S. Said

activity

20152024

R (D)

and

R (D^{*})

with a semileptonic tagging method

236 citations · 1.5k across the 64 of their papers we have counts for

collaborators

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65 papers · 1 filter

hep-ex2024

Measurement of the inclusive branching fractions for $B_{s}^{0}$ decays into $D$ mesons via hadronic tagging

Belle, Belle II Collaborations, : +452

We report measurements of the absolute branching fractions $B (B_{s}^{0} \to D_{s}^{\pm} X)$ , $B (B_{s}^{0} \to D^{0} / D ˉ^{0} X)$ , and $B (B_{s}^{0} \to D^{\pm} X)$ , w…

hep-ex2024★ 2 cited

Study of $χ_{b J} (2 P) \to ω Υ (1 S)$ at Belle

Belle Collaboration, Z. S. Stottler, T. K. Pedlar +179

We report a study of the hadronic transitions $χ_{b J} (2 P) \to ω Υ (1 S)$ , with $ω \to π^{+} π^{-} π^{0}$ , using $28.2 \times 1 0^{6} Υ (3 S)$ mesons recorded by the Belle detector. We present the…

hep-ex2023

Search for baryon and lepton number violating decays $D \to p ℓ$

Belle Collaboration, S. Maity, R. Garg +159

We search for the baryon and lepton number violating charm decays, $D \to p ℓ$ , where $D$ is either a $D^{0}$ or a $D^{0}$ and $ℓ$ is a muon or an electron, usi…

hep-ex2023

Search for $C P$ violation using $T$ -odd correlations in $D_{(s)}^{+} \to K^{+} K^{-} π^{+} π^{0}$ , $D_{(s)}^{+} \to K^{+} π^{-} π^{+} π^{0}$ , and $D^{+} \to K^{-} π^{+} π^{+} π^{0}$ decays

Belle Collaboration, L. K. Li, A. J. Schwartz +174

We search for $C P$ violation using $T$ -odd correlations in five $D_{(s)}^{+}$ and $D_{(s)}^{-}$ four-body decays. Our analysis is based on 980 $f b^{- 1}$ of data collected by…

hep-ex2023

Evidence for $B^{0} \to p Σ ˉ^{0} π^{-}$ at Belle

Belle Collaboration, C. -Y. Chang, M. -Z. Wang +192

We search for the $B^{0} \to p Σ ˉ^{0} π^{-}$ decay with $Σ ˉ^{0} \to Λ ˉ γ$ , where the $γ$ is not measured, using a data sample corresponding to an integrated luminosity of 711 $\rm{fb^…

hep-ex2023

Search for the double-charmonium state with $η_{c} J / ψ$ at Belle

Belle Collaboration, J. H. Yin, Y. B. Li +180

We measure the cross section of $e^{+} e^{-} \to η_{c} J / ψ$ at the $Υ (n S) (n = 1$ -- $5)$ on-resonance and 10.52 GeV off-resonance energy points using the full data sample collected b…

hep-ex2023★ 4 cited

First Simultaneous Determination of Inclusive and Exclusive $∣ V_{u b} ∣$

Belle Collaboration, L. Cao, F. Bernlochner +211

The first simultaneous determination of the absolute value of the Cabibbo-Kobayashi-Maskawa matrix element $V_{u b}$ using inclusive and exclusive decays is performed with the full…

hep-ex2023★ 5 cited

Study of the muon decay-in-flight in the $τ^{-} \to μ^{-} ν ˉ_{μ} ν_{τ}$ decay to measure the Michel parameter $ξ^{'}$

Belle Collaboration, D. Bodrov, P. Pakhlov +192

We present the first measurement of the Michel parameter $ξ^{'}$ in the $τ^{-} \to μ^{-} ν ˉ_{μ} ν_{τ}$ decay using the full data sample of $988 fb^{- 1}$ collected by the Belle de…

hep-ex2023★ 17 cited

Study of the lineshape of $X (3872)$ using $B$ decays to $D^{0} D^{* 0} K$

Belle Collaboration, H. Hirata, T. Iijima +210

We present a study of the $X (3872)$ lineshape in the decay $B \to X (3872) K \to D^{0} D^{* 0} K$ using a data sample of $772 \times 1 0^{6}$ $B B$ pairs collected at th…

hep-ex2023★ 37 cited

Measurement of Differential Distributions of $B \to D^{*} ℓ ν ˉ_{ℓ}$ and Implications on $∣ V_{c b} ∣$

