PhysRevLett.115.211101},
      url          = {https://juser.fz-juelich.de/record/276307},
}