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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 (Madrid, CIEMAT) ; Ali Cavasonza, L (IAS, Julich ; JCHP, Julich) ; Alpat, B (INFN, Perugia) ; Ambrosi, G (INFN, Perugia) ; Arruda, L (LIP, Lisbon) ; Attig, N (IAS, Julich ; JCHP, Julich) ; Aupetit, S (LPSC, Grenoble) ; Azzarello, P (Geneva U.) ; Bachlechner, A (IAS, Julich ; JCHP, Julich) ; Barao, F (LIP, Lisbon) et al.
/AMS
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 90×106 helium, 8.4×106 carbon, and 7.0×106 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. [...]
2017 - 8 p.
- Published in : Phys. Rev. Lett. 119 (2017) 251101
Fulltext: PDF;
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The DAMPE silicon tungsten tracker
/ Gallo, Valentina (CERN ; Geneva U.) ; Ambrosi, G (INFN, Perugia) ; Asfandiyarov, R (Geneva U.) ; Azzarello, P (Geneva U.) ; Bernardini, P (Salento U. ; INFN, Lecce) ; Bertucci, B (INFN, Perugia ; Perugia U.) ; Bolognini, A (INFN, Perugia ; Perugia U.) ; Cadoux, F (Geneva U.) ; Caprai, M (INFN, Perugia) ; Domenjoz, M (Geneva U.) et al.
The DArk Matter Particle Explorer (DAMPE) satellite has been successfully launched on the 17th December 2015. It is a powerful space detector designed for the identification of possible Dark Matter signatures thanks to its capability to detect electrons and photons with an unprecedented energy resolution in an energy range going from few GeV up to 10 TeV. [...]
SISSA, 2017 - 9 p.
- Published in : PoS Vertex2016 (2017) 010
Fulltext: PDF; External link: PoS server
In : VERTEX 2016, La Biodola, Italy, 25 - 30 Sep 2016, pp.010
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The DArk Matter Particle Explorer mission
/ DAMPE Collaboration
The DArk Matter Particle Explorer (DAMPE), one of the four scientific space science missions within the framework of the Strategic Pioneer Program on Space Science of the Chinese Academy of Sciences, is a general purpose high energy cosmic-ray and gamma-ray observatory, which was successfully launched on December 17th, 2015 from the Jiuquan Satellite Launch Center. The DAMPE scientific objectives include the study of galactic cosmic rays up to $\sim 10$ TeV and hundreds of TeV for electrons/gammas and nuclei respectively, and the search for dark matter signatures in their spectra. [...]
arXiv:1706.08453.-
2017-10 - 19 p.
- Published in : Astropart. Phys. 95 (2017) 6-24
Preprint: PDF;
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4.
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In-flight operations and status of the AMS-02 silicon tracker
/ Ambrosi, G (INFN, Perugia) ; Azzarello, P (Geneva U.) ; Battiston, R (INFN, Trento ; U. Trento (main)) ; Bertucci, b B (INFN, Perugia ; U. Perugia (main)) ; Choumilov, E (MIT) ; Choutko, V (MIT) ; Crispoltoni, M (INFN, Perugia ; U. Perugia (main)) ; Delgado, C (Madrid, CIEMAT) ; Duranti, M (INFN, Perugia ; U. Perugia (main)) ; Donnini, F (INFN, Perugia ; U. Perugia (main)) et al.
The AMS-02 detector is a large acceptance magnetic spectrometer operating on the International Space Station since May 2011. More than 60 billion events have been collected by the instrument as of today. [...]
SISSA, 2016
- Published in : PoS ICRC2015 (2016) 690
Fulltext: PDF; External link: PoS server
In : 34th International Cosmic Ray Conference, The Hague, The Netherlands, 30 Jul - 6 Aug 2015, pp.690
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Nuclei Charge measurement with the AMS-02 Silicon Tracker
/ Ambrosi, G (INFN, Perugia) ; Azzarello, P (Geneva U.) ; Battiston, R (TIFPA-INFN, Trento ; U. Trento (main)) ; Bazo, J (INFN, Perugia) ; Bertucci, B (INFN, Perugia ; U. Perugia (main)) ; Choumilov, E (MIT) ; Choutko, V (MIT) ; Crispoltoni, M (INFN, Perugia ; U. Perugia (main)) ; Delgado, C (Madrid, CIEMAT) ; Duranti, M (INFN, Perugia ; U. Perugia (main)) et al.
SISSA, 2016
- Published in : PoS ICRC2015 (2016) 429
Fulltext: PDF; External link: PoS server
In : 34th International Cosmic Ray Conference, The Hague, The Netherlands, 30 Jul - 6 Aug 2015, pp.429
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6.
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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 (Madrid, CIEMAT) ; Ali Cavasonza, L (JARA, Aachen) ; Alpat, B (INFN, Perugia) ; Ambrosi, G (INFN, Perugia) ; Arruda, L (LIP, Lisbon) ; Attig, N (Julich, NIC ; Unlisted, DE) ; Aupetit, S (LPSC, Grenoble) ; Azzarello, P (Geneva U.) ; Bachlechner, A (JARA, Aachen) ; Barao, F (LIP, Lisbon) et al.
/AMS
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 3.49×105 antiproton events and 2.42×109 proton events. The fluxes and flux ratios of charged elementary particles in cosmic rays are also presented. [...]
2016 - 10 p.
- Published in : Phys. Rev. Lett. 117 (2016) 091103
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Precision Measurement of the Boron to Carbon Flux Ratio in Cosmic Rays from 1.9 GV to 2.6 TV with the Alpha Magnetic Spectrometer on the International Space Station
/ Aguilar, M (Madrid, CIEMAT) ; Ali Cavasonza, L (JARA, Aachen) ; Alpat, B (INFN, Perugia) ; Ambrosi, G (INFN, Perugia) ; Arruda, L (LIP, Lisbon) ; Attig, N (Julich, NIC ; Unlisted, DE) ; Aupetit, S (LPSC, Grenoble) ; Azzarello, P (Geneva U.) ; Bachlechner, A (JARA, Aachen) ; Barao, F (LIP, Lisbon) et al.
/AMS
Knowledge of the rigidity dependence of the boron to carbon flux ratio (B/C) is important in understanding the propagation of cosmic rays. The precise measurement of the B/C ratio from 1.9 GV to 2.6 TV, based on 2.3 million boron and 8.3 million carbon nuclei collected by AMS during the first 5 years of operation, is presented. [...]
2016 - 8 p.
- Published in : Phys. Rev. Lett. 117 (2016) 231102
Fulltext: PDF;
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Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station
/ Aguilar, M (Madrid, CIEMAT) ; Aisa, D (INFN, Perugia ; Perugia U.) ; Alpat, B (INFN, Perugia) ; Alvino, A (INFN, Perugia) ; Ambrosi, G (INFN, Perugia) ; Andeen, K (KIT, Karlsruhe, IKP) ; Arruda, L (LIP, Lisbon) ; Attig, N (IAS, Julich ; JARA, Aachen) ; Azzarello, P (INFN, Perugia ; Geneva U.) ; Bachlechner, A (RWTH Aachen U. ; JARA, Aachen) et al.
/AMS
A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. [...]
2015 - 9 p.
- Published in : Phys. Rev. Lett. 114 (2015) 171103
APS Open Access article: PDF; Fulltext: PDF;
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