4D Seminar — Radha Mastandrea (UC Berkeley/LBL) “HEP-Sim2Real: creating background templates with normalizing flows” ——- Bea Noether (UC Berkeley/LBL) “Anomaly Mediated SUSY breaking for QCD”

Seminar Organizer


Event Details


  Radha Mastandrea
 Abstract: Resonant anomaly detection is a promising framework for model-independent searches for new particles. Weakly supervised resonant anomaly detection methods compare data with a potential signal against a template of the Standard Model (SM) background inferred from sideband regions. We propose a means to generate this background template that uses a normalizing flow to create a mapping between high-fidelity SM simulations and the data. The flow is trained in sideband regions with the signal region blinded, and the flow is conditioned on the resonant feature (mass) such that it can be interpolated into the signal region. We find that our flow-constructed background method has competitive sensitivity with other recent proposals and can therefore provide complementary information to improve future searches.
 
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Bea Noether 
Abstract: Analytic statements about strongly coupled gauge theories like QCD are hard to come by. Often the supersymmetric (SUSY) extensions of these theories are much more tractable. Professor Murayama proposed the use of Anomaly Mediated SUSY-breaking (AMSB) as a controlled approximation of non-SUSY gauge theories. I will review AMSB in the context of Super-QCD (SQCD), so-called ASQCD, and how it could potentially provide an analytic proof of chiral symmetry breaking for QCD-like theories with $N_f < 3N_c$. 


https://lbnl.zoom.us/j/98941053722?pwd=TVRFMURlSHlJSHl1OE0xelh1a0FLdz09