Pinning down electroweak dipole operators of the top quark

Schulze, Markus; Soreq, Yotam

doi:10.1140/epjc/s10052-016-4263-x

Title: Pinning down electroweak dipole operators of the top quark

Journal Article · Fri Aug 19 00:00:00 EDT 2016 · European Physical Journal. C, Particles and Fields

DOI:https://doi.org/10.1140/epjc/s10052-016-4263-x· OSTI ID:1361700

Schulze, Markus ^[1]; Soreq, Yotam ^[2]

European Organization for Nuclear Research (CERN), Geneva (Switzerland)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Here, we consider hadronic top quark pair production and pair production in association with a photon or a Z boson to probe electroweak dipole couplings in tb¯W, tt¯γ, and tt¯Z interactions. We demonstrate how measurements of these processes at the 13 TeV LHC can be combined to disentangle and constrain anomalous dipole operators. The construction of cross section ratios allows us to significantly reduce various uncertainties and exploit orthogonal sensitivity between the tt¯γ and tt¯Z couplings. In addition, we show that angular correlations in tt¯ production can be used to constrain the remaining tb¯W dipole operator. Our approach yields excellent sensitivity to the anomalous couplings and can be a further step toward precise and direct measurements of the top quark electroweak interactions.

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Research Organization:: Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: SC0012567

OSTI ID:: 1361700

Journal Information:: European Physical Journal. C, Particles and Fields, Vol. 76, Issue 8; ISSN 1434-6044

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 40 works

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Measurements of inclusive and differential fiducial cross-sections of $$t\bar{t}\gamma $$ production in leptonic final states at $$\sqrt{s}=13~\text {TeV}$$ in ATLAS Aaboud, M.; Aad, G.; Abbott, B. The European Physical Journal C, Vol. 79, Issue 5 https://doi.org/10.1140/epjc/s10052-019-6849-6	journal	May 2019
FCC Physics Opportunities: Future Circular Collider Conceptual Design Report Volume 1 Abada, A.; Abbrescia, M.; AbdusSalam, S. S. The European Physical Journal C, Vol. 79, Issue 6 https://doi.org/10.1140/epjc/s10052-019-6904-3	journal	June 2019
Off-shell vs on-shell modelling of top quarks in photon associated production Bevilacqua, G.; Hartanto, H. B.; Kraus, M. RWTH Aachen University https://doi.org/10.18154/rwth-2020-05586	text	January 2020
Off-shell vs on-shell modelling of top quarks in photon associated production Bevilacqua, G.; Hartanto, H. B.; Kraus, M. Journal of High Energy Physics, Vol. 2020, Issue 3 https://doi.org/10.1007/jhep03(2020)154	journal	March 2020
FCC Physics Opportunities Abada, A.; Abbrescia, M.; AbdusSalam, S. S. Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.53334	text	January 2019
Global and optimal probes for the top-quark effective field theory at future lepton colliders Durieux, Gauthier; Perelló, Martín; Vos, Marcel Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2018-04520	text	January 2018
Hard photons in hadroproduction of top quarks with realistic final states Bevilacqua, G.; Hartanto, H. B.; Kraus, Manfred RWTH Aachen University https://doi.org/10.18154/rwth-2018-231688	text	January 2018
Measurement of top quark pair production in association with a Z boson in proton-proton collisions at $ \sqrt{\mathrm{s}} $ = 13 TeV Sirunyan, A. M.; Tumasyan, A.; Adam, W. Karlsruhe https://doi.org/10.5445/ir/1000118056	text	January 2020
Measurement of top quark pair production in association with a Z boson in proton-proton collisions at $\sqrt s$ = 13 TeV Collaboration, Cms; Canelli, Florencia; Kilminster, Benjamin Springer https://doi.org/10.5167/uzh-196770	text	January 2020
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
Measurement of top quark pair production in association with a Z boson in proton-proton collisions at $\sqrt{s}=$ 13 TeV Sirunyan, Albert M.; Tumasyan, Armen; Adam, Wolfgang Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2020-01694	text	January 2020
Right-handed charged currents in the era of the Large Hadron Collider Alioli, S.; Cirigliano, V.; Dekens, W. arXiv https://doi.org/10.48550/arxiv.1703.04751	text	January 2017
Top quark electroweak couplings at future lepton colliders Englert, Christoph; Russell, Michael arXiv https://doi.org/10.48550/arxiv.1704.01782	text	January 2017
CP-violating top quark couplings at future linear $e^+e^-$ colliders Bernreuther, W.; Chen, L.; García, I. arXiv https://doi.org/10.48550/arxiv.1710.06737	text	January 2017
Study of top quark dipole interactions in $t\bar{t}$ production associated with two heavy gauge bosons at the LHC Etesami, Seyed Mohsen; Khatibi, Sara; Najafabadi, Mojtaba Mohammadi arXiv https://doi.org/10.48550/arxiv.1712.07184	text	January 2017
Global and optimal probes for the top-quark effective field theory at future lepton colliders Durieux, Gauthier; Perelló, Martín; Vos, Marcel arXiv https://doi.org/10.48550/arxiv.1807.02121	text	January 2018
New Physics from High Energy Tops Farina, Marco; Mondino, Cristina; Pappadopulo, Duccio arXiv https://doi.org/10.48550/arxiv.1811.04084	text	January 2018
O new physics, where art thou? A global search in the top sector Brivio, I.; Bruggisser, S.; Maltoni, F. arXiv https://doi.org/10.48550/arxiv.1910.03606	text	January 2019
Constraining the SMEFT with Bayesian reweighting van Beek, Samuel; Nocera, Emanuele Roberto; Rojo, Juan SciPost Physics, Vol. 7, Issue 5 https://doi.org/10.21468/scipostphys.7.5.070	journal	January 2019
Automated EW corrections with isolated photons: $t \bar t \gamma$, $t \bar t \gamma\gamma$ and $t \gamma j$ as case studies Pagani, Davide; Shao, Hua-Sheng; Tsinikos, Ioannis Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2021-02634	text	January 2021
Top physics beyond the LHC Vos, Marcel arXiv https://doi.org/10.48550/arxiv.1701.06537	preprint	January 2017
Measurement of the semileptonic tt-bar gamma production cross section in pp collisions at sqrt(s) = 8 TeV Collaboration, Cms arXiv https://doi.org/10.48550/arxiv.1706.08128	text	January 2017
The electro-weak couplings of the top and bottom quarks -- global fit and future prospects Durieux, Gauthier; Irles, Adrian; Miralles, Víctor arXiv https://doi.org/10.48550/arxiv.1907.10619	text	January 2019
Electroweak Loops as a Probe of New Physics in $t\bar{t}$ Production at the LHC Martini, Till; Schulze, Markus arXiv https://doi.org/10.48550/arxiv.1911.11244	text	January 2019

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