Z. Zhang

activity

19992026

most citedObservation of electron-antineutrino disappearance at Daya Bay

2.2k citations · 31.8k across the 513 of their papers we have counts for

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20 papers · 1 filter

hep-ex2022★ 18 cited

First Observation of $Λ π^{+}$ and $Λ π^{-}$ Signals near the $K ˉ N (I = 1)$ Mass Threshold in $Λ_{c}^{+} \to Λ π^{+} π^{+} π^{-}$ Decay

Belle Collaboration, Y. Ma, J. Yelton +195

Using the data sample of 980 fb $^{- 1}$ collected with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present the results of an investigation of th…

hep-ex2022

Measurement of branching fractions of $Λ_{c}^{+} \to p K_{S}^{0} K_{S}^{0}$ and $Λ_{c}^{+} \to p K_{S}^{0} η$ at Belle

Belle Collaboration, L. K. Li, K. Kinoshita +204

We present a study of a singly Cabibbo-suppressed decay $Λ_{c}^{+} \to p K_{S}^{0} K_{S}^{0}$ and a Cabibbo-favored decay $Λ_{c}^{+} \to p K_{S}^{0} η$ based on 980 $f b^{- 1}$ of data collected by the…

hep-ex2022★ 9 cited

Evidence for the singly Cabibbo-suppressed decay $Ω_{c}^{0} \to Ξ^{-} π^{+}$ and search for $Ω_{c}^{0} \to Ξ^{-} K^{+}$ and $Ω^{-} K^{+}$ decays at Belle

Belle Collaboration, X. Han, S. Jia +170

Using a data sample of 980 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we study for the first time the singly Cabibbo-suppressed de…

hep-ex2022★ 1 cited

Search for rare decays $B^{+} \to D_{s}^{() +} η$ , $D_{s}^{() +} K ˉ^{0}$ , $D^{+} η$ , and $D^{+} K^{0}$

Belle Collaboration, M. Kumar, V. Bhardwaj +196

We present a study of rare decay modes $B^{+} \to D_{s}^{+} h^{0}$ , $B^{+} \to D_{s}^{*+} h^{0}$ , and $B^{+} \to D^{+} h^{0}$ , where $h^{0}$ denotes the neutral mesons $η$ or $K^{0…

hep-ex2022★ 8 cited

Measurements of branching fractions of $Λ_{c}^{+} \to Σ^{+} η$ and $Λ_{c}^{+} \to Σ^{+} η^{'}$ and asymmetry parameters of $Λ_{c}^{+} \to Σ^{+} π^{0}$ , $Λ_{c}^{+} \to Σ^{+} η$ , and $Λ_{c}^{+} \to Σ^{+} η^{'}$

Belle Collaboration, S. X. Li, C. P. Shen +168

We report a study of $Λ_{c}^{+} \to Σ^{+} π^{0}$ , $Λ_{c}^{+} \to Σ^{+} η$ , and $Λ_{c}^{+} \to Σ^{+} η^{'}$ using the data sample corresponding to an integrated luminosity of 980 $f b^{- 1}$ collected w…

hep-ex2022

Measurement of two-photon decay width of $χ_{c 2} (1 P)$ in $γ γ \to χ_{c 2} (1 P) \to J / ψ γ$ at Belle

The Belle Collaboration, Y. Seino, K. Hayasaka +194

We report the measurement of the two-photon decay width of $χ_{c 2} (1 P)$ in two-photon processes at the Belle experiment. We analyze the process $ γγ\rightarrow χ_{c2}(1P) \rightarr…

hep-ex2022★ 1 cited

First measurement of the $B^{+} \to π^{+} π^{0} π^{0}$ branching fraction and \textit{CP} asymmetry

Belle Collaboration, Y. -T. Lai, I. Adachi +198

We study $B^{+} \to π^{+} π^{0} π^{0}$ using 711 $fb^{- 1}$ of data collected at the $Υ (4 S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider.…

hep-ex2022★ 6 cited

Search for a dark leptophilic scalar produced in association with $τ^{+} τ^{-}$ pair in $e^{+} e^{-}$ annihilation at center-of-mass energies near 10.58 GeV

Belle Collaboration, D. Biswas, Sw. Banerjee +177

A dark leptophilic scalar $(ϕ_{L})$ is a hypothetical particle that couples only to leptons rather than quarks. We report on a search for $ϕ_{L}$ in the $e^+e^- \to τ^+ τ^- ϕ_L, ~ϕ_L \…

hep-ex2022

Measurement of the $B^{+} / B^{0}$ production ratio in $e^{+} e^{-}$ collisions at the $Υ (4 S)$ resonance using $B \to J / ψ (ℓℓ) K$ decays at Belle

Belle Collaboration, S. Choudhury, S. Sandilya +197

We measure the ratio of branching fractions for the $Υ (4 S)$ decays to $B^{+} B^{-}$ and $B^{0} B ˉ^{0}$ using $B^{+} \to J / ψ (ℓℓ) K^{+}$ and $B^0 \rightarrow J/ψ(\ell\ell) K^0…

hep-ex2022★ 3 cited

First search for the weak radiative decays $Λ_{c}^{+} \to Σ^{+} γ$ and $Ξ_{c}^{0} \to Ξ^{0} γ$

