H. Abramowicz
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View article: A continuous calibration of the ATLAS flavour-tagging classifiers via optimal transportation maps
A continuous calibration of the ATLAS flavour-tagging classifiers via optimal transportation maps Open
View article: Measurements and interpretations of W±Z production cross-sections in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
Measurements and interpretations of W±Z production cross-sections in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector Open
A bstract Measurements of integrated and differential cross-sections for W ± Z production in proton-proton collisions are presented. The data collected by the ATLAS detector at the Large Hadron Collider from 2015 to 2018 at a centre-of-mas…
View article: Constraints on effective field theories via quadruple-differential angular decay rates from $t$-channel single-top-quark production at $\sqrt{s}=13$ TeV with the ATLAS detector
Constraints on effective field theories via quadruple-differential angular decay rates from $t$-channel single-top-quark production at $\sqrt{s}=13$ TeV with the ATLAS detector Open
Events with $t$-channel single top quarks are used to probe effective field theory operators in $\sqrt{s}=13$ TeV proton-proton collision data corresponding to 140 fb$^{-1}$ recorded by the ATLAS detector at the Large Hadron Collider. An a…
View article: Search for decays of the Higgs boson into scalar particles decaying into four or six <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>b</mml:mi></mml:math> quarks using <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math> collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math> with the ATLAS detector
Search for decays of the Higgs boson into scalar particles decaying into four or six quarks using collisions at with the ATLAS detector Open
A search for exotic decays of the Higgs boson H into new scalar or pseudoscalar particles that subsequently decay into b-quarks is presented. The search considers ZH production with several decay scenarios for the Higgs boson; first to a p…
View article: Search for emerging jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment
Search for emerging jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment Open
A search is presented for emerging jets using 140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 13$ TeV, collected by the ATLAS experiment between 2015 and 2018. The search looks for the existence of a dark sector with symmetrie…
View article: Probing the Higgs boson CP properties in vector-boson fusion production in the H → τ+τ− channel with the ATLAS detector
Probing the Higgs boson CP properties in vector-boson fusion production in the H → τ+τ− channel with the ATLAS detector Open
A bstract The CP properties of the Higgs boson are studied in the vector-boson fusion production mode. The analysis exploits the decay mode of the Higgs boson into two τ -leptons using 140 fb − 1 of proton-proton collision data at $$ \sqrt…
View article: Search for the production of a Higgs boson in association with a single top quark in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
Search for the production of a Higgs boson in association with a single top quark in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector Open
A bstract A search for the production of a Higgs boson in association with a single top quark, tH , is presented. The analysis uses proton-proton collision data corresponding to an integrated luminosity of 140 fb − 1 at a centre-of-mass en…
View article: A measurement of the high-mass $$ \tau \overline{\tau} $$ production cross-section at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector and constraints on new particles and couplings
A measurement of the high-mass $$ \tau \overline{\tau} $$ production cross-section at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector and constraints on new particles and couplings Open
View article: Constraining off-shell Higgs boson production and the Higgs boson total width using WW → ℓνℓν final states with the ATLAS detector
Constraining off-shell Higgs boson production and the Higgs boson total width using WW → ℓνℓν final states with the ATLAS detector Open
A measurement of off-shell Higgs boson production is performed in the $H^{*} \rightarrow WW$ channel. The measurement uses a proton-proton collision dataset with an integrated luminosity of 140 fb$^{-1}$ collected at a centre-of-mass energ…
View article: Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons with 199 fb$^{-1}$ of data collected at $\sqrt{s}$=13 TeV and $\sqrt{s}$=13.6 TeV with the ATLAS detector
Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons with 199 fb$^{-1}$ of data collected at $\sqrt{s}$=13 TeV and $\sqrt{s}$=13.6 TeV with the ATLAS detector Open
A search for the resonant production of a heavy scalar $X$ decaying into a Higgs boson and a lighter scalar $S$, through the process $X \rightarrow S (\rightarrow b \bar{b})H ( \rightarrow γγ)$, where the two photons are consistent with th…
