July 31, 2017 to August 4, 2017
Fermi National Accelerator Laboratory
US/Central timezone

Direct CP asymmetry in D -> pi^+\pi^- and D -> K^+K^- from QCD Light-Cone Sum Rules

Aug 3, 2017, 1:48 PM
18m
Curia II (Fermi National Accelerator Laboratory)

Curia II

Fermi National Accelerator Laboratory

Presentation Quark and Lepton Flavor Quark and Lepton Flavor

Speaker

Prof. Alexey Petrov (Wayne State University / MCTP)

Description

Precise unambiguous predictions of CP-violating observables in charm decays are hard and often plagued by non-perturbative uncertainties. We calculate hadronic matrix elements with penguin topology in the weak nonleptonic D -> pi^+\pi^- and D -> K^+K^- decays using techniques of light-cone QCD sum rules. With that, we perform numerical analysis and estimate the direct CP-asymmetry in D -> pi^+\pi^- and D -> K^+K^- decays.

Primary author

Prof. Alexey Petrov (Wayne State University / MCTP)

Co-author

Prof. Alexander Khodjamirian (Siegen U)

Presentation materials