Belle Collaboration, Y. Li, C. P. Shen +187

We present the first search for the weak radiative decays $Λ_{c}^{+} \to Σ^{+} γ$ and $Ξ_{c}^{0} \to Ξ^{0} γ$ using a data sample of 980~fb $^{- 1}$ collected by the Belle detector operating at…

hep-ex2022★ 1 cited

Angular analysis of the low $K^{+} K^{-}$ invariant mass enhancement in $B^{+} \to K^{+} K^{-} π^{+}$ decays

Belle Collaboration, C. -L. Hsu, M. E. Sevior +202

We study the decay $B^{+} \to K^{+} K^{-} π^{+}$ and investigate the angular distribution of $K^{+} K^{-}$ pairs with invariant mass below $1.1$ GeV/ $c^{2}$ . This region exhibits both a str…

hep-ex2022★ 5 cited

Two-particle angular correlations in $e^{+} e^{-}$ collisions to hadronic final states in two reference coordinates at Belle

Belle Collaboration, Y. -C. Chen, Y. -J. Lee +188

We present the analysis of two-particle angular correlations using coordinate systems defined with the conventional beam axis and the event thrust axis, and propose the latter to b…

hep-ex2022★ 22 cited

Evidence of a new excited charmed baryon decaying to $Σ_{c} (2455)^{0, ++} π^{\pm}$

Belle Collaboration, Y. B. Li, C. P. Shen +194

We present the study of $B ˉ^{0} \to Σ_{c} (2455)^{0, ++} π^{\pm} p ˉ$ decays based on $772 \times 1 0^{6}$ $B B ˉ$ events collected with the Belle detector at the KEKB asym…

hep-ex2022

Search for $X (3872) \to π^{+} π^{-} π^{0}$ at Belle

Belle Collaboration, J. H. Yin, E. Won +193

We present a search for the decay $X (3872) \to π^{+} π^{-} π^{0}$ in the $(772 \pm 11) \times 1 0^{6}$ $Υ (4 S) \to B B ˉ$ data sample collected at the Belle detector, where the $X (3872)$ is prod…

hep-ex2022★ 5 cited

Measurement of the branching fraction of $Ξ_{c}^{0} \to Λ_{c}^{+} π^{-}$ at Belle

Belle Collaboration, S. S. Tang, Y. B. Li +171

Based on a data sample of 983 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present the study of the heavy-flavor-conserving decay…

hep-ex2022★ 1 cited

Measurement of the branching fractions for Cabibbo-suppressed decays $D^{+} \to K^{+} K^{-} π^{+} π^{0}$ and $D_{(s)}^{+} \to K^{+} π^{-} π^{+} π^{0}$ at Belle

Belle Collaboration, L. K. Li, A. J. Schwartz +197

We present measurements of the branching fractions for the singly Cabibbo-suppressed decays $D^{+} \to K^{+} K^{-} π^{+} π^{0}$ and $D_{s}^{+} \to K^{+} π^{-} π^{+} π^{0}$ , and the doubly Cabi…

hep-ex2022

Search for $B^{0} \to K_{S}^{0} K_{S}^{0} γ$ decays at Belle

Belle Collaboration, H. B. Jeon, K. H. Kang +219

We report the first search for the penguin-dominated process $B^{0} \to K_{S}^{0} K_{S}^{0} γ$ using the full data sample of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected with the Bell…

hep-ex2022★ 26 cited

First measurement of high-energy reactor antineutrinos at Daya Bay

Daya Bay collaboration, F. P. An, A. B. Balantekin +182

This Letter reports the first measurement of high-energy reactor antineutrinos at Daya Bay, with nearly 9000 inverse beta decay candidates in the prompt energy region of 8-12~MeV o…

hep-ex2022★ 8 cited

Measurement of Two-Particle Correlations of Hadrons in $e^{+} e^{-}$ Collisions at Belle

Y. -C. Chen, Y. -J. Lee, P. Chang +174

The measurement of two-particle angular correlation functions in high-multiplicity $e^{+} e^{-}$ collisions at $s = 10.52$ GeV is reported. In this study, the $89.5~{\text{fb}}^{-1…

hep-ex2022

Search for charged lepton flavor violating decays of $Υ (1 S)$

Belle Collaboration, S. Patra, V. Bhardwaj +216

We present a search for the charged lepton-flavor-violating decays $Υ (1 S) \to ℓ ℓ^{'}$ and radiative charged lepton-flavour-violating decays $Υ(1S)\rightarrowγ\ell\el…

First Observation of Λπ+ and Λπ− Signals near the KˉN(I=1) Mass Threshold in Λc+​→Λπ+π+π− Decay

Measurement of branching fractions of Λc+​→pKS0​KS0​ and Λc+​→pKS0​η at Belle

Evidence for the singly Cabibbo-suppressed decay Ωc0​→Ξ−π+ and search for Ωc0​→Ξ−K+ and Ω−K+ decays at Belle

