R. Louvot

activity

20082016

most citedObservation of two charged bottomonium-like resonances in Y(5S) decays

610 citations · 1.7k across the 31 of their papers we have counts for

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31 papers · 1 filter

hep-ex2016★ 4 cited

Observation of Transverse $Λ/ Λ ˉ$ Hyperon Polarization in $e^{+} e^{-}$ Annihilation at Belle

The Belle Collaboration, A. Abdesselam, I. Adachi +445

We report the first observation of the polarization of $Λ/ Λ ˉ$ hyperons transverse to its production plane in $e^{+} e^{-}$ annihilation. We observe a significant polarization that ri…

hep-ex2015★ 9 cited

Measurement of Azimuthal Modulations in the Cross-Section of Di-Pion Pairs in Di-Jet Production from Electron-Positron Annihilation

A. Abdesselam, I. Adachi, K. Adamczyk +418

We present an extraction of azimuthal correlations between two pairs of charged pions detected in opposite jets from electron-positron annihilation. These correlations may arise fr…

hep-ex2012★ 22 cited

Search for CP Violation in the Decay $D^{+} \to K_{S}^{0} K^{+}$

B. R. Ko, E. Won, I. Adachi +142

We search for CP violation in the decay $D^{+} \to K_{S}^{0} K^{+}$ using a data sample with an integrated luminosity of 977 fb $^{- 1}$ collected with the Belle detector at the KEKB…

hep-ex2012★ 12 cited

Search for double charmonium decays of the P-wave spin-triplet bottomonium states

The Belle Collaboration

Using a sample of 158 million $Υ (2 S)$ events collected with the Belle detector, we search for the first time for double charmonium decays of the $P$ -wave spin-triplet bottomonium s…

hep-ex2011★ 610 cited

Observation of two charged bottomonium-like resonances in Y(5S) decays

the Belle Collaboration

We report the observation of two narrow structures in the mass spectra of the pi+-Y(nS) (n=1,2,3) and pi+-hb(mP)(m$ (m=1,2) pairs that are produced in association with a single cha…

hep-ex2011★ 45 cited

Search for Lepton-number-violating B+->D-l+l'+ Decays

O. Seon, Y. J. Kwon, T. Iijima

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 BB-bar pairs accumulated at the Upsilon(4S) resonance…

hep-ex2011★ 13 cited

Observation of $D^{+} \to K^{+} η^{(')}$ and Search for CP Violation in $D^{+} \to π^{+} η^{(')}$ Decays

E. Won, B. R. Ko

We report the first observation of the doubly Cabibbo-suppressed decays $D^{+} \to K^{+} η^{(')}$ using a 791 fb $^{- 1}$ data sample collected with the Belle detector at th…

hep-ex2011★ 150 cited

Observation of $X (3872) \to J / ψ γ$ and search for $X (3872) \to ψ^{'} γ$ in B decays

V. Bhardwaj, K. Trabelsi, J. B. Singh +2

We report a study of $B \to (J / ψ γ) K$ and $B \to (ψ^{'} γ) K$ decay modes using $772 \times 1 0^{6}$ $B B ˉ$ events collected at the Υ(4S)$ resonance with the Belle detector at the KEKB…

hep-ex2011★ 10 cited

Study of the decays B->D_s1(2536)+ anti-D(*)

T. Aushev

We report a study of the decays B -> D_s1(2536)+ anti-D(*), where anti-D(*) is anti-D0, D- or D*-, using a sample of 657 x 10^6 B anti-B pairs collected at the Upsilon(4S) resonanc…

hep-ex2011★ 152 cited

First observation of the P-wave spin-singlet bottomonium states h_b(1P) and h_b(2P)

Belle Collaboration

We report the first observation of the spin-singlet bottomonium states h_b(1P) and h_b(2P) produced in the reaction e+e- --> hb(nP)pi+pi- using a 121.4fb-1 data sample collected at…

hep-ex2011★ 60 cited

Observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and Evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$

