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Olivier Schneider

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Related publications (1,123)

Study of the K+ pi(+) pi(-) final state in B+ -> J/psi K+ pi(+) pi(-) and B+ -> psi ' K+ pi(+) pi(-)

Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura, Ji Hyun Kim, Jing Li

Using 535 X 10(6) B-meson pairs collected by the Belle detector at the KEKB e(+)e(-) collider, we measure branching fractions of (7.16 +/- 0.10(stat) +/- 0.60(syst) X 10(-4) for B+ -> J/psi K+ pi(+) pi(-) and (4.31 +/- 0.20(stat) +/- 0.50(syst)) X 10(-4) f ...

American Physical Society2011

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

Christophe Salzmann, Christoph Frei, Peter Clarke, Aurelio Bay, Minh Tâm Tran, Marc-Olivier Bettler, Cédric Potterat, Neal Gauvin, Géraldine Conti, Christophe Bauer, Joël Bressieux, Johan Luisier, Tatsuya Nakada, Guido Haefeli, Niko Neufeld, Mathias Oleg Knecht, Olivier Schneider, Pierre Jaton, Hans Dijkstra, Julien Rouvinet, Frédéric Guillaume Dupertuis, Frédéric Teubert, Gerhard Raven, Anne Keune, Frédéric Blanc, Matthew Needham, Raluca Anca Muresan, Barinjaka Rakotomiaramanana, Greig Alan Cowan, Jessica Prisciandaro, Vladislav Balagura, Albert Puig Navarro, Mark Tobin, Victor Coco, Plamen Hristov Hopchev, Jian Wang, Yi Zhang, Lei Zhang, Michel De Cian, Wenyu Zhang, Yiming Li,

Search for lepton-flavor-violating tau decays into a lepton and a vector meson

Aurelio Bay, Remi Léandre Albert Louvot, Olivier Schneider, Chao Wang, Vladislav Balagura, Yiming Li

We search for lepton-flavor-violating tau -> lV(0) decays, where l is an electron or muon and V-0 is one of the vector mesons rho(0), phi, omega, K*(0) and (K) over bar*(0). We use 854 fb(-1) of data collected with the Belle detector at the KEKB asymmetric ...

2011

Study of the decays B -> Ds1(2536)(+) (D)over-bar(()*())

Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura, Ji Hyun Kim, Jing Li

We report a study of the decays B -> D-s1(2536)+ (D) over bar (()()), where (D) over bar (()()) is (D) over bar (0), D- or D*(-), using a sample of 657 x 10(6)B (B) over bar pairs collected at the Y(4S) resonance with the Belle detector at the KEKB asymm ...

American Physical Society2011

Evidence for the Suppressed Decay B- -> DK-, D -> K+pi-

Jean Wicht, Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Chao Wang, Vladislav Balagura, Jing Li

The suppressed decay chain B- -> DK-, D -> K+pi(-), where D indicates a (D) over bar (0) or D-0 state, provides important information on the CP-violating angle phi(3). We measure the ratio R-DK of the decay rates to the favored mode B- -> DK-, D -> K+pi(-) ...

2011

Observation of B-s(0) -> J/psi f(0)(980) and Evidence for B-s(0) -> J/psi f(0)(1370)

Jean Wicht, Remi Léandre Albert Louvot, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura, Jing Li

We report the observation of B-s(0) -> J/psi f(0(980)) and evidence for B-s(0) -> J/psi f(0)(1370), which are CP eignstate decay modes. These results are obtained from 121.4 fb(-1) of data collected at the Y(5S) resonance with the Belle detector at the KEK ...

2011

Measurement of CP violating asymmetries in B0 -> K+ K- KS0 decays with a time-dependent Dalitz approach

Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Chao Wang, Vladislav Balagura, Ji Hyun Kim, Xiao Wang

We report a measurement of CP violating asymmetries in B-0 ((B-0) over bar) -> (K+K-KS0) decays with a time-dependent Dalitz approach. This analysis is based on a data sample of 657 x 10(6) B (B) over bar pairs accumulated at the Y(4S) resonance with the B ...

American Physical Society2010

The LHCb VELO analogue transmission line

Jérémie Borel, Aurelio Bay, Guido Haefeli, Laurent Locatelli, Olivier Schneider, Reto Frei

The Vertex Locator is one of the most important sub-detectors of the LHCb experiment, which is devoted to B physics. The signals from the silicon strip sensors are multiplexed at 40 MHz and transported by 60 m copper lines to the counting stations placed i ...

2010

Evidence for B- -> tau(-)(nu)over-bar(tau) with a semileptonic tagging method

Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Ji Hyun Kim, Jing Li

We present a measurement of the decay B- -> tau(-)(nu) over bar (tau) using a data sample containing 657 x 10(6) B (B) over bar pairs collected at the gamma(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. A sample of ...

American Physical Society2010

Measurement of the branching fractions for B0→Ds+π - and B0→Ds-K+ decays

Aurelio Bay, Remi Léandre Albert Louvot, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura, Ji Hyun Kim, Xiao Wang, Jing Li

We present a study of B0→Ds*+π- and B0→Ds*-K+ decays based on a sample of 657×106 BB̄ events collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the branching fractions to be B(B0→Ds*+π-)=(1.75±0.34(stat)±0.17(syst) ±0 ...

American Physical Society2010

Measurement of Υ(5S) decays to B^{0} and B^{+} mesons

Jean Wicht, Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Mingkui Wang, Vladislav Balagura, Jing Li

Decays of the Gamma(5S) resonance to channels with B+ and B-0 mesons are studied using a 23.6 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+) e(-) collider. Fully reconstructed B+ -> J/psi K+, B-0 -> J/psi K-*0, B+ - ...

