P. Gardner

collaborators

17 papers

hep-ex2026

First evidence of the decay $B^{+} \to I ¨ ^{+} e^{+} e^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first evidence for the decay $B^{+} \to I ¨ ^{+} e^{+} e^{-}$ is reported using proton-proton collision data recorded by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV,…

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

Observation of a new charmed baryon decaying to $I^_{c}^{+} I ¨ ^{-} I ¨ ^{+}$

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

The $I^_{c}^{+} I ¨ ^{-} I ¨ ^{+}$ spectrum is investigated using proton-proton collisions at a center-of-mass energy of 13TeV, corresponding to an integrated luminosity of 5.4fb $^{- 1}$ , colle…

hep-ex2025

Observation of charge-parity symmetry breaking in baryon decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1136

The Standard Model of particle physics-the theory of particles and interactions at the smallest scale-predicts that matter and antimatter interact differently due to violation of t…

hep-ex2025

Search for charge-parity violation in semileptonically tagged $D^{0} \to K^{+} I ¨ ^{-}$ decays

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

An analysis of the flavour oscillations of the charmed neutral meson is presented. The ratio of $D^{0} \to K^{+} I ¨ ^{-}$ and $D^{0} \to K^{-} I ¨ ^{+}$ decay rates is measured as a f…

First evidence of the decay B+→I¨+e+e−

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

Observation of a new charmed baryon decaying to I^c+​I¨−I¨+

Observation of charge-parity symmetry breaking in baryon decays

Search for charge-parity violation in semileptonically tagged D0→K+I¨− decays

First evidence of the decay $B^{+} \to I ¨ ^{+} e^{+} e^{-}$

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

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

Observation of a new charmed baryon decaying to $I^_{c}^{+} I ¨ ^{-} I ¨ ^{+}$

Search for charge-parity violation in semileptonically tagged $D^{0} \to K^{+} I ¨ ^{-}$ decays