Double-lepton polarization asymmetries and branching ratio of the B -> gamma l(+)l(-) transition in universal extra dimension

Azizi, K.; Pak, N.; Sirvanli, BERİN

doi:10.1007/jhep02(2012)034

Double-lepton polarization asymmetries and branching ratio of the B -> gamma l(+)l(-) transition in universal extra dimension

Atıf İçin Kopyala

Azizi K., Pak N. K., Sirvanli B. B.

JOURNAL OF HIGH ENERGY PHYSICS, sa.2, 2012 (SCI-Expanded)

Yayın Türü: Makale / Tam Makale
Basım Tarihi: 2012
Doi Numarası: 10.1007/jhep02(2012)034
Dergi Adı: JOURNAL OF HIGH ENERGY PHYSICS
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
Gazi Üniversitesi Adresli: Evet

Özet

We study the radiative dileptonic B ->gamma l(+)l(-) transition in the presence of a universal extra dimension in the Applequist-Cheng-Dobrescu model. In particular, using the corresponding form factors calculated via light cone QCD sum rules, we analyze the branching ratio and double lepton polarization asymmetries related to this channel and compare the results with the predictions of the standard model. We show how the results deviate from predictions of the standard model at lower values of the compactification factor (1/R) of extra dimension.