Is there room for CP violation in the top-Higgs sector?

Cirigliano, Vincenzo; Dekens, Wouter Gerard; de Vries, Jordy; Mereghetti, Emanuele

doi:10.1103/PhysRevD.94.016002

Is there room for $C P$ violation in the top-Higgs sector?

Journal Article · Thu Jul 21 00:00:00 EDT 2016 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.94.016002· OSTI ID:1338796

Cirigliano, Vincenzo ^[1]; Dekens, Wouter Gerard ^[2]; de Vries, Jordy ^[3]; Mereghetti, Emanuele ^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); New Mexico Consortium, Los Alamos, NM (United States)
Nikhef (The Netherlands)

Here, we discuss direct and indirect probes of chirality-flipping couplings of the top quark to Higgs and gauge bosons, considering both CP-conserving and CP-violating observables, in the framework of the Standard Model effective field theory. In our analysis we include current and prospective constraints from collider physics, precision electroweak tests, flavor physics, and electric dipole moments (EDMs). We find that low-energy indirect probes are very competitive, even after accounting for long-distance uncertainties. In particular, EDMs put constraints on the electroweak CP-violating dipole moments of the top that are 2 to 3 orders of magnitude stronger than existing limits. The new indirect constraint on the top EDM is given by |d_t| < 5×10^–20e cm at 90% C.L.

View Accepted Manuscript (DOE)

Research Organization:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC52-06NA25396

