B. Schmidt

activity

20052026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 25.3k across the 487 of their papers we have counts for

collaborators

Showing 2019Show all

12 papers · 1 filter

hep-ex2019★ 32 cited

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

A search for $C P$ violation in the $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 $f b^{- 1}$ collected in $pp$ coll…

hep-ex2019★ 28 cited

Search for the lepton-flavour violating decays $B^{+} \to K^{+} μ^{\pm} e^{\mp}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +895

A search for the lepton-flavour violating decays $B^{+} \to K^{+} μ^{\pm} e^{\mp}$ is performed using a sample of proton-proton collision data, collected with the LHCb experiment at ce…

hep-ex2019★ 16 cited

Measurement of CP violation in the $B_{s}^{0} \to ϕϕ$ decay and search for the $B^{0} \to ϕϕ$ decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +868

A measurement of the time-dependent CP-violating asymmetry in $B_{s}^{0} \to ϕϕ$ decays is presented. Using a sample of proton-proton collision data corresponding to an integrate…

hep-ex2019★ 14 cited

Observation of the $Λ_{b}^{0} \to χ_{c 1} (3872) p K^{-}$ decay

LHCb collaboration, R. Aaij, C. Abellán Beteta +903

Using proton-proton collision data, collected with the LHCb detector and corresponding to 1.0, 2.0 and 1.9fb $^{- 1}$ of integrated luminosity at the centre-of-mass energies of 7, 8,…

hep-ex2019★ 738 cited

Observation of a narrow pentaquark state, $P_{c} (4312)^{+}$ , and of two-peak structure of the $P_{c} (4450)^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +866

A narrow pentaquark state, $P_{c} (4312)^{+}$ , decaying to $J / ψ p$ is discovered with a statistical significance of $7.3 σ$ in a data sample of $Λ_{b}^{0} \to J / ψ p K^{-}$ decays which is an or…

hep-ex2019★ 52 cited

Amplitude analysis of $B^{\pm} \to π^{\pm} K^{+} K^{-}$ decays

LHCb Collaboration, R. Aaij, C. Abellán Beteta +842

The first amplitude analysis of the $B^{\pm} \to π^{\pm} K^{+} K^{-}$ decay is reported based on a data sample corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ of $pp$ collisions…

hep-ex2019★ 52 cited

Search for the lepton-flavour-violating decays $B_{s}^{0} \to τ^{\pm} μ^{\mp}$ and $B^{0} \to τ^{\pm} μ^{\mp}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +863

A search for $B_{s}^{0} \to τ^{\pm} μ^{\mp}$ and $B^{0} \to τ^{\pm} μ^{\mp}$ decays is performed using data corresponding to an integrated luminosity of 3 fb $^{- 1}$ of proton-proton coll…

hep-ex2019★ 28 cited

Measurement of charged hadron production in $Z$ -tagged jets in proton-proton collisions at $s = 8$ TeV

LHCb Collaboration, R. Aaij, C. Abellán Beteta +851

The production of charged hadrons within jets recoiling against a $Z$ boson is measured in proton-proton collision data at $s = 8$ TeV recorded by the LHCb experiment. The cha…

hep-ex2019★ 32 cited

First observation of the radiative decay $Λ_{b}^{0} \to Λ γ$

LHCb Collaboration, R. Aaij, C. Abellán Beteta +848

The radiative decay $Λ_{b}^{0} \to Λ γ$ is observed for the first time using a data sample of proton-proton collisions corresponding to an integrated luminosity of $1.7 f b^{- 1}$ co…

hep-ex2019★ 297 cited

Observation of $C P$ violation in charm decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +848

A search for charge-parity ( $C P$ ) violation in $D^{0} \to K^{-} K^{+}$ and $D^{0} \to π^{-} π^{+}$ decays is reported, using $pp$ collision data corresponding to an integrated luminosity of…

hep-ex2019★ 2 cited

Measurements of $C P$ asymmetries in charmless four-body $Λ_{b}$ and $Ξ_{b}^{0}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +841

A search for $C P$ violation in charmless four-body decays of $Λ_{b}$ and $Ξ_{b}^{0}$ baryons with a proton and three charged mesons in the final state is performed. To cancel out product…

hep-ex2019★ 114 cited

Measurement of b-hadron fractions in 13 TeV pp collisions

LHCb Collaboration, R. Aaij, C. Abellán Beteta +843

The production fractions of $B_{s}^{0}$ and $Λ_{b}^{0}$ hadrons, normalized to the sum of $B^{-}$ and $B^{0}$ fractions, are measured in 13 TeV pp collisions using data c…

Search for CP violation and observation of P violation in Λb0​→pπ−π+π− decays

Search for the lepton-flavour violating decays B+→K+μ±e∓

Measurement of CP violation in the Bs0​→ϕϕ decay and search for the B0→ϕϕ decay

Observation of the Λb0​→χc1​(3872)pK− decay

Observation of a narrow pentaquark state, Pc​(4312)+, and of two-peak structure of the Pc​(4450)+

Amplitude analysis of B±→π±K+K− decays

Search for the lepton-flavour-violating decays Bs0​→τ±μ∓ and B0→τ±μ∓

Measurement of charged hadron production in Z-tagged jets in proton-proton collisions at s​=8 TeV

First observation of the radiative decay Λb0​→Λγ

Observation of CP violation in charm decays

Measurements of CP asymmetries in charmless four-body Λb​ and Ξb0​ decays