Double-lepton polarization asymmetries and branching ratio of the B -> gamma l(+)l(-) transition in universal extra dimension
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KünyeAZİZİ, K., PAK, N.K., ŞİRVANLI, B.B. (2012). Double-lepton polarization asymmetries and branching ratio of the B -> gamma l(+)l(-) transition in universal extra dimension. Journal of High Energy Physics, Issue 2, pp. 035010/1-035010/9. http://dx.doi.org/10.1007/JHEP02(2012)034.
We study the double-lepton polarization asymmetries and single and double-lepton polarization forward-backward asymmetries of the rare b ! s‘þ‘ mode within the standard model and in the Appelquist-Cheng-Dobrescu model, which is a new physics scenario with a single universal extra dimension. In particular, we examine the sensitivity of the observables to the radius R of the compactified extra dimension, which is the new parameter in this new physics model.