O. Grzymkowska

activity

20142021

R (D)

and

R (D^{*})

with a semileptonic tagging method

236 citations · 2k across the 62 of their papers we have counts for

collaborators

64 papers

hep-ex2021★ 15 cited

Search for $Z^{^{'}} \to μ^{+} μ^{-}$ in the $L_{μ} - L_{τ}$ gauge-symmetric model at Belle

T. Czank, I. Jaegle, A. Ishikawa +208

We search for a new gauge boson $Z^{'}$ that couples only to heavy leptons and their corresponding neutrinos in the process $e^{+} e^{-} \rightarrow Z'(\rightarrow μ^{+}μ^{-}) μ^{+}μ^…

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★ 25 cited

Measurements of the branching fractions of $Λ_{c}^{+} \to p η$ and $Λ_{c}^{+} \to p π^{0}$ decays at Belle

Belle Collaboration, S. X. Li, C. P. Shen +204

We report measurements of the branching fractions of singly Cabibbo-suppressed decays $Λ_{c}^{+} \to p η$ and $Λ_{c}^{+} \to p π^{0}$ using the full Belle data sample corresponding to an int…

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-ex2021

Measurement of Branching Fraction and Search for $C P$ Violation in $B \to ϕϕ K$

S. Mohanty, A. B. Kaliyar, V. Gaur +183

We report the measurement of branching fractions and $C P$ -violation asymmetries in $B \to ϕϕ K$ decays based on a $711 fb^{- 1}$ data sample containing $772 \times 1 0^{6}$ $B\bar{…

hep-ex2020★ 3 cited

Measurement of the Resonant and Non-Resonant Branching Ratios in $Ξ_{c}^{0} \to Ξ^{0} K^{+} K^{-}$

J. T. McNeil, J. Yelton, J. Bennett +192

Using the entire data sample of $980$ $f b^{- 1}$ integrated luminosity collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present an amplitude…

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-ex2020★ 20 cited

Evidence for a vector charmonium-like state in $e^{+} e^{-} \to D_{s}^{+} D_{s 2}^{*} (2573)^{-} + c . c .$

Belle Collaboration, S. Jia, C. P. Shen +173

We report the measurement of $e^{+} e^{-} \to D_{s}^{+} D_{s 2}^{*} (2573)^{-} + c . c .$ via initial-state radiation using a data sample of an integrated luminosity of 921.9 fb $^{- 1}$ collected with t…

hep-ex2020★ 5 cited

First search for the $η_{c 2} (1 D)$ in $B$ decays at Belle

Belle Collaboration, K. Chilikin, I. Adachi +194

The first dedicated search for the $η_{c 2} (1 D)$ is carried out using the decays $B^{+} \to η_{c 2} (1 D) K^{+}$ , $B^{0} \to η_{c 2} (1 D) K_{S}^{0}$ , $B^0 \rightarrow η_{c2}(1D) π^…

hep-ex2019★ 6 cited

Measurement of the charm-mixing parameter $y_{C P}$ in $D^{0} \to K_{S}^{0} ω$ decays at Belle

Belle Collaboration, M. Nayak, D. Cinabro +179

We report the first measurement of the charm-mixing parameter $y_{C P}$ in $D^{0}$ decays to the $C P$ -odd final state $K_{S}^{0} ω$ . The study uses the full Belle $e^{+} e^{-}$ annihila…

hep-ex2019★ 44 cited

Search for $B^{+} \to μ^{+} ν_{μ}$ and $B^{+} \to μ^{+} N$ with inclusive tagging

