Finite Temperature Wave-Function Renormalization, A Comparative Analysis

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dc.creatorChapman, Ian
dc.date1997-01-28
dc.date.accessioned2026-07-07T12:03:20Z
dc.date.available2026-07-07T12:03:20Z
dc.descriptionWe compare two competing theories regarding finite temperature wave-function corrections for the process $H \to e^+e^-$ and for $n+ν\to p+e^-$ and related processes of interest for primordial nucleosynthesis. Although the two methods are distinct (as shown in $H \to e^+e^-$) they yield the same finite temperature correction for all $n\to p$ and $p \to n$ processes. Both methods yield an increase in the He/H ratio of .01% due to finite temperature renormalization rather than a decrease of .16% as previously predicted.
dc.description12 pages, 3 figures. LaTeX
dc.identifierhttps://arxiv.org/abs/hep-ph/9701403
dc.identifierhttp://arxiv.org/abs/hep-ph/9701403
dc.identifierPhys.Rev.D55:6287-6291,1997
dc.identifierdoi:10.1103/PhysRevD.55.6287
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207747
dc.subjectHigh Energy Physics - Phenomenology
dc.titleFinite Temperature Wave-Function Renormalization, A Comparative Analysis
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