S. A. Wotton

activity

20012026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 25k across the 497 of their papers we have counts for

collaborators

Showing 2011Show all

19 papers · 1 filter

hep-ex2011★ 42 cited

Measurement of mixing and CP violation parameters in two-body charm decays

LHCb Collaboration, R. Aaij, C. Abellan Beteta +585

A study of mixing and indirect CP violation in D0 mesons through the determination of the parameters y_CP and A_Γ is presented. The parameter y_CP is the deviation from unity of th…

hep-ex2011★ 53 cited

Measurement of charged particle multiplicities in $pp$ collisions at $s = 7$ TeV in the forward region

LHCb Collaboration, R. Aaij, C. Abellan Beteta +589

The charged particle production in proton-proton collisions is studied with the LHCb detector at a centre-of-mass energy of $s = 7$ TeV in different intervals of pseudorapid…

hep-ex2011★ 73 cited

Measurement of b-hadron masses

LHCb Collaboration, R. Aaij, C. Abellan Beteta +583

Measurements of b-hadron masses are performed with the exclusive decay modes B+ -> J/psi K+, B0 -> J/psi K*0, B0 -> J/psi K0S, B0_s -> J/psi phi and Lambda_b -> J/psi Lambda using…

hep-ex2011★ 20 cited

Observation of Bs -> J/ψf'2(1525) in J/ψK+K- final states

LHCb Collaboration, R. Aaij, C. Abellan Beteta +583

The decay Bs -> J/ψK+ K- is investigated using 0.16/fb of data collected with the LHCb detector using 7 TeV pp collisions. Although the J/ψϕ channel is well known, final states at…

hep-ex2011★ 90 cited

Differential branching fraction and angular analysis of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

LHCb Collaboration, R. Aaij, C. Abellan Beteta +585

The angular distributions and the partial branching fraction of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$ are studied using an integrated luminosity of $0.37 f b^{- 1}$ of data c…

hep-ex2011★ 133 cited

Measurement of the CP-violating phase phi_s in the decay Bs->J/psi phi

LHCb Collaboration, R. Aaij, C. Abellan Beteta +585

We present a measurement of the time-dependent CP-violating asymmetry in B_s -> J/psi phi decays, using data collected with the LHCb detector at the LHC. The decay time distributio…

hep-ex2011★ 23 cited

First observation of the decay $B ˉ_{s}^{0} \to D^{0} K^{* 0}$ and a measurement of the ratio of branching fractions $\frac{B ( B ˉ _{s}^{0} \to D ^{0} K ^{* 0} )}{B ( B ˉ ^{0} \to D ^{0} ρ ^{0} )}$

LHCb Collaboration, R. Aaij, C. Abellan Beteta +578

The first observation of the decay $B ˉ_{s}^{0} \to D^{0} K^{* 0}$ using $pp$ data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated l…

hep-ex2011★ 212 cited

Measurement of b hadron production fractions in 7 TeV pp collisions

The LHCb Collaboration, R. Aaij, C. Abellan Beteta +587

Measurements of $b$ hadron production ratios in proton-proton collisions at a centre-of-mass energy of 7 TeV with an integrated luminosity of 3 pb $^{- 1}$ are presented. We study th…

hep-ex2011★ 22 cited

Measurement of the effective $B_{s}^{0} \to K^{+} K^{-}$ lifetime

LHCb Collaboration, R. Aaij, C. Abellan Beteta +586

A measurement of the effective $B_{s}^{0} \to K^{+} K^{-}$ lifetime is presented using approximately $37 p b^{- 1}$ of data collected by LHCb during 2010. This quantity can be used to…

hep-ex2011★ 33 cited

Search for CP violation in $D^{+} \to K^{-} K^{+} π^{+}$ decays

LHCb Collaboration, R. Aaij, B. Adeva +573

A model-independent search for direct CP violation in the Cabibbo suppressed decay $D^{+} \to K^{-} K^{+} π^{+}$ in a sample of approximately 370,000 decays is carried out. The data were co…

hep-ex2011★ 50 cited

Search for the lepton number violating decays $B^{+} \to π^{-} μ^{+} μ^{+}$ and $B^{+} \to K^{-} μ^{+} μ^{+}$

The LHCb Collaboration, R. Aaij, C. Abellan Beteta +578

A search is performed for the lepton number violating decay $B^{+} \to h^{-} μ^{+} μ^{+}$ , where $h^{-}$ represents a $K^{-}$ or a $π^{-}$ , using data from the LHCb detector corresponding to an…

hep-ex2011★ 35 cited

Measurements of the Branching fractions for $B_{(} s) - > D_{(} s) π π π$ and $Λ_{b}^{0} - > Λ_{c}^{+} π π π$

LHCb Collaboration, R. Aaij, B. Adeva +566

Branching fractions of the decays $H_{b} \to H_{c} π^{-} π^{+} π^{-}$ relative to $H_{b} \to H_{c} π^{-}$ are presented, where $H_{b}$ ( $H_{c}$ ) represents B^0-bar( $D^{+}$ ), $B^{-}$ ( $D^{0}$ ), B_s^0-bar ( $D_{s}^{+}$ )…

hep-ex2011★ 173 cited

Observation of $J / ψ$ pair production in pp collisions at $s = 7 T e V$

LHCb Collaboration, R. Aaij, B. Adeva +567

The production of $J / ψ$ pairs in proton-proton collisions at a centre-of-mass energy of 7 TeV has been observed using an integrated luminosity of $37.5 p b^{- 1}$ collected with the…

hep-ex2011★ 29 cited

Measurement of the inclusive phi cross-section in pp collisions at sqrt(s) = 7 TeV