Belle Collaboration, M. T. Prim, F. Bernlochner +212

We present a measurement of the differential shapes of exclusive $B \to D^{*} ℓ ν ˉ_{ℓ}$ ( $B = B^{-}, B ˉ^{0}$ and $ℓ = e, μ$ ) decays with hadronic tag-side reconstruction f…

hep-ex2023

First measurement of the Q^2 distribution of X(3915) single-tag two-photon production

Belle Collaboration, Y. Teramoto, S. Uehara +203

We report the first measurement of the $Q^{2}$ distribution of $X (3915)$ produced by single-tag two-photon interactions. The decay mode used is $X (3915) \to J / ψ ω$ . The covere…

hep-ex2022★ 9 cited

First observation of $B \to D ˉ_{1} (\to D ˉ π^{+} π^{-}) ℓ^{+} ν_{ℓ}$ and measurement of the $B \to D ˉ^{()} π ℓ^{+} ν_{ℓ}$ and $B \to D ˉ^{()} π^{+} π^{-} ℓ^{+} ν_{ℓ}$ branching fractions with hadronic tagging at Belle

Belle Collaboration, F. Meier, A. Vossen +202

We report measurements of the ratios of branching fractions for $B \to D ˉ^{(*)} π ℓ^{+} ν_{ℓ}$ and $B \to D ˉ^{(*)} π^{+} π^{-} ℓ^{+} ν_{ℓ}$ relative to $B \to \bar{D}^*\ell^+ν_\…

hep-ex2022★ 4 cited

Search for a heavy neutrino in $τ$ decays at Belle

Belle Collaboration, D. Liventsev, I. Adachi +189

We report on a search for a heavy neutrino in the decays $τ^{-} \to π^{-} ν_{h}$ , $ν_{h} \to π^{\pm} ℓ - +$ , $ℓ = e, μ$ . The results are obtained using the full data sample collected wit…

hep-ex2022★ 3 cited

Search for a light Higgs boson in single-photon decays of $Υ (1 S)$ using $Υ (2 S) \to π^{+} π^{-} Υ (1 S)$ tagging method

Belle Collaboration, S. Jia, C. P. Shen +210

We search for a light Higgs boson ( $A^{0}$ ) decaying into a $τ^{+} τ^{-}$ or $μ^{+} μ^{-}$ pair in the radiative decays of $Υ (1 S)$ . The production of $Υ (1 S)$ mesons is tagged by $Υ(2S)\to π^+…

hep-ex2021★ 7 cited

Measurement of the branching fraction of $Λ_{c}^{+} \to p ω$ decay at Belle

Belle Collaboration, S. X. Li, L. K. Li +193

Using 980.6 $f b^{- 1}$ of data collected with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present a measurement of the branching fraction of…

hep-ex2021

Evidence for the decay $Ω_{c}^{0} \to π^{+} Ω (2012)^{-} \to π^{+} (K ˉ Ξ)^{-}$

Belle Collaboration, Y. Li, S. S. Tang +190

Using a data sample of 980~fb $^{- 1}$ collected with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present evidence for the $Ω (2012)^{-}$ in the res…

hep-ex2021★ 3 cited

Search for the Decay $B_{s}^{0} \to η^{'} η$

Belle Collaboration, N. K. Nisar, V. Savinov +197

We report the results of the first search for the decay $B_{s}^{0} \to η^{'} η$ using $121.4 fb^{- 1}$ of data collected at the $Υ (5 S)$ resonance with the Belle dete…

hep-ex2021★ 7 cited

Measurements of branching fractions and asymmetry parameters of $Ξ_{c}^{0} \to Λ K ˉ^{* 0}$ , $Ξ_{c}^{0} \to Σ^{0} K ˉ^{* 0}$ , and $Ξ_{c}^{0} \to Σ^{+} K^{*-}$ decays at Belle

Belle Collaboration, S. Jia, S. S. Tang +186

Using a data sample of 980 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we study the processes of $Ξ_{c}^{0} \to Λ K ˉ^{* 0}$ , $Ξ^0_c\to…

hep-ex2021★ 41 cited

Measurements of the branching fractions of the semileptonic decays $Ξ_{c}^{0} \to Ξ^{-} ℓ^{+} ν_{ℓ}$ and the asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{-} π^{+}$

