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 · 19 October 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 Inst. of Technology (CalTech), Pasadena, CA (United States)

Sponsoring Organization:: Gordon and Betty Moore Foundation; USDOE; USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

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

OSTI ID:: 1354642

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

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

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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