Direct CPV in two-body and multi-body charm decays at LHCb
Evelina Gersabeck (on behalf of the LHCb collaboration)
TL;DR
This paper reports on LHCb's high-precision measurements of direct CP violation in various charm decays, testing Standard Model predictions and searching for signs of new physics.
Contribution
It presents the most recent LHCb results on direct CP violation in charm decays, utilizing the largest dataset to date for such analyses.
Findings
No significant CP violation observed beyond Standard Model expectations
Enhanced sensitivity achieved compared to previous measurements
Results constrain possible new physics contributions in charm decays
Abstract
The Standard Model predicts CP asymmetries in charm decays of and the observation of significantly larger CP violation could indicate non-Standard Model physics effects. During 2011 and 2012, the LHCb experiment collected a sample corresponding to 3/fb yielding the world's largest sample of decays of charmed hadrons. This allowed the CP violation in charm to be studied with unprecedented precision in many two- body and multibody decay modes. The most recent LHCb searches for direct CP violation are presented in these proceedings.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Neutrino Physics Research · Dark Matter and Cosmic Phenomena