Yonsei University

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2008 · hep-exShow all

35 papers · 2 filters

hep-ex2008★ 17 cited

Search for Lepton-Flavor-Violating tau Decays into a Lepton and an f0(980) Meson

Y. Miyazaki

We search for lepton-flavor-violating tau decays into a lepton (electron or muon) and an f0(980) meson using 671 fb-1 of data collected with the Belle detector at the KEKB asymmetr…

hep-ex2008★ 26 cited

Observation of B0 to Lambda Lambdabar K0 and B0 to Lambda Lambdabar K*0 at Belle

Y. -W. Chang, M. -Z. Wang

We study the charmless decays B to Lambda Lambdabar h, where h stands for pi^+, K^+,K^0,K^{*+}, or K^{*0}, using a 605 fb^{-1} data sample collected at the Upsilon(4S)resonance wit…

hep-ex2008★ 39 cited

Time-dependent Dalitz Plot Measurement of CP Parameters in B0 --> Ks Pi+ Pi- Decays

J. Dalseno

We present a time-dependent Dalitz plot measurement of CP violation parameters in B0 --> Ks Pi+ Pi- decays. These results are obtained from a large data sample that contains 657 mi…

hep-ex2008★ 56 cited

Precise measurement of hadronic tau-decays with an eta meson

K. Inami

We have studied hadronic tau decay modes involving an eta meson using 490 fb^{-1} of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The followi…

hep-ex2008★ 108 cited

Inclusive cross section and double helicity asymmetry for pi^0 production in p+p collisions at sqrt(s) = 62.4 GeV

PHENIX Collaboration, A. Adare

The PHENIX experiment presents results from the RHIC 2006 run with polarized proton collisions at sqrt(s) = 62.4 GeV for inclusive pi^0 production at mid-rapidity. Unpolarized cros…

hep-ex2008★ 90 cited

The gluon spin contribution to the proton spin from the double helicity asymmetry in inclusive pi^0 production in polarized p+p collisions at sqrt(s)=200 GeV

PHENIX Collaboration, A. Adare

The double helicity asymmetry in neutral pion production for p_T = 1 to 12 GeV/c has been measured with the PHENIX experiment in order to access the gluon spin contribution, Delta-…

hep-ex2008★ 94 cited

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

S. Uehara, Y. Watanabe

We have measured the cross section for pi^0 pi^0 production in two-photon collisions using a data sample with an ntegrated luminosity of 95 fb^-1 collected with the Belle detector.…

hep-ex2008★ 71 cited

Observation of an enhancement in $e^{+} e^{-} \to Υ (1 S) π^{+} π^{-}$ , $Υ (2 S) π^{+} π^{-}$ , and $Υ (3 S) π^{+} π^{-}$ production around $s = 10.89$ GeV at Belle

K. -F. Chen

We measure the production cross sections for $e^{+} e^{-} \to Υ (1 S) π^{+} π^{-}$ , $Υ (2 S) π^{+} π^{-}$ , and $Υ (3 S) π^{+} π^{-}$ as a function of $s$ between 10.83 GeV and 11.02 GeV. The data consis…

hep-ex2008★ 7 cited

Evidence for B to K eta' gamma Decays at Belle

Belle Collaboration, R. Wedd

We present the results of a search for the radiative decay (B -> K eta' gamma) and find evidence for (B^+ -> K^+ eta' gamma) decays at the 3.3 standard deviation level with a parti…

hep-ex2008★ 123 cited

Study of the $B \to X (3872) (\to D^{* 0} D ˉ^{0}) K$ decay

T. Aushev, N. Zwahlen

We present a study of $B \to X (3872) K$ with X(3872) decaying to $D^{* 0} D ˉ^{0}$ using a sample of 657 million $B B ˉ$ pairs recorded at the $Υ (4 S)$ resonance with the Belle detec…

hep-ex2008★ 6 cited

Evidence for $B^{0} \to χ_{c 1} π^{0}$ at Belle

Belle Collaboration, R. Kumar, J. B. Singh

We present a measurement of the branching fraction for the Cabibbo- and color-suppressed $B^{0} \to χ_{c 1} π^{0}$ decay based on a data sample of $657 \times 1 0^{6}$ $B B ˉ$ events colle…

hep-ex2008★ 26 cited

Measurement of CP asymmetries in $B^{0} \to K^{0} π^{0}$ decays

M. Fujikawa, Y. Yusa

We report measurements of CP violation parameters in $B^{0} \to K^{0} π^{0}$ decays based on a data sample of $657 \times 1 0^{6} B B ˉ$ pairs collected with the Belle detector at the KE…

hep-ex2008★ 49 cited

Measurement of the Decay B_s^0 -> D_s^- pi^+ and Evidence for B_s^0 -> D_s^{+/-} K^{-/+} in e+e- Annihilation at sqrt(s)~10.87 GeV

