Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering

output

19972026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2023 · hep-exShow all

127 papers · 2 filters

hep-ex2023★ 9 cited

Measurement of the primary Lund jet plane density in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A measurement is presented of the primary Lund jet plane (LJP) density in inclusive jet production in proton-proton collisions. The analysis uses 138 fb $^{- 1}$ of data collected by…

hep-ex2023★ 6 cited

Multiplicity dependence of $σ_{ψ (2 S)} / σ_{J / ψ}$ in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1087

The ratio of production cross-sections of $ψ (2 S)$ over $J / ψ$ mesons as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy $\sqrt{s}=…

hep-ex2023★ 3 cited

Study of $B_{c}^{+} \to χ_{c} π^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1073

A study of $B_{c}^{+} \to χ_{c} π^{+}$ decays is reported using proton-proton collision data, collected with the LHCb detector at centre-of-mass energies of 7, 8, and 13 TeV, corre…

hep-ex2023★ 1 cited

Search for $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays and measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1078

The first search for nonresonant $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays is reported. The analysis uses proton-proton collision data collected with the LHCb detector between 2011 and 2018, corr…

hep-ex2023★ 10 cited

Search for Leptonic Decays of Dark Photons at NA62

The NA62 collaboration

The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of $1.4 \times 1 0^{17}$ protons on…

hep-ex2023★ 22 cited

Amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

An amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay is presented using a dataset corresponding to an integrated luminosity of $4.7$ fb $^{- 1}$ of $pp$ collision data collecte…

hep-ex2023★ 15 cited

Determination of short- and long-distance contributions in $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1082

An amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay is presented. The analysis is based on data collected by the LHCb experiment from proton-proton collisions at $\sqrt{s} =…

hep-ex2023★ 3 cited

Study of High-Transverse-Momentum Higgs Boson Production in Association with a Vector Boson in the $q q bb$ Final State with the ATLAS Detector

ATLAS Collaboration

This Letter presents the first study of Higgs boson production in association with a vector boson (V = W or Z) in the fully hadronic $q q bb$ final state using data recorded by the A…

hep-ex2023★ 9 cited

Search for long-lived heavy neutral leptons with lepton flavour conserving or violating decays to a jet and a charged lepton

CMS Collaboration

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 2-2…

hep-ex2023★ 15 cited

Inclusive and differential cross-section measurements of $t t ˉ Z$ production in $pp$ collisions at $s = 13$ TeV with the ATLAS detector, including EFT and spin-correlation interpretations

ATLAS Collaboration

Measurements of both the inclusive and differential production cross sections of a top-quark-top-antiquark pair in association with a $Z$ boson ( $t t ˉ Z$ ) are presented. Final s…

hep-ex2023★ 3 cited

Measurement of jet substructure in boosted $t t ˉ$ events with the ATLAS detector using 140 fb $^{- 1}$ of 13 TeV $pp$ collisions

ATLAS Collaboration

Measurements of the substructure of top-quark jets are presented, using 140 fb $^{- 1}$ of 13 TeV $pp$ collision data recorded with the ATLAS detector at the LHC. Top-quark jets reco…

hep-ex2023★ 7 cited

Momentum scale calibration of the LHCb spectrometer

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1076

For accurate determination of particle masses accurate knowledge of the momentum scale of the detectors is crucial. The procedure used to calibrate the momentum scale of the LHCb s…

hep-ex2023★ 18 cited

Measurement and interpretation of same-sign $W$ boson pair production in association with two jets in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

The ATLAS Collaboration

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…

hep-ex2023★ 9 cited

Fraction of $χ_{c}$ decays in prompt $J / ψ$ production measured in pPb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

The fraction of $χ_{c 1}$ and $χ_{c 2}$ decays in the prompt $J / ψ$ yield, $F_{χc} = σ_{χ_{c} \to J / ψ} / σ_{J / ψ}$ , is measured by the LHCb detector in pPb collisions at $s_{N N} = 8.16$ …

hep-ex2023★ 5 cited

Search for light long-lived neutral particles from Higgs boson decays via vector-boson-fusion production from $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search is reported for long-lived dark photons with masses between 0.1 GeV and 15 GeV, from exotic decays of Higgs bosons produced via vector-boson-fusion. Events that contain di…

hep-ex2023★ 9 cited

Combination of searches for resonant Higgs boson pair production using $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A combination of searches for a new resonance decaying into a Higgs boson pair is presented, using up to 139 fb $^{- 1}$ of $pp$ collision data at $s = 13$ TeV recorded with the…

hep-ex2023★ 3 cited

Measurement of associated $J / ψ$ - $ψ (2 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1080

