W. Hulsbergen

activity

20242026

collaborators

94 papers

hep-ex2026

Angular analysis of the decay $Λ_{b}^{0} \to Λ (1520) μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1161

The first angular analysis of $Λ_{b}^{0} \to Λ (1520) μ^{+} μ^{-}$ decays is presented, using proton-proton collision data collected with the LHCb detector betwe…

hep-ex2026

Measurement of the branching fraction of the $I^_{b}^{0} \to J / I ¨ I^$ decay and isospin asymmetry of $B \to J / I ¨ K$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1193

This paper describes a measurement of the $I^_{b}^{0} \to J / I ¨ I^$ branching fraction using data collected with the LHCb experiment in proton-proton collisions from 2016 to 2018. The dat…

hep-ex2026

First measurement of the decay-time-integrated $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{-} I ¨ ^{+}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A measurement of the flavour-untagged decay-time-integrated $C P$ asymmetry in the flavour-specific decay $B_{s}^{0} \to D_{s}^{-} I ¨ ^{+}$ , $⟨ A_{untagged}^{s} ⟩$ , is perf…

hep-ex2026

Measurement of the local and nonlocal amplitudes in $B^{+} \to K^{+} I^¼^{+} I^¼^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

This paper presents a thorough study of the local and nonlocal amplitudes in $B^{+} \to K^{+} I^¼^{+} I^¼^{-}$ transitions through an amplitude analysis of the dimuon mass spectrum of the deca…

hep-ex2026

Improved branching-fraction measurements of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{^{'} -}$ decays and first observation of $B_{s}^{0} \to K_{S}^{0} K^{+} K^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1123

This paper presents a study of the charmless three-body decays $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{' -}$ (where $h^{(')} = I ¨ , K$ ), using a sample of $pp$ collision…

hep-ex2026

A model-independent measurement of the CKM angle $I^^{3}$ in the decays $B^{\pm} \to [K^{+} K^{-} I ¨ ^{+} I ¨ ^{-}]_{D} h^{\pm}$ and $B^{\pm} \to [I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{-}]_{D} h^{\pm}$ ( $h = K, I ¨ $ )

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1164

A model-independent determination of the CKM angle $I^^{3}$ is presented, using the $B^{\pm} \to [K^{+} K^{-} I ¨ ^{+} I ¨ ^{-}]_{D} h^{\pm}$ and $B^{\pm} \to [I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{-}]_{D} h^{\pm}$ decays, with $h = K, I ¨ $ . T…

Angular analysis of the decay Λb0​→Λ(1520)μ+μ−

Measurement of the branching fraction of the I^b0​→J/I¨I^ decay and isospin asymmetry of B→J/I¨K decays

First measurement of the decay-time-integrated CP asymmetry in Bs0​→Ds−​I¨+ decays

Measurement of the local and nonlocal amplitudes in B+→K+I^¼+I^¼− decays

Improved branching-fraction measurements of B(s)0​→KS0​h+h′− decays and first observation of Bs0​→KS0​K+K−

A model-independent measurement of the CKM angle I^3 in the decays B±→[K+K−I¨+I¨−]D​h± and B±→[I¨+I¨−I¨+I¨−]D​h± (h=K,I¨)

Angular analysis of the decay $Λ_{b}^{0} \to Λ (1520) μ^{+} μ^{-}$

Measurement of the branching fraction of the $I^_{b}^{0} \to J / I ¨ I^$ decay and isospin asymmetry of $B \to J / I ¨ K$ decays

First measurement of the decay-time-integrated $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{-} I ¨ ^{+}$ decays

Measurement of the local and nonlocal amplitudes in $B^{+} \to K^{+} I^¼^{+} I^¼^{-}$ decays

Improved branching-fraction measurements of $B_{(s)}^{0} \to K_{S}^{0} h^{+} h^{^{'} -}$ decays and first observation of $B_{s}^{0} \to K_{S}^{0} K^{+} K^{-}$

A model-independent measurement of the CKM angle $I^^{3}$ in the decays $B^{\pm} \to [K^{+} K^{-} I ¨ ^{+} I ¨ ^{-}]_{D} h^{\pm}$ and $B^{\pm} \to [I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I ¨ ^{-}]_{D} h^{\pm}$ ( $h = K, I ¨ $ )