A. Kupco

activity

19992024

most citedThe Upgraded D0 Detector

611 citations · 5.2k across the 97 of their papers we have counts for

collaborators

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91 papers · 1 filter

hep-ex2024

Up and Down Quark Structure of the Proton

D0 Collaboration

We measure proton structure parameters sensitive primarily to valence quarks using 8.6 fb $^{- 1}$ of data collected by the D0 detector in $s = 1.96$ TeV $p p ˉ$ collisions a…

hep-ex2021

Comparison of $pp$ and $p p ˉ$ differential elastic cross sections and observation of the exchange of a Colorless $C$ -odd gluonic compound

C. Royon

We describe the discovery of the colorless $C$ -odd gluonic compound, the odderon, by the D0 and TOTEM Collaborations by comparing elastic differential cross sections measured in $p…

hep-ex2020★ 44 cited

Search for displaced leptons in $s = 13$ TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

A search for charged leptons with large impact parameters using 139 fb $^{- 1}$ of $s = 13$ TeV $pp$ collision data from the ATLAS detector at the LHC is presented, addressing…

hep-ex2020★ 7 cited

Study of the normalized transverse momentum distribution of $W$ bosons produced in $p p ˉ$ collisions at $s = 1.96$ TeV

D0 Collaboration

We present a study of the normalized transverse momentum distribution of $W$ bosons produced in $p p ˉ$ collisions, using data corresponding to an integrated luminosity of 4.35…

hep-ex2020★ 4 cited

Studies of $X (3872)$ and $ψ (2 S)$ production in $p p ˉ$ collisions at 1.96 TeV

D0 Collaboration

We present various properties of the production of the $X (3872)$ and $ψ (2 S)$ states based on 10.4 fb $^{- 1}$ collected by D0 experiment in Tevatron $p p ˉ$ collisions at $\sqrt{s…

hep-ex2020★ 36 cited

Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton $-$ proton collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for heavy resonances decaying into a $W$ or $Z$ boson and a Higgs boson produced in proton $-$ proton collisions at the Large Hadron Collider at $s = 13$ TeV is prese…

hep-ex2019★ 25 cited

Evidence for electroweak production of two jets in association with a $Z γ$ pair in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

Evidence for electroweak production of two jets in association with a $Z γ$ pair in $s = 13$ TeV proton $-$ proton collisions at the Large Hadron Collider is presented. The ana…

hep-ex2019★ 489 cited

Combined measurements of Higgs boson production and decay using up to $80$ fb $^{- 1}$ of proton-proton collision data at $s =$ 13 TeV collected with the ATLAS experiment

ATLAS Collaboration

Combined measurements of Higgs boson production cross sections and branching fractions are presented. The combination is based on the analyses of the Higgs boson decay modes $H \to…

hep-ex2019★ 298 cited

Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in $s = 13$ TeV $pp$ collisions using the ATLAS detector

ATLAS Collaboration

A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. The analysis is based on 139 fb $^{- 1}$ of pro…

hep-ex2019★ 52 cited

Search for heavy neutral Higgs bosons produced in association with $b$ -quarks and decaying into $b$ -quarks at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for heavy neutral Higgs bosons produced in association with one or two $b$ -quarks and decaying to $b$ -quark pairs is presented using 27.8 fb $^{- 1}$ of $s = 13$ TeV pr…

hep-ex2019★ 12 cited

Properties of $Z_{c}^{\pm} (3900)$ produced in $p p ˉ$ collision

D0 Collaboration

We study the production of the exotic charged charmonium-like state $Z_{c}^{\pm} (3900)$ in $p p ˉ$ collisions through the sequential process $ψ(4260) \rightarrow Z_c^{\pm}(3900) π…

hep-ex2019★ 60 cited

Search for a right-handed gauge boson decaying into a high-momentum heavy neutrino and a charged lepton in $pp$ collisions with the ATLAS detector at $s = 13$ TeV

