Double-lepton polarization asymmetries in the exclusive B ->rho l+l(-) decay beyond the standard model

Download

index.pdf

Date

2005-08-01

Author

Alıyev, Tahmasıb
Savcı, Mustafa

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

23
views

0
downloads

The double-lepton polarization asymmetries in B ->rho l(+)l(-) decay are analyzed in a model independent framework. The general expressions for nine double-polarization asymmetries are calculated. It is shown that the study of the double-lepton polarization asymmetries proves to be a very useful tool in looking for new physics beyond the standard model.

Subject Keywords

Nuclear and High Energy Physics

URI

https://hdl.handle.net/11511/41965

Journal

PHYSICAL REVIEW D

DOI

https://doi.org/10.1103/physrevd.72.034031

Collections

Department of Physics, Article

Suggestions

OpenMETU
Core

Double-lepton polarizations in B -> l(+)l(-)gamma decay Alıyev, Tahmasıb; Savcı, Mustafa (American Physical Society (APS), 2005-02-01) Double-lepton polarization asymmetries in the B-->l(+)l(-)gamma decay are calculated using the most general, model independent form of the effective Hamiltonian including all possible forms of the interaction. The dependencies of the asymmetries on new Wilson coefficients are investigated. The detectability of the averaged double-lepton polarization asymmetries at LHC is also discussed.
Exclusive B ->rho l(+)l(-) decay and polarized lepton pair forward-backward asymmetries Alıyev, Tahmasıb; Savcı, Mustafa (American Physical Society (APS), 2006-02-01) The polarized lepton pair forward-backward asymmetries in B ->rho l(+)l(-) decay using a general, model independent form of the four-Fermi interaction is studied. The general expressions for nine double-lepton polarization forward-backward asymmetries are calculated. The study of the forward-backward asymmetries of the doubly polarized lepton pair proves to be a very useful tool in looking for new physics beyond the standard model.
Double-lepton polarization asymmetries and polarized forward backward asymmetries in the rare b -> sl(+)l(-) decays in a single universal extra dimension scenario BASHIRY, VALİ; Bayar, M.; Azizi, K. (American Physical Society (APS), 2008-08-01) We study the double-lepton polarization asymmetries and single and double-lepton polarization forward-backward asymmetries of the rare b -> sl(+)l(-) 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.
Double-lepton polarization asymmetries and branching ratio in B -> K-0(*)(1430)l(+)l(-) transition from universal extra dimension model ŞİRVANLI, BERİN BELMA; AZİZİ, KAZEM; İpekoğlu, Yusuf (Springer Science and Business Media LLC, 2011-01-01) We investigate the B -> K-0(*)(1430)l(+)l(-) transition in the Applequist-Cheng-Dobrescu model in the presence of a universal extra dimension. In particular, we calculate double lepton polarization asymmetries and branching ratio related to this channel and compare the obtained results with the predictions of the standard model. Our analysis of the considered observables in terms of radius R of the compactified extra-dimension as the new parameter of the model show a considerable discrepancy between the pre...
Two Higgs doublet model and lepton polarization in the B -> K tau(+)tau(-) decay Alıyev, Tahmasıb; Savcı, Mustafa; Özpineci, Altuğ (IOP Publishing, 1998-01-01) The decay width, forward-backward asymmetry and tau lepton longitudinal and transversal polarization for the exclusive B --> K tau(+)tau(-) decay in a two Higgs doubler model are computed. It is shown that the forward-backward asymmetry and longitudinal polarization of the tau lepton are very effective tools for establishing near physics.

Citation Formats

T. Alıyev and M. Savcı, “Double-lepton polarization asymmetries in the exclusive B ->rho l+l(-) decay beyond the standard model,” PHYSICAL REVIEW D, pp. 0–0, 2005, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/41965.