Haoyang Li

Search for a Higgs boson produced in association with a charm quark and decaying to a W boson pair in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

A. Hayrapetyan, Vladimir Makarenko, A. Tumasyan, Wolfgang Adam et autres

A bstract This paper presents a search for a Higgs boson produced in association with a charm quark (cH) which allows to probe the Higgs-charm Yukawa coupling strength modifier κ c . Higgs boson decays to a pair of W bosons are …

am, at, us, be, cn, br (code pays fourni par la source)

Search for single production of a vector-like T quark decaying to a top quark and a neutral scalar boson in the lepton+jets final state in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

Aram Hayrapetyan, Vladimir Makarenko, A. Tumasyan, Wolfgang Adam et autres

A bstract A search for single production of a vector-like T quark with charge 2 e /3, decaying to a top quark and a neutral scalar boson is presented. The boson can be a standard model Higgs boson (H) or a new …

am, at, us, be, cn, br (code pays fourni par la source)

Search for dijet resonances with data scouting in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

Aram Hayrapetyan, В. Макаренко, A. Tumasyan, Wolfgang Adam et autres

A bstract A search is presented for narrow resonances, with a mass between 0.6 and 1.8 TeV, decaying to pairs of jets, in proton-proton collisions at $$ \sqrt{s}=13 $$ s = 13 TeV. The search is performed using dijets that are reconstructed, …

am, at, us, be, cn, br (code pays fourni par la source)

Inclusive and differential measurements of the $$ \textrm{t}\overline{\textrm{t}}\upgamma $$ cross section and the $$ \textrm{t}\overline{\textrm{t}}\upgamma /\textrm{t}\overline{\textrm{t}} $$ cross section ratio in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

Aram Hayrapetyan, В. Макаренко, A. Tumasyan, W. Adam et autres

A bstract Inclusive and differential cross section measurements of top quark pair ( $$ \textrm{t}\overline{\textrm{t}} $$ t t ¯ ) production in association with a photon (γ) are performed as a function of lepton, photon, top quark, and $$ \textrm{t}\overline{\textrm{t}} $$ t …

am, at, us, be, cn, br (code pays fourni par la source)

Search for Light Pseudoscalar Bosons, Pair-Produced in Higgs Boson Decays in the Four-Electron Final State in Proton-Proton Collisions at s = 13 TeV

A. Hayrapetyan, Vladimir Makarenko, A. Tumasyan, W. Adam et autres

A search for pairs of light neutral pseudoscalar bosons (A) resulting from the decay of a Higgs boson is performed. The search is conducted using LHC proton-proton collision data at sqrt[s]=13 TeV, collected with the CMS detector in 2016-2018 and corresponding to …

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Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

A. Hayrapetyan, В. Макаренко, A. Tumasyan, W. Adam et autres

A bstract A search for signatures of a dark analog to quantum chromodynamics is performed. The analysis targets long-lived dark mesons that decay into standard-model particles, with a high branching fraction of the dark mesons decaying into muons. The dark mesons are …

am, at, us, be, cn, br (code pays fourni par la source)

Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants

Aram Hayrapetyan, В. Макаренко, A. Tumasyan, Wolfgang Adam et autres

For the first time, correlations among mixed-order moments of two or three flow harmonics —( v n k , v m l ) and ( v n k , v m l , v p q ), with k, l , and …

Probing the flavour structure of dimension-6 EFT operators in multilepton final states in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

Aram Hayrapetyan, В. Макаренко, A. Tumasyan, Wolfgang Adam et autres

A bstract An analysis of the flavour structure of dimension-6 effective field theory (EFT) operators in multilepton final states is presented, focusing on the interactions of quarks with Z bosons. For the first time, the flavour structure of these operators is disentangled …

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Measurements of $$ \textrm{t}\overline{\textrm{t}}\textrm{W} $$ differential cross sections and the leptonic charge asymmetry at $$ \sqrt{s}=13 $$ TeV

Aram Hayrapetyan, В. Макаренко, A. Tumasyan, Wolfgang Adam et autres

A bstract Measurements of properties of top quark-antiquark pair production in association with a W boson in proton-proton collisions at a center-of-mass energy of 13 TeV are presented, using a data sample corresponding to an integrated luminosity of 138 fb − 1 …

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Model-independent measurement of the Higgs boson associated production with two jets and decaying to a pair of W bosons in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

Aram Hayrapetyan, Vladimir Makarenko, A. Tumasyan, W. Adam et autres

A bstract A model-independent measurement of the differential production cross section of the Higgs boson decaying into a pair of W bosons, with a final state including two jets produced in association, is presented. In the analysis, events are selected in which …

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Vector boson scattering and anomalous quartic couplings in final states with ℓνqq or ℓℓqq plus jets using proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

A Hayrapetyan, Vladimir Makarenko, A. Tumasyan, W. Adam et autres

A bstract A measurement is presented of the electroweak vector boson scattering production of ZV (V = W, Z) boson pairs associated with two jets in proton-proton collisions at a center-of-mass energy of 13 TeV. The data, corresponding to an integrated luminosity …

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Observation of Suppressed Charged-Particle Production in Ultrarelativistic Oxygen-Oxygen Collisions

Aram Hayrapetyan, В. Макаренко, A. Tumasyan, Wolfgang Adam et autres

A hot and dense state of nuclear matter, known as the quark-gluon plasma, is created in collisions of ultrarelativistic heavy nuclei. Highly energetic quarks and gluons, collectively referred to as partons, lose energy as they travel through this matter, leading to suppressed …

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