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相关论文: Astroparticle Physics with AMS02

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AMS-02 is a detector currently in operation onboard the International Space Station (ISS). One of the main scientific goals of the spectrometer is the measurement of charged particle fluxes. The detector design makes possible the…

仪器与探测器 · 物理学 2025-04-28 Georgi Vasilev , Galina Vankova-Kirilova , Galina Bozhkova

This article reviews a few topics relevant to Galactic cosmic-ray astrophysics, focusing on the recent AMS-02 data release and Fermi Large Area Telescope data on the diffuse Galactic gamma-ray emissivity. Calculations are made of the…

高能天体物理现象 · 物理学 2015-12-16 Charles D. Dermer

Precision measurements by the Alpha Magnetic Spectrometer (AMS-02) on the International Space Station of the primary cosmic-ray electron flux and the positron flux will be discussed. The electron flux and the positron flux each require a…

高能天体物理现象 · 物理学 2017-01-26 Maura Graziani

Knowledge of the precise rigidity dependence of the carbon flux is important in understanding the origin, acceleration and propagation of cosmic rays. The current status of the measurement of the carbon flux in cosmic rays with rigidity…

高能天体物理现象 · 物理学 2019-08-13 Yang Li

The Alpha Magnetic Spectrometer (AMS) to be installed on the International Space Station (ISS) will be equipped with a proximity focusing Ring Imaging Cerenkov detector (RICH). Reconstruction of the Cerenkov angle and the electric charge…

The recent measurement of the spectra of intermediate mass nuclei and iron nuclei carried out with the AMS-02 experiment provided us with the most complete set of data on cosmic ray fluxes to date, and allowed us to test the standard model…

高能天体物理现象 · 物理学 2021-06-10 Benedikt Schroer , Carmelo Evoli , Pasquale Blasi

The AMS experiment onboard the International Space Station has recently provided cosmic ray electron and positron data with unprecedented precision in the range from 0.5 to 350 GeV. The observed rise in the positron fraction at energies…

高能天体物理现象 · 物理学 2013-10-29 Lars Bergstrom , Torsten Bringmann , Ilias Cholis , Dan Hooper , Christoph Weniger

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…

天体物理仪器与方法 · 物理学 2022-11-30 E. F. Bueno , F. Barão , M. Vecchi

Since May 2011 the AMS-02 experiment is installed on the International Space Station and is observing cosmic radiation. It consists of several state-of-the-art sub-detectors, which redundantly measure charge and energy of traversing…

天体物理仪器与方法 · 物理学 2015-01-09 Andreas Obermeier , Michael Korsmeier

The operation of AMS-02 opens a new era for the study of cosmic ray physics with unprecedentedly precise data which are comparable with the laboratory measurements. The high precision data allow a quantitative study on the cosmic ray…

高能天体物理现象 · 物理学 2015-03-23 Qiang Yuan , Xiao-Jun Bi

In this paper, we present the analysis and results of a direct measurement of the cosmic-ray proton spectrum with the CALET instrument onboard the International Space Station, including the detailed assessment of systematic uncertainties.…

Accelerator mass spectrometry (AMS) is a widely-used technique with multiple applications, including geology, molecular biology and archeology. In order to achieve a high dynamic range, AMS requires tandem accelerators and large magnets,…

量子物理 · 物理学 2023-05-23 Radu Ionicioiu

We show that the recent AMS02 positron fraction measurement is consistent with a secondary origin for positrons, and does not require additional primary sources such as pulsars or dark matter. The measured positron fraction at high energy…

高能天体物理现象 · 物理学 2013-11-27 Kfir Blum , Boaz Katz , Eli Waxman

The General AntiParticle Spectrometer (GAPS) is a balloon-borne instrument designed to detect cosmic-ray antimatter using the novel exotic atom technique, obviating the strong magnetic fields required by experiments like AMS, PAMELA, or…

The unprecedented quality of the data collected by the AMS-02 experiment onboard the International Space Station allowed us to address subtle questions concerning the origin and propagation of cosmic rays. Here we discuss the implications…

高能天体物理现象 · 物理学 2019-06-05 Carmelo Evoli , Roberto Aloisio , Pasquale Blasi

A precision measurement by AMS of the antiproton-to-proton flux ratio in primary cosmic rays in the absolute rigidity range from 1 to 450 GV is presented based on $3.49\times10^5$ antiproton events and $2.42\times10^9$ proton events. Above…

高能天体物理现象 · 物理学 2017-02-01 Francesco Nozzoli

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…

高能物理 - 唯象学 · 物理学 2017-05-10 Leila Ali Cavasonza , Henning Gast , Michael Krämer , Mathieu Pellen , Stefan Schael

The energy domain between 10 MeV and hundreds of GeV is an essential one for the multifrequency study of extreme astrophysical sources. The understanding of spectra of detected gamma rays is necessary for developing models for acceleration,…

天体物理学 · 物理学 2007-05-23 Aldo Morselli

This thesis discusses the search for supersymmetry at the future Large Hadron Collider (LHC) and the ongoing construction of one of the four large LHC experiments, the Compact Muon Solenoid (CMS), and focuses on the detection of signals…

天体物理学 · 物理学 2007-05-23 Jan Olzem

We present a novel Active Magnetic Shield (AMS), designed and implemented for the n2EDM experiment at the Paul Scherrer Institute. The experiment will perform a high-sensitivity search for the electric dipole moment of the neutron.…