A. Torreira

activity

20092026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations · 21.3k across the 492 of their papers we have counts for

collaborators

Showing 2012Show all

10 papers · 1 filter

hep-ex2012★ 26 cited

Measurement of the forward energy flow in pp collisions at sqrt(s)=7 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +628

The energy flow created in pp collisions at sqrt(s)=7 TeV is studied within the pseudorapidity range 1.9<eta<4.9 with data collected by the LHCb experiment. The measurements are pe…

hep-ex2012★ 62 cited

First observation of the decay $B_{s 2}^{} (5840)^{0} \to B^{+} K^{-}$ and studies of excited $B_{s}$ mesons

LHCb collaboration, R. Aaij, C. Abellan Beteta +621

Properties of the orbitally excited (L=1) $B_{s}$ states are studied using 1.0 fb $^{- 1}$ of pp collisions at $s = 7$ TeV collected with the LHCb detector. The first observation…

hep-ex2012★ 91 cited

Observation of D0-D0bar oscillations

LHCb collaboration, R. Aaij, C. Abellan Beteta +616

We report a measurement of the time-dependent ratio of D0->K+pi- to D0->K-pi+ decay rates in D*+-tagged events using 1.0 fb^{-1} of integrated luminosity recorded by the LHCb exper…

hep-ex2012★ 93 cited

Measurements of $B_{c}^{+}$ production and mass with the $B_{c}^{+} \to J / ψ π^{+}$ decay

LHCb collaboration, R. Aaij, C. Abellan Beteta +617

Measurements of $B_{c}^{+}$ production and mass are performed with the decay mode $B_{c}^{+} \to J / ψ π^{+}$ using 0.37 fb $^{- 1}$ of data collected in $pp$ collisions at $s = 7$ TeV by th…

hep-ex2012★ 41 cited

Measurement of prompt hadron production ratios in $pp$ collisions at $s =$ 0.9 and 7 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +619

The charged-particle production ratios $p ˉ / p$ , $K^{-} / K^{+}$ , $π^{-} / π^{+}$ , $(p + p ˉ) / (π^{+} + π^{-})$ , $(K^{+} + K^{-}) / (π^{+} + π^{-})$ and $(p + p ˉ) / (K^{+} + K^{-})$ are measured with t…

hep-ex2012★ 78 cited

Measurement of $b$ -hadron branching fractions for two-body decays into charmless charged hadrons

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

Based on data corresponding to an integrated luminosity of 0.37 fb^-1 collected by the LHCb experiment in 2011, the following ratios of branching fractions are measured: B(B0 -> pi…

hep-ex2012★ 123 cited

Inclusive $W$ and $Z$ production in the forward region at $s = 7$ TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +606

Measurements of inclusive $W$ and $Z$ boson production cross-sections in $pp$ collisions at $s = 7$ TeV using final states containing muons are presented. The data sample corr…

hep-ex2012★ 47 cited

Measurement of the B+- production cross-section in pp collisions at sqrt(s)=7 TeV

The LHCb Collaboration, R. Aaij, C. Abellan Beteta +594

The production of B+- mesons in proton-proton collisions at sqrt(s)=7 TeV is studied using 35 pb-1 of data collected by the LHCb detector. The B+- mesons are reconstructed exclusiv…

hep-ex2012★ 63 cited

First evidence of direct CP violation in charmless two-body decays of Bs mesons

LHCb collaboration, R. Aaij, C. Abellan Beteta +591

Using a data sample corresponding to an integrated luminosity of 0.35 $fb^{- 1}$ collected by LHCb in 2011, we report the first evidence of CP violation in the decays of $B…

hep-ex2012★ 36 cited

Search for the rare decays Bs -> mu+ mu- and B0 -> mu+ mu-

LHCb Collaboration, R. Aaij, C. Abellan Beteta +590

A search for the decays Bs -> mu+ mu- and B0 -> mu+ mu- is performed with 0.37 fb^-1 of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment in 2011. The upper limits…

Measurement of the forward energy flow in pp collisions at sqrt(s)=7 TeV

First observation of the decay Bs2∗​(5840)0→B∗+K− and studies of excited Bs​ mesons

Observation of D0-D0bar oscillations

Measurements of Bc+​ production and mass with the Bc+​→J/ψπ+ decay

Measurement of prompt hadron production ratios in pp collisions at s​= 0.9 and 7 TeV

Measurement of b-hadron branching fractions for two-body decays into charmless charged hadrons

Inclusive W and Z production in the forward region at s​=7 TeV