Z boson decay to photon plus Kaluza-Klein graviton in large extra dimensions

Details Z boson decay to photon plus Kaluza-Klein graviton in large extra dimensions Z boson decay to photon plus Kaluza-Klein graviton in large extra dimensions

2007-05-14

arxiv.org/abs/0705.1953v4

JHEP 0711:089,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

47 pages, uses feynmp for diagrams. v2: typographical corrections for letter-sized paper and to correct feynmf parsing error.

Scientific paper

10.1088/1126-6708/2007/11/089

In the large extra dimensional ADD scenario, Z bosons undergo a one-loop decay into a photon and Kaluza-Klein towers of gravitons/gravi-scalars. We calculate such a decay width, extending previous arguments about the general form of the four-dimensional on-shell amplitude. The amplitudes calculated are relevant to processes in other extra dimensional models where the Standard Model fields are confined to a 4-brane.

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