A. Grecu

collaborators

60 papers

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-ex2026

Measurement of $I ¨ (2 S)$ to $J / I ¨ $ cross-section ratio as function of multiplicity in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1139

The production ratio of $I ¨ (2 S)$ to $J / I ¨ $ charmonium states is presented as a function of multiplicity in proton-lead collisions at a centre-of-mass energy of $s_{N N} = 8.16$ …

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…

hep-ex2025

Search for the $B_{c}^{+} \to I ¨ _{c 1} (3872) I ¨ ^{+}$ decay

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

A search for the decay $B_{c}^{+} \to I ¨ _{c 1} (3872) I ¨ ^{+}$ is reported using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass…

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…

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

Measurement of I¨(2S) to J/I¨ cross-section ratio as function of multiplicity in pPb collisions atsNN​​=8.16 TeV

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

Search for the Bc+​→I¨c1​(3872)I¨+ decay

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