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Title: C P Violation in Higgs-Gauge Interactions: From Tabletop Experiments to the LHC

Journal Article · · Physical Review Letters

We investigate the interplay between the high- and low-energy phenomenology of C P -violating interactions of the Higgs boson with gauge bosons. For this purpose, we use an effective field theory approach and consider all dimension-six operators arising in so-called universal theories. We compute their loop-induced contributions to electric dipole moments and the C P asymmetry in B → Xsγ and compare the resulting current and prospective constraints to the projected sensitivity of the LHC. Low-energy measurements are shown to generally have a far stronger constraining power, which results in highly correlated allowed regions in coupling space—a distinctive pattern that could be probed at the high-luminosity LHC.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC). Nuclear Physics (NP) (SC-26)
Grant/Contract Number:
AC52-06NA25396; FG02-00ER41132; SC0009919; 89233218CNA000001
OSTI ID:
1545469
Alternate ID(s):
OSTI ID: 1571617
Report Number(s):
LA-UR-19-22027; PRLTAO; 051801
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Vol. 123 Journal Issue: 5; ISSN 0031-9007
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 25 works
Citation information provided by
Web of Science

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Bounds on CP-violating Higgs-gluon interactions: the case of vanishing light-quark Yukawa couplings journal November 2019

Figures / Tables (5)


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