A. Martín Sánchez

activity

20112024

most citedTest of lepton universality using

B^{+} \to K^{+} ℓ^{+} ℓ^{-}

decays

952 citations · 4.6k across the 62 of their papers we have counts for

collaborators

Showing 2011Show all

10 papers · 1 filter

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★ 68 cited

Measurement of the B^0_s - \bar{B}^0_s oscillation frequency Delta m_s in B^0_s -> D_s^-(3) pi decays

LHCb Collaboration, R. Aaij, C. Abellan Beteta +579

The B^0_s-\bar{B}^0_s oscillation frequency Delta m_s is measured with 36 pb^{-1} of data collected in pp collisions at \sqrt{s} = 7 TeV by the LHCb experiment at the Large Hadron…

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★ 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★ 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★ 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★ 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 b-hadron masses

Measurement of the B^0_s - \bar{B}^0_s oscillation frequency Delta m_s in B^0_s -> D_s^-(3) pi decays

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

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

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

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