Astro Unparticle Physics

Details Astro Unparticle Physics Astro Unparticle Physics

2007-08-31

arxiv.org/abs/0708.4339v3

JHEP0712:033,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pp., 2 figures, 2 tables; v3: discussion about SN cooling extended for spin-dependent nucleon scattering, references added,

Scientific paper

10.1088/1126-6708/2007/12/033

We investigate the effects of all flavor blind CP-conserving unparticle operators on 5th force experiments, stellar cooling, supernova explosions and compare the limits with each other and with those obtainable from collider experiments. In general, astrophysical bounds are considerably stronger, however they depend strongly on the dimension d_U of the unparticle operator. While for d_U=1, 5th force experiments yield exceedingly strong bounds, the bounds from stellar and supernova cooling are more comparable for d_U=2, with stellar cooling being most restrictive. Bounds on vectorial unparticle couplings are generally stronger than those on scalar ones.

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