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  1. Article: Measurements of cosmic-ray proton and helium spectra from the BESS-Polar long-duration balloon flights over Antarctica.

    Abe, K / Fuke, H / Haino, S / Hams, T / Hasegawa, M / Horikoshi, A / Itazaki, A / Kim, K C / Kumazawa, T / Kusumoto, A / Lee, M H / Makida, Y / Matsuda, S / Matsukawa, Y / Matsumoto, K / Mitchell, J W / Myers, Z / Nishimura, J / Nozaki, M /
    Orito, R / Ormes, J F / Picot-Clemente, N / Sakai, K / Sasaki, M / Seo, E S / Shikaze, Y / Shinoda, R / Streitmatter, R E / Suzuki, J / Takasugi, Y / Takeuchi, K / Tanaka, K / Thakur, N / Yamagami, T / Yamamoto, A / Yoshida, T / Yoshimura, K

    The Astrophysical journal

    2016  Volume 822, Issue 2

    Abstract: The BESS-Polar Collaboration measured the energy spectra of cosmic-ray protons and helium during two long-duration balloon flights over Antarctica in December 2004 and December 2007, at substantially different levels of solar modulation. Proton and ... ...

    Abstract The BESS-Polar Collaboration measured the energy spectra of cosmic-ray protons and helium during two long-duration balloon flights over Antarctica in December 2004 and December 2007, at substantially different levels of solar modulation. Proton and helium spectra probe the origin and propagation history of cosmic rays in the galaxy, and are essential to calculations of the expected spectra of cosmic-ray antiprotons, positrons, and electrons from interactions of primary cosmic-ray nuclei with the interstellar gas, and to calculations of atmospheric muons and neutrinos. We report absolute spectra at the top of the atmosphere for cosmic-ray protons in the kinetic energy range 0.2-160 GeV and helium nuclei 0.15-80 GeV/nucleon. The corresponding magnetic rigidity ranges are 0.6-160 GV for protons and 1.1-160 GV for helium. These spectra are compared to measurements from previous BESS flights and from ATIC-2, PAMELA, and AMS-02. We also report the ratio of the proton and helium fluxes from 1.1 GV to 160 GV and compare to ratios from PAMELA and AMS-02.
    Language English
    Publishing date 2016-05-05
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2960-9
    ISSN 0004-637X
    ISSN 0004-637X
    DOI 10.3847/0004-637x/822/2/65
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Towards Understanding the Origin of Cosmic-Ray Electrons.

    Aguilar, M / Ali Cavasonza, L / Alpat, B / Ambrosi, G / Arruda, L / Attig, N / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Başeğmez-du Pree, S / Battiston, R / Becker, U / Behlmann, M / Beischer, B / Berdugo, J /
    Bertucci, B / Bindi, V / de Boer, W / Bollweg, K / Borgia, B / Boschini, M J / Bourquin, M / Bueno, E F / Burger, J / Burger, W J / Cai, X D / Capell, M / Caroff, S / Casaus, J / Castellini, G / Cervelli, F / Chang, Y H / Chen, G M / Chen, H S / Chen, Y / Cheng, L / Chou, H Y / Choutko, V / Chung, C H / Clark, C / Coignet, G / Consolandi, C / Contin, A / Corti, C / Crispoltoni, M / Cui, Z / Dadzie, K / Dai, Y M / Datta, A / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Di Felice, V / Dimiccoli, F / Díaz, C / von Doetinchem, P / Dong, F / Donnini, F / Duranti, M / Egorov, A / Eline, A / Eronen, T / Feng, J / Fiandrini, E / Fisher, P / Formato, V / Galaktionov, Y / García-López, R J / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Giovacchini, F / Gómez-Coral, D M / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guo, K H / Haino, S / Han, K C / He, Z H / Heil, M / Hsieh, T H / Huang, H / Huang, Z C / Incagli, M / Jia, Yi / Jinchi, H / Kanishev, K / Khiali, B / Kirn, Th / Konak, C / Kounina, O / Kounine, A / Koutsenko, V / Kulemzin, A / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, J Q / Li, Q / Li, T X / Li, Z H / Light, C / Lin, C H / Lippert, T / Liu, F Z / Liu, Hu / Liu, Z / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Luo, Xi / Lyu, S S / Machate, F / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mo, D C / Molero, M / Mott, P / Mussolin, L / Nelson, T / Ni, J Q / Nikonov, N / Nozzoli, F / Oliva, A / Orcinha, M / Palermo, M / Palmonari, F / Paniccia, M / Pashnin, A / Pauluzzi, M / Pensotti, S / Perrina, C / Phan, H D / Picot-Clemente, N / Plyaskin, V / Pohl, M / Poireau, V / Popkow, A / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Rancoita, P G / Rapin, D / Conde, A Reina / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Solano, C / Schael, S / Schmidt, S M / von Dratzig, A Schulz / Schwering, G / Seo, E S / Shan, B S / Shi, J Y / Siedenburg, T / Song, J W / Sun, Z T / Tacconi, M / Tang, X W / Tang, Z C / Tian, J / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Urban, T / Vagelli, V / Valente, E / Valtonen, E / Acosta, M Vázquez / Vecchi, M / Velasco, M / Vialle, J P / Vizán, J / Wang, L Q / Wang, N H / Wang, Q L / Wang, X / Wang, X Q / Wang, Z X / Wei, J / Weng, Z L / Wu, H / Xiong, R Q / Xu, W / Yan, Q / Yang, Y / Yi, H / Yu, Y J / Yu, Z Q / Zannoni, M / Zeissler, S / Zhang, C / Zhang, F / Zhang, J H / Zhang, Z / Zhao, F / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P