The cross-section of associated $J / ψ$ - $ψ (2 S)$ production in proton-proton collisions at a centre-of-mass energy of $s = 13$ TeV is measured using a data sample corresponding t…

hep-ex2023★ 4 cited

Observation of $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{() 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

The decays $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{(*) 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{*-}$ are observed for the first time, in proton-proton collision data at $s = 13$ TeV corresponding to a…

hep-ex2023★ 8 cited

Measurement of $J / ψ$ -pair production in $pp$ collisions at $s = 13$ TeV and study of gluon transverse-momentum dependent PDFs

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1080

The production cross-section of $J / ψ$ pairs in proton-proton collisions at a centre-of-mass energy of $s = 13$ TeV is measured using a data sample corresponding to an integrat…

hep-ex2023★ 2 cited

Multiplicity dependence of charged-particle intra-jet properties in pp collisions at $s$ = 13 TeV

ALICE Collaboration

The first measurement of the multiplicity dependence of intra-jet properties of leading charged-particle jets in proton-proton (pp) collisions is reported. The mean charged-particl…

hep-ex2023★ 1 cited

A model-independent measurement of the CKM angle $γ$ in partially reconstructed $B^{\pm} \to D^{*} h^{\pm}$ decays with $D \to K_{S}^{0} h^{+} h^{-}$ $(h = π, K)$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1081

A measurement of $C P$ -violating observables in $B^{\pm} \to D^{*} K^{\pm}$ and $B^{\pm} \to D^{*} π^{\pm}$ decays is made where the photon or neutral pion from the $D^{*} \to D γ$ …

hep-ex2023★ 10 cited

Observation of strangeness enhancement with charmed mesons in high-multiplicity $p Pb$ collisions at $s_{NN} = 8.16$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1088

The production of prompt $D_{s}^{+}$ and $D^{+}$ mesons is measured by the LHCb experiment in proton-lead ( $p Pb$ ) collisions in both the forward ( $1.5 < y^{*} < 4.0$ ) and backward (…

hep-ex2023★ 111 cited

Observation of quantum entanglement in top-quark pairs using the ATLAS detector

ATLAS Collaboration

Entanglement is a key feature of quantum mechanics, with applications in fields such as metrology, cryptography, quantum information, and quantum computation. It has been observed…

hep-ex2023★ 11 cited

Measurement of the $D^{}$ longitudinal polarization in $B^{0} \to D^{-} τ^{+} ν_{τ}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1091

The longitudinal polarization fraction of the $D^{*}$ meson is measured in $B^{0} \to D^{*-} τ^{+} ν_{τ}$ decays, where the $τ$ lepton decays to three charged pions and a neutrino, using…

Measurement of the primary Lund jet plane density in proton-proton collisions at s​ = 13 TeV

Multiplicity dependence of σψ(2S)​/σJ/ψ​ in pp collisions at s​=13 TeV

Study of Bc+​→χc​π+ decays

Search for Bc+​→π+μ+μ− decays and measurement of the branching fraction ratio B(Bc+​→ψ(2S)π+)/B(Bc+​→J/ψπ+)

Search for Leptonic Decays of Dark Photons at NA62

Amplitude analysis of the B0→K∗0μ+μ− decay

Determination of short- and long-distance contributions in B0→K∗0μ+μ− decays

Study of High-Transverse-Momentum Higgs Boson Production in Association with a Vector Boson in the qqbb Final State with the ATLAS Detector

Search for long-lived heavy neutral leptons with lepton flavour conserving or violating decays to a jet and a charged lepton

Inclusive and differential cross-section measurements of ttˉZ production in pp collisions at s​=13 TeV with the ATLAS detector, including EFT and spin-correlation interpretations

