J. Albrecht

activity

20102013

J / ψ

and

ψ (2 S)

production in

pp

collisions at

s = 7

TeV

136 citations · 589 across the 14 of their papers we have counts for

collaborators

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14 papers · 1 filter

hep-ex2013★ 86 cited

Analysis of the resonant components in B0->J/ψpi+pi-

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

Interpretation of CP violation measurements using charmonium decays, in both the B0 and Bs systems, can be subject to changes due to "penguin" type diagrams. These effects can be i…

hep-ex2013★ 10 cited

Search for the decay Bs -> D*-+ π+-

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

A search for the decay Bs -> D*-+ π+- is presented using a data sample corresponding to an integrated luminosity of 1.0 fb-1 of pp collisions collected by LHCb. This decay is expec…

hep-ex2013★ 136 cited

Exclusive $J / ψ$ and $ψ (2 S)$ production in $pp$ collisions at $s = 7$ TeV

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

Exclusive $J / ψ$ and $ψ (2 S)$ vector meson production has been observed in the dimuon channel using the LHCb detector. The cross-section times branching fractions to two muons with p…

hep-ex2013★ 106 cited

Measurement of the cross-section for Z->e+e- production in pp collisions at sqrt{s}=7TeV

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

A measurement of the cross-section for pp->Z->e+e- is presented using data at sqrt{s}=7TeV corresponding to an integrated luminosity of 0.94 fb^{-1}. The process is measured within…

hep-ex2012★ 11 cited

First observation of the decays $B ˉ_{(s)}^{0} \to D_{s}^{+} K^{-} π^{+} π^{-}$ and $B ˉ_{s}^{0} \to D_{s 1} (2536)^{+} π^{-}$

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

The first observation of the decays $B ˉ_{s}^{0} \to D_{s}^{+} K^{-} π^{+} π^{-}$ and $B ˉ^{0} \to D_{s}^{+} K^{-} π^{+} π^{-}$ are reported using an integrated luminosity of 1.0 fb $^{- 1}$ recorded by the…

hep-ex2012★ 17 cited

A study of the $Z$ production cross-section in $pp$ collisions at $s = 7$ TeV using tau final states

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

A measurement of the inclusive $Z \to τ τ$ cross-section in $pp$ collisions at $s = 7$ TeV is presented based on a dataset of 1.0 fb $^{- 1}$ collected by the LHCb detector. Ca…

hep-ex2012★ 42 cited

A model-independent Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} h^{+} h^{-}$ ( $h = π, K$ ) decays and constraints on the CKM angle $γ$

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

A binned Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ decays, with $D \to K_{S}^{0} π^{+} π^{-}$ and $D \to K_{S}^{0} K^{+} K^{-}$ , is performed to measure the CP-violating observables $…

hep-ex2012★ 46 cited

First observation of the decay $B^{+} \to π^{+} μ^{+} μ^{-}$

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

A discovery of the rare decay $B^{+} \to π^{+} μ^{+} μ^{-}$ is presented. This decay is observed for the first time, with 5.2 $σ$ significance. The observation is made usin…

hep-ex2012★ 22 cited

Search for the rare decay KS -> mu+ mu-

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

A search for the decay KS -> mu+ mu- is performed, based on a data sample of 1.0 fb^-1 of pp collisions at \sqrt{s}=7 TeV collected by the LHCb experiment at the Large Hadron Colli…

hep-ex2012★ 28 cited

Measurement of the fraction of \Y1S originating from \chib1P decays in $pp$ collisions at $\sqrt{s} = 7\tev$

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

The production of \chib1P mesons in $pp$ collisions at a centre-of-mass energy of $7\tev$ is studied using $32\invpb$ of data collected with the \lhcb detector. The $\chib1P$ meson…

hep-ex2012★ 31 cited

Observation of the decay B0 -> D0bar K+ K- and evidence for Bs -> D0bar K+ K-

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

The first observation of the decay B0 -> D0bar K+ K- is reported from an analysis of 0.62 fb-1 of pp collision data collected with the LHCb detector. Its branching fraction is meas…

hep-ex2012★ 26 cited

Measurement of the $B_{s}^{0} \to J / ψ K^{* 0}$ branching fraction and angular amplitudes

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

A search for the decay $B_{s}^{0} \to J / ψ K^{* 0}$ with $K^{* 0} \to K^{-} π^{+}$ is performed with 0.37 fb $^{- 1}$ of $pp$ collisions at $s$ = 7 TeV collected by the LHCb…

hep-ex2012★ 9 cited

Brief review of the searches for the rare decays $B_{s}^{0} \to μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-}$

Johannes Albrecht

The current experimental status of the searches for the very rare decays $B_{s}^{0} \to μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-}$ is discussed. These channels are highly sensitive…

hep-ex2010★ 19 cited

A Search for the Decay B^0 -> gamma gamma

The BABAR Collaboration, P. del Amo Sanchez et al

We report the result of a search for the rare decay B^0 -> gamma gamma in 426 fb-1 of data, corresponding to 226 million B^0 \bar{B}^0 pairs, collected on the Upsilon(4S) resonance…

Analysis of the resonant components in B0->J/ψpi+pi-

Search for the decay Bs -> D*-+ π+-

Exclusive J/ψ and ψ(2S) production in pp collisions at s​=7 TeV

Measurement of the cross-section for Z->e+e- production in pp collisions at sqrt{s}=7TeV

First observation of the decays Bˉ(s)0​→Ds+​K−π+π− and Bˉs0​→Ds1​(2536)+π−

A study of the Z production cross-section in pp collisions at s​=7 TeV using tau final states

A model-independent Dalitz plot analysis of B±→DK± with D→KS0​h+h− (h=π,K) decays and constraints on the CKM angle γ

First observation of the decay B+→π+μ+μ−

Search for the rare decay KS -> mu+ mu-

Measurement of the fraction of \Y1S originating from \chib1P decays in pp collisions at $\sqrt{s} = 7\tev$

Observation of the decay B0 -> D0bar K+ K- and evidence for Bs -> D0bar K+ K-

Measurement of the Bs0​→J/ψK∗0 branching fraction and angular amplitudes

Brief review of the searches for the rare decays Bs0​→μ+μ− and B0→μ+μ−

A Search for the Decay B^0 -> gamma gamma

Exclusive $J / ψ$ and $ψ (2 S)$ production in $pp$ collisions at $s = 7$ TeV

First observation of the decays $B ˉ_{(s)}^{0} \to D_{s}^{+} K^{-} π^{+} π^{-}$ and $B ˉ_{s}^{0} \to D_{s 1} (2536)^{+} π^{-}$

A study of the $Z$ production cross-section in $pp$ collisions at $s = 7$ TeV using tau final states

A model-independent Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} h^{+} h^{-}$ ( $h = π, K$ ) decays and constraints on the CKM angle $γ$

First observation of the decay $B^{+} \to π^{+} μ^{+} μ^{-}$

Measurement of the fraction of \Y1S originating from \chib1P decays in $pp$ collisions at $\sqrt{s} = 7\tev$

Measurement of the $B_{s}^{0} \to J / ψ K^{* 0}$ branching fraction and angular amplitudes

Brief review of the searches for the rare decays $B_{s}^{0} \to μ^{+} μ^{-}$ and $B^{0} \to μ^{+} μ^{-}$