X. Hu

collaborators

20 papers

hep-ex2026

Observation of $C P$ violation in $B^{0} \to J / I ¨ I ¨ (770)^{0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1172

The LHCb collaboration measures the time‑dependent CP asymmetry in B⁰ → J/ψ ρ⁰ decays, reporting the first observation of CP violation in this channel and determining the effective…

hep-ex2026

Study of the $B^{0} \to I^_{c}^{+} I^ˉ _{c}^{-} K_{S}^{0}$ decay

LHCb collaboration, R. Aaij, M. Abdelfatah +1113

The decay $B^{0} \to I^_{c}^{+} I^ˉ _{c}^{-} K_{S}^{0}$ is studied at LHCb for the first time using proton-proton collision data recorded by the LHCb experiment at a center-of-mass energy of $…

hep-ex2026

Differential measurement of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to I ¨ ^{\pm} I^¼^{+} I^¼^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

Differential measurements of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to I ¨ ^{\pm} I^¼^{+} I^¼^{-}$ are performed in intervals of the dimuon mass squared, $q^{2}$ , using…

hep-ex2026

$B$ -jet fragmentation with $B^{\pm} \to J / I ¨ K^{\pm}$ decays in $s = 13$ TeV $pp$ collisions at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1166

The collinear and transverse-momentum-dependent jet fragmentation function and the radial profile for $B^{\pm}$ mesons in jets are measured. The $B^{\pm}$ mesons are reconstructed…

hep-ex2026

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / I ¨ I ¨ ^{+} I^½_{I ¨} ) / B (B_{c}^{+} \to J / I ¨ I^¼^{+} I^½_{I^} ¼)$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

A measurement of the ratio of semileptonic branching fractions $R (J I ¨ )$ , defined as $\mathcal{R}(J/Ï) \equiv \mathcal{B}(B_c^+ \to J/ÏÏ^+ Î½_Ï)/\mathcal{B}(B_c^+ \to…

hep-ex2026

Observation of the decay $I ¨ _{c 1} (3872) \to J / I ¨ I^¼^{+} I^¼^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

The first observation of the $I ¨ _{c 1} (3872) \to J / I ¨ I^¼^{+} I^¼^{-}$ decay is reported using proton-proton collision data recorded with the LHCb detector corr…

Observation of CP violation in B0→J/I¨I¨(770)0 decays

Study of the B0→I^c+​I^ˉc−​KS0​ decay

Differential measurement of the branching fraction and CP asymmetry of the decay B±→I¨±I^¼+I^¼−

B-jet fragmentation with B±→J/I¨K± decays in s​=13 TeV pp collisions at LHCb

Measurement of the ratio of branching fractions B(Bc+​→J/I¨I¨+I^½I¨​)/B(Bc+​→J/I¨I^¼+I^½I^​¼)

Observation of the decay I¨c1​(3872)→J/I¨I^¼+I^¼−

Observation of $C P$ violation in $B^{0} \to J / I ¨ I ¨ (770)^{0}$ decays

Study of the $B^{0} \to I^_{c}^{+} I^ˉ _{c}^{-} K_{S}^{0}$ decay

Differential measurement of the branching fraction and $C P$ asymmetry of the decay $B^{\pm} \to I ¨ ^{\pm} I^¼^{+} I^¼^{-}$

$B$ -jet fragmentation with $B^{\pm} \to J / I ¨ K^{\pm}$ decays in $s = 13$ TeV $pp$ collisions at LHCb

Measurement of the ratio of branching fractions $B (B_{c}^{+} \to J / I ¨ I ¨ ^{+} I^½_{I ¨} ) / B (B_{c}^{+} \to J / I ¨ I^¼^{+} I^½_{I^} ¼)$

Observation of the decay $I ¨ _{c 1} (3872) \to J / I ¨ I^¼^{+} I^¼^{-}$