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Published in 2021 at "New Astronomy"
DOI: 10.1016/j.newast.2020.101540
Abstract: Abstract In this work, we study a generalized interacting holographic dark energy model (GIHDEM) with a parameterized coupling constant in the spatially flat universe filled with the holographic dark energy (HDE) and dark matter (DM).…
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Keywords:
energy cosmic;
generalized holographic;
dark energy;
coincidence ... See more keywords
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Published in 2023 at "Research in Astronomy and Astrophysics"
DOI: 10.1088/1674-4527/acdabd
Abstract: Precise measurements of the spectra of secondary and primary cosmic rays are crucial for understanding the origin and propagation of those energetic particles. The High Energy cosmic-Radiation Detection (HERD) facility onboard China’s Space Station, which…
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Keywords:
high energy;
cosmic radiation;
cosmic rays;
radiation detection ... See more keywords
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Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz094
Abstract: Active galactic nuclei (AGNs) are considered to be one of the most appropriate sources of ultra high energy cosmic rays (UHECRs, $E \gtrsim 10^{18} \mathrm{~eV}$). Radiogalaxy Virgo A (M87) in the centre of a cluster…
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Keywords:
energy cosmic;
high energy;
ultra high;
virgo ... See more keywords
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Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.103004
Abstract: Transrelativistic supernovae (SNe), which are likely driven by central engines via jets or winds, have been among candidate sources of ultrahigh-energy cosmic rays (UHECRs). We investigate acceleration and survival of UHECR nuclei in the external…
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Keywords:
energy cosmic;
ray nuclei;
energy;
ultrahigh energy ... See more keywords
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Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.063005
Abstract: The flux of ultrahigh energy cosmic rays reaching the Earth is affected by the interactions with the cosmic radiation backgrounds as well as with the magnetic fields that are present along their trajectories. We combine…
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Keywords:
magnetic fields;
cosmic rays;
energy cosmic;
ultrahigh energy ... See more keywords
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Published in 2017 at "Physical Review D"
DOI: 10.1103/physrevd.96.023010
Abstract: We study the propagation of ultra-high-energy cosmic rays in the magnetised cosmic web. We focus on the particular case of highly magnetised voids ($B \sim \text{nG}$), using the upper bounds from the Planck satellite. The…
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Keywords:
energy cosmic;
magnetic fields;
astronomy;
implications strong ... See more keywords
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Published in 2018 at "Physical Review D"
DOI: 10.1103/physrevd.98.022002
Abstract: One of the uncertainties in the interpretation of ultrahigh energy cosmic ray data comes from the hadronic interaction models used for air shower Monte Carlo (MC) simulations. The number of muons observed at the ground…
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Keywords:
energy cosmic;
energy;
cosmic ray;
air showers ... See more keywords
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Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.99.063012
Abstract: The luminosity densities of high-energy cosmic radiations are studied to find connections among the various components, including high-energy neutrinos measured with IceCube and gamma rays with the Fermi satellite. Matching the cosmic-ray energy generation rate…
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Keywords:
cosmic radiations;
energy cosmic;
gamma rays;
high energy ... See more keywords
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Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.99.103016
Abstract: In 15 years of data taking the Pierre Auger Observatory has observed no events beyond $10^{11.3}$ GeV. This null result translates into an upper bound on the flux of ultrahigh-energy cosmic rays implying $J (>…
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Keywords:
dark matter;
cosmic rays;
energy cosmic;
energy ... See more keywords
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Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.119.259902
Abstract: This corrects the article DOI: 10.1103/PhysRevLett.117.241101.
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Keywords:
energy cosmic;
constraints ultrahigh;
117 241101;
erratum constraints ... See more keywords
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Published in 2018 at "International Journal of Modern Physics E"
DOI: 10.1142/s0218301318500738
Abstract: The gluon condensation (GC)-effects in high energy cosmic rays are investigated. After a brief review of the GC, several examples including gamma-, electron- and positron-spectra in a broad [Formula: see text] region can be explained…
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Keywords:
energy cosmic;
gluon condensation;
energy;
high energy ... See more keywords