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SUMMARY:Asymptotically safe gravity as a guiding light to particle phenome
 nology
DTSTART;VALUE=DATE-TIME:20241212T081500Z
DTEND;VALUE=DATE-TIME:20241212T091500Z
DTSTAMP;VALUE=DATE-TIME:20260518T124636Z
UID:indico-contribution-1770@events.ncbj.gov.pl
DESCRIPTION:Speakers: Abhishek Chikkaballi ()\nCompelling evidence suggest
 s the existence of new physics beyond the Standard Model. However\, in the
  absence of new experimental data\, the energy scales associated with this
  new physics remain unknown. In this talk\, I will give an overview of how
  the asymptotic safety paradigm can offer insights into these unknowns\, a
 ddressing several of the outstanding puzzles and challenges within the Sta
 ndard Model. Specifically\, I will discuss how the presence of a specific 
 fixed point structure in the renormalization group flow of model parameter
 s—induced by gravitational corrections above the Planck scale—has seve
 ral interesting implications. Firstly\, I will discuss how this framework 
 could lead to predictions of the new-physics couplings in U(1)’ extensio
 ns of the Standard Model. As a second example\, I will discuss how this pa
 radigm could give rise to a dynamical mechanism to generate small neutrino
  masses in the gauged B-L extension and its phenomenological signatures. F
 inally\, I will demonstrate how asymptotically safe gravity can make a mea
 surable contribution to the SMEFT coefficients\, challenging the expectati
 on that such contributions are suppressed by the Planck scale.\n\nhttps://
 events.ncbj.gov.pl/event/382/contributions/1770/
LOCATION:NCBJ Room 207
URL:https://events.ncbj.gov.pl/event/382/contributions/1770/
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