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CERN Document Server 29 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.66 secondes. 
1.
Properties of Cosmic Deuterons Measured by the Alpha Magnetic Spectrometer / AMS Collaboration
Precision measurements by the Alpha Magnetic Spectrometer (AMS) on the International Space Station of the deuteron (D) flux are presented. The measurements are based on 21×106 D nuclei in the rigidity range from 1.9 to 21 GV collected from May 2011 to April 2021. [...]
2024 - 8 p. - Published in : Phys. Rev. Lett. 132 (2024) 261001 Fulltext: PDF;
Notice détaillée - Notices similaires
2.
Temporal Structures in Positron Spectra and Charge-Sign Effects in Galactic Cosmic Rays / AMS Collaboration
We present the precision measurements of 11 years of daily cosmic positron fluxes in the rigidity range from 1.00 to 41.9 GV based on 3.4×106 positrons collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station. The positron fluxes show distinctly different time variations from the electron fluxes at short and long timescales. [...]
2023 - 10 p. - Published in : Phys. Rev. Lett. 131 (2023) 151002 Fulltext: PDF;
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3.
Properties of Cosmic-Ray Sulfur and Determination of the Composition of Primary Cosmic-Ray Carbon, Neon, Magnesium, and Sulfur: Ten-Year Results from the Alpha Magnetic Spectrometer / AMS Collaboration
We report the properties of primary cosmic-ray sulfur (S) in the rigidity range 2.15 GV to 3.0 TV based on 0.38×106 sulfur nuclei collected by the Alpha Magnetic Spectrometer experiment (AMS). We observed that above 90 GV the rigidity dependence of the S flux is identical to the rigidity dependence of Ne-Mg-Si fluxes, which is different from the rigidity dependence of the He-C-O-Fe fluxes. [...]
2023 - 9 p. - Published in : Phys. Rev. Lett. 130 (2023) 211002 Fulltext: PDF;
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4.
Temporal Structures in Electron Spectra and Charge Sign Effects in Galactic Cosmic Rays / AMS Collaboration
We present the precision measurements of 11 years of daily cosmic electron fluxes in the rigidity interval from 1.00 to 41.9 GV based on 2.0×108 electrons collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station. The electron fluxes exhibit variations on multiple timescales. [...]
2023 - 11 p. - Published in : Phys. Rev. Lett. 130 (2023) 161001 Fulltext: PDF;
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5.
Observation of the Energy Dependence of Primary and Secondary Cosmic Rays with the AMS Detector on the International Space Station / Formato, V (INFN, Perugia) /AMS-02 Collaboration
Precision study of cosmic nuclei provides detailed knowledge on the origin and propagation of cosmic rays. AMS is a multi-purpose high energy particle detector designed to measure and identify cosmic ray nuclei with unprecedented precision. [...]
2019 - 4 p. - Published in : EPJ Web Conf. 209 (2019) 01020 Fulltext: PDF;
In : 7th Roma International Conference on Astroparticle Physics (RICAP 18), Rome, Italy, 4 - 7 Sep 2018, pp.01020
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6.
A plugin-based approach to data analysis for the AMS experiment on the ISS / Formato, Valerio (INFN, Perugia)
In many HEP experiments a typical data analysis workflow requires each user to read the experiment data in order to extract meaningful information and produce relevant plots for the considered analysis. Multiple users accessing the same data result in a redundant access to the data itself, which could be factorized effectively improving the CPU efficiency of the analysis jobs and relieving stress from the storage infrastructure. [...]
2019 - 7 p. - Published in : EPJ Web Conf. 214 (2019) 05038 Fulltext: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.05038
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7.
Properties of Daily Helium Fluxes / AMS Collaboration
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. [...]
2022 - 10 p. - Published in : Phys. Rev. Lett. 128 (2022) 231102 Fulltext: PDF;
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8.
Periodicities in the Daily Proton Fluxes from 2011 to 2019 Measured by the Alpha Magnetic Spectrometer on the International Space Station from 1 to 100 GV / AMS Collaboration
We present the precision measurement of the daily proton fluxes in cosmic rays from May 20, 2011 to October 29, 2019 (a total of 2824 days or 114 Bartels rotations) in the rigidity interval from 1 to 100 GV based on 5.5×109 protons collected with the Alpha Magnetic Spectrometer aboard the International Space Station. The proton fluxes exhibit variations on multiple timescales. [...]
2021 - 8 p. - Published in : Phys. Rev. Lett. 127 (2021) 271102 Fulltext: PDF;
Notice détaillée - Notices similaires
9.
Properties of a New Group of Cosmic Nuclei: Results from the Alpha Magnetic Spectrometer on Sodium, Aluminum, and Nitrogen / AMS Collaboration
We report the properties of sodium (Na) and aluminum (Al) cosmic rays in the rigidity range 2.15 GV to 3.0 TV based on 0.46 million sodium and 0.51 million aluminum nuclei collected by the Alpha Magnetic Spectrometer experiment on the International Space Station. We found that Na and Al, together with nitrogen (N), belong to a distinct cosmic ray group. [...]
2021 - 9 p. - Published in : Phys. Rev. Lett. 127 (2021) 021101 Fulltext: PDF;
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10.
High precision particle astrophysics as a new window on the universe with an Antimatter Large Acceptance Detector In Orbit (ALADInO) / Battiston, R (Trento U. ; TIFPA-INFN, Trento) ; Bertucci, B (Perugia U. ; INFN, Perugia) ; Adriani, O (Florence U. ; INFN, Florence) ; Ambrosi, G (INFN, Perugia) ; Baoudoy, B (IRFU, Saclay) ; Blasi, P (GSSI, Aquila) ; Boezio, M (INFN, Trieste) ; Campana, D (INFN, Naples) ; Derome, L (LPSC, Grenoble) ; De Mitri, I (GSSI, Aquila) et al.
Multimessenger astrophysics is based on the detection, with the highest possible accuracy, of the cosmic radiation. During the last 20 years, the advent space-borne magnetic spectrometers in space (AMS-01, Pamela, AMS-02), able to measure the charged cosmic radiation separating matter from antimatter, and to provide accurate measurement of the rarest components of Cosmic Rays (CRs) to the highest possible energies, have become possible, together with the ultra-precise measurement of ordinary CRs. [...]
2021 - 32 p. - Published in : Exp. Astron.: 51 (2021) , pp. 1299-1330
- Published in : Exp. Astron.: 51 (2021) , pp. 1331-1332 Fulltext: Publication - PDF; Erratum - PDF;
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