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Profil bibliographique

G. S. F. Stephans

Informations fournies par OpenAlex. Research Africa ne déduit ni nationalité, ni poste, ni coordonnées personnelles.

16Publications signalées
952Citations signalées
4Affiliations récentes

Les institutions déclarées

Les domaines associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle InteractionsParticle Detector Development and PerformanceDark Matter and Cosmic Phenomena

Les publications récentes

Accès ouvert 2024 article OpenAlex

Search for Higgs boson pair production with one associated vector boson in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV

A. Hayrapetyan, A. Tumasyan, W. Adam, J. W. Andrejkovic et autres

A bstract A search for Higgs boson pair (HH) production in association with a vector boson V (W or Z boson) is presented. The search is based on proton-proton collision data at a center-of-mass energy of 13 TeV, collected with the CMS …

am, be, at, in, Égypte, gb, br, ve, mx (code pays fourni par la source)

9 citations Journal of High Energy Physics
Accès ouvert 2021 article OpenAlex

First measurement of large area jet transverse momentum spectra in heavy-ion collisions

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract Jet production in lead-lead (PbPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV is studied with the CMS detector at the LHC, using PbPb and pp data samples corresponding to integrated luminosities of 404 μb−1 and 27.4 …

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

69 citations Journal of High Energy Physics
Accès ouvert 2021 article OpenAlex

Search for nonresonant Higgs boson pair production in final states with two bottom quarks and two photons in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer et autres

Abstract A search for nonresonant production of Higgs boson pairs via gluon-gluon and vector boson fusion processes in final states with two bottom quarks and two photons is presented. The search uses data from proton-proton collisions at a center-of-mass energy of $$ …

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

75 citations Journal of High Energy Physics
Accès ouvert 2020 article OpenAlex

Search for electroweak production of a vector-like T quark using fully hadronic final states

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

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 $$ \sqrt{s} $$ s = 13 TeV collected by the CMS …

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

42 citations Journal of High Energy Physics
Accès ouvert 2019 article OpenAlex

Search for supersymmetry in proton-proton collisions at 13 TeV in final states with jets and missing transverse momentum

A. M. Sirunyan, W. Adam, F. Ambrogi, T. Bergauer et autres

Abstract Results are reported from a search for supersymmetric particles in the final state with multiple jets and large missing transverse momentum. The search uses a sample of proton-proton collisions at $$ \sqrt{s} $$ s = 13 TeV collected with the CMS …

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

162 citations Journal of High Energy Physics
Accès ouvert 2019 article OpenAlex

Studies of Beauty Suppression via Nonprompt D0 Mesons in Pb-Pb Collisions at sNN=5.02 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

The transverse momentum spectra of ${D}^{0}$ mesons from $b$ hadron decays are measured at midrapidity ($|y|<1$) in $pp$ and Pb-Pb collisions at a nucleon-nucleon center of mass energy of 5.02 TeV with the CMS detector at the LHC. The ${D}^{0}$ mesons from …

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

50 citations Physical Review Letters
Accès ouvert 2018 article OpenAlex

Evidence for the Associated Production of a Single Top Quark and a Photon in Proton-Proton Collisions at s=13 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

The first evidence of events consistent with the production of a single top quark in association with a photon is reported. The analysis is based on proton-proton collisions at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$ and recorded by the CMS experiment in 2016, corresponding to …

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

21 citations Physical Review Letters
Accès ouvert 2018 article OpenAlex

Search for heavy resonances decaying into a vector boson and a Higgs boson in final states with charged leptons, neutrinos and b quarks at $$ \sqrt{s}=13 $$ TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract A search for heavy resonances, decaying into the standard model vector bosons and the standard model Higgs boson, is presented. The final states considered contain a b quark-antiquark pair from the decay of the Higgs boson, along with electrons and muons …

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

16 citations Journal of High Energy Physics
Accès ouvert 2018 article OpenAlex

Search for beyond the standard model Higgs bosons decaying into a $$ \mathrm{b}\overline{\mathrm{b}} $$ pair in pp collisions at $$ \sqrt{s}=13 $$ TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract A search for Higgs bosons that decay into a bottom quark-antiquark pair and are accompanied by at least one additional bottom quark is performed with the CMS detector. The data analyzed were recorded in proton-proton collisions at a centre-of-mass energy of …

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

59 citations Journal of High Energy Physics
Accès ouvert 2018 article OpenAlex

Search for Physics Beyond the Standard Model in Events with High-Momentum Higgs Bosons and Missing Transverse Momentum in Proton-Proton Collisions at 13 TeV

Albert M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

A search for physics beyond the standard model in events with one or more high-momentum Higgs bosons, H, decaying to pairs of b quarks in association with missing transverse momentum is presented. The data, corresponding to an integrated luminosity of 35.9 fb^{-1}, …

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

23 citations Physical Review Letters
Accès ouvert 2018 article OpenAlex

Measurement of the inclusive $$ \mathrm{t}\overline{\mathrm{t}} $$ cross section in pp collisions at $$ \sqrt{s}=5.02 $$ TeV using final states with at least one charged lepton

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract The top quark pair production cross section $$ \left({\sigma}_{\mathrm{t}\overline{\mathrm{t}}}\right) $$ σ t t ¯ is measured for the first time in pp collisions at a center-of-mass energy of 5.02 TeV. The data were collected by the CMS experiment at the LHC …

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

30 citations Journal of High Energy Physics
Accès ouvert 2018 article OpenAlex

Observation of Correlated Azimuthal Anisotropy Fourier Harmonics in p p and p + Pb Collisions at the LHC

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

The azimuthal anisotropy Fourier coefficients (v_{n}) in 8.16 TeV p+Pb data are extracted via long-range two-particle correlations as a function of the event multiplicity and compared to corresponding results in pp and PbPb collisions. Using a four-particle cumulant technique, v_{n} correlations are …

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

71 citations Physical Review Letters

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