P. Collins

collaborators

61 papers

hep-ex2026

First measurement of time-dependent $C P$ violation in the flavor-changing neutral-current decay $B^{0} \to K_{S}^{0} I^¼^{+} I^¼^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1165

A flavor-tagged time-dependent analysis of $B^{0} \to K_{S}^{0} I^¼^{+} I^¼^{-}$ decays is performed across the full dimuon mass range excluding the $J / I ¨ $ and $I ¨ (2 S)$ resonanc…

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

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

Study of nuclear effects on charm production in light-ion collisions

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

The onset of nuclear effects in light-ion collisions is studied by measuring the ratio of $D^{0}$ meson production between NeNe and OO collisions at a center-of-mass energy per nucle…

hep-ex2026

Searches for $B^{0} \to K^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{-}$ and $B_{s}^{0} \to K^{+} K^{-} I ¨ ^{+} I ¨ ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1185

The first searches for $B^{0} \to K^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{-}$ and $B_{s}^{0} \to K^{+} K^{-} I ¨ ^{+} I ¨ ^{-}$ decays at the LHCb experiment are conducted with $pp$ collision data corresponding to an integrated lu…

First measurement of time-dependent CP violation in the flavor-changing neutral-current decay B0→KS0​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)

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

Study of nuclear effects on charm production in light-ion collisions

Searches for B0→K+I¨−I¨+I¨− and Bs0​→K+K−I¨+I¨− decays

First measurement of time-dependent $C P$ violation in the flavor-changing neutral-current decay $B^{0} \to K_{S}^{0} I^¼^{+} I^¼^{-}$

$B$ -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 $B (B_{c}^{+} \to J / I ¨ I ¨ ^{+} I^½_{I ¨} ) / B (B_{c}^{+} \to J / I ¨ I^¼^{+} I^½_{I^} ¼)$

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

Searches for $B^{0} \to K^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{-}$ and $B_{s}^{0} \to K^{+} K^{-} I ¨ ^{+} I ¨ ^{-}$ decays