Jin Li

We report the first observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and first evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$ , which are CP eigenstate decay modes. These results are obtained from $121.…

hep-ex2011★ 14 cited

Search for CP Violation in the Decays $D^{0} \to K_{S}^{0} P^{0}$

B. R. Ko, E. Won

We have searched for CP violation in the decays $D^{0} \to K_{S}^{0} P^{0}$ where $P^{0}$ denotes a neutral pseudo-scalar meson which is either a $π^{0}$ , $η$ , or $η^{'}$ using KEKB asymme…

hep-ex2010★ 70 cited

Measurement of the form factors of the decay B0 -> D*- ell+ nu and determination of the CKM matrix element |Vcb|

W. ~Dungel, C. ~Schwanda, I. ~Adachi +124

This article describes a determination of the Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{c b} ∣$ from the decay $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ using 711 fb $^{- 1}$ of Belle data colle…

hep-ex2010

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

K. Sakai, T. Kawasaki, H. Aihara +136

We present the result of a search for charge asymmetry in B^+ -> J/psi K^+ decays. The CP-violating charge asymmetry is measured to be A_CP(B^+ -> J/psi K^+) = [-0.76 +/- 0.50 (sta…

hep-ex2010★ 9 cited

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

K. Sakai, T. Kawasaki, H. Aihara +136

We present the result of a search for charge asymmetry in B^+ -> J/psi K^+ decays. The CP-violating charge asymmetry is measured to be A_CP(B^+ -> J/psi K^+) = [-0.76 +/- 0.50 (sta…

hep-ex2010★ 30 cited

Search for a Low Mass Particle Decaying into mu^+ mu^- in B0-> K*0 X and B0-> rho0 X at Belle

H. J. Hyun, H. K. Park, H. O. Kim +1

We search for dimuon decays of a low mass particle in the decays B0->K*0 X and B0->rho X using a data sample of 657x10^6 B Bbar events collected with the Belle detector at the KEKB…

hep-ex2010★ 46 cited

Search for leptonic decays of D0 mesons

M. Petrič, M. Starič

We search for the flavor-changing neutral current decays D0\to mu+mu- and D0\to e+e-, and for the lepton-flavor violating decays D0\to e\pm mu\mp using 660 fb^-1 of data collected…

hep-ex2010★ 19 cited

Search for $B^{0} \to K^{* 0} K^{* 0}$ , $B^{0} \to K^{* 0} K^{* 0}$ and $B^{0} \to K^{+} π^{-} K^{\mp} π^{\pm}$ Decays

C. -C. Chiang

We report a search for the decays $B^{0} \to K^{* 0} K^{* 0}$ and $B^{0} \to K^{* 0} K^{* 0}$ . We also measure other charmless decay modes with $K^{+} π^{-} K^{-} π^{+}$ and $K^{+}π^{-}K^{…

hep-ex2010★ 37 cited

Measurement of the branching fractions and the invariant mass distributions for tau^- -> h^-h^+h^-nu_tau decays

M. J. Lee

We present a study of tau->pipipinu, tau->Kpipinu, tau->KKpinu, and tau->KKKnu decays using a 666 fb-1 data sample collected with the Belle detector at the KEKB asymmetric-energy e…

hep-ex2009★ 131 cited

Evidence for a new resonance and search for the Y(4140) in $γ γ \to ϕ J / ψ$

The Belle Collaboration, C. P. Shen

The process $γγ\to ϕ\jpsi$ is measured for $ϕ\jpsi$ masses between threshold and 5 GeV/ $c^{2}$ , using a data sample of 825 fb $^{- 1}$ collected with the Belle detector. A narrow…

hep-ex2009★ 43 cited

Measurement Of |V_ub| From Inclusive Charmless Semileptonic B Decays

The Belle Collaboration

We present the partial branching fraction for inclusive charmless semileptonic B decays and the corresponding value of the CKM matrix element |Vub|, using a multivariate analysis m…

hep-ex2009★ 8 cited

Measurement of cross sections of exclusive $e^{+} e^{-} \to V P$ processes at $s = 10.58$ GeV

