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Parton content of the real photon: astrophysical implications

2008/03/31 by I. Alikhanov · 1 citation
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1140/epjc/s10052-008-0684-5

published as Eur.Phys.J.C56:479-482,2008; Erratum-ibid.C60:691,2009 · 4 pages, 2 figures. The spin states of the initial particles in the reaction $νγ\to W^+X$ are correctly treated. As a result, the corresponding cross section becomes two times greater than the one from the previous version. Some changes in the text

openalex publication_date 2008/08/01 · arxiv created 2009/01/26 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/29

Abstract

We possess convincing experimental evidence for the fact that the real photon has non-trivial parton structure. On the other hand, interactions of the cosmic microwave background photons with high energy particles propagating through the Universe play an important role in astrophysics. In this context, to invoke the parton content could be convenient for calculations of the probabilities of different processes involving these photons. As an example, the cross section of inclusive resonant W+ boson production in the reaction νγ→ W+X is calculated by using the parton language. Neutrino--photon deep inelastic scattering is considered.

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