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Search for CP Violation in D-meson Decays

Search for CP Violation in D-meson Decays PDF Author: Gay Bernadette Stewart
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Languages : en
Pages : 268

Book Description
Using data from the Mark III detector at the $esp+esp-$ storage ring at SPEAR, an upper limit of.30 at the 90% confidence level is set on the magnitude of the CP asymmetry $Asb{cp}$ for the CP eigenstate $Dsp0to Ksp+Ksp-.$ This falls within the preexisting limit of.45 @ 90% CL set by FNAL experiment E687 using the same decay. The first measurement of $Asb{cp}$ is made for two other CP eigenstates, $Dsp0to Ksbsp{s}{0}Ksbsp{s}{0}$ and $Dsp0to pisp+pisp-.$ An upper limit for the branching ratio for the decay, $Dsp0to Ksp-pisp+pisp0pisp0pisp0,$ for which evidence was found in the process of measuring $Asb{cp},$ is set at 12.1%.
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