K. Belous, M. Shapkin

The cross sections for the reactions $e^{+} e^{-} \to ϕ η, ϕ η^{'}, ρ η, ρ η^{'}$ have been measured using a data sample of 516 fb $^{- 1}$ collected with the Belle detector at th…

hep-ex2009★ 17 cited

Measurements of Charmless Hadronic b->s Penguin Decays in the pi+pi-K+pi- Final State and First Observation of B0 -> rho0K+pi-

Belle Collaboration, S. -H. Kyeong, Y. -J. Kwon

We report measurements of charmless hadronic B^0 decays into the pi+pi-K+pi+ final state. The analysis uses a sample of 657x10^6 BBbar pairs collected with the Belle detector at th…

hep-ex2009★ 57 cited

High-statistics study of neutral-pion pair production in two-photon collisions

S. Uehara

The differential cross sections for the process $γ γ \to π^{0} π^{0}$ have been measured in the kinematic range 0.6 GeV $< W < 4.1$ GeV, $∣ cos θ^{*} ∣ < 0.8$ in energy and pion scattering an…

Observation of Transverse Λ/Λˉ Hyperon Polarization in e+e− Annihilation at Belle

Measurement of Azimuthal Modulations in the Cross-Section of Di-Pion Pairs in Di-Jet Production from Electron-Positron Annihilation

Search for CP Violation in the Decay D+→KS0​K+

Search for double charmonium decays of the P-wave spin-triplet bottomonium states

Observation of two charged bottomonium-like resonances in Y(5S) decays

Search for Lepton-number-violating B+->D-l+l'+ Decays

Observation of D+→K+η(′) and Search for CP Violation in D+→π+η(′) Decays

Observation of X(3872)→J/ψγ and search for X(3872)→ψ′γ in B decays

Study of the decays B->D_s1(2536)+ anti-D(*)

First observation of the P-wave spin-singlet bottomonium states h_b(1P) and h_b(2P)

Observation of Bs0​→J/ψf0​(980) and Evidence for Bs0​→J/ψf0​(1370)

Search for CP Violation in the Decays D0→KS0​P0

Measurement of the form factors of the decay B0 -> D*- ell+ nu and determination of the CKM matrix element |Vcb|

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

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

Search for a Low Mass Particle Decaying into mu^+ mu^- in B0-> K*0 X and B0-> rho0 X at Belle

Search for leptonic decays of D0 mesons

Search for B0→K∗0K∗0, B0→K∗0K∗0 and B0→K+π−K∓π± Decays

Measurement of the branching fractions and the invariant mass distributions for tau^- -> h^-h^+h^-nu_tau decays

Evidence for a new resonance and search for the Y(4140) in γγ→ϕJ/ψ

Measurement Of |V_ub| From Inclusive Charmless Semileptonic B Decays

Measurement of cross sections of exclusive e+e−→VP processes at s​=10.58 GeV

Measurements of Charmless Hadronic b->s Penguin Decays in the pi+pi-K+pi- Final State and First Observation of B0 -> rho0K+pi-

High-statistics study of neutral-pion pair production in two-photon collisions

Observation of Transverse $Λ/ Λ ˉ$ Hyperon Polarization in $e^{+} e^{-}$ Annihilation at Belle

Search for CP Violation in the Decay $D^{+} \to K_{S}^{0} K^{+}$

Observation of $D^{+} \to K^{+} η^{(')}$ and Search for CP Violation in $D^{+} \to π^{+} η^{(')}$ Decays

Observation of $X (3872) \to J / ψ γ$ and search for $X (3872) \to ψ^{'} γ$ in B decays

Observation of $B_{s}^{0} \to J / ψ f_{0} (980)$ and Evidence for $B_{s}^{0} \to J / ψ f_{0} (1370)$

Search for CP Violation in the Decays $D^{0} \to K_{S}^{0} P^{0}$

Search for $B^{0} \to K^{* 0} K^{* 0}$ , $B^{0} \to K^{* 0} K^{* 0}$ and $B^{0} \to K^{+} π^{-} K^{\mp} π^{\pm}$ Decays

Evidence for a new resonance and search for the Y(4140) in $γ γ \to ϕ J / ψ$

Measurement of cross sections of exclusive $e^{+} e^{-} \to V P$ processes at $s = 10.58$ GeV