Z.-Q. Liu

activity

20092026

most citedDesign and Construction of the BESIII Detector

1.2k citations · 5.4k across the 171 of their papers we have counts for

collaborators

Showing 2012Show all

24 papers · 1 filter

hep-ex2012★ 14 cited

Measurement of the inclusive semileptonic branching fraction $B (B_{s}^{0} \to X^{-} ℓ^{+} ν_{ℓ})$ at Belle

Belle Collaboration, C. Oswald, P. Urquijo +172

We report a measurement of the inclusive semileptonic $B_{s}^{0}$ branching fraction in a $121 f b^{- 1}$ data sample collected near the $Υ (5 S)$ resonance with the Belle detector at the…

hep-ex2012★ 68 cited

Observation of ψ(4040) and ψ(4160) decay into ηJ/ψ

Belle Collaboration, X. L. Wang, Y. L. Han +126

The cross section for e^+e^- \to ηJ/ψbetween \sqrt{s}=3.8 GeV/c^2 and 5.3 GeV/c^2 is measured via initial state radiation using 980 fb^{-1} of data on and around the Υ(nS)(n=1,2,3,…

hep-ex2012★ 8 cited

Study of the Hadronic Transitions $Υ$ (2S) $\to (η, π^{0}) Υ$ (1S) at Belle

Belle Collaboration, U. Tamponi, R. Mussa +131

We study the rare hadronic transitions $Υ (2 S) \to Υ (1 S) η$ and $Υ (2 S) \to Υ (1 S) π^{0}$ using a sample of 158 $\times 1 0^{6}$ $Υ (2 S)$ decays collected with the Belle detecto…

cond-mat.mtrl-sci2012★ 118 cited

Unexpected Anisotropic Two Dimensional Electron Gas at the LaAlO3/SrTiO3 (110) Interface

A. Annadi, X. Wang, K. Gopinadhan +17

The observation of a two dimensional electron gas (2DEG) (1, 2), superconductivity (3, 4), magnetic effects (5) and electronic phase separation (6-8) at the interfaces of insulatin…

hep-ex2012★ 178 cited

Evidence for B- -> tau- nu_tau-bar with a Hadronic Tagging Method Using the Full Data Sample of Belle

Belle Collaboration, K. Hara, Y. Horii +179

We measure the branching fraction of B- -> tau- nu_tau-bar using the full Upsilon(4S) data sample containing 772*10^6 BBbar pairs collected with the Belle detector at the KEKB asym…

hep-ex2012★ 10 cited

Search for B -> phi pi decays

Belle collaboration, J. H. Kim, M. Nakao +149

We report on a search for the charmless decays $B^{+} \to ϕ π^{+}$ and $B^{0} \to ϕ π^{0}$ that are strongly suppressed in the Standard Model. The analysis is based on a data sample of…

hep-ex2012★ 7 cited

Evidence for B- -> Ds+ K- l- nubar and search for B- -> Ds*+ K- l- nubar

Belle Collaboration, J. Stypula, M. Rozanska +165

We report measurements of the decays B- -> Ds(*)+ K- l- nubar in a data sample containing 657x10^6 BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e+e-…

hep-ex2012★ 20 cited

First study of η_c, η(1760) and X(1835) production via η'π^+π^- final states in two-photon collisions

Belle Collaboration, C. C. Zhang, H. Aihara +101

The invariant mass spectrum of the η' π^+ π^- final state produced in two-photon collisions is obtained using a 673 fb^{-1} data sample collected in the vicinity of the Υ(4S) reson…

hep-ex2012★ 17 cited

Search for $B^{0}$ decays to invisible final states at Belle

Belle Collaboration, C. -L. Hsu, P. Chang +154

We report a search for $B^{0}$ decays into invisible final states using a data sample of $657 \times 1 0^{6}$ $B B ˉ$ pairs collected at the $Υ (4 S)$ resonance with the Belle dete…

hep-ex2012★ 59 cited

Search for Lepton-Flavor-Violating and Lepton-Number-Violating tau to lhh' Decay Modes

Y. Miyazaki, I. Adachi, H. Aihara +128

We search for lepton-flavor-violating and lepton-number-violating tau decays into a lepton (l = electron or muon) and two charged mesons (h, h' = pion or Kaon) using 854 fb^{-1} of…

hep-ex2012★ 14 cited

Search for the decay $B^{0} \to D K^{* 0}$ followed by $D \to K^{-} π^{+}$

The Belle Collaboration, K. Negishi, Y. Horii +136

We report a study of the decay $B^{0} \to D K^{+} π^{-}$ followed by $D \to K^{-} π^{+}$ , where $D$ indicates $D^{0}$ or $D ˉ^{0}$ . We reconstruct the $D K^{+} π^{-}$ state in a phase…

hep-ex2012★ 80 cited

Evidence for the eta_b(2S) and observation of h_b(1P) -> eta_b(1S) gamma and h_b(2P) -> eta_b(1S) gamma

