1,124 Result(s)
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English
Quantum Field Theories, String Theory
**-feng Chen
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Open AccessTest of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons
A search for CP violation in the decay kinematics and vector-boson fusion production of the Higgs boson is performed in the H → ZZ* → 4ℓ (ℓ = e, μ) decay channel. The results are based on proton-proton collision ...
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Open AccessMeasurement of the branching fraction of B0 → J/ψπ0 decays
The ratio of branching fractions between B0 → J/ψπ0 and B+ → J/ψK*+ decays is measured with proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. The ...
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Open AccessSearch for \({{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} \) decays and measurement of the branching fraction ratio \({\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {\psi {(2S)}} {{\pi } ^+} )/{\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\pi } ^+} )\)
The first search for nonresonant \({{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} \) ...
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Open AccessSearch for long-lived particles decaying to final states with a pair of muons in proton-proton collisions at \( \sqrt{s} \) = 13.6 TeV
An inclusive search for long-lived exotic particles (LLPs) decaying to final states with a pair of muons is presented. The search uses data corresponding to an integrated luminosity of 36.6 fb−1 collected by the ...
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Open AccessInclusive and differential cross section measurements of \( \textrm{t}\overline{\textrm{t}}\textrm{b}\overline{\textrm{b}} \) production in the lepton+jets channel at \( \sqrt{s} \) = 13 TeV
Measurements of inclusive and normalized differential cross sections of the associated production of top quark-antiquark and bottom quark-antiquark pairs, ...
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Open AccessSearch for W′ bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for W′ bosons decaying to a top and a bottom quark in final states including an electron or a muon is performed with the CMS detector at the LHC. The analyzed data correspond to an integrated luminosi...
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Open AccessStudy of CP violation in B0 → DK⋆(892)0 decays with D → Kπ(ππ), ππ(ππ), and KK final states
A measurement of CP-violating observables associated with the interference of B0 → D0K⋆(892)0 and B ...
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Open AccessA search for R-parity-violating supersymmetry in final states containing many jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for R-parity-violating supersymmetry in final states with high jet multiplicity is presented. The search uses 140 fb−1 of proton-proton collision data at
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Open AccessObservation of the \( {B}_c^{+}\to J/\psi {\pi}^{+}{\pi}^0 \) decay
The first observation of the B c + ...
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Open AccessCombination of searches for heavy spin-1 resonances using 139 fb−1 of proton-proton collision data at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A combination of searches for new heavy spin-1 resonances decaying into different pairings of W, Z, or Higgs bosons, as well as directly into leptons or quarks, is presented. The data sample used corresponds to 1...
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Open AccessPrompt and nonprompt ψ(2S) production in pPb collisions at \( \sqrt{s_{\textrm{NN}}} \) = 8.16 TeV
The production of ψ(2S) mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of ...
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Open AccessMeasurement and interpretation of same-sign W boson pair production in association with two jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
This paper presents the measurement of fiducial and differential cross sections for both the inclusive and electroweak production of a same-sign W-boson pair in association with two jets (W±W±jj) using 139 fb−1 o...
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Open AccessSearch for new phenomena with top-quark pairs and large missing transverse momentum using 140 fb−1 of pp collision data at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search is conducted for new phenomena in events with a top quark pair and large missing transverse momentum, where the top quark pair is reconstructed in final states with one isolated electron or muon and m...
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Open AccessA precise measurement of the Z-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at \(\sqrt{s}=8\) TeV
This paper presents for the first time a precise measurement of the production properties of the Z boson in the full phase space of the decay leptons. This is in contrast to the many previous precise unfolded mea...
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Open AccessSearch for dark matter particles in W+W− events with transverse momentum imbalance in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for dark matter particles is performed using events with a pair of W bosons and large missing transverse momentum. Candidate events are selected by requiring one or two leptons (ℓ = electrons or muons). ...
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Open AccessSearch for long-lived heavy neutral leptons with lepton flavour conserving or violating decays to a jet and a charged lepton
A search for long-lived heavy neutral leptons (HNLs) is presented, which considers the hadronic final state and coupling scenarios involving all three lepton generations in the 2–20 GeV HNL mass range for the ...
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Open AccessSearch for CP violation in the phase space of \( {D}^0\to {K}_S^0{K}^{\pm }{\pi}^{\mp } \) decays with the energy test
A search for CP violation in D 0 → ...
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Open AccessMeasurement of J/ψ-pair production in pp collisions at \( \sqrt{s} \) = 13 TeV and study of gluon transverse-momentum dependent PDFs
The production cross-section of J/ψ pairs in proton-proton collisions at a centre-of-mass energy of s ...
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Open AccessSearch for a CP-odd Higgs boson decaying into a heavy CP-even Higgs boson and a Z boson in the \( {\ell}^{+}{\ell}^{-}t\overline{t} \) and \( \nu \overline{\nu}b\overline{b} \) final states using 140 fb−1 of data collected with the ATLAS detector
A search for a heavy CP-odd Higgs boson, A, decaying into a Z boson and a heavy CP-even Higgs boson, H, is presented. It uses the full LHC Run 2 dataset of pp collisions at
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Open AccessStudy of \( {B}_c^{+}\to {\chi}_c{\pi}^{+} \) decays
A study of B c + → ...