Measurement of jet substructure in boosted ttˉ events with the ATLAS detector using 140 fb−1 of 13 TeV pp collisions

Momentum scale calibration of the LHCb spectrometer

Measurement and interpretation of same-sign W boson pair production in association with two jets in pp collisions at s​=13 TeV with the ATLAS detector

Fraction of χc​ decays in prompt J/ψ production measured in pPb collisions at sNN​​=8.16 TeV

Search for light long-lived neutral particles from Higgs boson decays via vector-boson-fusion production from pp collisions at s​=13 TeV with the ATLAS detector

Combination of searches for resonant Higgs boson pair production using pp collisions at s​=13 TeV with the ATLAS detector

Measurement of associated J/ψ-ψ(2S) production cross-section in pp collisions at s​=13 TeV

Observation of Λb0​→Λc+​Dˉ(∗)0K− and Λb0​→Λc+​Ds∗−​ decays

Measurement of J/ψ-pair production in pp collisions at s​=13 TeV and study of gluon transverse-momentum dependent PDFs

Multiplicity dependence of charged-particle intra-jet properties in pp collisions at s​ = 13 TeV

A model-independent measurement of the CKM angle γ in partially reconstructed B±→D∗h± decays with D→KS0​h+h− (h=π,K)

Observation of strangeness enhancement with charmed mesons in high-multiplicity pPb collisions at sNN​​=8.16TeV

Observation of quantum entanglement in top-quark pairs using the ATLAS detector

Measurement of the D∗ longitudinal polarization in B0→D∗−τ+ντ​ decays

Measurement of the primary Lund jet plane density in proton-proton collisions at $s$ = 13 TeV

Multiplicity dependence of $σ_{ψ (2 S)} / σ_{J / ψ}$ in $pp$ collisions at $s = 13$ TeV

Study of $B_{c}^{+} \to χ_{c} π^{+}$ decays

Search for $B_{c}^{+} \to π^{+} μ^{+} μ^{-}$ decays and measurement of the branching fraction ratio $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

Amplitude analysis of the $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decay

Determination of short- and long-distance contributions in $B^{0} \to K^{* 0} μ^{+} μ^{-}$ decays

Study of High-Transverse-Momentum Higgs Boson Production in Association with a Vector Boson in the $q q bb$ Final State with the ATLAS Detector

Inclusive and differential cross-section measurements of $t t ˉ Z$ production in $pp$ collisions at $s = 13$ TeV with the ATLAS detector, including EFT and spin-correlation interpretations

Measurement of jet substructure in boosted $t t ˉ$ events with the ATLAS detector using 140 fb $^{- 1}$ of 13 TeV $pp$ collisions

Measurement and interpretation of same-sign $W$ boson pair production in association with two jets in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Fraction of $χ_{c}$ decays in prompt $J / ψ$ production measured in pPb collisions at $s_{N N} = 8.16$ TeV

Search for light long-lived neutral particles from Higgs boson decays via vector-boson-fusion production from $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Combination of searches for resonant Higgs boson pair production using $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Measurement of associated $J / ψ$ - $ψ (2 S)$ production cross-section in $pp$ collisions at $s = 13$ TeV

Observation of $Λ_{b}^{0} \to Λ_{c}^{+} D ˉ^{() 0} K^{-}$ and $Λ_{b}^{0} \to Λ_{c}^{+} D_{s}^{-}$ decays

Measurement of $J / ψ$ -pair production in $pp$ collisions at $s = 13$ TeV and study of gluon transverse-momentum dependent PDFs

Multiplicity dependence of charged-particle intra-jet properties in pp collisions at $s$ = 13 TeV

A model-independent measurement of the CKM angle $γ$ in partially reconstructed $B^{\pm} \to D^{*} h^{\pm}$ decays with $D \to K_{S}^{0} h^{+} h^{-}$ $(h = π, K)$

Observation of strangeness enhancement with charmed mesons in high-multiplicity $p Pb$ collisions at $s_{NN} = 8.16$ TeV

Measurement of the $D^{}$ longitudinal polarization in $B^{0} \to D^{-} τ^{+} ν_{τ}$ decays