Physics PAN Seminar by Prof. Joachim Brod (University of Cincinnati, USA)

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Date: November 13, 2020
Time: 3:30 p.m. - 4:30 p.m.
Location: on Zoom | Map
Category: Seminar

Physics PAN Seminar by Dr. Joachim Moritz Brod (University of Cincinnati, USA)

Title: Precision Standard-Model Prediction of epsilon_K

Abstract: The parameter epsilon_K describes CP violation in the neutral kaon system and is one of the most sensitive probes of new physics. The large uncertainties related to the charm-quark contribution to epsilon_K have so far prevented a reliable standard-model prediction. In this talk, I will review mixing in the neutral kaon system, and then show that CKM unitarity suggests a unique form of the weak effective Hamiltonian in which the short-distance theory uncertainty of the imaginary part is dramatically reduced. The uncertainty related to the charm-quark contribution is now at the percent level. I will conclude with an outlook on further calculations that have the potential to render epsilon_K a precision observable on par with the rare kaon decays.


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Passcode: 810058
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Contact

Debojit Sarkar
3138029672
debojit03564@gmail.com

Cost

Free
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