The Belle Collaboration, R. Louvot, J. Wicht +1

We have studied Bs0 -> Ds- pi+ and Bs0 -> Ds^(-/+) K^(+/-) decays using 23.6 /fb of data collected at the Upsilon(5S) resonance with the Belle detector at the KEKB e+e- collider. T…

hep-ex2008★ 5 cited

Observation of $B^{\pm} \to ψ (2 S) π^{\pm}$ and search for direct CP-violation

V. Bhardwaj, R. Kumar, J. B. Singh

We report the first observation of $B^{\pm} \to ψ (2 S) π^{\pm}$ , a Cabibbo- and color-suppressed decay. This analysis is based on $657 \times 1 0^{6}$ $B B$ events collected at t…

hep-ex2008★ 67 cited

Study of Ω_c^0 and Ω_c^{*0} Baryons at Belle

E. Solovieva, R. Chistov

We report results from a study of the charmed double strange baryons Ω_c^0 and Ω_c^{*0} at Belle. The Ω_c^0 is reconstructed using the Ω_c^0 --> Ω^- π^+ decay mode, and its mass is…

hep-ex2008★ 14 cited

Measurement of $B^{0} \to π^{+} π^{-} π^{+} π^{-}$ Decays and Search for $B^{0} \to ρ^{0} ρ^{0}$

The Belle Collaboration, C. -C. Chiang

We report on a search for the decay $B^{0} \to ρ^{0} ρ^{0}$ and other charmless modes with a $π^{+} π^{-} π^{+} π^{-}$ final state, including $B^{0} \to ρ^{0} π^{+} π^{-}$ , non-resonant $B^{0} \to 4 π^{\pm}$ , $B^0\to…

hep-ex2008★ 71 cited

Observation of an enhancement in e+e- to Upsilon(1S)pi+pi-, Upsilon(2S)pi+pi-, and Upsilon(3S)pi+pi- production near sqrt{s}=10.89 GeV at Belle

The Belle Collaboration, K. -F. Chen, W. -S. Hou

We measure the production cross sections for e+e- -> Upsilon(1S)pi+pi-, Upsilon(2S)pi+pi-, and Upsilon(3S)pi+pi- as a function of sqrt{s} between 10.83 GeV and 11.02 GeV. The data…

hep-ex2008★ 115 cited

Observation of the $ϕ (1680)$ and the Y(2175) in $e^{+} e^{-} \to ϕ π^{+} π^{-}$

The Belle Collaboration, C. P. Shen

The cross sections for $e^{+} e^{-} \to ϕ π^{+} π^{-}$ and $e^+ e^- \to ϕ\fzero$ are measured from threshold to $s = 3.0$ $GeV$ using initial state radiation. The analysis is bas…

hep-ex2008★ 278 cited

Observation of a near-threshold enhancement in the e+e- -->Lambda_c+Lambda_c- cross section using initial-state radiation

G. Pakhlova

We report a measurement of the exclusive e+e- -->Lambda_c+ Lambda_c- cross section as a function of center-of-mass energy near the Lambda_c+ Lambda_c- threshold. A clear peak with…

hep-ex2008★ 12 cited

Evidence for Neutral B Meson Decays to wK*0

P. Goldenzweig

We present the results of a study of the charmless vector-vector decay B0->wK*0 with 657x10^6 BB(bar) pairs collected with the Belle detector at the KEKB e+e- collider. We measure…

hep-ex2008★ 78 cited

Measurement of CP asymmetry in Cabibbo suppressed D0 decays

M. Staric

We measure the CP-violating asymmetries in decays to the D0 -> K+K- and D0 -> pi+pi- CP eigenstates using 540 fb^{-1} of data collected with the Belle detector at or near the Upsil…

hep-ex2008★ 229 cited

Observation of two resonance-like structures in the pi+ chi_c1 mass distribution in exclusive B0-bar --> K- pi+ chi_c1 decays

R. Mizuk, R. Chistov

We report the first observation of two resonance-like structures in the pi+ chi_c1 invariant mass distribution near 4.1 GeV/c^2 in exclusive B0-bar --> K- pi+ chi_c1 decays. From a…

hep-ex2008★ 180 cited

Measurement of Azimuthal Asymmetries in Inclusive Production of Hadron Pairs in e+e- Annihilation at \sqrt{s} = 10.58 GeV

Belle Collaboration, R. Seidl, M. Grosse-Perdekamp +1

The Collins effect connects transverse quark spin with a measurable azimuthal asymmetry in the yield of hadronic fragments around the quark's momentum vector. Using two different r…

hep-ex2008★ 207 cited

High-Statistics Study of the tau^- -> pi^- pi^0 nu_tau Decay

M. Fujikawa, H. Hayashii, S. Eidelman

We report a high-statistics measurement of the branching fraction for tau^- --> pi^- pi^0 nu_tau and the invariant mass spectrum of the produced pi^- pi^0 system using 72.2 fb^-1 o…