English
Related papers

Related papers: Cosmic Ray Velocity and Electric Charge Measuremen…

200 papers

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…

High Energy Astrophysical Phenomena · Physics 2015-03-23 Qiang Yuan , Xiao-Jun Bi

We present the review of various methods of detection of magnetic field strengths in the nearest regions of the active galaxy nuclei (AGN) which are the high energetic machines. Original spectropolarimetric method developed in the Pulkovo…

Astrophysics · Physics 2008-11-26 Yu. N. Gnedin , T. M. Natsvlishvili , M. Yu. Piotrovich

Active Pixel Sensor (APS) technology has shown promise for next-generation vertex detectors. This paper discusses the design and testing of two generations of APS chips. Both are arrays of 128 by 128 pixels, each 20 by 20 micro-m. Each…

Nuclear Experiment · Physics 2011-07-19 H. S. Matis , F. Bieser , S. Kleinfelder , G. Rai , F. Retiere , H. G. Ritter , K. Singh , S. E. Wurzel , H. Wieman , E. Yamamoto

Precise measurements of spectra of cosmic ray electrons and positrons can effectively probe the nature of dark matter (DM) particles. In a class of models where DM particles initially annihilate into a pair of intermediate particles which…

High Energy Physics - Phenomenology · Physics 2018-09-26 Lei Zu , Cun Zhang , Lei Feng , Qiang Yuan , Yi-Zhong Fan

The Alpha Magnetic Spectrometer in a precursor version (AMS-01), was flown in June 1998 on a 51.6 degrees orbit and at altitudes ranging between 320 and 390 km, on board of the space shuttle Discovery (flight STS-91). AMS-01 included an…

Can we learn about New Physics with astronomical and astro-particle data? Since its launch in 2008, the Large Area Telescope, onboard of the Fermi Gamma-ray Space Telescope, has detected the largest amount of gamma rays in the 20 MeV - 300…

High Energy Astrophysical Phenomena · Physics 2022-03-02 A. Morselli , E. Nuss , G. Zaharijas

A combined interpretation of the CALET $e^+\, +\, e^-$ spectrum up to 3 TeV and the AMS-02 positron spectrum up to 500 GeV was performed and the results are discussed. To parametrize the background electron flux, we assume a smoothly broken…

High Energy Astrophysical Phenomena · Physics 2018-10-23 S. Bhattacharyya , H. Motz , Y. Asaoka , S. Torii

The most complete catalogue of nearby stars (Gliese and Jarheiss, 1991) has been used to search for the stars whose photospheric thermal emission can be detected by the future millimeter array ALMA. We found that 446 nearby stars with…

Astrophysics · Physics 2007-05-23 Jean-Francois Lestrade

In a recent letter, the AMS collaboration reported the detailed and extensive data concerning the distribution in energy of electron and positron cosmic rays. A central result of the experimental work resides in the energy regime $30\ {\rm…

High Energy Physics - Phenomenology · Physics 2015-02-10 A. Widom , J. Swain , Y. N. Srivastava

Recently different experiments mention to have observed a large scale cosmic-ray anisotropy at TeV energies, e.g. Milagro, Tibet and Super-Kamiokande. For these energies the cosmic-rays are expected to be nearly isotropic. Any measurements…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Salvatore Mangano

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…

High Energy Astrophysical Phenomena · Physics 2021-06-10 Benedikt Schroer , Carmelo Evoli , Pasquale Blasi

Active Galactic Nuclei are the dominant sources of gamma rays outside our Galaxy and also candidates for being the source of ultra-high energy cosmic rays. In addition to being emitters of broad-band non-thermal radiation throughout the…

Instrumentation and Methods for Astrophysics · Physics 2019-06-26 Michael Backes , Markus Böttcher , Heino Falcke

PAMELA's observation that the cosmic ray positron fraction increases rapidly with energy implies the presence of primary sources of energetic electron-positron pairs. Of particular interest is the possibility that dark matter annihilations…

High Energy Physics - Phenomenology · Physics 2014-11-20 Dan Hooper , Kathryn M. Zurek

The measurement of cosmic rays at energies exceeding 100 TeV per nucleon is crucial for enhancing the understanding of high-energy particle propagation and acceleration models in the Galaxy. HERD is a space-borne calorimetric experiment…

The advance in laser plasma acceleration techniques pushes the regime of the resulting accelerated particles to higher energies and intensities. In particular the upcoming experiments with the FLAME laser at LNF will enter the GeV regime…

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…

High Energy Astrophysical Phenomena · Physics 2017-02-01 Francesco Nozzoli

Precision measurements of charged cosmic rays have recently been carried out by space-born (e.g. AMS-02), or ground experiments (e.g. HESS). These measured data are important for the studies of astro-physical phenomena, including supernova…

High Energy Astrophysical Phenomena · Physics 2020-03-05 Xiao-Lin Luo , Jie Feng , Hong-Hao Zhang

The Dark Matter Particle Explorer (DAMPE) is a satellite-borne detector designed to detect high-energy cosmic ray particles with its core component being a BGO calorimeter capable of measuring energies from $\sim$GeV to $O(100)$ TeV. The 32…

High Energy Physics - Experiment · Physics 2025-10-07 JingJing Zang , Chuan Yue , Qiang Yuan , Wei Jiang , Xiang Li , Yunlong Zhang , Cong Zhao , Fabio Gargano

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

The Advanced Gamma-ray Imaging System (AGIS) is a next-generation ground-based gamma-ray observatory being planned in the U.S. The anticipated sensitivity of AGIS is about one order of magnitude better than the sensitivity of current…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 G. Maier
‹ Prev 1 8 9 10 Next ›