Retarded/Advanced Correlation Functions and Soft Photon Production in the Hard Loop Approximation

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dc.creatorAurenche, P.
dc.creatorBecherrawy, T.
dc.creatorPetitgirard, E.
dc.date1994-03-21
dc.date.accessioned2026-07-07T03:56:45Z
dc.date.available2026-07-07T03:56:45Z
dc.descriptionWe apply the retarded/advanced formalism of real time field theory to the QED or QED like case. We obtain a general expression for the imaginary part of the two-point correlation function in terms of discontinuities. The hard loop expansion is derived. The formalism is used to extract the divergent part of the soft fermion loop contribution to the real soft photon production.
dc.description11 figures available (PETITG@LAPVAX.IN2P3.FR), ENSLAPP-A-452/93, NSF-ITP-93-155
dc.identifierhttps://arxiv.org/abs/hep-ph/9403320
dc.identifierhttp://arxiv.org/abs/hep-ph/9403320
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/45115
dc.subjectHigh Energy Physics - Phenomenology
dc.titleRetarded/Advanced Correlation Functions and Soft Photon Production in the Hard Loop Approximation
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