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Complementarity of LHC and EDMs for Exploring Higgs CP Violation

Chen, Chien-Yi and Dawson, S. and Zhang, Yue (2015) Complementarity of LHC and EDMs for Exploring Higgs CP Violation. Journal of High Energy Physics, 2015 (6). Art. No. 056. ISSN 1126-6708. doi:10.1007/JHEP06(2015)056.

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We analyze the constraints on a CP-violating, flavor conserving, two Higgs doublet model from the measurements of Higgs properties and from the search for heavy Higgs bosons at LHC, and show that the stronger limits typically come from the heavy Higgs search channels. The limits on CP violation arising from the Higgs sector measurements are complementary to those from EDM measurements. Combining all current constraints from low energy to colliders, we set generic upper bounds on the CP violating angle which parametrizes the CP odd component in the 126 GeV Higgs boson.

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Additional Information:© 2015 The Authors. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. Received: March 10, 2015. Revised: April 22, 2015. Accepted: April 22, 2015. Published: June 9, 2015. We thank Jing Shu and Michael Spira for useful discussions. The work of C.-Y. Chen and S. Dawson is supported by the U.S. Department of Energy under grant No. DE-AC02-98CH10886 and contract DE-AC02-76SF00515. This work of Y. Zhang is supported by the Gordon and Betty Moore Foundation through Grant #776 to the Caltech Moore Center for Theoretical Cosmology and Physics, and by the DOE Grant DE-FG02-92ER40701, and also by a DOE Early Career Award under Grant No. DE-SC0010255.
Group:Walter Burke Institute for Theoretical Physics, Moore Center for Theoretical Cosmology and Physics
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC02-98CH10886
Department of Energy (DOE)DE-AC02-76SF00515
Gordon and Betty Moore Foundation776
Department of Energy (DOE)DE-FG02-92ER40701
Department of Energy (DOE)DE-SC0010255
Subject Keywords:Higgs Physics, Beyond Standard Model, CP violation
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Issue or Number:6
Record Number:CaltechAUTHORS:20150324-083556306
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Official Citation: Complementarity of LHC and EDMs for exploring Higgs CP violation Chien-Yi Chen, S. Dawson, Yue Zhang Article:56
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:56000
Deposited By: Joy Painter
Deposited On:24 Mar 2015 15:46
Last Modified:10 Nov 2021 20:53

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