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Vladislav Balagura

Cette personne n’est plus à l’EPFL

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Publications associées (510)

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

Study of B-+/- -> K-+/-(KSK pi)(0) decay and determination of eta(c) and eta(c)(2S) parameters

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

We report the results of a study of B KIrk and /II K tic(2S) decays followed by qc and '/c(2S) decays to (K5K7). The results are obtained from a data sample containing 535 million BB-meson pairs collected by the Belle experiment at the KEKB e+e- collider. ...

2011

Determination of f(s)/f(d) for 7 TeV pp Collisions and Measurement of the B-0 -> D-K+ Branching Fraction

Christophe Salzmann, Christoph Frei, Peter Clarke, Aurelio Bay, Minh Tâm Tran, Marc-Olivier Bettler, 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, Luis Alberto Granado Cardoso, Greig Alan Cowan, Andreas Alexander Maier, Vladislav Balagura, Albert Puig Navarro, Mark Tobin, Victor Coco, Plamen Hristov Hopchev, Jian Wang, Yi Zhang, Lei Zhang, Michel De Cian, , ,

Measurements of time-dependent CP asymmetries in B -> D*-+ pi+- decays using a partial reconstruction technique

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

We report results on time-dependent CP asymmetries in B -> D*(-/+)pi(+/-) decays based on a data sample containing 657 x 10(6) B (B) over bar pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider at the Y(4S) resonance. We ...

American Physical Society2011

Measurement of V0 production ratios in pp collisions at sqrt(s)=0.9 and 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, 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, 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, ,

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

First observation of the decay (B)over-bar(S)(0) -> (DK)-K-0(0) and a measurement of the ratio of branching fractions B((B)over-bar(S)(0)->(DK)-K-0(0))/B((B)over-bar(0)-> D-0 rho(0))

Christophe Salzmann, Christoph Frei, Peter Clarke, Aurelio Bay, Minh Tâm Tran, Marc-Olivier Bettler, 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, Jessica Prisciandaro, Vladislav Balagura, Albert Puig Navarro, Mark Tobin, Victor Coco, Plamen Hristov Hopchev, Jian Wang, Yi Zhang, Lei Zhang, Michel De Cian, ,

Measurement of e(+)e(-) -> Ds()+Ds()- cross sections near threshold using initial-state radiation

Aurelio Bay, Remi Léandre Albert Louvot, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Vladislav Balagura

We report a measurement of exclusive e(+)e(-) -> Ds()+Ds()- cross sections as a function of center-of-mass energy near the Ds()+Ds()- threshold with initial-state radiation. The analysis is based on a data sample collected with the Belle detector with ...

American Physical Society2011

Search for CP violation in D+ -> K- K+ pi(+) decays

Christophe Salzmann, Christoph Frei, Peter Clarke, Aurelio Bay, Minh Tâm Tran, Marc-Olivier Bettler, 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, 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, Giovanni Carboni

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 the rare decays Bs0 -> mu+mu- and B0 -> mu+mu-

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, Andreas Alexander Maier, 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, Giovanni Carboni

Search for CP Violation in tau(+/-) -> K-S(0)pi(+/-)nu(tau) Decays at Belle

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

We report on a search for CP violation in tau(+/-) -> K-S(0)pi(+/-)nu(tau) decays using a data sample of 699 fb(-1) collected by the Belle experiment at the KEKB electron-positron asymmetric-energy collider. The CP asymmetry is measured in four bins of the ...

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

Study of the B→X(3872)(→D*0D̄0)K decay

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

We present a study of B→X(3872)K with X(3872) decaying to D0D̄0 using a sample of 657×106 BB̄ pairs recorded at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. Both D0→D0γ and D*0→D0π0 decay modes are used. We fin ...

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

Measurements of branching fractions for B^{0}→D_{s}^{+}π^{-} and B[over ¯]^{0}→D_{s}^{+}K^{-}

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

We present improved measurements of the branching fractions for the decays B-0 -> D-s(+) pi(-) and (B) over bar (0) -> D-s(+) K- using a data sample of 657 X 10(6) B (B) over bar events collected at the Y(4S) resonance with the Belle detector at the KEKB a ...

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

First Measurement of Inclusive B -> X-s eta Decays

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

We report a first measurement of inclusive B -> X-s eta decays, where X-s is a charmless state with unit strangeness. The measurement is based on a pseudoinclusive reconstruction technique and uses a sample of 657 x 10(6)B (B) over bar pairs accumulated wi ...

2010

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

Search for B^{0}→K^{0}K[over ¯]^{0}, B^{0}→K^{0}K^{0} and B^{0}→K^{+}π^{-}K^{∓}π^{±} decays

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

We report a search for the decays B-0 -> K*(0)(K) over bar*(0) and B-0 -> KK-0(0) . We also measure other charmless decay modes with K+ pi K--(-)pi(+) and K+pi K--(+)pi(-) final states. The results are obtained from a data sample containing 657 x 10(6) B ...

American Physical Society2010

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Wenyu Zhang

Yiming Li

Giovanni Carboni

The relative abundance of the three decay modes B-0 -> D-K+, B-0 -> D-pi(+), and B-s(0) -> D-s(-)pi(+) produced in 7 TeV pp collisions at the LHC is determined from data corresponding to an integrated luminosity of 35 pb(-1). The branching fraction of B-0 ...

2011

Yiming Li

Giovanni Carboni

The (Lambda) over bar/Lambda and (Lambda) over bar /K-S(0) production ratios are measured by the LHCb detector from 0.3 nb(-1) of pp collisions delivered by the LHC at root s = 0.9TeV and 1.8 nb-1 at root s = 7TeV. Both ratios are presented as a function o ...

Springer Nature2011

Wenyu Zhang

Giovanni Carboni

The first observation of the decay (B) over bar (0)(S) -> (DK)-K-0*(0) using pp data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 36 pb(-1), is reported. A signal of 34.4 +/- 6.8 events is ...

2011

A model-independent search for direct CP violation in the Cabibbo-suppressed decay D+ -> K- K+ pi(+) in a sample of approximately 370 000 decays is carried out. The data were collected by the LHCb experiment in 2010 and correspond to an integrated luminosi ...

American Physical Society2011

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

A search for the decays Bs0 -> mu(+)mu(-) and B0 -> mu(+)mu(-) is performed with about 37 pb(-1) of pp collisions at root s = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The observed numbers of events are consistent with th ...

2011