Z boson decay to photon plus Kaluza-Klein graviton: large extra dimensional bounds

Details Z boson decay to photon plus Kaluza-Klein graviton: large extra dimensional bounds Z boson decay to photon plus Kaluza-Klein graviton: large extra dimensional bounds

2007-09-18

arxiv.org/abs/0709.2929v3

Eur. Phys. J. C 55, 107-112 (2008)

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 5 figures; uses feynmp. v3: numerical results amended to reflect correction to earlier paper, other text edits; v2: r

Scientific paper

10.1140/epjc/s10052-008-0583-9

We consider the phenomenology of the decay of a Z boson into a photon and a
Kaluza-Klein excitation of the graviton in the ADD model. Using LEP data, we
obtain an upper bound on the branching ratio corresponding to this process of
~10^-11. We also investigate energy profiles of the process.

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