Search for rare decays B+→Ds(∗)+​η, Ds(∗)+​Kˉ0, D+η, and D+K0

Measurements of branching fractions of Λc+​→Σ+η and Λc+​→Σ+η′ and asymmetry parameters of Λc+​→Σ+π0, Λc+​→Σ+η, and Λc+​→Σ+η′

Measurement of two-photon decay width of χc2​(1P) in γγ→χc2​(1P)→J/ψγ at Belle

First measurement of the B+→π+π0π0 branching fraction and \textit{CP} asymmetry

Search for a dark leptophilic scalar produced in association with τ+τ− pair in e+e− annihilation at center-of-mass energies near 10.58 GeV

Measurement of the B+/B0 production ratio in e+e− collisions at the Υ(4S) resonance using B→J/ψ(ℓℓ)K decays at Belle

First search for the weak radiative decays Λc+​→Σ+γ and Ξc0​→Ξ0γ

Angular analysis of the low K+K− invariant mass enhancement in B+→K+K−π+ decays

Two-particle angular correlations in e+e− collisions to hadronic final states in two reference coordinates at Belle

Evidence of a new excited charmed baryon decaying to Σc​(2455)0,++π±

Search for X(3872)→π+π−π0 at Belle

Measurement of the branching fraction of Ξc0​→Λc+​π− at Belle

Measurement of the branching fractions for Cabibbo-suppressed decays D+→K+K−π+π0 and D(s)+​→K+π−π+π0 at Belle

Search for B0→KS0​KS0​γ decays at Belle

First measurement of high-energy reactor antineutrinos at Daya Bay

Measurement of Two-Particle Correlations of Hadrons in e+e− Collisions at Belle

Search for charged lepton flavor violating decays of Υ(1S)

First Observation of $Λ π^{+}$ and $Λ π^{-}$ Signals near the $K ˉ N (I = 1)$ Mass Threshold in $Λ_{c}^{+} \to Λ π^{+} π^{+} π^{-}$ Decay

Measurement of branching fractions of $Λ_{c}^{+} \to p K_{S}^{0} K_{S}^{0}$ and $Λ_{c}^{+} \to p K_{S}^{0} η$ at Belle

Evidence for the singly Cabibbo-suppressed decay $Ω_{c}^{0} \to Ξ^{-} π^{+}$ and search for $Ω_{c}^{0} \to Ξ^{-} K^{+}$ and $Ω^{-} K^{+}$ decays at Belle

Search for rare decays $B^{+} \to D_{s}^{() +} η$ , $D_{s}^{() +} K ˉ^{0}$ , $D^{+} η$ , and $D^{+} K^{0}$

Measurements of branching fractions of $Λ_{c}^{+} \to Σ^{+} η$ and $Λ_{c}^{+} \to Σ^{+} η^{'}$ and asymmetry parameters of $Λ_{c}^{+} \to Σ^{+} π^{0}$ , $Λ_{c}^{+} \to Σ^{+} η$ , and $Λ_{c}^{+} \to Σ^{+} η^{'}$

Measurement of two-photon decay width of $χ_{c 2} (1 P)$ in $γ γ \to χ_{c 2} (1 P) \to J / ψ γ$ at Belle

First measurement of the $B^{+} \to π^{+} π^{0} π^{0}$ branching fraction and \textit{CP} asymmetry

Search for a dark leptophilic scalar produced in association with $τ^{+} τ^{-}$ pair in $e^{+} e^{-}$ annihilation at center-of-mass energies near 10.58 GeV

Measurement of the $B^{+} / B^{0}$ production ratio in $e^{+} e^{-}$ collisions at the $Υ (4 S)$ resonance using $B \to J / ψ (ℓℓ) K$ decays at Belle

First search for the weak radiative decays $Λ_{c}^{+} \to Σ^{+} γ$ and $Ξ_{c}^{0} \to Ξ^{0} γ$

Angular analysis of the low $K^{+} K^{-}$ invariant mass enhancement in $B^{+} \to K^{+} K^{-} π^{+}$ decays

Two-particle angular correlations in $e^{+} e^{-}$ collisions to hadronic final states in two reference coordinates at Belle

Evidence of a new excited charmed baryon decaying to $Σ_{c} (2455)^{0, ++} π^{\pm}$

Search for $X (3872) \to π^{+} π^{-} π^{0}$ at Belle

Measurement of the branching fraction of $Ξ_{c}^{0} \to Λ_{c}^{+} π^{-}$ at Belle

Measurement of the branching fractions for Cabibbo-suppressed decays $D^{+} \to K^{+} K^{-} π^{+} π^{0}$ and $D_{(s)}^{+} \to K^{+} π^{-} π^{+} π^{0}$ at Belle

Search for $B^{0} \to K_{S}^{0} K_{S}^{0} γ$ decays at Belle

Measurement of Two-Particle Correlations of Hadrons in $e^{+} e^{-}$ Collisions at Belle

Search for charged lepton flavor violating decays of $Υ (1 S)$