F. Betti

works on

B_c+ meson 1 B+ meson 1 branching fraction limits 1 lhcb experiment 1 radiative leptonic B decays 1

From the 1 of 56 linked papers with an AI index.

collaborators

56 papers

hep-ex2026

Search for the decays $B_{(c)}^{+} \to I^¼^{+} I^½_{I^} ¼ I^^{3}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1128

The LHCb experiment searched for the rare radiative leptonic decays B⁺→μ⁺ν_μγ and B_c⁺→μ⁺ν_μγ in 13 TeV proton‑proton collisions, finding no signal and setting upper limits on thei…

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

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…

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…

hep-ex2026

Observation of the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$

LHCb collaboration, R. Aaij, M. Abdelfatah +1117

A search for the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$ is performed using proton-proton collision data recorded by the LHCb experi…

Search for the decays B(c)+​→I^¼+I^½I^​¼I^3

First measurement of time-dependent CP violation in the flavor-changing neutral-current decay B0→KS0​I^¼+I^¼−

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

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

Observation of the charmless purely baryonic decay Λb0​→Λpp​

Search for the decays $B_{(c)}^{+} \to I^¼^{+} I^½_{I^} ¼ I^^{3}$

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

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

Observation of the charmless purely baryonic decay $Λ_{b}^{0} \to Λ p p$