LHCb Collaboration, R. Aaij, B. Adeva +551

The cross-section for inclusive phi meson production in pp collisions at a centre-of-mass energy of sqrt(s) = 7 TeV has been measured with the LHCb detector at the Large Hadron Col…

hep-ex2011★ 28 cited

Measurement of $V^{0}$ production ratios in $pp$ collisions at $s = 0.9$ and 7\,TeV

LHCb Collaboration, R. Aaij, B. Adeva +547

The $Λ ˉ /Λ$ and $Λ ˉ / K_{S}^{0}$ production ratios are measured by the LHCb detector from $0.3 nb^{- 1}$ of $pp$ collisions delivered by the LHC at $\sqrt{s} =…

hep-ex2011★ 45 cited

Determination of f_s/f_d for 7 TeV pp collisions and a measurement of the branching fraction of the decay Bd->D-K+

LHCb Collaboration, R. Aaij, B. Adeva +548

The relative abundance of the three decay modes $B_{d} \to D^{-} K^{+}$ , $B_{d} \to D^{-} π^{+}$ and $B_{s} \to D_{s}^{-} π^{+}$ produced in 7 TeV $pp$ collisions at the LHC is determined from data co…

hep-ex2011★ 90 cited

First observation of Bs -> J/psi f0(980) decays

The LHCb Collaboration, R. Aaij, B. Adeva +545

Using data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the hadronic decay Bs -> J/psi f0(980) is observed. This CP eigenstate…

hep-ex2011★ 57 cited

Search for the rare decays Bs -->mumu and Bd -->mumu

LHCb Collaboration, R. Aaij, B. Adeva +542

A search for the decays Bs-->mumu and Bd-->mumu is performed with about 37 pb^{-1} of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment at the Large Hadron Collider…

hep-ex2011★ 343 cited

Measurement of J/psi production in pp collisions at sqrt(s)=7 TeV

LHCb Collaboration, R. Aaij, B. Adeva +543

The production of J/psi mesons in proton-proton collisions at sqrt(s)=7 TeV is studied with the LHCb detector at the LHC. The differential cross-section for prompt J/psi production…

Measurement of mixing and CP violation parameters in two-body charm decays

Measurement of charged particle multiplicities in pp collisions at s​=7TeV in the forward region

Measurement of b-hadron masses

Observation of Bs -> J/ψf'2(1525) in J/ψK+K- final states

Differential branching fraction and angular analysis of the decay B0→K∗0μ+μ−

Measurement of the CP-violating phase phi_s in the decay Bs->J/psi phi

First observation of the decay Bˉs0​→D0K∗0 and a measurement of the ratio of branching fractions B(Bˉ0→D0ρ0)B(Bˉs0​→D0K∗0)​

Measurement of b hadron production fractions in 7 TeV pp collisions

Measurement of the effective Bs0​→K+K− lifetime

Search for CP violation in D+→K−K+π+ decays

Search for the lepton number violating decays B+→π−μ+μ+ and B+→K−μ+μ+

Measurements of the Branching fractions for B(​s)−>D(​s)πππ and Λb0​−>Λc+​πππ

Observation of J/ψ pair production in pp collisions at s​=7TeV

Measurement of the inclusive phi cross-section in pp collisions at sqrt(s) = 7 TeV

Measurement of V0 production ratios in pp collisions at s​=0.9 and 7\,TeV

Determination of f_s/f_d for 7 TeV pp collisions and a measurement of the branching fraction of the decay Bd->D-K+

First observation of Bs -> J/psi f0(980) decays

Search for the rare decays Bs -->mumu and Bd -->mumu

Measurement of J/psi production in pp collisions at sqrt(s)=7 TeV

Measurement of charged particle multiplicities in $pp$ collisions at $s = 7$ TeV in the forward region

Differential branching fraction and angular analysis of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

First observation of the decay $B ˉ_{s}^{0} \to D^{0} K^{* 0}$ and a measurement of the ratio of branching fractions $\frac{B ( B ˉ _{s}^{0} \to D ^{0} K ^{* 0} )}{B ( B ˉ ^{0} \to D ^{0} ρ ^{0} )}$

Measurement of the effective $B_{s}^{0} \to K^{+} K^{-}$ lifetime

Search for CP violation in $D^{+} \to K^{-} K^{+} π^{+}$ decays

Search for the lepton number violating decays $B^{+} \to π^{-} μ^{+} μ^{+}$ and $B^{+} \to K^{-} μ^{+} μ^{+}$

Measurements of the Branching fractions for $B_{(} s) - > D_{(} s) π π π$ and $Λ_{b}^{0} - > Λ_{c}^{+} π π π$

Observation of $J / ψ$ pair production in pp collisions at $s = 7 T e V$

Measurement of $V^{0}$ production ratios in $pp$ collisions at $s = 0.9$ and 7\,TeV