ATLAS Collaboration

A search for a right-handed gauge boson $W_{R}$ , decaying into a boosted right-handed heavy neutrino $N_{R}$ , in the framework of Left-Right Symmetric Models is p…

hep-ex2019★ 27 cited

Search for scalar resonances decaying into $μ^{+} μ^{-}$ in events with and without $b$ -tagged jets produced in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for a narrow scalar resonance decaying into an opposite-sign muon pair produced in events with and without $b$ -tagged jets is presented in this paper. The search uses 36.1…

hep-ex2019★ 94 cited

Measurement of the $t t ˉ Z$ and $t t ˉ W$ cross sections in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A measurement of the associated production of a top-quark pair ( $t t ˉ$ ) with a vector boson ( $W$ , $Z$ ) in proton-proton collisions at a center-of-mass energy of 13 TeV is prese…

hep-ex2018★ 7 cited

Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at $E_{beam}$ = 4 TeV

ATLAS Collaboration

Results of dedicated Monte Carlo simulations of beam-induced background (BIB) in the ATLAS experiment at the Large Hadron Collider (LHC) are presented and compared with data record…

hep-ex2018★ 90 cited

Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at $s$ =13 TeV with the ATLAS detector

ATLAS Collaboration

A search for electroweak production of supersymmetric particles is performed in two-lepton and three-lepton final states using recursive jigsaw reconstruction. The search uses data…

hep-ex2017★ 10 cited

Measurement of the Effective Weak Mixing Angle in $p p ˉ \to Z / γ^{*} \to ℓ^{+} ℓ^{-}$ Events

D0 Collaboration

We present a measurement of the effective weak mixing angle parameter $sin^{2} θ_{eff}^{ℓ}$ , in $p p ˉ \to Z / γ^{*} \to μ^{+} μ^{-}$ events at a center of mass ener…

hep-ex2016★ 161 cited

Evidence for a $B_{s}^{0} π^{\pm}$ State

D0 Collaboration

We report evidence of a narrow structure, $X (5568)$ , in the decay sequence $X (5568) \to B_{s}^{0} π^{\pm}$ , $B_{s}^{0} \to J / ψ ϕ$ , $J / ψ \to μ^{+} μ^{-}$ , $ϕ\rightarrow K^…

hep-ex2015★ 64 cited

Evidence for simultaneous production of $J / ψ$ and $Υ$ mesons

D0 Collaboration

We report evidence for the simultaneous production of $J / ψ$ and $Υ$ mesons in 8.1 fb $^{- 1}$ of data collected at $s =$ 1.96 TeV by the D0 experiment at the Fermilab $p p ˉ$ …

hep-ex2015★ 21 cited

Precise measurement of the top quark mass in dilepton decays using optimized neutrino weighting

D0 Collaboration

We measure the top quark mass in dilepton final states of top-antitop events in proton-antiproton collisions at sqrt(s) = 1.96 TeV, using data corresponding to an integrated lumino…

hep-ex2015★ 20 cited

Precision measurement of the top-quark mass in lepton+jets final states

D0 Collaboration

We measure the mass of the top quark in lepton $+$ jets final states using the full sample of $p p ˉ$ collision data collected by the D0 experiment in Run II of the Fermilab Tevat…

hep-ex2014★ 13 cited

Measurement of the $W + b$ -jet and $W + c$ -jet differential production cross sections in $p p ˉ$ collisions at $s = 1.96$ TeV

D0 Collaboration

We present a measurement of the cross sections for the associated production of a $W$ boson with at least one heavy quark jet, $b$ or $c$ , in proton-antiproton collisions. Data cor…

hep-ex2014★ 74 cited

Measurement of the electron charge asymmetry in $p p ˉ \to W + X \to eν + X$ decays in $p p ˉ$ collisions at $s = 1.96$ TeV

D0 Collaboration

We present a measurement of the electron charge asymmetry in $p p ˉ \to W + X \to e ν + X$ events at a center-of-mass energy of 1.96 TeV, using data corresponding to 9…

hep-ex2014★ 10 cited

Measurement of the $ϕ_{η}^{*}$ distribution of muon pairs with masses between 30 and 500 GeV in 10.4 fb $^{- 1}$ of $p p ˉ$ collisions

D0 Collaboration

We present a measurement of the distribution of the variable $ϕ_{η}^{*}$ for muon pairs with masses between 30 and 500 GeV, using the complete Run II data set collected by the D0 detec…

Up and Down Quark Structure of the Proton

Comparison of pp and ppˉ​ differential elastic cross sections and observation of the exchange of a Colorless C-odd gluonic compound

Search for displaced leptons in s​=13 TeV pp collisions with the ATLAS detector

Study of the normalized transverse momentum distribution of W bosons produced in ppˉ​ collisions at s​=1.96 TeV