Belle Collaboration, Y. B. Li, C. P. Shen +182

Using data samples of 89.5 and 711 fb $^{- 1}$ recorded at energies of $s = 10.52$ and $10.58$ GeV, respectively, with the Belle detector at the KEKB $e^{+} e^{-}$ collider, we repor…

hep-ex2020★ 3 cited

Search for the dark photon in $B^{0} \to A^{'} A^{'}$ , $A^{'} \to e^{+} e^{-}$ , $μ^{+} μ^{-}$ , and $π^{+} π^{-}$ decays at Belle

S. -H. Park, Y. -J. Kwon, I. Adachi +216

We present a search for the dark photon $A^{'}$ in the $B^{0} \to A^{'} A^{'}$ decays, where $A^{'}$ subsequently decays to $e^{+} e^{-}$ , $μ^{+} μ^{-}$ , and $π^{+} π^{-}$ . T…

hep-ex2020★ 6 cited

Measurement of time-dependent CP violation parameters in $B^{0} \to K_{0}^{S} K_{0}^{S} K_{0}^{S}$ decays at Belle

Belle Collaboration, K. H. Kang, H. Park +202

We measure the time-dependent $C P$ violation parameters in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ decays using $772 \times 1 0^{6}$ $B {\mkern 1.5mu\overline{\mkern-1.5mu B \mkern-…

hep-ex2020★ 21 cited

Measurement of Branching Fractions of $Λ_{c}^{+} \to η Λ π^{+}$ , $η Σ^{0} π^{+}$ , $Λ (1670) π^{+}$ , and $η Σ (1385)^{+}$

J. Y. Lee, K. Tanida, Y. Kato +200

We report branching fraction measurements of four decay modes of the $Λ_{c}^{+}$ baryon, each of which includes an $η$ meson and a $Λ$ baryon in the final state, and all of which a…

hep-ex2020★ 6 cited

Measurement of two-particle correlations in hadronic $e^{+} e^{-}$ collisions at Belle

Belle Collaboration, A. Abdesselam, I. Adachi +459

The enhancement of charged-particle pairs with large pseudorapidity difference and small azimuthal angle difference, often referred to as the ``ridge signal'', is a phenomenon wide…

hep-ex2019★ 2 cited

Study of $B \to p p ˉ π π$

K. Chu, M. -Z. Wang, I. Adachi +174

Using a data sample of $772 \times 1 0^{6}$ BB pairs collected on the $Υ (4 S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we report the observat…

Measurement of the inclusive branching fractions for Bs0​ decays into D mesons via hadronic tagging

Study of χbJ​(2P)→ωΥ(1S) at Belle

Search for baryon and lepton number violating decays D→pℓ

Search for CP violation using T-odd correlations in D(s)+​→K+K−π+π0, D(s)+​→K+π−π+π0, and D+→K−π+π+π0 decays

Evidence for B0→pΣˉ0π− at Belle

Search for the double-charmonium state with ηc​J/ψ at Belle

First Simultaneous Determination of Inclusive and Exclusive ∣Vub​∣

Study of the muon decay-in-flight in the τ−→μ−νˉμ​ντ​ decay to measure the Michel parameter ξ′

Study of the lineshape of X(3872) using B decays to D0D∗0K

Measurement of Differential Distributions of B→D∗ℓνˉℓ​ and Implications on ∣Vcb​∣

First measurement of the Q^2 distribution of X(3915) single-tag two-photon production

First observation of B→Dˉ1​(→Dˉπ+π−)ℓ+νℓ​ and measurement of the B→Dˉ(∗)πℓ+νℓ​ and B→Dˉ(∗)π+π−ℓ+νℓ​ branching fractions with hadronic tagging at Belle

Search for a heavy neutrino in τ decays at Belle

Search for a light Higgs boson in single-photon decays of Υ(1S) using Υ(2S)→π+π−Υ(1S) tagging method

Measurement of the branching fraction of Λc+​→pω decay at Belle

Evidence for the decay Ωc0​→π+Ω(2012)−→π+(KˉΞ)−

Search for the Decay Bs0​→η′η

Measurements of branching fractions and asymmetry parameters of Ξc0​→ΛKˉ∗0, Ξc0​→Σ0Kˉ∗0, and Ξc0​→Σ+K∗− decays at Belle