    Physical review letters

    2019  Volume 122, Issue 10, Page(s) 101101

    Abstract: Precision results on cosmic-ray electrons are presented in the energy range from 0.5 GeV to 1.4 TeV based on 28.1×10^{6} electrons collected by the Alpha Magnetic Spectrometer on the International Space Station. In the entire energy range the electron ... ...

    Abstract Precision results on cosmic-ray electrons are presented in the energy range from 0.5 GeV to 1.4 TeV based on 28.1×10^{6} electrons collected by the Alpha Magnetic Spectrometer on the International Space Station. In the entire energy range the electron and positron spectra have distinctly different magnitudes and energy dependences. The electron flux exhibits a significant excess starting from 42.1_{-5.2}^{+5.4}  GeV compared to the lower energy trends, but the nature of this excess is different from the positron flux excess above 25.2±1.8  GeV. Contrary to the positron flux, which has an exponential energy cutoff of 810_{-180}^{+310}  GeV, at the 5σ level the electron flux does not have an energy cutoff below 1.9 TeV. In the entire energy range the electron flux is well described by the sum of two power law components. The different behavior of the cosmic-ray electrons and positrons measured by the Alpha Magnetic Spectrometer is clear evidence that most high energy electrons originate from different sources than high energy positrons.
    Language English
    Publishing date 2019-04-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.122.101101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Towards Understanding the Origin of Cosmic-Ray Positrons.

    Aguilar, M / Ali Cavasonza, L / Ambrosi, G / Arruda, L / Attig, N / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Başeğmez-du Pree, S / Battiston, R / Becker, U / Behlmann, M / Beischer, B / Berdugo, J / Bertucci, B /
    Bindi, V / de Boer, W / Bollweg, K / Borgia, B / Boschini, M J / Bourquin, M / Bueno, E F / Burger, J / Burger, W J / Cai, X D / Capell, M / Caroff, S / Casaus, J / Castellini, G / Cervelli, F / Chang, Y H / Chen, G M / Chen, H S / Chen, Y / Cheng, L / Chou, H Y / Choutko, V / Chung, C H / Clark, C / Coignet, G / Consolandi, C / Contin, A / Corti, C / Crispoltoni, M / Cui, Z / Dadzie, K / Dai, Y M / Datta, A / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Dimiccoli, F / Díaz, C / von Doetinchem, P / Dong, F / Donnini, F / Duranti, M / Egorov, A / Eline, A / Eronen, T / Feng, J / Fiandrini, E / Fisher, P / Formato, V / Galaktionov, Y / García-López, R J / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Giovacchini, F / Gómez-Coral, D M / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guo, K H / Haino, S / Han, K C / He, Z H / Heil, M / Hsieh, T H / Huang, H / Huang, Z C / Incagli, M / Jia, Yi / Jinchi, H / Kanishev, K / Khiali, B / Kirn, Th / Konak, C / Kounina, O / Kounine, A / Koutsenko, V / Kulemzin, A / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, J Q / Li, Q / Li, T X / Li, Z H / Light, C / Lin, C H / Lippert, T / Liu, F Z / Liu, Hu / Liu, Z / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Luo, Xi / Lyu, S S / Machate, F / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mo, D C / Molero, M / Mott, P / Mussolin, L / Nelson, T / Ni, J Q / Nikonov, N / Nozzoli, F / Oliva, A / Orcinha, M / Palermo, M / Palmonari, F / Paniccia, M / Pashnin, A / Pauluzzi, M / Pensotti, S / Perrina, C / Phan, H D / Picot-Clemente, N / Plyaskin, V / Pohl, M / Poireau, V / Popkow, A / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Rancoita, P G / Rapin, D / Conde, A Reina / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Solano, C / Schael, S / Schmidt, S M / Schulz von Dratzig, A / Schwering, G / Seo, E S / Shan, B S / Shi, J Y / Siedenburg, T / Song, J W / Sun, Z T / Tacconi, M / Tang, X W / Tang, Z C / Tian, J / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Urban, T / Vagelli, V / Valente, E / Valtonen, E / Vázquez Acosta, M / Vecchi, M / Velasco, M / Vialle, J P / Vizán, J / Wang, L Q / Wang, N H / Wang, Q L / Wang, X / Wang, X Q / Wang, Z X / Wei, J / Weng, Z L / Wu, H / Xiong, R Q / Xu, W / Yan, Q / Yang, Y / Yi, H / Yu, Y J / Yu, Z Q / Zannoni, M / Zeissler, S / Zhang, C / Zhang, F / Zhang, J H / Zhang, Z / Zhao, F / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P

