J. Albrecht

activity

20122026

most citedThe LHCb Trigger and its Performance in 2011

629 citations · 2.2k across the 23 of their papers we have counts for

collaborators

Showing 2013Show all

9 papers · 1 filter

hep-ex2013★ 2 cited

Charged Leptons

J. Albrecht, M. Artuso, K. Babu +34

This is the report of the Intensity Frontier Charged Lepton Working Group of the 2013 Community Summer Study "Snowmass on the Mississippi", summarizing the current status and futur…

hep-ex2013★ 153 cited

Measurement of $J / ψ$ polarization in $pp$ collisions at $s = 7$ TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +627

An angular analysis of the decay $J / ψ \to μ^{+} μ^{-}$ is performed to measure the polarization of prompt $J / ψ$ mesons produced in $pp$ collisions at $\sqrt{s}=7\; \mathrm{T…

hep-ex2013★ 37 cited

Measurement of the polarisation amplitudes in B0 -> J/psi K*(892)0 decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +632

An analysis of the decay B0 -> J/psi K*(892)0 is presented using data, corresponding to an integrated luminosity of 1.0fb^-1, collected in pp collisions at a centre-of-mass energy…

hep-ex2013★ 77 cited

Measurement of B meson production cross-sections in proton-proton collisions at sqrt(s)= 7 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +625

The production cross-sections of B mesons are measured in pp collisions at a centre-of-mass energy of 7 TeV, using data collected with the LHCb detector corresponding to a integrat…

hep-ex2013★ 20 cited

Measurement of the effective B_s^0 -> J/ψ K_S^0 lifetime

LHCb collaboration, R. Aaij, C. Abellan Beteta +630

This paper reports the first measurement of the effective B_s^0 -> J/ψ K_S^0 lifetime and an updated measurement of its time-integrated branching fraction. Both measurements are pe…

hep-ex2013★ 58 cited

Measurement of the CKM angle gamma from a combination of B->Dh analyses

LHCb collaboration, R. Aaij, C. Abellan Beteta +633

A combination of three LHCb measurements of the CKM angle gamma is presented. The decays B->DK and B->Dpi are used, where D denotes an admixture of D0 and D0-bar mesons, decaying i…

hep-ex2013★ 96 cited

Precision measurement of the $B_{s}^{0}$ - $B ˉ_{s}^{0}$ oscillation frequency with the decay $B^{0}_{s}\rightarrowD^{-}_{s}π^{+}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +622

A key ingredient to searches for physics beyond the Standard Model in $B_{s}^{0}$ mixing phenomena is the measurement of the $B_{s}^{0}$ - $B ˉ_{s}^{0}$ oscillation frequency, wh…

hep-ex2013★ 27 cited

Observations of $B_{s}^{0} \to ψ (2 S) η$ and $B_{(s)}^{0} \to ψ (2 S) π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +620

First observations of the $B_{s}^{0} \to ψ (2 S) η$ , $B^{0} \to ψ (2 S) π^{+} π^{-}$ and $B_{s}^{0} \to ψ (2 S) π^{+} π^{-}$ decays are made using a dataset corresponding to an int…

hep-ex2013★ 415 cited

Determination of the X(3872) meson quantum numbers

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

The quantum numbers of the X(3872) meson are determined to be JPC = 1++ based on angular correlations in B+ to X(3872) K+ decays, where X(3872) to pi+pi- J/psi and J/psi to μ+μ-. T…