Measurements of the branching fractions of the semileptonic decays Ξc0​→Ξ−ℓ+νℓ​ and the asymmetry parameter of Ξc0​→Ξ−π+

Search for the dark photon in B0→A′A′, A′→e+e−, μ+μ−, and π+π− decays at Belle

Measurement of time-dependent CP violation parameters in B0→K0S​K0S​K0S​ decays at Belle

Measurement of Branching Fractions of Λc+​→ηΛπ+, ηΣ0π+, Λ(1670)π+, and ηΣ(1385)+

Measurement of two-particle correlations in hadronic e+e− collisions at Belle

Study of B→ppˉ​ππ

Measurement of the inclusive branching fractions for $B_{s}^{0}$ decays into $D$ mesons via hadronic tagging

Study of $χ_{b J} (2 P) \to ω Υ (1 S)$ at Belle

Search for baryon and lepton number violating decays $D \to p ℓ$

Search for $C P$ violation using $T$ -odd correlations in $D_{(s)}^{+} \to K^{+} K^{-} π^{+} π^{0}$ , $D_{(s)}^{+} \to K^{+} π^{-} π^{+} π^{0}$ , and $D^{+} \to K^{-} π^{+} π^{+} π^{0}$ decays

Evidence for $B^{0} \to p Σ ˉ^{0} π^{-}$ at Belle

Search for the double-charmonium state with $η_{c} J / ψ$ at Belle

First Simultaneous Determination of Inclusive and Exclusive $∣ V_{u b} ∣$

Study of the muon decay-in-flight in the $τ^{-} \to μ^{-} ν ˉ_{μ} ν_{τ}$ decay to measure the Michel parameter $ξ^{'}$

Study of the lineshape of $X (3872)$ using $B$ decays to $D^{0} D^{* 0} K$

Measurement of Differential Distributions of $B \to D^{*} ℓ ν ˉ_{ℓ}$ and Implications on $∣ V_{c b} ∣$

First observation of $B \to D ˉ_{1} (\to D ˉ π^{+} π^{-}) ℓ^{+} ν_{ℓ}$ and measurement of the $B \to D ˉ^{()} π ℓ^{+} ν_{ℓ}$ and $B \to D ˉ^{()} π^{+} π^{-} ℓ^{+} ν_{ℓ}$ branching fractions with hadronic tagging at Belle

Search for a heavy neutrino in $τ$ decays at Belle

Search for a light Higgs boson in single-photon decays of $Υ (1 S)$ using $Υ (2 S) \to π^{+} π^{-} Υ (1 S)$ tagging method

Measurement of the branching fraction of $Λ_{c}^{+} \to p ω$ decay at Belle

Evidence for the decay $Ω_{c}^{0} \to π^{+} Ω (2012)^{-} \to π^{+} (K ˉ Ξ)^{-}$

Search for the Decay $B_{s}^{0} \to η^{'} η$

Measurements of branching fractions and asymmetry parameters of $Ξ_{c}^{0} \to Λ K ˉ^{* 0}$ , $Ξ_{c}^{0} \to Σ^{0} K ˉ^{* 0}$ , and $Ξ_{c}^{0} \to Σ^{+} K^{*-}$ decays at Belle

Measurements of the branching fractions of the semileptonic decays $Ξ_{c}^{0} \to Ξ^{-} ℓ^{+} ν_{ℓ}$ and the asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{-} π^{+}$

Search for the dark photon in $B^{0} \to A^{'} A^{'}$ , $A^{'} \to e^{+} e^{-}$ , $μ^{+} μ^{-}$ , and $π^{+} π^{-}$ decays at Belle

Measurement of time-dependent CP violation parameters in $B^{0} \to K_{0}^{S} K_{0}^{S} K_{0}^{S}$ decays at Belle

Measurement of Branching Fractions of $Λ_{c}^{+} \to η Λ π^{+}$ , $η Σ^{0} π^{+}$ , $Λ (1670) π^{+}$ , and $η Σ (1385)^{+}$

Measurement of two-particle correlations in hadronic $e^{+} e^{-}$ collisions at Belle

Study of $B \to p p ˉ π π$