M. Hajheidari

activity

20242026

collaborators

44 papers

hep-ex2026

New measurements of $B_{c}^{+}$ decays into single charm final states

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1147

Using proton-proton collision data corresponding to an integrated luminosity of $9 fb^{- 1}$ collected by the LHCb experiment, searches are performed for $B_{c}^{+}$ mesons d…

hep-ex2026

Probing the nature of the $I ¨ _{c 1} (3872)$ state using radiative decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1097

The radiative decays $I ¨ _{c 1} (3872) \to I ¨ (2 S) I^^{3}$ and $I ¨ _{c 1} (3872) \to J / I ¨ I^^{3}$ are used to probe the~nature of the~ $I ¨ _{c 1} (3872)$ state using proton-proton collisio…

nucl-ex2025

Coherent photoproduction of $I ¨ ^{0}, I ¨ $ and excited vector mesons in ultraperipheral PbPb collisions

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The invariant-mass distribution for the coherent photoproduction of dipions in ultraperipheral PbPb collisions is measured using data, corresponding to an integrated luminosity of…

nucl-ex2025

Measurement of the $I ¨ (2 S)$ to $J / I ¨ $ cross-section ratio as a function of centrality in PbPb collisions at $s_{NN}$ = 5.02 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The dissociation of quarkonium states with different binding energies produced in heavy-ion collisions is a powerful probe for investigating the formation and properties of the qua…

hep-ex2025

Analysis of $I^_{b}^{0} \to p K^{-} I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1117

The differential branching fraction and angular coefficients of $I^_{b}^{0} \to p K^{-} I^¼^{+} I^¼^{-}$ decays are measured in bins of the dimuon mass squared and dihadron ma…

hep-ex2025

Amplitude analysis of the $I^_{c}^{+} \to p K^{-} I ¨ ^{+}$ decay and $I^_{c}^{+}$ baryon polarization measurement in semileptonic beauty-hadron decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1128

An amplitude analysis of the $I^_{c}^{+} \to p K^{-} I ¨ ^{+}$ decay together with a measurement of the $I^_{c}^{+}$ polarization vector in semileptonic beauty-hadron decays is presented. The analy…

New measurements of Bc+​ decays into single charm final states

Probing the nature of the I¨c1​(3872) state using radiative decays

Coherent photoproduction of I¨0,I¨ and excited vector mesons in ultraperipheral PbPb collisions

Measurement of the I¨(2S) to J/I¨ cross-section ratio as a function of centrality in PbPb collisions at sNN​​ = 5.02 TeV

Analysis of I^b0​→pK−I^¼+I^¼− decays