    Physical review letters

    2019  Volume 122, Issue 4, Page(s) 41102

    Abstract: Precision measurements of cosmic ray positrons are presented up to 1 TeV based on 1.9 million positrons collected by the Alpha Magnetic Spectrometer on the International Space Station. The positron flux exhibits complex energy dependence. Its distinctive ...

    Abstract Precision measurements of cosmic ray positrons are presented up to 1 TeV based on 1.9 million positrons collected by the Alpha Magnetic Spectrometer on the International Space Station. The positron flux exhibits complex energy dependence. Its distinctive properties are (a) a significant excess starting from 25.2±1.8  GeV compared to the lower-energy, power-law trend, (b) a sharp dropoff above 284_{-64}^{+91}  GeV, (c) in the entire energy range the positron flux is well described by the sum of a term associated with the positrons produced in the collision of cosmic rays, which dominates at low energies, and a new source term of positrons, which dominates at high energies, and (d) a finite energy cutoff of the source term of E_{s}=810_{-180}^{+310}  GeV is established with a significance of more than 4σ. These experimental data on cosmic ray positrons show that, at high energies, they predominantly originate either from dark matter annihilation or from other astrophysical sources.
    Language English
    Publishing date 2019-02-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.122.041102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Book ; Online: Rapid subduction in the deep North Western Mediterranean

    Aguilar, J. A. / Albert, A. / Anghinolfi, M. / Anton, G. / Anvar, S. / Ardid, M. / Assis Jesus, A. C. / Astraatmadja, T. / Aubert, J.-J. / Auer, R. / Baret, B. / Basa, S. / Bazzotti, M. / Bertin, V. / Biagi, S. / Bigongiari, C. / Bou-Cabo, M. / Bouwhuis, M. C. / Brown, A. /
    Brunner, J. / Busto, J. / Camarena, F. / Capone, A. / Carminati, G. / Carr, J. / Castel, D. / Castorina, E. / Cavasinni, V. / Cecchini, S. / Charvis, Ph. / Chiarusi, T. / Circella, M. / Coniglione, R. / Costantini, H. / Cottini, N. / Coyle, P. / Curtil, C. / Bonis, G. / Decowski, M. P. / Dekeyser, I. / Deschamps, A. / Distefano, C. / Donzaud, C. / Dornic, D. / Drouhin, D. / Eberl, T. / Emanuele, U. / Ernenwein, J.-P. / Escoffier, S. / Fehr, F. / Flaminio, V. / Fratini, K. / Fritsch, U. / Fuda, J.-L. / Giacomelli, G. / Gómez-González, J. P. / Graf, K. / Guillard, G. / Halladjian, G. / Hallewell, G. / Haren, H. / Heijboer, A. J. / Hello, Y. / Hernández-Rey, J. J. / Hößl, J. / Jong, M. / Kalantar-Nayestanaki, N. / Kalekin, O. / Kappes, A. / Katz, U. / Kooijman, P. / Kopper, C. / Kouchner, A. / Kretschmer, W. / Lahmann, R. / Lamare, P. / Lambard, G. / Larosa, G. / Laschinsky, H. / Lefèvre, D. / Lelaizant, G. / Lim, G. / Presti, D. / Loehner, H. / Loucatos, S. / Lucarelli, F. / Lyons, K. / Mangano, S. / Marcelin, M. / Margiotta, A. / Martinez-Mora, J. A. / Maurin, G. / Mazure, A. / Melissas, M. / Montaruli, T. / Morganti, M. / Moscoso, L. / Motz, H. / Naumann, C. / Neff, M. / Ostasch, R. / Palioselitis, G. / Păvălaş, G. E. / Payre, P. / Petrovic, J. / Piattelli, P. / Picot-Clemente, N. / Picq, C. / Pillet, R. / Popa, V. / Pradier, T. / Presani, E. / Racca, C. / Radu, A. / Reed, C. / Riccobene, G. / Richardt, C. / Rujoiu, M. / Russo, G. V. / Salesa, F. / Schoeck, F. / Schuller, J.-P. / Shanidze, R. / Simeone, F. / Spurio, M. / Steijger, J. J. M. / Stolarczyk, Th. / Tamburini, C. / Tasca, L. / Taupier-Letage, I. / Toscano, S. / Vallage, B. / Elewyck, V. / Vecchi, M. / Vernin, P. / Wijnker, G. / Wolf, E. / Yepes, H. / Zaborov, D. / Zornoza, J. D. / Zúñiga, J.

    eISSN: 1812-0792

    2018  

    Abstract: An Acoustic Doppler Current Profiler (ADCP) moored at the deep-sea ANTARES neutrino telescope site near Toulon, France, measured downward vertical currents of amplitudes up to 0.03 m s −1 in spring 2006. The currents were accompanied by enhanced levels ... ...

