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American Physical Society, Physical Review D, 6(87), 2013

DOI: 10.1103/physrevd.87.063011

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Diffuse PeV neutrino emission from ultraluminous infrared galaxies

Journal article published in 2013 by Hao-Ning He, Tao Wang ORCID, Yi-Zhong Fan, Si-Ming Liu, Da-Ming Wei
This paper is available in a repository.
This paper is available in a repository.

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Postprint: archiving allowed
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Data provided by SHERPA/RoMEO

Abstract

Ultra-luminous infrared galaxies (ULIRGs) are the most luminous and intense starburst galaxies in the Universe. Both their star-formation rate (SFR) and gas surface mass density are very high, implying a high supernovae rate and an efficient energy conversion of energetic protons. A small fraction of these supernovae is the so-called hypernovae with a typical kinetic energy ~1e52 erg and a shock velocity >=1e9 cm/s. The strong shocks driven by hypernovae are able to accelerate cosmic ray protons up to 1e17 eV. These energetic protons lose a good fraction of their energy through proton-proton collision when ejected into very dense interstellar medium, and as a result, produce high energy neutrinos (