Studies of X(3872) and ψ(2S) production in ppˉ​ collisions at 1.96 TeV

Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton−proton collisions at s​=13 TeV with the ATLAS detector

Evidence for electroweak production of two jets in association with a Zγ pair in pp collisions at s​=13 TeV with the ATLAS detector

Combined measurements of Higgs boson production and decay using up to 80 fb−1 of proton-proton collision data at s​= 13 TeV collected with the ATLAS experiment

Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in s​=13 TeV pp collisions using the ATLAS detector

Search for heavy neutral Higgs bosons produced in association with b-quarks and decaying into b-quarks at s​=13 TeV with the ATLAS detector

Properties of Zc±​(3900) produced in ppˉ​ collision

Search for a right-handed gauge boson decaying into a high-momentum heavy neutrino and a charged lepton in pp collisions with the ATLAS detector at s​=13 TeV

Search for scalar resonances decaying into μ+μ− in events with and without b-tagged jets produced in proton-proton collisions at s​=13 TeV with the ATLAS detector

Measurement of the ttˉZ and ttˉW cross sections in proton-proton collisions at s​=13 TeV with the ATLAS detector

Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at Ebeam​ = 4 TeV

Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at s​=13 TeV with the ATLAS detector

Measurement of the Effective Weak Mixing Angle in ppˉ​→Z/γ∗→ℓ+ℓ− Events

Evidence for a Bs0​π± State

Evidence for simultaneous production of J/ψ and Υ mesons

Precise measurement of the top quark mass in dilepton decays using optimized neutrino weighting

Precision measurement of the top-quark mass in lepton+jets final states

Measurement of the W+b-jet and W+c-jet differential production cross sections in ppˉ​ collisions at s​=1.96 TeV

Measurement of the electron charge asymmetry in ppˉ​→W+X→eν+X decays in ppˉ​ collisions at s​=1.96 TeV

Measurement of the ϕη∗​ distribution of muon pairs with masses between 30 and 500 GeV in 10.4 fb−1 of ppˉ​ collisions

Comparison of $pp$ and $p p ˉ$ differential elastic cross sections and observation of the exchange of a Colorless $C$ -odd gluonic compound

Search for displaced leptons in $s = 13$ TeV $pp$ collisions with the ATLAS detector

Study of the normalized transverse momentum distribution of $W$ bosons produced in $p p ˉ$ collisions at $s = 1.96$ TeV

Studies of $X (3872)$ and $ψ (2 S)$ production in $p p ˉ$ collisions at 1.96 TeV

Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton $-$ proton collisions at $s = 13$ TeV with the ATLAS detector

Evidence for electroweak production of two jets in association with a $Z γ$ pair in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Combined measurements of Higgs boson production and decay using up to $80$ fb $^{- 1}$ of proton-proton collision data at $s =$ 13 TeV collected with the ATLAS experiment

Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in $s = 13$ TeV $pp$ collisions using the ATLAS detector

Search for heavy neutral Higgs bosons produced in association with $b$ -quarks and decaying into $b$ -quarks at $s = 13$ TeV with the ATLAS detector

Properties of $Z_{c}^{\pm} (3900)$ produced in $p p ˉ$ collision

Search for a right-handed gauge boson decaying into a high-momentum heavy neutrino and a charged lepton in $pp$ collisions with the ATLAS detector at $s = 13$ TeV

Search for scalar resonances decaying into $μ^{+} μ^{-}$ in events with and without $b$ -tagged jets produced in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

Measurement of the $t t ˉ Z$ and $t t ˉ W$ cross sections in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at $E_{beam}$ = 4 TeV

Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at $s$ =13 TeV with the ATLAS detector

Measurement of the Effective Weak Mixing Angle in $p p ˉ \to Z / γ^{*} \to ℓ^{+} ℓ^{-}$ Events

Evidence for a $B_{s}^{0} π^{\pm}$ State

Evidence for simultaneous production of $J / ψ$ and $Υ$ mesons

Measurement of the $W + b$ -jet and $W + c$ -jet differential production cross sections in $p p ˉ$ collisions at $s = 1.96$ TeV

Measurement of the electron charge asymmetry in $p p ˉ \to W + X \to eν + X$ decays in $p p ˉ$ collisions at $s = 1.96$ TeV

Measurement of the $ϕ_{η}^{*}$ distribution of muon pairs with masses between 30 and 500 GeV in 10.4 fb $^{- 1}$ of $p p ˉ$ collisions