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Determining the CP Property of $ht\bar{t}$ Coupling via a Novel Jet Substructure Observable

28 Mar 2023, 16:30
20m
103AB (MSU Kellogg Center)

103AB

MSU Kellogg Center

Parallel talk WG3: Electroweak Physics and Beyond the Standard Model WG3

Speaker

Zhite Yu

Description

Determining the CP property of the Higgs boson is important for a precision test of the Standard Model as well as for the search for new physics. We propose a novel jet substructure observable based on the azimuthal anisotropy in a linearly polarized gluon jet that is produced in association with a Higgs boson at hadron colliders, and demonstrate that it provides a new CP-odd observable for determining the CP property of the Higgs-top interaction. We introduce a factorization formalism to define a polarized gluon jet function with the insertion of an infrared-safe azimuthal observable to capture the linear polarization.

Submitted on behalf of a Collaboration? No
Participate in poster competition? No

Primary author

Co-authors

C.-P. Yuan (Michigan State University) Kirtimaan Ajaykant Mohan

Presentation materials