OSTI ID:: 1338796

Report Number(s):: LA-UR--16-21508

Journal Information:: Physical Review D, Journal Name: Physical Review D Journal Issue: 1 Vol. 94; ISSN PRVDAQ; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Unraveling models of CP violation through electric dipole moments of light nuclei Dekens, W.; De Vries, Jens; Bsaisou, J. RWTH Aachen University https://doi.org/10.18154/rwth-conv-088404	text	January 2014
Constraining the dipole moments of the top quark Kamenik, J. F.; Papucci, M.; Weiler, A. Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/phppubdb-23557	text	January 2012
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Violation of CP in variance, C asymmetry, and baryon asymmetry of the universe [Нарушение CP-инвариантности. C-асимметрия и барионная асимметрия Вселенной] Sakharov, Andrei D. Uspekhi Fizicheskih Nauk, Vol. 161, Issue 5 https://doi.org/10.3367/UFNr.0161.199105h.0061	journal	January 1991
Bounding the top and bottom electric dipole moments from neutron experimental data Cordero-Cid, A.; Hernandez, J. M.; Tavares-Velasco, G. arXiv https://doi.org/10.48550/arxiv.0712.0154	text	January 2007
T-odd correlations from CP violating anomalous top-quark couplings revisited Antipin, Oleg; Valencia, G. arXiv https://doi.org/10.48550/arxiv.0807.1295	text	January 2008
The Baryogenesis Window in the MSSM Carena, Marcela; Nardini, Germano; Quiros, Mariano arXiv https://doi.org/10.48550/arxiv.0809.3760	text	January 2008
CP violating anomalous top-quark couplings at the LHC Gupta, Sudhir Kumar; Mete, Alaettin Serhan; Valencia, G. arXiv https://doi.org/10.48550/arxiv.0905.1074	text	January 2009
Probing chromomagnetic and chromoelectric couplings of the top quark using its polarization in pair production at hadron colliders Biswal, Sudhansu S.; Rindani, Saurabh D.; Sharma, Pankaj arXiv https://doi.org/10.48550/arxiv.1211.4075	text	January 2012
A New Twist on Top Quark Spin Correlations Baumgart, Matthew; Tweedie, Brock arXiv https://doi.org/10.48550/arxiv.1212.4888	text	January 2012
Probing top quark electromagnetic dipole moments in single-top-plus-photon production Fael, Matteo; Gehrmann, Thomas arXiv https://doi.org/10.48550/arxiv.1307.1349	text	January 2013
Constraints on CP-violating Higgs couplings to the third generation Brod, Joachim; Haisch, Ulrich; Zupan, Jure arXiv https://doi.org/10.48550/arxiv.1310.1385	text	January 2013
Order of Magnitude Smaller Limit on the Electric Dipole Moment of the Electron Collaboration, Acme; Baron, Jacob; Campbell, Wesley C. arXiv https://doi.org/10.48550/arxiv.1310.7534	text	January 2013
Measurement of the t-channel single-top-quark production cross section and of the \|Vtb\| CKM matrix element in pp collisions at sqrt(s) = 8 TeV Collaboration, Cms arXiv https://doi.org/10.48550/arxiv.1403.7366	text	January 2014
Anomalous Top-Higgs Couplings and Top Polarisation in Single Top and Higgs Associated Production at the LHC Kobakhidze, Archil; Wu, Lei; Yue, Jason arXiv https://doi.org/10.48550/arxiv.1406.1961	text	January 2014
Constraining CP-violating Higgs Sectors at the LHC using gluon fusion Dolan, Matthew J.; Harris, Philip; Jankowiak, Martin arXiv https://doi.org/10.48550/arxiv.1406.3322	text	January 2014
Higgs characterisation at NLO in QCD: CP properties of the top-quark Yukawa interaction Demartin, Federico; Maltoni, Fabio; Mawatari, Kentarou arXiv https://doi.org/10.48550/arxiv.1407.5089	text	January 2014
Exploring the Anomalous Higgs-top Couplings Khatibi, Sara; Najafabadi, Mojtaba Mohammadi arXiv https://doi.org/10.48550/arxiv.1409.6553	text	January 2014
A Revised Experimental Upper Limit on the Electric Dipole Moment of the Neutron Pendlebury, J. M.; Afach, S.; Ayres, N. J. arXiv https://doi.org/10.48550/arxiv.1509.04411	text	January 2015
An Improved Experimental Limit on the Electric Dipole Moment of the Neutron Baker, C. A.; Doyle, D. D.; Geltenbort, P. arXiv https://doi.org/10.48550/arxiv.hep-ex/0602020	text	January 2006
Minimal Flavour Violation: an effective field theory approach D'Ambrosio, G.; Giudice, G. F.; Isidori, G. arXiv https://doi.org/10.48550/arxiv.hep-ph/0207036	text	January 2002
CP Violation and the CKM Matrix: Assessing the Impact of the Asymmetric B Factories Charles, J.; Hocker, A.; Lacker, H. arXiv https://doi.org/10.48550/arxiv.hep-ph/0406184	text	January 2004
Electric dipole moments as probes of new physics Pospelov, Maxim; Ritz, Adam arXiv https://doi.org/10.48550/arxiv.hep-ph/0504231	text	January 2005
QCD corrections to the electric dipole moment of the neutron in the MSSM Degrassi, Giuseppe; Franco, Enrico; Marchetti, Schedar arXiv https://doi.org/10.48550/arxiv.hep-ph/0510137	text	January 2005
Tracing CP violation in the production of top quark pairs by multiple TeV proton-proton collisions Bernreuther, W.; Brandenburg, A. arXiv https://doi.org/10.48550/arxiv.hep-ph/9312210	text	January 1993
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Combination of measurements of the top-quark pair production cross section from the Tevatron Collider Collaboration, Cdf; Canelli, F.; Kilminster, B. American Physical Society https://doi.org/10.5167/uzh-108371	text	January 2014
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Probing top quark electromagnetic dipole moments in single-top-plus-photon production Fael, M.; Gehrmann, T. American Physical Society https://doi.org/10.5167/uzh-80701	text	January 2013
Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=8 TeV Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M. Karlsruhe https://doi.org/10.5445/ir/1000042191	text	January 2014
Comprehensive measurements of t-channel single top-quark production cross sections at sqrts = 7 TeV with the ATLAS detector Atlas, Collaboration; Agustoni, Marco; Beck, Hans Peter American Physical Society https://doi.org/10.7892/boris.68686	text	January 2014
Matching of gauge invariant dimension-six operators for b → s and b → c transitions Crivellin, Andreas; Fael, Matteo; Aebischer, Jason Springer https://doi.org/10.7892/boris.86101	text	January 2016

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CP-violating top quark couplings at future linear $e^+e^-$ colliders Bernreuther, Werner; Chen, L.; García, Ignacio RWTH Aachen University https://doi.org/10.18154/rwth-2018-222970	text	January 2018
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