Photons, neutrinos, and large compact space dimensions

被引：8
作者：
Dicus, DA [1 ]
Kovner, K
Repko, WW
机构：
[1] Univ Texas, Ctr Particle Phys, Austin, TX 78712 USA
[2] Univ Texas, Dept Phys, Austin, TX 78712 USA
[3] Schreiber High Sch, Port Washington, NY 11050 USA
[4] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
来源：
PHYSICAL REVIEW D | 2000年 / 62卷 / 05期
关键词：
D O I：
10.1103/PhysRevD.62.053013
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compute the contribution of Kaluza-Klein graviton exchange to the cross section for photon-neutrino scattering. Unlike the usual situation where the virtual graviton exchange represents a small correction to a leading: order electroweak or strong amplitude, in this case the graviton contribution is of the same order as the electroweak amplitude, or somewhat larger, inclusion of the graviton contribution is not sufficient to allow high energy neutrinos to scatter from relic neutrinos in processes such as nu<(nu)over bar> --> gamma gamma, but the photon-neutrino decoupling temperature is substantially reduced.
引用
收藏
页码：1 / 5
页数：5
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