CP Violation in Tau to K* Decays

Hodgkinson, Mark ; U., /Manchester

Stanford Linear Accelerator Center

关键词: Tau Particles;    Particle Decay;    Pions Plus;    Experiment-Hep,Hepex;    Kaons Neutral Short-Lived;   

DOI  :  10.2172/877233
RP-ID  :  SLAC-R-800
RP-ID  :  AC02-76SF00515
RP-ID  :  877233

美国|英语

来源: UNT Digital Library

【 摘 要 】

A sample of {tau}{sup {+-}} {yields} K*{sup {+-}} decays with K*{sup {+-}} {yields} K{sub S}{sup 0}{pi}{sup {+-}} and K{sub S}{sup 0} {yields} {pi}{sup +}{pi}{sup -}, using 123.4 fb{sup -1} of data collected by the BaBar detector at the Stanford Linear Accelerator Center, is used to search for a direct CP violation effect in the charged Higgs sector. No evidence of CP violation is found and the imaginary part of the charged Higgs coupling, {l_brace}Im{r_brace}({Lambda}), in the Multi-Higgs-Doublet-Model is found to be at -0.284 < {l_brace}Im{r_brace}({Lambda}) < 0.200 at 90% Confidence Level. In addition the installation of the kk2f Monte Carlo generator into the BaBar software framework is described.