Browsing by Author "Saa, J. A. Z."

Calibration of the light-flavour jet mistagging efficiency of the b-tagging algorithms with Z+jets events using 139 $$\textrm{fb}^{-1}$$ fb - 1 of ATLAS proton–proton collision data at $$\sqrt{s} = 13$$ s = 13 TeV

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-08-14)

Abstract The identification of b-jets, referred to as b-tagging, is an important part of many physics analyses in the ATLAS experiment at the Large Hadron Collider and an accurate calibration of its performance ...

Constraints on simplified dark matter models involving an s-channel mediator with the ATLAS detector in pp collisions at s = 13 TeV

Aad, G. Aakvaag, E. Abbott, B. Abdelhameed, S. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A.; (2024-10-24)

Abstract This paper reports a summary of searches for a fermionic dark matter candidate in the context of theoretical models characterised by a mediator particle exchange in the s-channel. The data sample considered consists ...

Luminosity determination in pp collisions at $$\sqrt{s}=13$$ s = 13 TeV using the ATLAS detector at the LHC

Aad, G. Abbott, B. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Hoffman, A. C. A.; (2023-10-31)

Abstract The luminosity determination for the ATLAS detector at the LHC during Run 2 is presented, with pp collisions at a centre-of-mass energy ...

Measurement of exclusive pion pair production in proton–proton collisions at $$\sqrt{s}={7}\,\text {TeV}$$ s = 7 TeV with the ATLAS detector

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-07-17)

Abstract The exclusive production of pion pairs in the process $$pp\rightarrow pp\pi ^+\pi ^-$$ ...

Measurement of the $$H \rightarrow \gamma \gamma $$ H → γ γ and $$H \rightarrow ZZ^* \rightarrow 4 \ell $$ H → Z Z ∗ → 4 ℓ cross-sections in pp collisions at $$\sqrt{s}=13.6$$ s = 13.6 TeV with the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-01-24)

Abstract The inclusive Higgs boson production cross-section is measured in the di-photon and the $$ZZ^* \rightarrow 4 \ell $$ ...

Measurement of the CP properties of Higgs boson interactions with $$\tau $$ τ -leptons with the ATLAS detector

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-07-04)

Abstract A study of the charge conjugation and parity ( $$\textit{CP}$$ CP ...

Measurements of differential cross sections of Higgs boson production through gluon fusion in the $$H\rightarrow WW^{*}\rightarrow e\nu \mu \nu $$ H → W W ∗ → e ν μ ν final state at $$\sqrt{s} = 13$$ s = 13 TeV with the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Hoffman, A. C. A.; (2023-09-01)

Abstract Higgs boson production via gluon–gluon fusion is measured in the $$WW^{*} \rightarrow e\nu \mu \nu $$ ...

Measurements of observables sensitive to colour reconnection in $$t{\bar{t}}$$ t t ¯ events with the ATLAS detector at $$\sqrt{s} =$$ s = 13 TeV

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-06-20)

Abstract A measurement of observables sensitive to effects of colour reconnection in top-quark pair-production events is presented using 139 ...

Measurements of the production cross-section for a Z boson in association with b- or c-jets in proton–proton collisions at $$\sqrt{s} = 13$$ s = 13 TeV with the ATLAS detector

Aad, G. Aakvaag, E. Abbott, B. Abdelhameed, S. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A.; (2024-09-27)

Abstract This paper presents a measurement of the production cross-section of a Z boson in association with b- or c-jets, in proton–proton collisions at ...

New techniques for jet calibration with the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-08-29)

Abstract A determination of the jet energy scale is presented using proton–proton collision data with a centre-of-mass energy of ...

Performance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-11-27)

Abstract Searches for long-lived particles (LLPs) are among the most promising avenues for discovering physics beyond the Standard Model at the Large Hadron Collider (LHC). However, displaced signatures are ...

Precise measurements of W- and Z-boson transverse momentum spectra with the ATLAS detector using pp collisions at s = 5.02 TeV and 13 TeV

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-10-30)

Abstract This paper describes measurements of the transverse momentum spectra of W and Z bosons produced in proton–proton collisions at centre-of-mass energies of s = 5.02 TeV and s = 13 TeV with the ATLAS experiment at ...

Precise test of lepton flavour universality in W -boson decays into muons and electrons in pp collisions at s = 13 Te V with the ATLAS detector

Aad, G. Aakvaag, E. Abbott, B. Abdelhameed, S. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A.; (2024-10-01)

Abstract The ratio of branching ratios of the W boson to muons and electrons, R W μ / e = B ( W → μ ν ) / B ( W → e ν ) , has been measured using 140 fb - 1 of pp collision data at s = 13 Te V collected with the ATLAS ...

Search for flavour-changing neutral-current couplings between the top quark and the Higgs boson in multi-lepton final states in 13 TeV pp collisions with the ATLAS detector

Aad, G. Aakvaag, E. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboelela, M. Aboulhorma, A. Abramowicz, H.; (2024-07-29)

Abstract A search is presented for flavour-changing neutral-current interactions involving the top quark, the Higgs boson and an up-type quark ( ...

Search for heavy Majorana or Dirac neutrinos and right-handed W gauge bosons in final states with charged leptons and jets in pp collisions at $$\sqrt{s}=13$$ s = 13 TeV with the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-12-20)

Abstract A search for heavy right-handed Majorana or Dirac neutrinos $$N_{\textrm{R}}$$ ...

Search for Higgs boson pair production in association with a vector boson in pp collisions at $$\sqrt{s}=13\,\text {TeV}$$ s = 13 TeV with the ATLAS detector

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-06-20)

Abstract This paper reports a search for Higgs boson pair (hh) production in association with a vector boson ( $$W\; {\text {o}r}\; Z$$ ...

Search for leptoquark pair production decaying into $$te^- \bar{t}e^+$$ t e - t ¯ e + or $$t\mu ^- \bar{t}\mu ^+$$ t μ - t ¯ μ + in multi-lepton final states in pp collisions at $$\sqrt{s} = 13\,\textrm{TeV}$$ s = 13 TeV with the ATLAS detector

Aad, G. Abbott, B. Abbott, D. C. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-08-14)

Abstract A search for leptoquark pair production decaying into $$te^- \bar{t}e^+$$ ...

Search for Majorana neutrinos in same-sign WW scattering events from pp collisions at $$\sqrt{s}=13$$ s = 13 TeV

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2023-09-15)

Abstract A search for Majorana neutrinos in same-sign WW scattering events is presented. The analysis uses $$\sqrt{s}= 13$$ ...

Search for pair production of third-generation leptoquarks decaying into a bottom quark and a $$\tau $$ τ -lepton with the ATLAS detector

Aad, G. Abbott, B. Abeling, K. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y. Hoffman, A. C. A.; (2023-11-24)

Abstract A search for pair-produced scalar or vector leptoquarks decaying into a b-quark and a $$\tau $$ ...

Search for short- and long-lived axion-like particles in $$H\rightarrow a a \rightarrow 4\gamma $$ H → a a → 4 γ decays with the ATLAS experiment at the LHC

Aad, G. Abbott, B. Abeling, K. Abicht, N. J. Abidi, S. H. Aboulhorma, A. Abramowicz, H. Abreu, H. Abulaiti, Y.; (2024-07-26)

Abstract Presented is the search for anomalous Higgs boson decays into two axion-like particles (ALPs) using the full Run 2 data set of ...

Browsing by Author "Saa, J. A. Z."

Browsing by Author "Saa, J. A. Z."

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