The s ---> d gamma decay in and beyond the Standard Model
Abstract
The New Physics sensitivity of the s ---> d gamma transition and its accessibility through hadronic processes are thoroughly investigated. Firstly, the Standard Model predictions for the direct CP-violating observables in radiative K decays are systematically improved. Besides, the magnetic contribution to epsilon prime is estimated and found subleading, even in the presence of New Physics, and a new strategy to resolve its electroweak versus QCD penguin fraction is identified. Secondly, the signatures of a series of New Physics scenarios, characterized as model-independently as possible in terms of their underlying dynamics, are investigated by combining the information from all the FCNC transitions in the s ---> d sector.
Keywords
Cite
@article{arxiv.1103.5992,
title = {The s ---> d gamma decay in and beyond the Standard Model},
author = {Philippe Mertens and Christopher Smith},
journal= {arXiv preprint arXiv:1103.5992},
year = {2015}
}
Comments
54 pages, 14 eps figures