M. T. Prim, F. U. Bernlochner, P. Goldenzweig +191

We report the result for a search for the leptonic decay of $B^{+} \to μ^{+} ν_{μ}$ using the full Belle data set of 711 fb $^{- 1}$ of integrated luminosity at the $Υ (4 S)$ resonance.…

hep-ex2019★ 2 cited

Observation of the radiative decays of $Υ (1 S)$ to $χ_{c 1}$

P. Katrenko, I. Adachi, H. Aihara +166

We report the first observation of the radiative decay of the $Υ (1 S)$ into a charmonium state. The statistical significance of the observed signal of $Υ (1 S) \to γ χ_{c 1}$ is 6.3 sta…

hep-ex2019★ 236 cited

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

The Belle Collaboration, G. Caria, P. Urquijo +188

The experimental results on the ratios of branching fractions $R (D) = B (B ˉ \to D τ^{-} ν ˉ_{τ}) / B (B ˉ \to D ℓ^{-} ν ˉ_{ℓ})$ and $\mathcal{R}(D^…

hep-ex2019★ 7 cited

Observation of $τ^{-} \to π^{-} ν_{τ} e^{+} e^{-}$ and search for $τ^{-} \to π^{-} ν_{τ} μ^{+} μ^{-}$

Belle Collaboration, Y. Jin, H. Aihara +195

We present the first measurements of branching fractions of rare tau-lepton decays, $τ^{-} \to π^{-} ν_{τ} ℓ^{+} ℓ^{-}$ ( $ℓ = e$ or $μ$ ), using a data sample corresponding t…

hep-ex2019

Experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$

The Belle Collaboration, A. Abdesselam, I. Adachi +454

We report an experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$ using 980 fb $^{- 1}$ data in the $e^{+} e^{-}$ annihilation around $s = 10.6$ GeV collected by…

hep-ex2019★ 134 cited

Test of lepton flavor universality and search for lepton flavor violation in $B \to K ℓℓ$ decays

S. Choudhury, S. Sandilya, K. Trabelsi +220

We present measurements of the branching fractions for the decays $B \to K μ^{+} μ^{-}$ and $B \to K e^{+} e^{-}$ , and their ratio ( $R_{K}$ ), using a data sample of 711 $f b^{- 1}$ that…

hep-ex2019★ 38 cited

Search for $Ω (2012) \to K Ξ (1530) \to K π Ξ$ at Belle

Belle Collaboration, S. Jia, C. P. Shen +192

Using data samples of $e^{+} e^{-}$ collisions collected at the $Υ (1 S)$ , $Υ (2 S)$ , and $Υ (3 S)$ resonances with the Belle detector, we search for the three-body decay of the $Ω (2012)$ bar…

hep-ex2019★ 16 cited

Search for $X (3872)$ and $X (3915)$ decay into $χ_{c 1} π^{0}$ in $B$ decays at Belle

V. Bhardwaj, S. Jia, I. Adachi +190

The Belle experiment searched for the exotic states X(3872) and X(3915) decaying to χc1 π0 in B⁺ → χc1 π0 K⁺ decays and set upper limits on the product branching fractions.

hep-ex2019★ 4 cited

Search for $B^{0} \to X (3872) γ$

Belle Collaboration, P. -C. Chou, P. Chang +191

We report the results of a search for the decay $B^{0} \to X (3872) (\to J / ψ π^{+} π^{-}) γ$ . The analysis is performed on a data sample corresponding to an integrated luminosity of $711\,{…

hep-ex2019★ 31 cited

Observation of a new structure near 10.75 GeV in the energy dependence of the $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n = 1, 2, 3$ ) cross sections

R. Mizuk, A. Bondar, I. Adachi +177

We report a new measurement of the $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n = 1, 2, 3$ ) cross sections at energies from 10.52 to 11.02 GeV using data collected with the Belle detector at the KEKB as…

hep-ex2019★ 68 cited

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

The Belle Collaboration, A. Abdesselam, I. Adachi +461

We report a measurement of the ratios of branching fractions $R (D) = B (B ˉ \to D τ^{-} ν ˉ_{τ}) / B (B ˉ \to D ℓ^{-} ν ˉ_{ℓ})$ and $\mathcal{R}(D^{…

hep-ex2019★ 33 cited

First measurements of absolute branching fractions of the $Ξ_{c}^{+}$ baryon at Belle

Belle Collaboration, Y. B. Li, C. P. Shen +192

We present the first measurements of the absolute branching fractions of $Ξ_{c}^{+}$ decays into $Ξ^{-} π^{+} π^{+}$ and $p K^{-} π^{+}$ final states. Our analysis is based on a data set of $(77…

hep-ex2019★ 170 cited

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle

Belle Collaboration, S. Wehle, I. Adachi +179

We present a measurement of $R_{K^{*}}$ , the branching fraction ratio $B (B \to K^{*} μ^{+} μ^{-})$ / $B (B \to K^{*} e^{+} e^{-})$ , for both charged and neutral $B$ meso…

