Y. Asano

activity

20012014

most citedThe Physics of the B Factories

427 citations · 2.1k across the 32 of their papers we have counts for

collaborators

32 papers

hep-ex2014★ 427 cited

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-ex2006★ 31 cited

Measurements of CP Violation in $B^{0} \to D^{*-} π^{+}$ and $B^{0} \to D^{-} π^{+}$ Decays

The Belle Collaboration, F. J. Ronga

We report measurements of time dependent decay rates for $B^{0} \to D^{(*) -} π^{+}$ decays and extraction of CP violation parameters that depend on $ϕ_{3}$ . Using fully reconstructed $D^{…

hep-ex2005★ 19 cited

Observation of B^+ -> \barΞ_c^0Λ_c^+ and Evidence for B^0 -> \barΞ_c^-Λ_c^+

R. Chistov

We report the first observation of the decay B+ -> \barΞ_c^0 Λ_c^+ with a significance of 8.7 σand evidence for the decay B^0 -> \barΞ_c^-Λ_c^+ with a significance of 3.8 σ. The pr…

hep-ex2005★ 8 cited

Measurement of Branching Fractions for $B \to χ_{c 1 (2)} K (K^{*})$ at Belle

The Belle Collaboration, N. Soni

We have measured the branching fractions for the exclusive decay modes $B \to χ_{c 1 (2)} K (K^{*})$ using a $140 fb^{- 1}$ data sample collected by the Belle detector at the KEKB a…

hep-ex2005★ 91 cited

Charm Hadrons from Fragmentation and B decays in e+e- Annihilation at $s =$ 10.6 GeV

R. Seuster

We present an analysis of charm quark fragmentation at 10.6 GeV, based on a data sample of 103 fb collected by the Belle detector at the KEKB accelerator. We consider fragmentation…

hep-ex2005★ 44 cited

Measurement of |V_ub| near the endpoint of the electron momentum spectrum from semileptonic B-meson decays

The Belle Collaboration, A. Limosani

We report measurements of partial branching fractions of inclusive charmless semileptonic $B$ -meson decays at the endpoint of the electron momentum spectrum. The measurements are m…

hep-ex2005★ 72 cited

Time-Dependent CP-Violating Asymmetries in b -> s qbar q Transitions

The Belle Collaboration, K. -F. Chen

We present new measurements of CP-violation parameters in B0 -> phiK0, K+K-Ks, f0(980)Ks, eta'Ks, omegaKs and Kspi0 decays based on a sample of 275 x 10^6 BBbar pairs collected at…

hep-ex2005★ 165 cited

Improved Measurement of the Electroweak Penguin Process B->Xsll

The Belle Collaboration, M. Iwasaki

We present an improved measurement of the branching fraction for the electroweak penguin process B->Xsll, where l is an electron or a muon and Xs is a hadronic system containing an…

hep-ex2005★ 12 cited

Observation of $B^{0} \to D^{+} D^{-}$ , $B^{-} \to D^{0} D^{-}$ and $B^{-} \to D^{0} D^{*-}$ decays

G. Majumder

We report the first observation of the decay modes $B^{0} \to D^{+} D^{-}$ , $B^{-} \to D^{0} D^{-}$ and $B^{-} \to D^{0} D^{*-}$ based on 152 $\times$ 10 $^{6}$ $B B ˉ$ events collected at KEKB. T…

hep-ex2005★ 9 cited

Observation of B0bar --> D0 eta' and B0bar --> D*0 eta'

J. Schuemann

We report the observation of B0bar --> D0 eta' and the first observation of B0bar --> D*0 eta', using 140 fb-1 of data collected at the Upsilon(4S) resonance with the Belle detecto…

hep-ex2004★ 44 cited

Measurements of Branching Fractions and Polarization in B > K^* rho Decays

K. Abe

We present results of a study of the charmless vector-vector decays B^0 -> K^{*0} rho^0 and B^+ ->K^{*0} rho^+. The results are based on a 140 fb^{-1} data sample collected by the…

hep-ex2004★ 21 cited

Evidence for $B^{+} \to ω l^{+} ν$

The Belle Collaboration

We have searched for the decay $B^{+} \to ω l^{+} ν$ ( $l = e$ or $μ$ ) in 78 fb $^{- 1}$ of $Υ (4 S)$ data (85 million $B B ˉ$ events) accumulated with the Belle detector. The final state is fu…

