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【4.3】Effective field theory approach to lepton number violation: dimension seven operators
2019-03-27|文章来源: |【
 

  新葡萄娱乐在线网站理论物理室学术活动

  Title: Effective field theory approach to lepton number violation: dimension seven operators

  Speaker: Prof. Yi Liao (Nankai University)

  Time: 10:00am, Apr. 3rd, (Wednesday), 2019

  Place: Seminar room 319, Theoretical Physics Division

  Abstract:

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

  Reminder: I delivered exactly the same seminar on Mar 22 at TDLI, Jiao-Tong Univ. Please ignore this seminar if you were present there.


 
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