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Related papers: Fitting B/C cosmic-ray data in the AMS-02 era: A c…

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AMS-02 is a multi-purpose spectrometer with superconducting magnet, and is designed for 3 years of data taking aboard the International Space Station. Its high performance regarding particle identification and energy measurement will allow…

Astrophysics · Physics 2008-11-26 Pierre Brun

The AMS-02 experiment is measuring the cosmic ray antiproton flux with high precision. The interpretation of the upcoming data requires a thorough understanding of the secondary antiproton background. In this work, we employ newly available…

High Energy Physics - Phenomenology · Physics 2015-06-22 Rolf Kappl , Martin Wolfgang Winkler

Current and upcoming cosmological surveys will produce unprecedented amounts of high-dimensional data, which require complex high-fidelity forward simulations to accurately model both physical processes and systematic effects which describe…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-11 Aizhan Akhmetzhanova , Carolina Cuesta-Lazaro , Siddharth Mishra-Sharma

In this paper we re-analyse the amplification process of broadband continuum radiation by astronomical masers in one-dimensional case. The basic equations appropriate for the scalar maser and the random nature of the maser radiation field…

Astrophysics of Galaxies · Physics 2015-05-13 Dinh-V-Trung

The Alpha Magnetic Spectrometer (AMS), whose final version AMS-02 is to be installed on the International Space Station (ISS) for at least 3 years, is a detector designed to measure charged cosmic ray spectra with energies up to the TeV…

Astrophysics · Physics 2008-01-22 Luísa Arruda , Fernando Barão , Rui Pereira

The cosmic ray energy spectra of protons and helium nuclei, which are the most abundant components of cosmic radiation, exhibit a remarkable hardening at energies above one hundred GeV/nucleon. Recent data from AMS-02 confirms this feature…

High Energy Astrophysical Phenomena · Physics 2017-02-08 Behrouz Khiali , Sadakazu Haino , Jie Feng

The accuracy of the current generation of cosmic-ray (CR) experiments, such as AMS-02, PAMELA, CALET, and ISS-CREAM, is now reaching $\sim$1--3\% in a wide range in energy per nucleon from GeV/n to multi-TeV/n. Their correct interpretation…

High Energy Astrophysical Phenomena · Physics 2018-09-26 Yoann Genolini , David Maurin , Igor V. Moskalenko , Michael Unger

Context: Features in the spectra of primary cosmic rays (CRs) provide invaluable information on the propagation of these particles in the Galaxy. In the rigidity region around a few hundred GV, such features have been measured in the proton…

High Energy Astrophysical Phenomena · Physics 2015-11-11 Roberto Aloisio , Pasquale Blasi , Pasquale Serpico

Focusing on the well motivated aperture mass statistics $\Map$, we study the possibility of constraining cosmological parameters using future space based SNAP class weak lensing missions. Using completely analytical results we construct the…

Astrophysics · Physics 2007-05-23 Dipak Munshi , Patrick Valageas

The AMS-02 detector is operating on the International Space Station since May 2011. More than 30 billion events have been collected by the instrument in the first two years of data taking. A precision measurement of the positron fraction…

Instrumentation and Detectors · Physics 2019-08-15 Claudio Corti

AMS-02 is a high precision magnetic spectrometer for cosmic rays in the GeV to TeV energy range. Its tracker consists of nine layers of double-sided silicon microstrip sensors. They are used to locate the trajectories of cosmic rays in the…

Instrumentation and Detectors · Physics 2015-09-08 Martin Pohl

Recent precise measurements of cosmic ray spectral revealed an anomalous hardening at ~200 GV for nuclei from PAMELA, CREAM, ATIC, AMS02 experiments and at tens of GeV for primary electron derived from AMS02 experiment. Particularly, the…

High Energy Astrophysical Phenomena · Physics 2018-04-11 Yi-Qing Guo , Zhen Tian , Chao Jin

This paper seeks to find an explanation of the galactic cosmic ray B/C ratio newly measured in cosmic rays between ~10 MeV/nuc and 1 TeV/nuc. Voyager measurements of this ratio at low energies and AMS-2 measurements at high energies are…

Space Physics · Physics 2016-06-10 W. R. Webber , T. L. Villa

We evaluate dark matter (DM) limits from cosmic-ray antiproton observations using the recent precise AMS-02 measurements. We properly take into account cosmic-ray propagation uncertainties fitting at the same time DM and propagation…

High Energy Astrophysical Phenomena · Physics 2017-05-15 Alessandro Cuoco , Michael Krämer , Michael Korsmeier

The AMS-02 collaboration has just released the cosmic antiproton to proton ratio $\bar{p}/p$ with a high precision up to $\sim 450$ GeV. In this work, we calculate the secondary antiprotons generated by cosmic ray interactions with the…

High Energy Physics - Phenomenology · Physics 2015-04-28 Su-Jie Lin , Xiao-Jun Bi , Peng-Fei Yin , Zhao-Huan Yu

The annihilation of dark matter particles in the galactic halo of the Milky Way may lead to cosmic ray signatures that can be probed by the AMS-02 experiment, which has measured the composition and fluxes of charged cosmic rays with…

High Energy Physics - Phenomenology · Physics 2017-05-10 Leila Ali Cavasonza , Henning Gast , Michael Krämer , Mathieu Pellen , Stefan Schael

The Alpha Magnetic Spectrometer (AMS-02) is a high energy particle physics experiment that will study cosmic rays in the $\sim 100 \mathrm{MeV}$ to $1 \mathrm{TeV}$ range and will be installed on the International Space Station (ISS) for at…

High Energy Physics - Experiment · Physics 2008-11-26 01 Collaboration

The stable secondary-to-primary flux ratios of cosmic rays (CRs), represented by the boron-to-carbon ratio (B/C), are the main probes of the Galactic CR propagation. However, the fluorine-to-silicon ratio (F/Si) predicted by the CR…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Meng-Jie Zhao , Xiao-Jun Bi , Kun Fang

The measurement of the isotopic composition of cosmic rays (CRs) provides essential insights the understanding of the origin and propagation of these particles, namely the CR source spectra, the propagation processes and the galactic halo…

Instrumentation and Methods for Astrophysics · Physics 2022-11-30 E. F. Bueno , F. Barão , M. Vecchi

We use recently released data on the positron-to-electron ratio in cosmic rays from the AMS-02 experiment to constrain dark matter annihilation in the Milky Way. Due to the yet unexplained positron excess, limits are generally weaker than…

High Energy Physics - Phenomenology · Physics 2013-10-31 Joachim Kopp
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