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The effective matter potential for highly relativistic neutrinos
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
KTH, School of Engineering Sciences (SCI), Theoretical Physics.ORCID iD: 0000-0002-3525-8349
2006 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 634, no 03-feb, 267-271 p.Article in journal (Refereed) Published
Abstract [en]

We investigate matter effects on highly relativistic neutrinos. The self-energy of neutrinos is determined in an electron or neutrino background taking into account resonance and finite width effects of the gauge bosons. We find minor changes compared to the formerly used formula for the propagator function and large deviations of the effective width from the decay width of the gauge bosons considering higher moments of the electron or neutrino distribution function.

Place, publisher, year, edition, pages
Elsevier B.V. , 2006. Vol. 634, no 03-feb, 267-271 p.
Keyword [en]
finite-temperature, oscillations, dispersion, spectroscopy, derivation
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-15500DOI: 10.1016/j.physletb.2006.01.045ISI: 000235859800030ScopusID: 2-s2.0-33144490643OAI: oai:DiVA.org:kth-15500DiVA: diva2:333541
Funder
Swedish Research Council, 621-2001-1611Swedish Research Council, 621-2002-3577
Note
QC 20100525Available from: 2011-06-21 Created: 2010-08-05 Last updated: 2011-06-21Bibliographically approved

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Publisher's full textScopusPhysics Letters Bhttp://arxiv.org/abs/hep-ph/0511010

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