View article: A search for high-mass resonances in final states with hadronically decaying tau leptons and high missing transverse momentum using $pp$-collision data at $\sqrt{s} = 13~\text{TeV}$ collected by the ATLAS Detector
A search for high-mass resonances in final states with hadronically decaying tau leptons and high missing transverse momentum using $pp$-collision data at $\sqrt{s} = 13~\text{TeV}$ collected by the ATLAS Detector Open
A search for new heavy charged gauge bosons $W^{\prime}$, predicted by some extensions of the Standard Model is presented in this thesis. This analysis is based on data collected from proton-proton collisions with a center-of-mass-energy o…
View article: Observation of double parton scattering in same-sign W boson pair production in pp collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si43.svg"> <mml:mrow> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo linebreak="goodbreak">=</mml:mo> <mml:mn>13</mml:mn> </mml:mrow> </mml:math> TeV with the ATLAS detector
Observation of double parton scattering in same-sign W boson pair production in pp collisions at TeV with the ATLAS detector Open
This letter reports the measurement of double parton scattering in same-sign W boson pair production with the ATLAS detector. The data set used corresponds to an integrated luminosity of 140 fb−1 of proton–proton collisions at a center-of-…
View article: Precise measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $eμ$ dilepton events from $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
Precise measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $eμ$ dilepton events from $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector Open
The inclusive top quark pair ($t\bar{t}$) cross-section $σ_{t\bar{t}}$ has been measured in $\sqrt{s}=13$ TeV proton-proton collisions, using 140 fb$^{-1}$ of data collected by the ATLAS experiment at the Large Hadron Collider. Using event…
View article: Search for Higgs bosons produced in association with a high-energy photon via vector-boson fusion and decaying to a pair of $b$-quarks in the ATLAS detector
Search for Higgs bosons produced in association with a high-energy photon via vector-boson fusion and decaying to a pair of $b$-quarks in the ATLAS detector Open
A search for Standard Model Higgs bosons produced in association with a high-energy photon and decaying to $b\bar{b}$ is performed using 133 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collision data collected with the ATLAS detector at the Large …
View article: Observation of $W^{+}W^{-}γ$ production in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector and constraints on anomalous quartic gauge-boson couplings
Observation of $W^{+}W^{-}γ$ production in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector and constraints on anomalous quartic gauge-boson couplings Open
This Letter reports the observation of $W^{+}W^{-}γ$ triboson production in 140 fb$^{-1}$ of data collected by the ATLAS detector from proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV at the LHC. Events with an op…
View article: Observation of structures in the $J/ψ+ψ(2S)$ mass spectrum with the ATLAS detector
Observation of structures in the $J/ψ+ψ(2S)$ mass spectrum with the ATLAS detector Open
A search for resonant structures in the $J/ψ+ψ$(2S) mass spectrum is performed using proton--proton collision data at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of 140 fb$^{-1}$, recorded by the ATLAS experiment at the LH…
View article: Weakly supervised anomaly detection for resonant new physics in the dijet final state using proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>13</mml:mn> <mml:mtext> </mml:mtext> <mml:mtext> </mml:mtext> <mml:mi>TeV</mml:mi> </mml:math> with the ATLAS detector
Weakly supervised anomaly detection for resonant new physics in the dijet final state using proton-proton collisions at with the ATLAS detector Open
An anomaly detection search for narrow-width resonances beyond the Standard Model that decay into a pair of jets is presented. The search is based on 139 fb − 1 of proton-proton collisions at s = 13 TeV recorded during 20…
View article: A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3b or 4b final states using pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3b or 4b final states using pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector Open
View article: Measurement of the azimuthal anisotropy of charged particles in $\sqrt{s_{\mathrm{NN}}}=5.36$ TeV $^{16}$O$+^{16}$O and $^{20}$Ne$+^{20}$Ne collisions with the ATLAS detector
Measurement of the azimuthal anisotropy of charged particles in $\sqrt{s_{\mathrm{NN}}}=5.36$ TeV $^{16}$O$+^{16}$O and $^{20}$Ne$+^{20}$Ne collisions with the ATLAS detector Open
