Higgs CP violation from vectorlike quarks

Chen, Chien-Yi; Dawson, S.; Zhang, Yue

doi:10.1103/PhysRevD.92.075026

Title: Higgs $C P$ violation from vectorlike quarks

Journal Article · Tue Oct 20 00:00:00 EDT 2015 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.92.075026· OSTI ID:1354642

Chen, Chien-Yi ^[1]; Dawson, S. ^[1]; Zhang, Yue ^[2]

Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Physics
California Inst. of Technology (CalTech), Pasadena, CA (United States). Walter Burke Inst. for Theoretical Physics

We explore CP violating aspects in the Higgs sector of models where new vectorlike quarks carry Yukawa couplings mainly to the third generation quarks of the Standard Model. We point out that in the simplest model, Higgs CP violating interactions only exist in the hWW channel. At low energy, we nd that rare B decays can place similarly strong constraints as those from electric dipole moments on the source of CP violation. These observations offer a new handle to discriminate from other Higgs CP violating scenarios such as scalar sector extensions of the Standard Model, and imply an interesting future interplay among limits from different experiments.

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Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States); California Institute of Technology (CalTech), Pasadena, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP); Gordon and Betty Moore Foundation

Grant/Contract Number:: SC0012704; AC02-98CH10886; AC02-76SF00515; FG02-92ER40701; SC0010255; SC0011632

OSTI ID:: 1354642

Alternate ID(s):: OSTI ID: 1224117; OSTI ID: 1595831

Report Number(s):: BNL-113785-2017-JA; PRVDAQ; KA2401012

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 92, Issue 7; ISSN 1550-7998

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 6 works

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