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Bound on minimal universal extra dimensions from B̄→Xsγ

Abstract:

We reexamine the constraints on universal extra dimensional models arising from the inclusive radiative B̄→Xsγ decay. We take into account the leading order contributions due to the exchange of Kaluza-Klein modes as well as the available next-to-next-to-leading order corrections to the B̄→Xsγ branching ratio in the standard model. For the case of one large flat universal extra dimension, we obtain a lower bound on the inverse compactification radius 1/R>600GeV at 95% confidence level that ...

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Publisher copy:
10.1103/PhysRevD.76.034014

Authors


Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
76
Issue:
3
Publication date:
2007-08-23
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:c99f3b16-88b1-43ca-b8cd-dea89ed8745c
Source identifiers:
160587
Local pid:
pubs:160587
Language:
English

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