Unparticle effects in Supernovae cooling

dc.creatorDas, Prasanta Kumar
dc.date2007-08-21
dc.date2007-11-08
dc.date.accessioned2026-07-07T11:18:45Z
dc.date.available2026-07-07T11:18:45Z
dc.descriptionRecently H. Georgi suggested that a scale invariant unparticle ${\mathcal{U}}$ sector with an infrared fixed point at high energy can couple with the SM matter via a higher-dimensional operator suppressed by a high cut-off scale. Intense phenomenological search of this unparticle sector in the collider and flavour physics context has already been made. Here we explore it's impact in cosmology, particularly it's possible role in the supernovae cooling. We found that the energy-loss rate (and thus the cooling) is strongly dependent on the effective scale \LdaU and the anomalous dimension \dU of this unparticle theory.
dc.description9 pages, 2 figures, text is modified, references updated and version accepted for publication in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/0708.2812
dc.identifierhttp://arxiv.org/abs/0708.2812
dc.identifierPhys.Rev.D76:123012,2007
dc.identifierdoi:10.1103/PhysRevD.76.123012
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193453
dc.subjectHigh Energy Physics - Phenomenology
dc.titleUnparticle effects in Supernovae cooling
dc.typetext

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