Direct and indirect constraints on CP-violating Higgs-quark and Higgs-gluon interactions
Abstract
Here we investigate direct and indirect constraints on the complete set of anomalous CP-violating Higgs couplings to quarks and gluons originating from dimension-6 operators, by studying their signatures at the LHC and in electric dipole moments (EDMs). We also show that existing uncertainties in hadronic and nuclear matrix elements have a significant impact on the interpretation of EDM experiments, and we quantify the improvements needed to fully exploit the power of EDM searches. Currently, the best bounds on the anomalous CP-violating Higgs interactions come from a combination of EDM measurements and the data from LHC Run 1. We argue that Higgs production cross section and branching ratios measurements at the LHC Run 2 will not improve the constraints significantly. But, the bounds on the couplings scale roughly linearly with EDM limits, so that future theoretical and experimental EDM developments can have a major impact in pinning down interactions of the Higgs.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division
- Univ. of Groningen (The Netherlands). Van Swinderen Inst.
- Julich Research Centre (Germany). Inst. for Advanced Simulation
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1334139
- Report Number(s):
- LA-UR-15-27548
Journal ID: ISSN 1029-8479
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 2; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Higgs Physics; beyond standard model; CP violation; renormalization group
Citation Formats
Chien, Y. T., Cirigliano, V., Dekens, W., de Vries, J., and Mereghetti, E. Direct and indirect constraints on CP-violating Higgs-quark and Higgs-gluon interactions. United States: N. p., 2016.
Web. doi:10.1007/JHEP02(2016)011.
Chien, Y. T., Cirigliano, V., Dekens, W., de Vries, J., & Mereghetti, E. Direct and indirect constraints on CP-violating Higgs-quark and Higgs-gluon interactions. United States. doi:10.1007/JHEP02(2016)011.
Chien, Y. T., Cirigliano, V., Dekens, W., de Vries, J., and Mereghetti, E. Mon .
"Direct and indirect constraints on CP-violating Higgs-quark and Higgs-gluon interactions". United States. doi:10.1007/JHEP02(2016)011. https://www.osti.gov/servlets/purl/1334139.
@article{osti_1334139,
title = {Direct and indirect constraints on CP-violating Higgs-quark and Higgs-gluon interactions},
author = {Chien, Y. T. and Cirigliano, V. and Dekens, W. and de Vries, J. and Mereghetti, E.},
abstractNote = {Here we investigate direct and indirect constraints on the complete set of anomalous CP-violating Higgs couplings to quarks and gluons originating from dimension-6 operators, by studying their signatures at the LHC and in electric dipole moments (EDMs). We also show that existing uncertainties in hadronic and nuclear matrix elements have a significant impact on the interpretation of EDM experiments, and we quantify the improvements needed to fully exploit the power of EDM searches. Currently, the best bounds on the anomalous CP-violating Higgs interactions come from a combination of EDM measurements and the data from LHC Run 1. We argue that Higgs production cross section and branching ratios measurements at the LHC Run 2 will not improve the constraints significantly. But, the bounds on the couplings scale roughly linearly with EDM limits, so that future theoretical and experimental EDM developments can have a major impact in pinning down interactions of the Higgs.},
doi = {10.1007/JHEP02(2016)011},
journal = {Journal of High Energy Physics (Online)},
number = 2,
volume = 2016,
place = {United States},
year = {2016},
month = {2}
}
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