Electric dipole moment constraints on CP-violating light-quark Yukawas
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2019)233
Abstract: A bstractNonstandard CP violation in the Higgs sector can play an essential role in electroweak baryogenesis. We calculate the full two-loop matching conditions of the standard model, with Higgs Yukawa couplings to light quarks modified… read more here.
Keywords: light quark; quark yukawas; electric dipole; quark ... See more keywords
Search for electroweak production of a vector-like T quark using fully hadronic final states
Sign Up to like & getrecommendations! Published in 2020 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2020)036
Abstract: A search is performed for electroweak production of a vector-like top quark partner T of charge 2 / 3 in association with a top or bottom quark, using proton-proton collision data at s $$ \sqrt{s}… read more here.
Keywords: production; boson; vector like; production vector ... See more keywords
Search for a charged Higgs boson decaying into top and bottom quarks in events with electrons or muons in proton-proton collisions at √s = 13 TeV
Sign Up to like & getrecommendations! Published in 2020 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2020)096
Abstract: A search is presented for a charged Higgs boson heavier than the top quark, produced in association with a top quark, or with a top and a bottom quark, and decaying into a top-bottom quark-antiquark… read more here.
Keywords: charged higgs; proton; higgs boson; top bottom ... See more keywords
Light-front holographic ρ-meson distributions in the momentum space
Sign Up to like & getrecommendations! Published in 2020 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2021)136
Abstract: We present the leading-twist quark transverse momentum-dependent parton distribution functions (TMDs) for the spin-1 target, such as the ρ -meson, in the light-front framework. Specifically, we predict the TMDs in the light-front holographic model and… read more here.
Keywords: front holographic; holographic meson; model; light front ... See more keywords
Real corrections to Higgs boson pair production at NNLO in the large top quark mass limit
Sign Up to like & getrecommendations! Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2022)049
Abstract: In this paper we consider the next-to-next-to-leading order total cross section of Higgs boson pair production in the large top quark mass limit and compute four expansion terms in 1 / m t 2 $$… read more here.
Keywords: top quark; boson pair; large top; pair production ... See more keywords
Higgs boson production and quark scattering amplitudes at high energy through the next-to-next-to-leading power in quark mass
Sign Up to like & getrecommendations! Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2022)170
Abstract: Abstract We study the amplitudes of the quark scattering by an external electromagnetic field and of the light quark mediated Higgs boson production via gluon fusion in the high-energy limit. The asymptotic behavior of the… read more here.
Keywords: boson production; high energy; higgs boson; quark mass ... See more keywords
Search for top quark partners with charge 5/3 in the same-sign dilepton and single-lepton final states in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep03(2019)082
Abstract: A bstractA search for the pair production of heavy fermionic partners of the top quark with charge 5/3 (X5/3) is performed in proton-proton collisions at a center-of-mass energy of 13 TeV with the CMS detector… read more here.
Keywords: top quark; proton proton; single lepton; final states ... See more keywords
Probing the W tb vertex structure in t-channel single-top-quark production and decay in pp collisions at s=8$$ \sqrt{s}=8 $$ TeV with the ATLAS detector
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep04(2017)124
Abstract: A bstractTo probe the W tb vertex structure, top-quark and W -boson polarisation observables are measured from t-channel single-top-quark events produced in proton-proton collisions at a centre-of-mass energy of 8 TeV. The dataset corresponds to… read more here.
Keywords: channel single; detector; quark; top quark ... See more keywords
Search for electroweak production of a vector-like quark decaying to a top quark and a Higgs boson using boosted topologies in fully hadronic final states
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep04(2017)136
Abstract: A bstractA search is performed for electroweak production of a vector-like top quark partner T of charge 2/3 in association with a standard model top or bottom quark, using 2.3 fb−1 of proton-proton collision data… read more here.
Keywords: higgs boson; electroweak production; quark higgs; quark ... See more keywords
Top-quark partial compositeness beyond the effective field theory paradigm
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep04(2020)040
Abstract: In theories of Partial Compositeness the top quark is a mixture of a composite and an elementary state, and as a consequence its interactions with gauge bosons are expected to deviate from those of a… read more here.
Keywords: effective field; partial compositeness; field theory; quark ... See more keywords
Search for flavour-changing neutral current top-quark decays t → qZ in proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV with the ATLAS detector
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep07(2018)176
Abstract: A bstractA search for flavour-changing neutral-current processes in top-quark decays is presented. Data collected with the ATLAS detector from proton-proton collisions at the Large Hadron Collider at a centre-of-mass energy of s=13$$ \sqrt{s}=13 $$ TeV,… read more here.
Keywords: proton; changing neutral; neutral current; quark ... See more keywords