    Abstract An Acoustic Doppler Current Profiler (ADCP) moored at the deep-sea ANTARES neutrino telescope site near Toulon, France, measured downward vertical currents of amplitudes up to 0.03 m s −1 in spring 2006. The currents were accompanied by enhanced levels of acoustic reflection by a factor of about 10 and by horizontal currents reaching 0.35 m s −1 . These observations coincided with high levels of bioluminescence detected by the telescope. Although during winter 2006 deep dense-water formation occurred in this area, episodes of high levels of suspended particles and large vertical currents continuing into the summer are not direct evidence of this process. It is hypothesized that the main process allowing for particles to be moved across the entire water column (2500 m) within a few days, is local convection, triggered by small-mesoscale phenomena, such as meanders including a bipolar vortex, linked with boundary current instabilities.
    Subject code 551
    Language English
    Publishing date 2018-08-10
    Publishing country de
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Precision Measurement of Cosmic-Ray Nitrogen and its Primary and Secondary Components with the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Ali Cavasonza, L / Alpat, B / Ambrosi, G / Arruda, L / Attig, N / Aupetit, S / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Başeğmez-du Pree, S / Battarbee, M / Battiston, R / Becker, U / Behlmann, M /
    Beischer, B / Berdugo, J / Bertucci, B / Bindel, K F / Bindi, V / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Boschini, M J / Bourquin, M / Bueno, E F / Burger, J / Burger, W J / Cai, X D / Capell, M / Caroff, S / Casaus, J / Castellini, G / Cervelli, F / Chang, Y H / Chen, A I / Chen, G M / Chen, H S / Chen, Y / Cheng, L / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Creus, W / Crispoltoni, M / Cui, Z / Dadzie, K / Dai, Y M / Datta, A / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Dimiccoli, F / Díaz, C / von Doetinchem, P / Dong, F / Donnini, F / Duranti, M / Egorov, A / Eline, A / Eronen, T / Feng, J / Fiandrini, E / Fisher, P / Formato, V / Galaktionov, Y / Gallucci, G / García-López, R J / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Giovacchini, F / Gómez-Coral, D M / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guo, K H / Haino, S / Han, K C / He, Z H / Heil, M / Hsieh, T H / Huang, H / Huang, Z C / Incagli, M / Jia, Yi / Jinchi, H / Kanishev, K / Khiali, B / Kirn, Th / Konak, C / Kounina, O / Kounine, A / Koutsenko, V / Kulemzin, A / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, H S / Li, J Q / Li, Q / Li, T X / Li, Z H / Li, Z Y / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, Hu / Liu, Z / Lordello, V D / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Lyu, S S / Machate, F / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mikuni, V M / Mo, D C / Mott, P / Mussolin, L / Nelson, T / Ni, J Q / Nikonov, N / Nozzoli, F / Oliva, A / Orcinha, M / Palermo, M / Palmonari, F / Palomares, C / Paniccia, M / Pauluzzi, M / Pensotti, S / Perrina, C / Phan, H D / Picot-Clemente, N / Pilo, F / Plyaskin, V / Pohl, M / Poireau, V / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Räihä, T / Rancoita, P G / Rapin, D / Ricol, J S / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Schael, S / Schmidt, S M / Schulz von Dratzig, A / Schwering, G / Seo, E S / Shan, B S / Shi, J Y / Siedenburg, T / Song, J W / Tacconi, M / Tang, X W / Tang, Z C / Tescaro, D / Tian, J / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Urban, T / Vagelli, V / Valente, E / Valtonen, E / Vázquez Acosta, M / Vecchi, M / Velasco, M / Vialle, J P / Wang, L Q / Wang, N H / Wang, Q L / Wang, X / Wang, X Q / Wang, Z X / Wei, C C / Wei, J / Weng, Z L / Whitman, K / Wu, H / Xiong, R Q / Xu, W / Yan, Q / Yang, M / Yang, Y / Yi, H / Yu, Y J / Yu, Z Q / Zannoni, M / Zeissler, S / Zhang, C / Zhang, F / Zhang, J / Zhang, J H / Zhang, S W / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P

    Physical review letters

    2018  Volume 121, Issue 5, Page(s) 51103

    Abstract: A precision measurement of the nitrogen flux with rigidity (momentum per unit charge) from 2.2 GV to 3.3 TV based on 2.2×10^{6} events is presented. The detailed rigidity dependence of the nitrogen flux spectral index is presented for the first time. The ...

