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Ultrahigh energy cosmic rays from a nearby extragalactic source in the diffusive regime

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F19%3A00546485" target="_blank" >RIV/68378271:_____/19:00546485 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1103/PhysRevD.99.103010" target="_blank" >https://doi.org/10.1103/PhysRevD.99.103010</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevD.99.103010" target="_blank" >10.1103/PhysRevD.99.103010</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Ultrahigh energy cosmic rays from a nearby extragalactic source in the diffusive regime

  • Original language description

    We study the effects that the diffusion of cosmic rays in the magnetic field of the Local Supercluster can have on the spectrum of a nearby extragalactic source at ultrahigh energies. We find that the strong enhancement of the flux below the energy at which the transition between the diffusive and quasirectilinear regimes takes place, as well as the suppression at lower energies associated with a finite source age, can help to explain the observed features of the cosmic-ray spectrum and composition. Scenarios are discussed in which a nearby extragalactic source with mixed composition and a rigidity-dependent spectrum accounts for most of the observed cosmic rays at energies above a few EeV, while the rest of the extragalactic sources lead to a diffuse flux that dominates at lower energies and down to similar to 0.1 EeV.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10303 - Particles and field physics

Result continuities

  • Project

  • Continuities

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review D

  • ISSN

    2470-0010

  • e-ISSN

    2470-0029

  • Volume of the periodical

    99

  • Issue of the periodical within the volume

    10

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    15

  • Pages from-to

    103010

  • UT code for WoS article

    000468224000001

  • EID of the result in the Scopus database

    2-s2.0-85066439524