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Title: Interpretation of AMS-02 electrons and positrons data

We perform a combined analysis of the recent AMS-02 data on electrons, positrons, electrons plus positrons and positron fraction, in a self-consistent framework where we realize a theoretical modeling of all the astrophysical components that can contribute to the observed fluxes in the whole energy range. The primary electron contribution is modeled through the sum of an average flux from distant sources and the fluxes from the local supernova remnants in the Green catalog. The secondary electron and positron fluxes originate from interactions on the interstellar medium of primary cosmic rays, for which we derive a novel determination by using AMS-02 proton and helium data. Primary positrons and electrons from pulsar wind nebulae in the ATNF catalog are included and studied in terms of their most significant (while loosely known) properties and under different assumptions (average contribution from the whole catalog, single dominant pulsar, a few dominant pulsars). We obtain a remarkable agreement between our various modeling and the AMS-02 data for all types of analysis, demonstrating that the whole AMS-02 leptonic data admit a self-consistent interpretation in terms of astrophysical contributions.
Authors:
; ; ;  [1] ;  [2]
  1. Dipartimento di Fisica, Università di Torino, via P. Giuria 1, 10125 Torino (Italy)
  2. AHEP Group, Institut de Física Corpuscular, C.S.I.C. Universitat de València, Edificio Institutos de Paterna, Apt 22085, E-46071 Valencia (Spain)
Publication Date:
OSTI Identifier:
22373671
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Cosmology and Astroparticle Physics; Journal Volume: 2014; Journal Issue: 04; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ASTROPHYSICS; CATALOGS; ELECTRONS; ENERGY RANGE; HELIUM; INTERACTIONS; NEBULAE; POSITRONS; PRIMARY COSMIC RADIATION; PROTONS; PULSARS; SIMULATION; SUPERNOVA REMNANTS