    Abstract A precision measurement of the nitrogen flux with rigidity (momentum per unit charge) from 2.2 GV to 3.3 TV based on 2.2×10^{6} events is presented. The detailed rigidity dependence of the nitrogen flux spectral index is presented for the first time. The spectral index rapidly hardens at high rigidities and becomes identical to the spectral indices of primary He, C, and O cosmic rays above ∼700  GV. We observed that the nitrogen flux Φ_{N} can be presented as the sum of its primary component Φ_{N}^{P} and secondary component Φ_{N}^{S}, Φ_{N}=Φ_{N}^{P}+Φ_{N}^{S}, and we found Φ_{N} is well described by the weighted sum of the oxygen flux Φ_{O} (primary cosmic rays) and the boron flux Φ_{B} (secondary cosmic rays), with Φ_{N}^{P}=(0.090±0.002)×Φ_{O} and Φ_{N}^{S}=(0.62±0.02)×Φ_{B} over the entire rigidity range. This corresponds to a change of the contribution of the secondary cosmic ray component in the nitrogen flux from 70% at a few GV to <30% above 1 TV.
    Language English
    Publishing date 2018-08-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.121.051103
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Observation of Complex Time Structures in the Cosmic-Ray Electron and Positron Fluxes with the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Cavasonza, L Ali / Ambrosi, G / Arruda, L / Attig, N / Aupetit, S / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Başeğmez-du Pree, S / Battarbee, M / Battiston, R / Becker, U / Behlmann, M / Beischer, B /
    Berdugo, J / Bertucci, B / Bindel, K F / Bindi, V / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Boschini, M J / Bourquin, M / Bueno, E F / Burger, J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Casaus, J / Castellini, G / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, G M / Chen, H S / Chen, Y / Cheng, L / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Creus, W / Crispoltoni, M / Cui, Z / Dadzie, K / Dai, Y M / Datta, A / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Dimiccoli, F / Díaz, C / von Doetinchem, P / Dong, F / Donnini, F / Duranti, M / D'Urso, D / Egorov, A / Eline, A / Eronen, T / Feng, J / Fiandrini, E / Fisher, P / Formato, V / Galaktionov, Y / Gallucci, G / García-López, R J / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Giovacchini, F / Gómez-Coral, D M / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guo, K H / Haino, S / Han, K C / He, Z H / Heil, M / Hsieh, T H / Huang, H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jia, Yi / Jinchi, H / Kang, S C / Kanishev, K / Khiali, B / Kim, G N / Kim, K S / Kirn, Th / Konak, C / Kounina, O / Kounine, A / Koutsenko, V / Kulemzin, A / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, H S / Li, J Q / Li, Q / Li, T X / Li, Z H / Li, Z Y / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, Hu / Lordello, V D / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Lyu, S S / Machate, F / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mikuni, V M / Mo, D C / Mott, P / Nelson, T / Ni, J Q / Nikonov, N / Nozzoli, F / Oliva, A / Orcinha, M / Palermo, M / Palmonari, F / Palomares, C / Paniccia, M / Pauluzzi, M / Pensotti, S / Perrina, C / Phan, H D / Picot-Clemente, N / Pilo, F / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Räihä, T / Rancoita, P G / Rapin, D / Ricol, J S / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Schael, S / Schmidt, S M / von Dratzig, A Schulz / Schwering, G / Seo, E S / Shan, B S / Shi, J Y / Siedenburg, T / Son, D / Song, J W / Tacconi, M / Tang, X W / Tang, Z C / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Valtonen, E / Vázquez Acosta, M / Vecchi, M / Velasco, M / Vialle, J P / Wang, L Q / Wang, N H / Wang, Q L / Wang, X / Wang, X Q / Wang, Z X / Wei, C C / Weng, Z L / Whitman, K / Wu, H / Wu, X / Xiong, R Q / Xu, W / Yan, Q / Yang, J / Yang, M / Yang, Y / Yi, H / Yu, Y J / Yu, Z Q / Zannoni, M / Zeissler, S / Zhang, C / Zhang, F / Zhang, J / Zhang, J H / Zhang, S W / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P

    Physical review letters

    2018  Volume 121, Issue 5, Page(s) 51102

    Abstract: We present high-statistics, precision measurements of the detailed time and energy dependence of the primary cosmic-ray electron flux and positron flux over 79 Bartels rotations from May 2011 to May 2017 in the energy range from 1 to 50 GeV. For the ... ...

