Antiprotons of galactic cosmic radiation in the PAMELA experiment. Bulletin of the Russian Academy of Sciences: Physics Volume 77, Issue 5, May 2013, Pages 602-605

14 сентября 2018
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Контактные данные автора публикации Mayorov, A.G.ab, Adriani, O.ab, Barbarino, G.de, Bazilevskaia, G.A.c et.al.
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Аннотация

A method for antiproton selection against a background of electrons, based on a mathematical model of data classification using variations in interparticle interaction in a calorimeter, and a method for excluding events accompanied by scattering in the inner detectors of a tracking system (which result in errors in the measured trajectorys curvature and charge sign) from analysis are discussed in this paper. Antiproton spectra and antiproton/proton flux ratio at energies of 0.06 to 350 GeV with statistics of events surpassing those in [1] are obtained. The results can be used to create models for the generation and distribution of particles in the Galaxy, and for searching and studying the nature of hypothetical dark matter particles. © 2013 Allerton Press, Inc.
Indexed keywords
Charge sign; Dark matter particles; Data classification; Distribution of particles; Galactic cosmic radiations; Inner Detector; Inter-particle interaction; Tracking system
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