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Publications (21)

hep-ex2012

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

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

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

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

hep-ex2011

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

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-ex2012

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

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

The production of $J / I ¨ $ 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-ex2010

Measurement of sigma(pp -> b anti-b X) at \sqrt(s)=7 TeV in the forward region

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

Decays of b hadrons into final states containing a D0 meson and a muon are used to measure the b anti-b production cross-section in proton-proton collisions at a centre-of-mass ene…

hep-ex2012

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

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

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-ex2010

Prompt K_short production in pp collisions at sqrt(s)=0.9 TeV

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

The production of K_short mesons in pp collisions at a centre-of-mass energy of 0.9 TeV is studied with the LHCb detector at the Large Hadron Collider. The luminosity of the analys…

hep-ex2012

First observation of the decay $B^0_s \rightarrow K^{0} \bar{K]^{0}$

LHCb Collaboration, R. Aaij, C. Abellan Beteta +584

The first observation of the decay $\kstarkstar$ is reported using 35\invpb of data collected by LHCb in proton-proton collisions at a centre-of-mass energy of 7 TeV. A total of $4…

hep-ex2011

First observation of Bs -> D_{s2}^{*+} X mu nu decays

LHCb Collaboration, R. Aaij, B. Adeva +586

Using data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the semileptonic decays Bs -> Ds+ X mu nu and Bs -> D0 K+ X mu nu are d…

hep-ex2015

The Physics of the B Factories

A. J. Bevan, B. Golob, Th. Mannel +2003

This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…

hep-ex2011

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

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

The $I^ˉ / I^$ and $I^ˉ / K_{S}^{0}$ 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

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 $B_{d} \to D^{-} K^{+}$ , $B_{d} \to D^{-} I ¨ ^{+}$ and $B_{s} \to D_{s}^{-} I ¨ ^{+}$ produced in 7 TeV $pp$ collisions at the LHC is determined from data…

hep-ex2012

Search for the lepton number violating decays $B^{+} \to I ¨ ^{-} I^¼^{+} I^¼^{+}$ and $B^{+} \to K^{-} I^¼^{+} I^¼^{+}$

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

A search is performed for the lepton number violating decay $B^{+} \to h^{-} I^¼^{+} I^¼^{+}$ , where $h^{-}$ represents a $K^{-}$ or a $I ¨ ^{-}$ , using data from the LHCb detector corresponding to…

hep-ex2012

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

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

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

hep-ex2012

Absolute luminosity measurements with the LHCb detector at the LHC

The LHCb Collaboration, R. Aaij, B. Adeva +571

Absolute luminosity measurements are of general interest for colliding-beam experiments at storage rings. These measurements are necessary to determine the absolute cross-sections…

hep-ex2011

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

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

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

hep-ex2010

Roadmap for selected key measurements of LHCb

The LHCb Collaboration, B. Adeva, M. Adinolfi +509

Six of the key physics measurements that will be made by the LHCb experiment, concerning CP asymmetries and rare B decays, are discussed in detail. The "road map" towards the preci…

hep-ex2011

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…

hep-ex2012

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…

Publications (21)

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

Search for CP violation in D+→K−K+I¨+ decays

First observation of the decay Bˉs0​→D0K∗0 and a measurement of the ratio of branching fractions B(Bˉ0→D0I¨0)B(Bˉs0​→D0K∗0)​

Observation of J/I¨ pair production in pp collisions at s​=7TeV

Measurement of sigma(pp -> b anti-b X) at \sqrt(s)=7 TeV in the forward region

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

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

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

Prompt K_short production in pp collisions at sqrt(s)=0.9 TeV

First observation of the decay $B^0_s \rightarrow K^{*0} \bar{K]^{*0}$

First observation of Bs -> D_{s2}^{*+} X mu nu decays

The Physics of the B Factories

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+

Search for the lepton number violating decays B+→I¨−I^¼+I^¼+ and B+→K−I^¼+I^¼+

Observation of Bs -> J/Ïf'2(1525) in J/ÏK+K- final states

Absolute luminosity measurements with the LHCb detector at the LHC

Measurements of the Branching fractions for B(​s)−>D(​s)I¨I¨I¨ and I^b0​−>I^c+​I¨I¨I¨

Roadmap for selected key measurements of LHCb

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

Measurement of b hadron production fractions in 7 TeV pp collisions

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

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

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

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

First observation of the decay $B^0_s \rightarrow K^{0} \bar{K]^{0}$

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

Search for the lepton number violating decays $B^{+} \to I ¨ ^{-} I^¼^{+} I^¼^{+}$ and $B^{+} \to K^{-} I^¼^{+} I^¼^{+}$

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

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