| Naslov: | Indications of Proton-Dominated Cosmic-Ray Composition above 1.6 EeV |
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| Avtorji: | ID Abbasi, R.U. (Avtor)
ID Lundquist, Jon Paul, UNG (Avtor), et al. |
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| Datoteke: |
Gradivo nima datotek, ki so prostodostopne za javnost. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u.  |
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Delo ni kategorizirano |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | UNG - Univerza v Novi Gorici
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| Opis: | We report studies of ultrahigh-energy cosmic-ray composition via analysis of depth of air shower maximum (Xmax), for air shower events collected by the High-Resolution Fly’s Eye (HiRes) observatory. The HiRes data are consistent with a constant elongation rate d⟨Xmax⟩/d[log(E)] of 47.9 ± 6.0 (stat) ± 3.2 (syst) g/cm^2/decade for energies between 1.6 and 63 EeV, and are consistent with a predominantly protonic composition of cosmic rays when interpreted via the QGSJET01 and QGSJET-II high-energy hadronic interaction models. These measurements constrain models in which the galactic-to-extragalactic transition is the cause of the energy spectrum ankle at 4×10^18 eV. |
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| Ključne besede: | Cosmic rays, Energy spectrum, Telescope Array, Hybrid, Ultra high energy |
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| Verzija publikacije: | Objavljena publikacija |
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| Leto izida: | 2010 |
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| Št. strani: | 5 |
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| Številčenje: | 19, 104 |
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| PID: | 20.500.12556/RUNG-5159-eb5fe6e9-137f-9b76-9bab-9600e7e8cd1d |
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| COBISS.SI-ID: | 12843779 |
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| DOI: | 10.1103/PhysRevLett.104.161101 |
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| NUK URN: | URN:SI:UNG:REP:CT0VGQVP |
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| Datum objave v RUNG: | 27.04.2020 |
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| Število ogledov: | 3520 |
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| Število prenosov: | 0 |
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| Metapodatki: |    |
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