Cross sections for production of closed superstrings at high energy colliders in brane world models

Details Cross sections for production of closed superstrings at high energy colliders in brane world models Cross sections for production of closed superstrings at high energy colliders in brane world models

2005-03-14

arxiv.org/abs/hep-ph/0503125v3

Phys.Rev. D71 (2005) 106009

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 3 figures. Reference added

Scientific paper

10.1103/PhysRevD.71.106009

In brane world string models with large extra dimensions, there are processes where fermion and antifermion (or two gluons) can annihilate producing a light particle (e.g. gluon) carrying transverse momentum and a Kaluza-Klein graviton or an excited closed string that propagates in the extra dimensions. In high energy colliders, this process gives a missing momentum signature. We compute the total cross section for this process within the context of type II superstring theory in the presence of a D brane. This includes all missing energy sources for this string theory model up to s=8M_s^2, and it can be used to put new limits on the string scale M_s.

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