This paper presents the first measurements of the azimuthal anisotropy coefficients $v_{n}$, which quantify the $n^{\mathrm{th}}$-order Fourier modulation of charged-particle azimuthal distributions, for $n=2$-4 in $\sqrt{s_{\mathrm{NN}}}=…
View article: Search for Higgs boson exotic decays into Lorentz-boosted light bosons in the four- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si37.svg"> <mml:mi>τ</mml:mi> </mml:math> final state at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si38.svg"> <mml:mrow> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo linebreak="goodbreak">=</mml:mo> <mml:mn>13</mml:mn> <mml:mrow> <mml:mi mathvariant="normal">TeV</mml:mi> </mml:mrow> </mml:mrow> </mml:math> with the ATLAS detector
Search for Higgs boson exotic decays into Lorentz-boosted light bosons in the four- final state at with the ATLAS detector Open
International audience
View article: A precise measurement of the jet energy scale derived from single-particle measurements and in situ techniques in proton–proton collisions at $$\sqrt{s}=$$ 13 TeV with the ATLAS detector
A precise measurement of the jet energy scale derived from single-particle measurements and in situ techniques in proton–proton collisions at $$\sqrt{s}=$$ 13 TeV with the ATLAS detector Open
The jet energy calibration and its uncertainties are derived from measurements of the calorimeter response to single particles in both data and Monte Carlo simulation using proton–proton collisions at $$\sqrt{s} = 13$$ TeV collected …
View article: Erratum: Software and computing for Run 3 of the ATLAS experiment at the LHC
Erratum: Software and computing for Run 3 of the ATLAS experiment at the LHC Open
View article: Search for the production of a Higgs boson in association with a single top quark in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Search for the production of a Higgs boson in association with a single top quark in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector Open
A search for the production of a Higgs boson in association with a single top quark, $tH$, is presented. The analysis uses proton-proton collision data corresponding to an integrated luminosity of $140\mathrm{fb}^{-1}$ at a centre-of-mass …
View article: Search for a new pseudoscalar decaying into a pair of bottom and antibottom quarks in top-associated production in $$\sqrt{s}=13$$ TeV proton–proton collisions with the ATLAS detector
Search for a new pseudoscalar decaying into a pair of bottom and antibottom quarks in top-associated production in $$\sqrt{s}=13$$ TeV proton–proton collisions with the ATLAS detector Open
View article: Measurements of W+W− production cross-sections in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
Measurements of W+W− production cross-sections in pp collisions at $$ \sqrt{s}=13 $$ TeV with the ATLAS detector Open
View article: Searches for direct slepton production in the compressed-mass corridor in $$ \sqrt{\textrm{s}} $$ = 13 TeV pp collisions with the ATLAS detector
Searches for direct slepton production in the compressed-mass corridor in $$ \sqrt{\textrm{s}} $$ = 13 TeV pp collisions with the ATLAS detector Open
View article: Measurements of the production cross-sections of a Higgs boson in association with a vector boson and decaying into WW* with the ATLAS detector at $$ \sqrt{s} $$ = 13 TeV
Measurements of the production cross-sections of a Higgs boson in association with a vector boson and decaying into WW* with the ATLAS detector at $$ \sqrt{s} $$ = 13 TeV Open
View article: Search for events with one displaced vertex from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>p</mml:mi> <mml:mi>p</mml:mi> </mml:math> collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>13</mml:mn> <mml:mtext> </mml:mtext> <mml:mtext> </mml:mtext> <mml:mi>TeV</mml:mi> </mml:math>
Search for events with one displaced vertex from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in collisions at Open
A search for events with one displaced vertex from long-lived particles using data collected by the ATLAS detector at the Large Hadron Collider is presented, using 140 fb − 1 of proton-proton collision data at s = 13 TeV …
View article: Energy scale and resolution for anti-$$k_t$$ jets with radius parameters $$R=0.2$$ and 0.6 measured in proton-proton collisions at $$\sqrt{s} = 13$$ TeV with the ATLAS detector
Energy scale and resolution for anti-$$k_t$$ jets with radius parameters $$R=0.2$$ and 0.6 measured in proton-proton collisions at $$\sqrt{s} = 13$$ TeV with the ATLAS detector Open
View article: Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector
Search for heavy neutral leptons in decays of W bosons using leptonic and semi-leptonic displaced vertices in $$ \sqrt{s} $$ = 13 TeV pp collisions with the ATLAS detector Open
A bstract A search is performed for long-lived heavy neutral leptons (HNLs), produced through the decay of a W boson along with a muon or electron. Two channels are explored: a leptonic channel, in which the HNL decays into two leptons and…