Belle Collaboration, R. Mizuk, D. M. Asner +171

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 tra…

hep-ex2012★ 16 cited

Measurement of Branching Fraction and First Evidence of CP Violation in B0 --> a1+-(1260) pi-+ Decays

Belle Collaboration, J. Dalseno, I. Adachi +142

We present a measurement of the branching fraction and time-dependent CP violation parameters in B0 --> a_1^+-(1260) pi^-+ decays. The results are obtained from the final data samp…

hep-ex2012★ 223 cited

Measurement of gamma gamma* --> pi0 transition form factor at Belle

The Belle Collaboration, S. Uehara, Y. Watanabe +158

We report a measurement of the process gamma gamma* --> pi0 with a 759 fb^{-1} data sample recorded with the Belle detector at the KEKB asymmetric-energy e+e- collider. The pion tr…

hep-ex2012★ 9 cited

First observation of exclusive $Υ (1 S)$ and $Υ (2 S)$ decays into light hadrons

Belle Collaboration, C. P. Shen, C. Z. Yuan +153

Using samples of 102 million $Υ (1 S)$ and 158 million $Υ (2 S)$ events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to the…

hep-ex2012★ 16 cited

Measurements of Branching Fractions and Time-dependent CP Violating Asymmetries in $B^{0} \to D^{(*) \pm} D^{\mp}$ Decays

Belle Collaboration, M. Röhrken, I. Adachi +161

We report measurements of branching fractions and time-dependent CP asymmetries in $B^{0} \to D^{+} D^{-}$ and $B^{0} \to D^{*\pm} D^{\mp}$ decays using a data sample that contains $…

hep-ex2012★ 36 cited

Search for Time-Dependent CPT Violation in Hadronic and Semileptonic B Decays

T. Higuchi, K. Sumisawa, I. Adachi +176

We report a new sensitive search for CPT violation, which includes improved measurements of the CPT-violating parameter z and the total decay-width difference normalized to the ave…

hep-ex2012★ 57 cited

First Measurement of phi_3 with a Model-independent Dalitz Plot Analysis of B->DK, D->KsPiPi Decay

Belle collaboration, H. Aihara, K. Arinstein +159

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->KsPiPi decays. The method uses an input me…

hep-ex2012★ 27 cited

Measurement of $B^{0} \to J / ψ η^{(}^{'}^{)}$ and Constraint on the $η - η^{'}$ Mixing Angle

M. -C. Chang, Y. -C. Duh, J. -Y. Lin +153

We measure the branching fractions of $B^{0} \to J / ψ η^{(}^{'}^{)}$ decays with the complete Belle data sample of $772 \times 1 0^{6}$ $B B ˉ$ events collected at the $Υ (4 S)$ res…

hep-ex2012★ 5 cited

Measurement of the CP-violation Parameter sin2 $ϕ_{1}$ with a New Tagging Method at the $Υ (5 S)$ Resonance

Belle Collaboration, Y. Sato, H. Yamamoto +160

We report a measurement of the CP-violation parameter sin2 $ϕ_{1}$ at the $Υ (5 S)$ resonance using a new tagging method, called " $B$ - $π$ tagging." In $Υ (5 S)$ decays containing a neutra…

hep-ex2012★ 38 cited

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

B. R. Ko, E. Won, I. Adachi +156

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

hep-ex2012★ 18 cited

Observation of new resonant structures in $γ γ \to ω ϕ$ , $ϕϕ$ and $ω ω$

Z. Q. Liu, C. P. Shen, C. Z. Yuan +2

The processes $γ γ \to ω ϕ$ , $ϕϕ$ , and $ω ω$ are measured using an 870 fb $^{- 1}$ data sample collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider. Producti…

hep-ex2012★ 26 cited

First observation of $B_{s}^{0} \to J / ψ η$ and $B_{s}^{0} \to J / ψ η^{'}$

Jin Li

We report first observations of $B_{s}^{0} \to J / ψ η$ and $B_{s}^{0} \to J / ψ η^{'}$ . The results are obtained from 121.4 fb^{-1} of data collected at the $Υ (5 S)$ resonance with the Belle detector…

hep-ex2012★ 108 cited

Precise measurement of the CP violation parameter sin2phi_1 in B0-->(c\bar c)K0 decays

Belle Collaboration, I. Adachi, H. Aihara +173

We present a precise measurement of the CP violation parameter sin2phi_1 and the direct CP violation parameter A_f using the final data sample of 772x10^6 B\bar B pairs collected a…

Measurement of the inclusive semileptonic branching fraction B(Bs0​→X−ℓ+νℓ​) at Belle