Self Interacting Dark Matter in the Solar System

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dc.creatorGanguly, Avijit K.
dc.creatorJain, Pankaj
dc.creatorMandal, Subhayan
dc.creatorStokes, Sarah
dc.date2006-11-01
dc.date2007-05-09
dc.date.accessioned2026-07-07T11:02:04Z
dc.date.available2026-07-07T11:02:04Z
dc.descriptionWeakly coupled, almost massless, spin 0 particles have been predicted by many extensions of the standard model of particle physics. Recently, the PVLAS group observed a rotation of polarization of electromagnetic waves in vacuum in the presence of transverse magnetic field. This phenomenon is best explained by the existence of a weakly coupled light pseudoscalar particle. However, the coupling required by this experiment is much larger than the conventional astrophysical limits. Here we consider a hypothetical self-interacting pseudoscalar particle which couples weakly with visible matter. Assuming that these pseudoscalars pervade the galaxy, we show that the solar limits on the pseudoscalar-photon coupling can be evaded.
dc.description17 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0611006
dc.identifierhttp://arxiv.org/abs/hep-ph/0611006
dc.identifierPhys.Rev.D76:025026,2007
dc.identifierdoi:10.1103/PhysRevD.76.025026
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188138
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectAstrophysics
dc.titleSelf Interacting Dark Matter in the Solar System
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