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IAS PROGRAM ON PARTICLE THEORY
Effective Field Theory Approach to Lepton Number Violation: Dimension Seven Operators
Prof. LIAO Yi, Nankai University
Date : 9 Jul 2019 (Tuesday)
Time : 2:00 pm
Venue : IAS4042, 4/F, Lo Ka Chung Building, Lee Shau Kee Campus, HKUST

Abstract

Effective field theory offers an appropriate approach to lepton-number violating processes at low energy and to connecting to the origin of lepton number violation at high energy scale. In this talk, the speaker will focus on dimension seven operators appearing in standard model effective field theory. He will also discuss their completeness and independence, and their renormalization. Furthermore, the speaker will explain how to extract anomalous dimensions for a suitably chosen basis of operators constrained by nontrivial flavor relations. As simple illustrations, he will estimate renormalization effects on neutrinoless double beta decay and unusual proton decay.

References: arXiv: 1901.10302, 1701.08019, 1612.04527, 1607.07309


About the program

For more information, please refer to the program website at http://iasprogram.ust.hk/particle_theory.

HKUST Jockey Club Institute for Advanced Study
Enquiries: ias@ust.hk / 2358 5912
http://ias.ust.hk

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