Search for Z′→μ+μ− in the Lμ​−Lτ​ gauge-symmetric model at Belle

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 Λc+​→pη and Λc+​→pπ0 decays at Belle

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

Measurement of Branching Fraction and Search for CP Violation in B→ϕϕK

Measurement of the Resonant and Non-Resonant Branching Ratios in Ξc0​→Ξ0K+K−

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

Evidence for a vector charmonium-like state in e+e−→Ds+​Ds2∗​(2573)−+c.c.

First search for the ηc2​(1D) in B decays at Belle

Measurement of the charm-mixing parameter yCP​ in D0→KS0​ω decays at Belle

Search for B+→μ+νμ​ and B+→μ+N with inclusive tagging

Observation of the radiative decays of Υ(1S) to χc1​

Measurement of R(D) and R(D∗) with a semileptonic tagging method

Observation of τ−→π−ντ​e+e− and search for τ−→π−ντ​μ+μ−

Experimental determination of the isospin of Λc​(2765)+/Σc​(2765)+

Test of lepton flavor universality and search for lepton flavor violation in B→Kℓℓ decays

Search for Ω(2012)→KΞ(1530)→KπΞ at Belle

Search for X(3872) and X(3915) decay into χc1​π0 in B decays at Belle

Search for B0→X(3872)γ

Observation of a new structure near 10.75 GeV in the energy dependence of the e+e−→Υ(nS)π+π− (n=1,2,3) cross sections

Measurement of R(D) and R(D∗) with a semileptonic tagging method

First measurements of absolute branching fractions of the Ξc+​ baryon at Belle

Test of lepton-flavor universality in B→K∗ℓ+ℓ− decays at Belle

Search for $Z^{^{'}} \to μ^{+} μ^{-}$ in the $L_{μ} - L_{τ}$ gauge-symmetric model at Belle

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 $Λ_{c}^{+} \to p η$ and $Λ_{c}^{+} \to p π^{0}$ 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 $Ξ_{c}^{0} \to Ξ^{-} π^{+}$

Measurement of Branching Fraction and Search for $C P$ Violation in $B \to ϕϕ K$

Measurement of the Resonant and Non-Resonant Branching Ratios in $Ξ_{c}^{0} \to Ξ^{0} K^{+} K^{-}$

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

Evidence for a vector charmonium-like state in $e^{+} e^{-} \to D_{s}^{+} D_{s 2}^{*} (2573)^{-} + c . c .$

First search for the $η_{c 2} (1 D)$ in $B$ decays at Belle

Measurement of the charm-mixing parameter $y_{C P}$ in $D^{0} \to K_{S}^{0} ω$ decays at Belle

Search for $B^{+} \to μ^{+} ν_{μ}$ and $B^{+} \to μ^{+} N$ with inclusive tagging

Observation of the radiative decays of $Υ (1 S)$ to $χ_{c 1}$

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

Observation of $τ^{-} \to π^{-} ν_{τ} e^{+} e^{-}$ and search for $τ^{-} \to π^{-} ν_{τ} μ^{+} μ^{-}$

Experimental determination of the isospin of $Λ_{c} (2765)^{+} / Σ_{c} (2765)^{+}$

Test of lepton flavor universality and search for lepton flavor violation in $B \to K ℓℓ$ decays

Search for $Ω (2012) \to K Ξ (1530) \to K π Ξ$ at Belle

Search for $X (3872)$ and $X (3915)$ decay into $χ_{c 1} π^{0}$ in $B$ decays at Belle

Search for $B^{0} \to X (3872) γ$

Observation of a new structure near 10.75 GeV in the energy dependence of the $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n = 1, 2, 3$ ) cross sections

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

First measurements of absolute branching fractions of the $Ξ_{c}^{+}$ baryon at Belle

Test of lepton-flavor universality in $B \to K^{*} ℓ^{+} ℓ^{-}$ decays at Belle