M. Hajheidari

activity

20222026

ψ

ψ

mass spectrum in proton-proton collisions at

s

= 13 TeV

112 citations · 1k across the 137 of their papers we have counts for

collaborators

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66 papers · 1 filter

hep-ex2023★ 16 cited

Observation of enhanced long-range elliptic anisotropies inside high-multiplicity jets in pp collisions at $s$ = 13 TeV

CMS Collaboration

A search for partonic collective effects inside jets produced in proton-proton collisions is performed via correlation measurements of charged constituents using the CMS detector a…

hep-ex2023

Measurement of multidifferential cross sections for dijet production in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A measurement of the dijet production cross section is reported based on proton-proton collision data collected in 2016 at $s$ = 13 TeV by the CMS experiment at the CERN LHC…

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★ 3 cited

Evidence for tWZ production in proton-proton collisions at $s$ = 13 TeV in multilepton final states

CMS Collaboration

The first evidence for the standard model production of a top quark in association with a W boson and a Z boson is reported. The measurement is performed in multilepton final state…

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★ 1 cited

Search for flavor changing neutral current interactions of the top quark in final states with a photon and additional jets in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for the production of a top quark in association with a photon and additional jets via flavor changing neutral current interactions is presented. The analysis uses proton-…

hep-ex2023★ 13 cited

Measurement of simplified template cross sections of the Higgs boson produced in association with W or Z bosons in the H $\to$ $b b ˉ$ decay channel in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

Differential cross sections are measured for the standard model Higgs boson produced in association with vector bosons (W, Z) and decaying to a pair of b quarks. Measurements are p…

hep-ex2023★ 2 cited

Search for charged-lepton flavor violation in the production and decay of top quarks using trilepton final states in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search is performed for charged-lepton flavor violating processes in top quark (t) production and decay. The data were collected by the CMS experiment from proton-proton collisio…

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★ 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★ 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★ 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 $D^{*} \to D γ$ …

nucl-ex2023★ 2 cited

Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at $s_{N N} = 5.02$ TeV with the LHCb detector

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

Flow harmonic coefficients, $v_{n}$ , which are the key to studying the hydrodynamics of the quark-gluon plasma (QGP) created in heavy-ion collisions, have been measured in various co…

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★ 4 cited

Curvature-bias corrections using a pseudomass method

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

Momentum measurements for very high momentum charged particles, such as muons from electroweak vector boson decays, are particularly susceptible to charge-dependent curvature biase…

hep-ex2023★ 6 cited

Search for new Higgs bosons via same-sign top quark pair production in association with a jet in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search is presented for new Higgs bosons in proton-proton (pp) collision events in which a same-sign top quark pair is produced in association with a jet, via the pp $\to$ tH/A $…

hep-ex2023★ 9 cited

Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at $s$ = 13 TeV

CMS, TOTEM Collaborations

A search is presented for high-mass exclusive diphoton production via photon-photon fusion in proton-proton collisions at $s$ = 13 TeV in events where both protons survive t…

hep-ex2023★ 4 cited

Search for an exotic decay of the Higgs boson into a Z boson and a pseudoscalar particle in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for an exotic decay of the Higgs boson to a Z boson and a light pseudoscalar particle (a), decaying to a pair of leptons and a pair of photons, respectively, is presented.…

hep-ex2023

Observation of $Ξ_{b}^{0} \to Ξ_{c}^{+} D_{s}^{-}$ and $Ξ_{b}^{-} \to Ξ_{c}^{0} D_{s}^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1090

The $Ξ_{b}^{0} \to Ξ_{c}^{+} D_{s}^{-}$ and $Ξ_{b}^{-} \to Ξ_{c}^{0} D_{s}^{-}$ decays are observed for the first time using proton-proton collision data collected by the LHCb experiment a…

hep-ex2023★ 1 cited

Search for W' bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

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 corresp…

Observation of enhanced long-range elliptic anisotropies inside high-multiplicity jets in pp collisions at s​ = 13 TeV

Measurement of multidifferential cross sections for dijet production 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+)

Evidence for tWZ production in proton-proton collisions at s​ = 13 TeV in multilepton final states

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

Search for flavor changing neutral current interactions of the top quark in final states with a photon and additional jets in proton-proton collisions at s​ = 13 TeV

Measurement of simplified template cross sections of the Higgs boson produced in association with W or Z bosons in the H → bbˉ decay channel in proton-proton collisions at s​ = 13 TeV

Search for charged-lepton flavor violation in the production and decay of top quarks using trilepton final states in proton-proton collisions at s​ = 13 TeV

Momentum scale calibration of the LHCb spectrometer

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

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

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

Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at sNN​​=5.02 TeV with the LHCb detector

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

Curvature-bias corrections using a pseudomass method

Search for new Higgs bosons via same-sign top quark pair production in association with a jet in proton-proton collisions at s​ = 13 TeV

Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at s​ = 13 TeV

Search for an exotic decay of the Higgs boson into a Z boson and a pseudoscalar particle in proton-proton collisions at s​ = 13 TeV

Observation of Ξb0​→Ξc+​Ds−​ and Ξb−​→Ξc0​Ds−​ decays

Search for W' bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at s​ = 13 TeV

Observation of enhanced long-range elliptic anisotropies inside high-multiplicity jets in pp collisions at $s$ = 13 TeV

Measurement of multidifferential cross sections for dijet production 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 $B (B_{c}^{+} \to ψ (2 S) π^{+}) / B (B_{c}^{+} \to J / ψ π^{+})$

Evidence for tWZ production in proton-proton collisions at $s$ = 13 TeV in multilepton final states

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

Search for flavor changing neutral current interactions of the top quark in final states with a photon and additional jets in proton-proton collisions at $s$ = 13 TeV

Measurement of simplified template cross sections of the Higgs boson produced in association with W or Z bosons in the H $\to$ $b b ˉ$ decay channel in proton-proton collisions at $s$ = 13 TeV

Search for charged-lepton flavor violation in the production and decay of top quarks using trilepton final states in proton-proton collisions at $s$ = 13 TeV

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

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

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

Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at $s_{N N} = 5.02$ TeV with the LHCb detector

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

Search for new Higgs bosons via same-sign top quark pair production in association with a jet in proton-proton collisions at $s$ = 13 TeV

Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at $s$ = 13 TeV

Search for an exotic decay of the Higgs boson into a Z boson and a pseudoscalar particle in proton-proton collisions at $s$ = 13 TeV

Observation of $Ξ_{b}^{0} \to Ξ_{c}^{+} D_{s}^{-}$ and $Ξ_{b}^{-} \to Ξ_{c}^{0} D_{s}^{-}$ decays

Search for W' bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at $s$ = 13 TeV