    Abstract We present high-statistics, precision measurements of the detailed time and energy dependence of the primary cosmic-ray electron flux and positron flux over 79 Bartels rotations from May 2011 to May 2017 in the energy range from 1 to 50 GeV. For the first time, the charge-sign dependent modulation during solar maximum has been investigated in detail by leptons alone. Based on 23.5×10^{6} events, we report the observation of short-term structures on the timescale of months coincident in both the electron flux and the positron flux. These structures are not visible in the e^{+}/e^{-} flux ratio. The precision measurements across the solar polarity reversal show that the ratio exhibits a smooth transition over 830±30 days from one value to another. The midpoint of the transition shows an energy dependent delay relative to the reversal and changes by 260±30 days from 1 to 6 GeV.
    Language English
    Publishing date 2018-08-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.121.051102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Observation of Fine Time Structures in the Cosmic Proton and Helium Fluxes with the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Ali Cavasonza, L / Alpat, B / Ambrosi, G / Arruda, L / Attig, N / Aupetit, S / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Başeğmez-du Pree, S / Battarbee, M / Battiston, R / Becker, U / Behlmann, M /
    Beischer, B / Berdugo, J / Bertucci, B / Bindel, K F / Bindi, V / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Boschini, M J / Bourquin, M / Bueno, E F / Burger, J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Casaus, J / Castellini, G / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, G M / Chen, H S / Chen, Y / Cheng, L / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Creus, W / Crispoltoni, M / Cui, Z / Dadzie, K / Dai, Y M / Datta, A / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Dimiccoli, F / Díaz, C / von Doetinchem, P / Dong, F / Donnini, F / Duranti, M / D'Urso, D / Egorov, A / Eline, A / Eronen, T / Feng, J / Fiandrini, E / Fisher, P / Formato, V / Galaktionov, Y / Gallucci, G / García-López, R J / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Giovacchini, F / Gómez-Coral, D M / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guo, K H / Haino, S / Han, K C / He, Z H / Heil, M / Hoffman, J / Hsieh, T H / Huang, H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jia, Yi / Jinchi, H / Kang, S C / Kanishev, K / Khiali, B / Kim, G N / Kim, K S / Kirn, Th / Konak, C / Kounina, O / Kounine, A / Koutsenko, V / Kulemzin, A / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, H S / Li, J Q / Li, Q / Li, T X / Li, Z H / Li, Z Y / Light, C / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, Hu / Lordello, V D / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Luo, X / Lyu, S S / Machate, F / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mikuni, V M / Mo, D C / Mott, P / Nelson, T / Ni, J Q / Nikonov, N / Nozzoli, F / Oliva, A / Orcinha, M / Palermo, M / Palmonari, F / Palomares, C / Paniccia, M / Pauluzzi, M / Pensotti, S / Perrina, C / Phan, H D / Picot-Clemente, N / Pilo, F / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Popkow, A / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Räihä, T / Rancoita, P G / Rapin, D / Ricol, J S / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Schael, S / Schmidt, S M / Schulz von Dratzig, A / Schwering, G / Seo, E S / Shan, B S / Shi, J Y / Siedenburg, T / Son, D / Song, J W / Tacconi, M / Tang, X W / Tang, Z C / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Valtonen, E / Vázquez Acosta, M / Vecchi, M / Velasco, M / Vialle, J P / Wang, L Q / Wang, N H / Wang, Q L / Wang, X / Wang, X Q / Wang, Z X / Wei, C C / Weng, Z L / Whitman, K / Wu, H / Wu, X / Xiong, R Q / Xu, W / Yan, Q / Yang, J / Yang, M / Yang, Y / Yi, H / Yu, Y J / Yu, Z Q / Zannoni, M / Zeissler, S / Zhang, C / Zhang, F / Zhang, J / Zhang, J H / Zhang, S W / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P

    Physical review letters

    2018  Volume 121, Issue 5, Page(s) 51101

    Abstract: We present the precision measurement from May 2011 to May 2017 (79 Bartels rotations) of the proton fluxes at rigidities from 1 to 60 GV and the helium fluxes from 1.9 to 60 GV based on a total of 1×10^{9} events collected with the Alpha Magnetic ... ...

