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    • Entering the cosmic ray precision era

      PASQUALE DARIO SERPICO

      Review Volume 39 Issue 4 August 2018 Article ID 0041

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/joaa/039/04/0041

    • Keywords

       

      Cosmic rays; astroparticle physics; interstellar medium.

    • Abstract

       

      Here we outline some recent activities in the theory and phenomenology of Galactic cosmic rays, in the light of the great precision of direct cosmic ray measurements reached in the last decade. In the energy domain of interest, ranging from a few GeV/nucleon to tens of TeV/nucleon, data have revealed some novel features requiring an explanation.We shall emphasize the importance of a more refined modeling, of achieving a better assessment of theoretical uncertainties associated to the models, and of testing key predictions specific of different models against the rich datasets available nowadays. Despite the still shaky theoretical situation, several hints have accumulated suggesting the need to go beyond the approximation of a homogeneous and non-dynamical diffusion coefficient in the Galaxy.

    • Author Affiliations

       

      PASQUALE DARIO SERPICO1

      1. USMB, CNRS, LAPTh, Univ. Grenoble Alpes, 74940 Annecy, France.

    • Dates

       
      Published
      30 August 2018
      Manuscript received
      5 April 2018
      Accepted
      18 May 2018
      Final version published online
      11 July 2018

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