Unparticle effects on cosmic ray photon and $e^\pm$

Details Unparticle effects on cosmic ray photon and $e^\pm$ Unparticle effects on cosmic ray photon and $e^\pm$

2009-07-13

arxiv.org/abs/0907.1996v3

JCAP 0910:008,2009

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

13 pages, 7 figures

Scientific paper

10.1088/1475-7516/2009/10/008

We study the effects of unparticle physics on the cosmic ray photon and $e^\pm$, including on the pair production (PP) and elastic scattering (ES) of cosmic ray photon off various background radiations, and on the inverse Compton scattering of cosmic ray $e^\pm$ with cosmic radiations. We compute the spin-averaged amplitudes squared of three processes and find that the advent of unparticle will never significantly change the interactions of cosmic ray photon and $e^\pm$ with various background radiations, although the available papers show that ES which occurs in the tree-level through unparticle exchanges will easily surpass PP in the approximate parameter regions.

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