SCOAP3 Repository 12 records found  1 - 10nextSearch took 0.02 seconds. 
1. Probing top-quark couplings indirectly at Higgs factoriesCZ is supported by IHEP (Y7515540U1); EV is supported by a Marie Skłodowska-Curie Individual Fellowship of the European Commission’s Horizon 2020 Programme (704187) / Durieux, Gauthier ; Gu, Jiayin ; Vryonidou, Eleni ; Zhang, Cen
We perform a global effective-field-theory analysis to assess the combined precision of Higgs couplings, triple gauge-boson couplings, and top-quark couplings, at future circular e+e− colliders, with a focus on runs below the production threshold. [...]
Published in Chinese Phys. C 42 (2018) 123107 10.1088/1674-1137/42/12/123107 arXiv:1809.03520
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2. Learning to pinpoint effective operators at the LHC: a study of the t t ¯ b b ¯ $$ \mathrm{t}\overline{\mathrm{t}}\mathrm{b}\overline{\mathrm{b}} $$ signature / D’Hondt, Jorgen ; Mariotti, Alberto ; Mimasu, Ken ; Moortgat, Seth ; et al
In the context of the Standard Model effective field theory (SMEFT), we study the LHC sensitivity to four fermion operators involving heavy quarks by employing cross section measurements in the t t ¯ b b ¯ $$ t\overline{t}b\overline{b} $$ final state. [...]
Published in JHEP 1811 (2018) 131 10.1007/JHEP11(2018)131 arXiv:1807.02130
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3. Global and optimal probes for the top-quark effective field theory at future lepton colliders / Durieux, Gauthier ; Perelló, Martín ; Vos, Marcel ; Zhang, Cen
We study the sensitivity to physics beyond the standard model of precise top-quark pair production measurements at future lepton colliders. [...]
Published in JHEP 1810 (2018) 168 10.1007/JHEP10(2018)168 arXiv:1807.02121
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4. Single-top associated production with a Z or H boson at the LHC: the SMEFT interpretation / Degrande, Celine ; Maltoni, Fabio ; Mimasu, Ken ; Vryonidou, Eleni ; et al
At the LHC, top quarks can be produced singly with a sizeable rate via electroweak interactions. [...]
Published in JHEP 1810 (2018) 005 10.1007/JHEP10(2018)005 arXiv:1804.07773
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5. Dimension-six electroweak top-loop effects in Higgs production and decay / Vryonidou, Eleni ; Zhang, Cen
We study the next-to-leading order electroweak corrections to Higgs processes from dimension-six top-quark operators in the Standard Model Effective Field Theory approach. [...]
Published in JHEP 1808 (2018) 036 10.1007/JHEP08(2018)036 arXiv:1804.09766
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6. Constraining qqtt operators from four-top production: a case for enhanced EFT sensitivitySupported by the 100-talent project of Chinese Academy of Sciences / Zhang, Cen
Recently, experimental collaborations have reported upper limits on the signal strength of four-top production at the LHC. [...]
Published in Chinese Phys. C 42 (2018) 023104 10.1088/1674-1137/42/2/023104 arXiv:1708.05928
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7. Scalar production and decay to top quarks including interference effects at NLO in QCD in an EFT approach / Franzosi, Diogo ; Vryonidou, Eleni ; Zhang, Cen
Scalar and pseudo-scalar resonances decaying to top quarks are common predictions in several scenarios beyond the standard model (SM) and are extensively searched for by LHC experiments. [...]
Published in JHEP 1710 (2017) 096 10.1007/JHEP10(2017)096 arXiv:1707.06760
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8. Asymmetric dark matter in extended exo-Higgs scenarios / Davoudiasl, Hooman ; Giardino, Pier Paolo ; Zhang, Cen
The exo-Higgs model can accommodate a successful baryogenesis mechanism that closely mirrors electroweak baryogenesis in the Standard Model, but avoids its shortcomings. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.07.009
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9. WITHDRAWN: Muon g − 2 from asymmetric dark matter in the exo-Higgs scenario / Davoudiasl, Hooman ; Giardino, Pier Paolo ; Zhang, Cen
This article has been withdrawn at the request of the author(s) and/or editor. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.03.008
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10. Higgs production in association with a top-antitop pair in the Standard Model Effective Field Theory at NLO in QCD / Maltoni, Fabio ; Vryonidou, Eleni ; Zhang, Cen
We present the results of the computation of the next-to-leading order QCD corrections to the production cross section of a Higgs boson in association with a top-antitop pair at the LHC, including the three relevant dimension-six operators ( O tφ ,  O φG ,  O tG ) of the standard model effective field theory. [...]
Published in JHEP 1610 (2016) 123 10.1007/JHEP10(2016)123 arXiv:1607.05330
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SCOAP3 Repository : 12 records found   1 - 10next
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