    Abstract We present the precision measurement from May 2011 to May 2017 (79 Bartels rotations) of the proton fluxes at rigidities from 1 to 60 GV and the helium fluxes from 1.9 to 60 GV based on a total of 1×10^{9} events collected with the Alpha Magnetic Spectrometer aboard the International Space Station. This measurement is in solar cycle 24, which has the solar maximum in April 2014. We observed that, below 40 GV, the proton flux and the helium flux show nearly identical fine structures in both time and relative amplitude. The amplitudes of the flux structures decrease with increasing rigidity and vanish above 40 GV. The amplitudes of the structures are reduced during the time period, which started one year after solar maximum, when the proton and helium fluxes steadily increase. Above ∼3  GV the p/He flux ratio is time independent. We observed that below ∼3  GV the ratio has a long-term decrease coinciding with the period during which the fluxes start to rise.
    Language English
    Publishing date 2018-08-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.121.051101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Observation of New Properties of Secondary Cosmic Rays Lithium, Beryllium, and Boron by the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Ali Cavasonza, L / Ambrosi, G / Arruda, L / Attig, N / Aupetit, S / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Başeğmez-du Pree, S / Battarbee, M / Battiston, R / Becker, U / Behlmann, M / Beischer, B /
    Berdugo, J / Bertucci, B / Bindel, K F / Bindi, V / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Boschini, M J / Bourquin, M / Bueno, E F / Burger, J / Burger, W J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Casaus, J / Castellini, G / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, G M / Chen, H S / Cheng, L / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Creus, W / Crispoltoni, M / Cui, Z / Dadzie, K / Dai, Y M / Datta, A / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Dimiccoli, F / Díaz, C / von Doetinchem, P / Dong, F / Donnini, F / Duranti, M / D'Urso, D / Egorov, A / Eline, A / Eronen, T / Feng, J / Fiandrini, E / Fisher, P / Formato, V / Galaktionov, Y / Gallucci, G / García-López, R J / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Giovacchini, F / Gómez-Coral, D M / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guo, K H / Haino, S / Han, K C / He, Z H / Heil, M / Hsieh, T H / Huang, H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jia, Yi / Jinchi, H / Kang, S C / Kanishev, K / Khiali, B / Kim, G N / Kim, K S / Kirn, Th / Konak, C / Kounina, O / Kounine, A / Koutsenko, V / Kulemzin, A / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, H S / Li, J Q / Li, Q / Li, T X / Li, Y / Li, Z H / Li, Z Y / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, Hu / Lordello, V D / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Lyu, S S / Machate, F / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mikuni, V M / Mo, D C / Mott, P / Nelson, T / Ni, J Q / Nikonov, N / Nozzoli, F / Oliva, A / Orcinha, M / Palermo, M / Palmonari, F / Palomares, C / Paniccia, M / Pauluzzi, M / Pensotti, S / Perrina, C / Phan, H D / Picot-Clemente, N / Pilo, F / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Räihä, T / Rancoita, P G / Rapin, D / Ricol, J S / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Schael, S / Schmidt, S M / Schulz von Dratzig, A / Schwering, G / Seo, E S / Shan, B S / Shi, J Y / Siedenburg, T / Son, D / Song, J W / Tacconi, M / Tang, X W / Tang, Z C / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Valtonen, E / Vázquez Acosta, M / Vecchi, M / Velasco, M / Vialle, J P / Vitale, V / Wang, L Q / Wang, N H / Wang, Q L / Wang, X / Wang, X Q / Wang, Z X / Wei, C C / Weng, Z L / Whitman, K / Wu, H / Wu, X / Xiong, R Q / Xu, W / Yan, Q / Yang, J / Yang, M / Yang, Y / Yi, H / Yu, Y J / Yu, Z Q / Zannoni, M / Zeissler, S / Zhang, C / Zhang, F / Zhang, J / Zhang, J H / Zhang, S W / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P

    Physical review letters

    2018  Volume 120, Issue 2, Page(s) 21101

    Abstract: We report on the observation of new properties of secondary cosmic rays Li, Be, and B measured in the rigidity (momentum per unit charge) range 1.9 GV to 3.3 TV with a total of 5.4×10^{6} nuclei collected by AMS during the first five years of operation ... ...

