[NCTS Seminar - Particle Physics Journal Club] Renormalizing Higgs decays in the Standard Model Effective Field Theory

  • Event Date: 2025-03-17
  • High energy phenomenology
  • Speaker: Dr. Jasper Roosmale Nepveu (NTU)  /  Host:
    Place: NCTS Physics 4F Lecture Hall, Cosmology Hall, NTU

Speaker: Dr. Jasper Roosmale Nepveu (NTU)
Talk title: Renormalizing Higgs decays in the Standard Model Effective Field Theory
Time: 2025/03/17 (Mon.) 12:30
Place: NCTS Physics 4F Lecture Hall, Cosmology Hall, NTU

Abstract: 
The renormalization group (RG) relates parameters of a quantum field theory between different energy scales. Especially in effective field theories, which deal with large scale separations, the RG evolution plays an important role. Moreover, due to the large number of parameters in the Standard Model Effective Field Theory (SMEFT), there are intricate RG mixing patterns between them. In my talk, I will introduce the SMEFT and I will identify an observable to which the renormalization group provides an enhanced contribution, with phenomenological relevance. Time permitting, I will discuss a general class of RG mixing which is manifestly positive, thereby pinpointing more relevant directions in parameter space. 

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