American Physical Society2010

Evidence for direct CP violation in the decay B^{±}→D^{(}*^{)}K^{±}, D→K_{S}^{0}π^{+}π^{-} and measurement of the CKM phase ϕ_{3}

Aurelio Bay, Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura, Jian Wang, Ji Hyun Kim, Xiao Wang, Jing Li

We present a new measurement of the unitarity triangle angle phi(3) using a Dalitz plot analysis of the K-S(0)pi(+)pi(-) decay of the neutral D meson produced in B-+/- -> D-(*()) K-+/- decays. The method exploits the interference between D-0 and (D) over b ...

American Physical Society2010

Flavor physics in the quark sector

Olivier Schneider, Anton Petrov

In the past decade, one of the major challenges of particle physics has been to gain an in-depth understanding of the role of quark flavor. In this time frame, measurements and the theoretical interpretation of their results have advanced tremendously. A m ...

2010

Measurement of |Vub| from inclusive charmless semileptonic B decays

Remi Léandre Albert Louvot, Olivier Schneider, Sun Hee Kim, Mingkui Wang, Chao Wang, Ji Hyun Kim, Jing Li

We present the partial branching fraction for inclusive charmless semileptonic B decays and the corresponding value of the Cabibbo-Kobayashi- Maskawa matrix element |Vub|, using a multivariate analysis method to access ∼90% of the B→Xu ν phase space. This ...

2010

Search for CP Violation in the Decays D_{(s)}^{+}→K_{S}^{0}π^{+} and D_{(s)}^{+}→K_{S}^{0}K^{+}

Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura, Jing Li

We have searched for CP violation in the charmed meson decays D-(s)(+) -> K-S(0)pi(+) and D-(s)(+) -> K-S(0) K+ ...

2010

Search for CP-violating charge asymmetry in B-+/- -> J/psi K-+/- decays

Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura, Ji Hyun Kim, Jing Li

We present the result of a search for charge asymmetry in B-+/- -> J/psi K-+/- decays using 772 X 10(6) B (B) over bar pairs collected at the Y(4S) resonance by the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The CP-violating charge asy ...

American Physical Society2010

Search for B-s(0) -> hh decays at the Y(5S) resonance

Jean Wicht, Remi Léandre Albert Louvot, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Chao Wang, Vladislav Balagura, Ji Hyun Kim, Jing Li

We have searched for B-s(0) --> hh decays, where h stands for a charged or neutral kaon, or a charged pion. These results are based on a 23: 6 fb(-1) data sample collected with the Belle detector on the Y(5S) resonance at the KEKB asymmetric-energy e(+)e(- ...

American Physical Society2010

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

Christophe Salzmann, Christoph Frei, Peter Clarke, Aurelio Bay, Minh Tâm Tran, Marc-Olivier Bettler, Louis Nicolas, Cédric Potterat, Neal Gauvin, Géraldine Conti, Christophe Bauer, Joël Bressieux, Vincent Fave, Johan Luisier, Tatsuya Nakada, Guido Haefeli, Niko Neufeld, Mathias Oleg Knecht, Olivier Schneider, Pierre Jaton, Hans Dijkstra, Julien Rouvinet, Frédéric Guillaume Dupertuis, Frédéric Teubert, Gerhard Raven, Anne Keune, Frédéric Blanc, Matthew Needham, Raluca Anca Muresan, Barinjaka Rakotomiaramanana, Greig Alan Cowan, Andreas Alexander Maier, Vladislav Balagura, Albert Puig Navarro, Mark Tobin, Victor Coco, Jian Wang, Yi Zhang, Lei Zhang, Michel De Cian, Yiming Li, Giovanni Carboni

Observation of Bs0 -> Ds()+ Ds()- using e+e- collisions and a determination of the Bs-Bsbar width difference Delta Gamma_s

Jean Wicht, Aurelio Bay, Remi Léandre Albert Louvot, Olivier Schneider, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura, Ji Hyun Kim

We have made the first observation of B-s(0) -> D-s(()()+) D-s(()()-) decays using 23.6 fb(-1) of data recorded by the Belle experiment running on the Y(5S) resonance. The branching fractions are measured to be B(B-s(0) -> Ds+Ds-) = (1.03(-0.32-0.25)(+0. ...

2010

LHCb Silicon Tracker DAQ and ECS Online Systems

Christophe Salzmann, Aurelio Bay, Minh Tâm Tran, Aurélie Perrin, Marc-Olivier Bettler, Louis Nicolas, Cédric Potterat, Géraldine Conti, Christophe Bauer, Vincent Fave, Johan Luisier, Tatsuya Nakada, Guido Haefeli, Mathias Oleg Knecht, Olivier Schneider, Anne Keune, Frédéric Blanc, Matthew Needham, Raluca Anca Muresan, Reto Frei, Mark Tobin

The LHCb experiment at CERN is designed to perform precision measurements of b quark decays. The Silicon Tracker plays a crucial role in reconstructing particle trajectories and consists of two silicon micro-strip detectors, the Tracker Turicensis and the ...

2010

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Giovanni Carboni

The cross-section for inclusive phi meson production in pp collisions at a centre-of-mass energy of root s = 7 TeV has been measured with the LHCb detector at the Large Hadron Collider. The differential cross-section is measured as a function of the phi tr ...

2011

Decays of b hadrons into final states containing a D-0 meson and a muon are used to measure the b (b) over bar; production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. In the pseudorapidity interval 2 < eta < 6 ...

2010