Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session H03: Sakurai Prize and Primakoff Award
10:45 AM–12:33 PM,
Sunday, April 14, 2019
Sheraton
Room: Plaza E
Sponsoring
Unit:
DPF
Chair: Tao Han, University of Pittsburgh
Abstract: H03.00002 : From Higgs Compositeness to Higher Dimensions
11:21 AM–11:57 AM
Presenter:
Raman Sundrum
(University of Maryland)
Author:
Raman Sundrum
(University of Maryland)
While the Standard Model posits that the Higgs boson is an elementary particle, there are good reasons to explore the possibility that it is a composite of more fundamental constituents. However, the paradigm of Higgs compositeness is notoriously difficult to model theoretically as the basis for experimental tests, necessarily involving new strong binding forces that go beyond perturbative analysis, and bringing in the complex structure of couplings to the other known particles. I will review the surprising manner in which the Randall-Sundrum I model has evolved to address these challenges, trading a frontal attack on strong coupling for a weakly-coupled description set in higher-dimensional “warped” spacetime, in which the extra-dimensional excitations secretly describe new composites beyond the Higgs itself. We thereby obtain a theoretically controlled and comprehensive framework for particle physics and compositeness, with implications ranging from LHC searches to flavor/neutrino physics to dark matter to gravitational wave cosmology.
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