    Abstract We report on the observation of new properties of secondary cosmic rays Li, Be, and B measured in the rigidity (momentum per unit charge) range 1.9 GV to 3.3 TV with a total of 5.4×10^{6} nuclei collected by AMS during the first five years of operation aboard the International Space Station. The Li and B fluxes have an identical rigidity dependence above 7 GV and all three fluxes have an identical rigidity dependence above 30 GV with the Li/Be flux ratio of 2.0±0.1. The three fluxes deviate from a single power law above 200 GV in an identical way. This behavior of secondary cosmic rays has also been observed in the AMS measurement of primary cosmic rays He, C, and O but the rigidity dependences of primary cosmic rays and of secondary cosmic rays are distinctly different. In particular, above 200 GV, the secondary cosmic rays harden more than the primary cosmic rays.
    Language English
    Publishing date 2018-01-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.120.021101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Observation of the Identical Rigidity Dependence of He, C, and O Cosmic Rays at High Rigidities by the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Ali Cavasonza, L / Alpat, B / Ambrosi, G / Arruda, L / Attig, N / Aupetit, S / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Başeğmez-du Pree, S / Battarbee, M / Battiston, R / Becker, U / Behlmann, M /
    Beischer, B / Berdugo, J / Bertucci, B / Bindel, K F / Bindi, V / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Boschini, M J / Bourquin, M / Bueno, E F / Burger, J / Burger, W J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Casaus, J / Castellini, G / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, G M / Chen, H S / Cheng, L / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Creus, W / Crispoltoni, M / Cui, Z / Dadzie, K / Dai, Y M / Datta, A / Delgado, C / Della Torre, S / Demakov, O / Demirköz, M B / Derome, L / Di Falco, S / Dimiccoli, F / Díaz, C / von Doetinchem, P / Dong, F / Donnini, F / Duranti, M / D'Urso, D / Egorov, A / Eline, A / Eronen, T / Feng, J / Fiandrini, E / Fisher, P / Formato, V / Galaktionov, Y / Gallucci, G / García-López, R J / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Giovacchini, F / Gómez-Coral, D M / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guo, K H / Haino, S / Han, K C / He, Z H / Heil, M / Hoffman, J / Hsieh, T H / Huang, H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jia, Yi / Jinchi, H / Kang, S C / Kanishev, K / Khiali, B / Kim, G N / Kim, K S / Kirn, Th / Konak, C / Kounina, O / Kounine, A / Koutsenko, V / Kulemzin, A / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, H S / Li, J Q / Li, Q / Li, T X / Li, Y / Li, Z H / Li, Z Y / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, Hu / Lordello, V D / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Lyu, S S / Machate, F / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mikuni, V M / Mo, D C / Mott, P / Nelson, T / Ni, J Q / Nikonov, N / Nozzoli, F / Oliva, A / Orcinha, M / Palmonari, F / Palomares, C / Paniccia, M / Pauluzzi, M / Pensotti, S / Perrina, C / Phan, H D / Picot-Clemente, N / Pilo, F / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Räihä, T / Rancoita, P G / Rapin, D / Ricol, J S / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Schael, S / Schmidt, S M / Schulz von Dratzig, A / Schwering, G / Seo, E S / Shan, B S / Shi, J Y / Siedenburg, T / Son, D / Song, J W / Tacconi, M / Tang, X W / Tang, Z C / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Valtonen, E / Vázquez Acosta, M / Vecchi, M / Velasco, M / Vialle, J P / Vitale, V / Vitillo, S / Wang, L Q / Wang, N H / Wang, Q L / Wang, X / Wang, X Q / Wang, Z X / Wei, C C / Weng, Z L / Whitman, K / Wu, H / Wu, X / Xiong, R Q / Xu, W / Yan, Q / Yang, J / Yang, M / Yang, Y / Yi, H / Yu, Y J / Yu, Z Q / Zannoni, M / Zeissler, S / Zhang, C / Zhang, F / Zhang, J / Zhang, J H / Zhang, S W / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P

    Physical review letters

    2017  Volume 119, Issue 25, Page(s) 251101

    Abstract: We report the observation of new properties of primary cosmic rays He, C, and O measured in the rigidity (momentum/charge) range 2 GV to 3 TV with 90×10^{6} helium, 8.4×10^{6} carbon, and 7.0×10^{6} oxygen nuclei collected by the Alpha Magnetic ... ...

    Abstract We report the observation of new properties of primary cosmic rays He, C, and O measured in the rigidity (momentum/charge) range 2 GV to 3 TV with 90×10^{6} helium, 8.4×10^{6} carbon, and 7.0×10^{6} oxygen nuclei collected by the Alpha Magnetic Spectrometer (AMS) during the first five years of operation. Above 60 GV, these three spectra have identical rigidity dependence. They all deviate from a single power law above 200 GV and harden in an identical way.
    Language English
    Publishing date 2017-12-22
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.119.251101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Antiproton Flux, Antiproton-to-Proton Flux Ratio, and Properties of Elementary Particle Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Ali Cavasonza, L / Alpat, B / Ambrosi, G / Arruda, L / Attig, N / Aupetit, S / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Başeǧmez-du Pree, S / Battarbee, M / Battiston, R / Bazo, J / Becker, U /
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    Physical review letters

    2016  Volume 117, Issue 9, Page(s) 91103

    Abstract: A precision measurement by AMS of the antiproton flux and the antiproton-to-proton flux ratio in primary cosmic rays in the absolute rigidity range from 1 to 450 GV is presented based on 3.49×10^{5} antiproton events and 2.42×10^{9} proton events. The ... ...

    Abstract A precision measurement by AMS of the antiproton flux and the antiproton-to-proton flux ratio in primary cosmic rays in the absolute rigidity range from 1 to 450 GV is presented based on 3.49×10^{5} antiproton events and 2.42×10^{9} proton events. The fluxes and flux ratios of charged elementary particles in cosmic rays are also presented. In the absolute rigidity range ∼60 to ∼500  GV, the antiproton p[over ¯], proton p, and positron e^{+} fluxes are found to have nearly identical rigidity dependence and the electron e^{-} flux exhibits a different rigidity dependence. Below 60 GV, the (p[over ¯]/p), (p[over ¯]/e^{+}), and (p/e^{+}) flux ratios each reaches a maximum. From ∼60 to ∼500  GV, the (p[over ¯]/p), (p[over ¯]/e^{+}), and (p/e^{+}) flux ratios show no rigidity dependence. These are new observations of the properties of elementary particles in the cosmos.
    Language English
    Publishing date 2016-08-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.117.091103
    Database MEDical Literature Analysis and Retrieval System OnLINE

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