The exclusive B to K*(to K pi) l+ l- decay: CP conserving observables
U. Egede, T. Hurth, J. Matias, M. Ramon, W. Reece
TL;DR
This paper analyzes CP-conserving observables in the B to K* l+ l- decay, focusing on polarization states and effects of right-handed currents at large recoil energy within the QCDF framework.
Contribution
It provides a detailed analysis of polarization observables in B to K* l+ l- decay, emphasizing the impact of right-handed currents at large recoil energy.
Findings
Behavior of CP-conserving observables AT2, AT3, and AT4 at large recoil energy.
Impact of right-handed currents on polarization observables.
Framework based on QCDF for analyzing B meson decays.
Abstract
We study the K* polarization states in the exclusive 4-body B meson decay B to K* (to K pi) l+ l- in the low dilepton mass region working in the framework of QCDF. We review the construction of the CP conserving transverse and transverse/longitudinal observables AT2, AT3, and AT4. We focus here, on analyzing their behaviour at large recoil energy in presence of right-handed currents.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Neutrino Physics Research