hep-ex2003★ 44 cited

Improved Measurements of Branching Fractions for B->Kpi, pipi and KK Decays

The Belle Collaboration, Y. Chao, K. Suzuki +1

We report improved measurements of branching fractions for $B \to K π$ , $π^{+} π^{-}$ , $π^{+} π^{0}$ and $K K ˉ$ decays based on a data sample of 85.0 million $B B ˉ$ pairs collected at…

hep-ex2003★ 40 cited

Measurement of |V_ub| using inclusive B -> X_u l nu decays with a novel X_u-reconstruction method

H. Kakuno

We report the measurement of an inclusive partial branching fraction for charmless semileptonic B decay and the extraction of |V_ub|. Candidates for B -> X_u l nu are identified wi…

hep-ex2003★ 29 cited

Search for B^0 -> l^+ l^- at Belle

M. -C. Chang

We report the results of a search for the decay B^0 -> e^+ e^-, mu^+ mu^- and e^{+-} mu^{-+} based on an analysis of 78 fb^{-1} of data collected by the Belle detector at KEKB. No…

hep-ex2003★ 65 cited

Study of B meson decays to three-body charmless hadronic final states

A. Garmash

We report results of a study of charmless B meson decays to three-body KPiPi, KKPi and KKK final states. Measurements of branching fractions for B decays to K+0Pi+Pi-, K+K+K-, K0K+…

hep-ex2003★ 51 cited

Observation of B+ -> psi(3770) K+

The Belle Collaboration, R. Chistov

We report the first observation of the decay B+ -> psi(3770) K+ where psi(3770) is reconstructed in the D0D0-bar and D+D- decay channels. The obtained branching fraction is Br(B+ -…

hep-ex2003★ 122 cited

Measurement of Branching Fractions and Polarization in B -> phi K^{(*)} Decays

K. -F. Chen, A. Bozek

We present the first measurement of decay amplitudes in B -> phi K^* and measurements of branching fractions in B -> phi K^{(*)} decays based on 78.1 fb^{-1} of data recorded at th…

hep-ex2003★ 52 cited

Measurement of branching fraction ratios and CP asymmetries in $B^{\pm} \to D_{C P} K^{\pm}$

S. K. Swain, T. E. Browder

We report results on the decay $B^{-} \to D_{C P} K^{-}$ and its charge conjugate using a data sample of 85.4 million $B B ˉ$ pairs recorded at the $Υ (4 S)$ resonance with the Bell…

hep-ex2003★ 9 cited

First measurement of the T-violating muon polarization in the decay K^+ --> mu^+ nu gamma

V. V. Anisimovsky, A. N. Khotjantsev, A. P. Ivashkin

We present the result of the first measurement of the T-violating muon polarization P_T in the decay K^+ --> mu^+ nu gamma. This polarization is sensitive to new sources of CP-viol…

hep-ex2003★ 32 cited

Study of Time-Dependent CP-Violating Asymmetries in b->sq q Decays

K. Abe

We present a measurement of CP-violation parameters in the b->sq q penguin transitions (q=s,u,d) based on a 78/fb data sample collected at the Y(4S) resonance with the Belle detect…

hep-ex2003★ 46 cited

Evidence for CP-Violating Asymmetries in B0->pi+pi- Decays and Constraints on the CKM Angle phi2

Belle Collaboration, K. Abe

We present an improved measurement of CP-violating asymmetries in B0 -> pi+ pi- decays based on a 78 fb^-1 data sample collected at the Y(4S) resonance with the Belle detector at t…

hep-ex2002★ 26 cited

Study of $B^{0} ˉ \to D^{(*) 0} π^{+} π^{-}$ Decays

The Belle Collaboration, A. Satpathy

We report on a study of $B^{0} ˉ \to D^{(*) 0} π^{+} π^{-}$ decays using 29.1 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data recorded at the $Υ (4 S)$ resonance with the Belle detector…

hep-ex2002★ 34 cited

Studies of B0-B0bar Mixing Properties with Inclusive Dilepton Events

N. C. Hastings

We report a precise determination of the B0-B0bar mixing parameter Delta-m_d based on the time evolution of same-sign and opposite-sign dilepton yields in Upsilon(4S) decays. Data…