Aller au contenu principal
Profil bibliographique

Ashfaq Ahmad

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

15Publications signalées
32Citations signalées
1Affiliations récentes

Les institutions déclarées

Les domaines associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchComputational Physics and Python ApplicationsParticle Detector Development and PerformanceQuantum Chromodynamics and Particle Interactions

Les publications récentes

Accès ouvert 2026 article OpenAlex

Search for dark matter production in association with bottom quarks and a lepton pair in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

Vladimir Chekhovsky, Aram Hayrapetyan, В. Макаренко, A. Tumasyan et autres

A bstract A search is performed for dark matter produced in association with bottom quarks and a pair of electrons or muons in data collected with the CMS detector at the LHC, corresponding to 138 fb − 1 of integrated luminosity of …

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

0 citations Journal of High Energy Physics
Accès ouvert 2025 article OpenAlex

Search for a heavy pseudoscalar Higgs boson decaying to a 125 GeV Higgs boson and a Z boson in final states with two tau and two light leptons in proton-proton collisions at $$\sqrt{s}=13$$ TeV

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

A bstract A search for a heavy pseudoscalar Higgs boson, A, decaying to a 125 GeV Higgs boson h and a Z boson is presented. The h boson is identified via its decay to a pair of tau leptons, while the Z …

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

2 citations Journal of High Energy Physics
Accès ouvert 2024 article OpenAlex

Measurement of the production cross section of a Higgs boson with large transverse momentum in its decays to a pair of τ leptons in proton-proton collisions at s=13TeV

Aram Hayrapetyan, A. Tumasyan, W. Adam, Janik Walter Andrejkovic et autres

A measurement of the production cross section of a Higgs boson with transverse momentum greater than 250 GeV is presented where the Higgs boson decays to a pair of τ leptons. It is based on proton-proton collision data collected by the CMS …

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

3 citations Physics Letters B
Accès ouvert 2024 article OpenAlex

Luminosity determination using Z boson production at the CMS experiment

Aram Hayrapetyan, A. Tumasyan, W. Adam, Janik Walter Andrejkovic et autres

Abstract The measurement of Z boson production is presented as a method to determine the integrated luminosity of CMS data sets. The analysis uses proton–proton collision data, recorded by the CMS experiment at the CERN LHC in 2017 at a center-of-mass energy …

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

8 citations The European Physical Journal C
Accès ouvert 2024 preprint OpenAlex

Search for dark matter produced in association with a pair of bottom quarks in proton-proton collisions at $ \sqrt{s} $ = 13 TeV

Aram Hayrapetyan, A. Tumasyan, Janik Walter Andrejkovic, T. Bergauer et autres

A search for dark matter (DM) particles produced in association with bottom quarks is presented. The analysis uses proton-proton collision data at a center-of-mass energy of $\sqrt{s}$ = 13 TeV, corresponding to an integrated luminosity of 138 fb$^{-1}$. The search is performed …

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

0 citations arXiv (Cornell University)
Accès ouvert 2024 preprint OpenAlex

Search for light long-lived particles decaying to displaced jets in proton-proton collisions at $\sqrt{s}$ = 13.6 TeV

Aram Hayrapetyan, A. Tumasyan, W. Adam, Janik Walter Andrejkovic et autres

A search for light long-lived particles decaying to displaced jets is presented, using a data sample of proton-proton collisions at a center-of-mass energy of 13.6 TeV, corresponding to an integrated luminosity of 34.7 fb$^{-1}$, collected with the CMS detector at the CERN …

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

0 citations arXiv (Cornell University)
Accès ouvert 2024 preprint OpenAlex

Reweighting simulated events using machine-learning techniques in the CMS experiment

A. Tumasyan, Wolfgang Adam, Janik Walter Andrejkovic, L. Benato et autres

Data analyses in particle physics rely on an accurate simulation of particle collisions and a detailed simulation of detector effects to extract physics knowledge from the recorded data. Event generators together with a GEANT-based simulation of the detectors are used to produce …

de (code pays fourni par la source)

2 citations arXiv (Cornell University)
Accès ouvert 2024 preprint OpenAlex

Search for heavy neutral Higgs bosons A and H in the $\mathrm{t\bar{t}}$Z channel in proton-proton collisions at 13 TeV

A. Tumasyan, W. Adam, Janik Walter Andrejkovic, L. Benato et autres

A direct search for new heavy neutral Higgs bosons A and H in the $\mathrm{t\bar{t}}$Z channel is presented, targeting the process pp $\to$ A $\to$ ZH with H $\to$$\mathrm{t\bar{t}}$. For the first time, the channel with decays of the Z boson to …

de (code pays fourni par la source)

0 citations arXiv (Cornell University)
Accès ouvert 2024 preprint OpenAlex

Search for heavy neutral resonances decaying to tau lepton pairs in proton-proton collisions at $\sqrt{s}$ = 13 TeV

A. Tumasyan, Wolfgang Adam, Janik Walter Andrejkovic, L. Benato et autres

A search for heavy neutral gauge bosons (Z') decaying into a pair of tau leptons is performed in proton-proton collisions at $\sqrt{s}$ = 13 TeV at the CERN LHC. The data were collected with the CMS detector and correspond to an integrated …

de (code pays fourni par la source)

0 citations arXiv (Cornell University)
Accès ouvert 2023 article OpenAlex

Measurement of the tt¯ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at s=13 TeV

A. Tumasyan, W. Adam, Janik Walter Andrejkovic, T. Bergauer et autres

The measurement of the charge asymmetry in top quark pair events with highly Lorentz-boosted top quarks decaying to a single lepton and jets is presented. The analysis is performed using proton-proton collisions at s=13TeV with the CMS detector at the LHC and …

am, at (code pays fourni par la source)

4 citations Physics Letters B
Accès ouvert 2023 article OpenAlex

Search for new physics using effective field theory in 13 TeV pp collision events that contain a top quark pair and a boosted Z or Higgs boson

A. Tumasyan, W. Adam, Janik Walter Andrejkovic, Thomas Bergauer et autres

A data sample containing top quark pairs ($t\overline{t}$) produced in association with a Lorentz-boosted $Z$ or Higgs boson is used to search for signs of new physics using effective field theory. The data correspond to an integrated luminosity of $138\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ …

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

7 citations Physical review. D/Physical review. D.
Accès ouvert 2023 article OpenAlex

First measurement of the top quark pair production cross section in proton-proton collisions at $ \sqrt{s} $ = 13.6 TeV

A. Tumasyan, W. Adam, Janik Walter Andrejkovic, T. Bergauer et autres

The first measurement of the top quark pair ($\mathrm{t\bar{t}}$) production cross section in proton-proton collisions at $\sqrt{s}$ = 13.6 TeV is presented. Data recorded with the CMS detector at the CERN LHC in Summer 2022, corresponding to an integrated luminosity of 1.21 …

de (code pays fourni par la source)

3 citations Zurich Open Repository and Archive (University of Zurich)

BNTIC News n’est pas le producteur de ces données. Les publications sont interrogées à la demande dans Crossref, OpenAIRE, DOAJ, Europe PMC, HAL, DataCite, AfricArXiv, ROR et la Banque mondiale, sans clé d’accès. OpenAlex reste optionnel. Aucun service payant n’est nécessaire et aucune donnée externe n’est enregistrée en base. Consulter les sources et leurs limites.