Split-UED and Dark Matter

Details Split-UED and Dark Matter Split-UED and Dark Matter

2009-01-07

arxiv.org/abs/0901.0720v2

Phys.Rev.D79:091702,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, 1 table

Scientific paper

10.1103/PhysRevD.79.091702

Motivated by the recent observation of the high energy electron and positron excesses in cosmic ray by PAMELA and ATIC/PPB-BETS, we suggest an anomaly-free scenario for the universal extra dimension that localizes the SM quarks and splits the spectrum of KK quarks from KK leptons. When the SM quarks are "well localized" at the boundaries, the most stringent bound of the model ($1/R > 510$ GeV) comes from the resonance search for the Tevatron dijet channels. Even at the early stage of LHC, one can discover the second KK gluon for masses up to 4 TeV.

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