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Remi Léandre Albert Louvot

Cette personne a quitté l’EPFL

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Publications associées (96)

Page 3 sur 5

Evidence for the eta(b)(2S) and Observation of h(b)(1P) -> eta(b)(1S)gamma and h(b)(2P) -> eta(b)(1S)gamma

Mingkui Wang, Olivier Schneider, Chao Wang, Aurelio Bay, Remi Léandre Albert Louvot

We report the first evidence for the eta(b)(2S) using the h(b)(2P) -> eta(b)(2S)gamma transition and the first observation of the h(b)(1P) -> eta(b)(1S)gamma and h(b)(2P) -> eta(b)(1S)gamma transitions. The mass and width of the eta(b)(1S) and eta(b)(2S) a ...

American Physical Society (APS)2012

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

Olivier Schneider, Chao Wang, Vladislav Balagura, Remi Léandre Albert Louvot

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

Search for lepton-flavor-violating τ decays into three leptons with 719 million produced τ+ τ- pairs

Olivier Schneider, Chao Wang, Aurelio Bay, Sun Hee Kim, Remi Léandre Albert Louvot

We present a search for lepton-flavor-violating τ decays into three leptons (electrons or muons) using 782 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. No evidence for these decays is observed and we set 90% ...

2010

Search for CP Violation in the Decays D-0 -> (KSP0)-P-0

Mingkui Wang, Olivier Schneider, Chao Wang, Vladislav Balagura, Remi Léandre Albert Louvot

We have searched for CP violation in the decays D-0 -> (KSP0)-P-0 where P-0 denotes a neutral pseudoscalar meson that is either a pi(0), eta, or eta' using KEKB asymmetric- energy e(+)e(-) collision data corresponding to an integrated luminosity of 791 fb( ...

2011

Search for lepton-number-violating B+ -> D- l+ l'+ decays

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Aurelio Bay, Sun Hee Kim, Jun Yong Kim, Remi Léandre Albert Louvot

We perform the first search for lepton-number-violating B+ -> D(-)l(+)l'(+) decays, where l and l' stand for e or mu, using 772 x 10(6) B (B) over bar pairs accumulated at the Y(4S) resonance with the Belle detector at the KEKB e(+)e(-) collider. No eviden ...

American Physical Society2011

Measurements of branching fractions and time-dependent CP violating asymmetries in B-0 -> D-(*D-)+/-(-/+) decays

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Jun Yong Kim, Remi Léandre Albert Louvot

We report measurements of branching fractions and time-dependent CP asymmetries in B-0 -> D+D- and B-0 -> D*D-+/-(-/+) decays using a data sample that contains (772 +/- 11) x 10(6)B (B) over bar pairs collected at the Y(4S) resonance with the Belle detecto ...

American Physical Society2012

Evidence for CP Violation in the Decay D+ -> K-S(0)pi(+)

Olivier Schneider, Chao Wang, Yiming Li, Jun Yong Kim, Remi Léandre Albert Louvot

We observe evidence for CP violation in the decay D+ -> K-S(0)pi(+) using a data sample with an integrated luminosity of 977 fb(-1) collected by the Belle detector at the KEKB e(+) e(-) asymmetric-energy collider. The CP asymmetry in the decay is measured ...

2012

Search for a Low Mass Particle Decaying into μ^{+}μ^{-} in B^{0}→K^{*0}X and B^{0}→ρ^{0}X at Belle

Mingkui Wang, Olivier Schneider, Chao Wang, Aurelio Bay, Remi Léandre Albert Louvot

We search for dimuon decays of a low mass particle in the decays B-0 -> K*X-0 and B-0 -> rho X-0 using a data sample of 657 x 10(6)B (B) over bar events collected with the Belle detector at the KEKB asymmetric- energy e(+)e(-) collider. We find no evidence ...

2010

Measurement of the Differential Branching Fraction and Forward-Backward Asymmetry for B→K(*)l+l-

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

We study B -> Kd()l(+)l(-) decays (l = e,u) based on a data sample of 657 x 10(6) B (B) over bar pairs collected with the Belle detector at the KEKB e(+)e(-) collider. We report the differential branching fraction, isospin asymmetry, K polarization, and ...

2009

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

Olivier Schneider, Chao Wang, Vladislav Balagura, Remi Léandre Albert Louvot

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

First measurement of phi(3) with a model-independent Dalitz plot analysis of B-+/- -> DK +/-, D -> K-S(0)pi(+)pi(-) decay

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Jun Yong Kim, Remi Léandre Albert Louvot

We present the first measurement of the angle phi(3) of the unitarity triangle using a model-independent Dalitz plot analysis of B-+/- -> DK +/-, D -> K-S(0)pi(+)pi(-) ecays. The method uses, as input, measurements of the strong phase of the D -> K-S(0)pi( ...

American Physical Society2012

Precise measurement of the branching fractions for B-s(0) -> D-s(()()+) D-s(()()-) and first measurement of the D-s(+) D-s(-) polarization using e(+)e(-) collisions

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Remi Léandre Albert Louvot

We have made a precise measurement of the absolute branching fractions of B-s(0) -> D-s(()()+) D-s(()()-) decays using 121.4 fb(-1) of data recorded by the Belle experiment running at the Upsilon(5S) resonance. The results are B(B-s(0) -> D-s(+) D-s(-)) ...

American Physical Society2013

Measurement of D^{+}→K_{S}^{0}K^{+} and D_{s}^{+}→K_{S}^{0}π^{+} branching ratios

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

We report an improved measurement of D+->(KSK+)-K-0 and D-s(+)-> K-S(0)pi(+) branching ratios using 605 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The measured branching ratios with respect to the Cabi ...

American Physical Society2009

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

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

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

Measurement of B-0 -> J/psi eta((')) and constraint on the eta - eta ' mixing angle

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Jun Yong Kim, Remi Léandre Albert Louvot

We measure the branching fractions of B-0 -> J/psi eta((')) decays with the complete Belle data sample of 772 x 10(6) B (B) over bar events collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The result ...

American Physical Society2012

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

Mingkui Wang, Olivier Schneider, Chao Wang, Vladislav Balagura, Remi Léandre Albert Louvot

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

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

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

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

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

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

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

Measurement of B→Ds(*)Kπ branching fractions

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

We report a measurement of the exclusive B+ meson decay to the D-s(()K-)(+)pi(+) final state using 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. We use D-s - ...

American Physical Society2009

Search for charmonium and charmoniumlike states in gamma(2S) radiative decays

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Jun Yong Kim, Remi Léandre Albert Louvot

Using a sample of 158 x 10(6) gamma (2S) events collected with the Belle detector, charmonium and charmoniumlike states with even charge parity are searched for in gamma (2S) radiative decays. No significant chi(cJ) or eta(c) signal is observed, and the fo ...

American Physical Society2011