540 Result(s)
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Open AccessImproved measurement of the absolute branching fraction of \(D^{+}\rightarrow \bar{K}^0 \mu ^{+}\nu _{\mu }\)
By analyzing 2.93 fb \(^{-1}\) ...
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Open AccessTest of lepton universality with B 0 → K *0 ℓ + ℓ − decays
A test of lepton universality, performed by measuring the ratio of the branching fractions of the B 0 → K *0 μ ...
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Article
Open AccessStudy of prompt D 0 meson production in pPb collisions at \( \sqrt{s_{\mathrm{N}\;\mathrm{N}}}=5 \) TeV
Production of prompt D 0 mesons is studied in proton-lead and lead-proton collisions recorded at the LHCb detector at the LHC. The data sample corresponds to an integrated luminosi...
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Article
Open AccessStudy of \( \mathrm{b}\overline{\mathrm{b}} \) correlations in high energy proton-proton collisions
Kinematic correlations for pairs of beauty hadrons, produced in high energy proton-proton collisions, are studied. The data sample used was collected with the LHCb experiment at centre-of-mass energies of 7 an...
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Open AccessMeasurement of CP observables in B± → DK*± decays using two- and four-body D final states
Measurements of CP observables in B± → DK*± decays are presented, where D denotes a superposition of D0 and ...
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Article
Open AccessMeasurement of lepton differential distributions and the top quark mass in \(t\bar{t}\) production in pp collisions at \(\sqrt{s}=8\) TeV with the ATLAS detector
This paper presents single lepton and dilepton kinematic distributions measured in dileptonic \(t\bar{t}\) ...
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Article
Open AccessMeasurement of CP violation in B0 → J/ψK S 0 and B0 → ψ(2S)K S 0 decays
A measurement is presented of decay-time-dependent CP violation in the decays B0 → J/ψ K S 0 and B0 → ψ(2S)K S 0 , wher...
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Open AccessEvidence for the \( H\to b\overline{b} \) decay with the ATLAS detector
A search for the decay of the Standard Model Higgs boson into a b ...
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Open AccessMeasurement of the B± production cross-section in pp collisions at \( \sqrt{s}=7 \) and 13 TeV
The production of B± mesons is studied in pp collisions at centre-of-mass energies of 7 and 13 TeV, using B± → J/ψ K± decays and data samples corresponding to 1.0 fb−1 and 0.3 fb−1, respectively. The production c...
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Article
Open AccessBose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at \( \sqrt{s}=7 \) TeV
Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data sample collected by the LHCb experiment. The signature for...
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Open AccessMeasurement of the Drell-Yan triple-differential cross section in pp collisions at \( \sqrt{s}=8 \) TeV
This paper presents a measurement of the triple-differential cross section for the Drell-Yan process Z/γ* → ℓ+ℓ− where ℓ is an electron or a muon. The measurement is performed for invariant masses of the lepton p...
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Article
Open AccessMeasurement of the Y(nS) polarizations in pp collisions at \( \sqrt{s}=7 \) and 8 TeV
The polarization of the Y(1S), Y(2S) and Y(3S) mesons, produced in pp collisions at centre-of-mass energies ...
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Article
Open AccessSearch for dark matter produced in association with bottom or top quarks in \(\sqrt{s}=13\) TeV pp collisions with the ATLAS detector
A search for weakly interacting massive dark-matter particles produced in association with bottom or top quarks is presented. Final states containing third-generation quarks and missing transverse momentum are...
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Article
Open AccessSearch for additional heavy neutral Higgs and gauge bosons in the ditau final state produced in 36 fb−1 of pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search for heavy neutral Higgs bosons and Z′ bosons is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton-proton collisions at
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Article
Open AccessSearch for heavy resonances decaying into WW in the \(e\nu \mu \nu \) final state in pp collisions at \(\sqrt{s}=13\) \(\,\text {TeV}\) with the ATLAS detector
A search for neutral heavy resonances is performed in the \(WW\rightarrow e\nu \mu \nu \) ...
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Article
Open AccessSearch for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector
Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton-proton collision data corresponding to an integrated lumin...
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Open AccessFirst observation of B+ → D s + K+K− decays and a search for B+ → D s + ϕ decays
A search for B+ → D s + K+K− decays is performed using pp collision data corresponding to an integrated luminosity of 4....
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Article
Open AccessSearch for excited B c + states
A search is performed in the invariant mass spectrum of the B c + π+π− system for the excited B ...
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Article
Open AccessSearch for new phenomena in high-mass final states with a photon and a jet from \(pp\) collisions at \(\sqrt{s}\) = 13 TeV with the ATLAS detector
A search is performed for new phenomena in events having a photon with high transverse momentum and a jet collected in $$36.7~\text {f...
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Article
Open AccessDirect top-quark decay width measurement in the \(\mathbf {\varvec{t\bar{t}}}\) lepton+jets channel at \(\sqrt{s}=8~\text {TeV}\) with the ATLAS experiment
This paper presents a direct measurement of the decay width of the top quark using \(t\bar{t}\) ...
