D. Narwal

activity

20212024

most citedFirst test of Lepton Flavor Universality in the charmed baryon decays

Ω_{c}^{0} \to Ω^{-} ℓ^{+} ν_{ℓ}

using data of the Belle experiment

24 citations · 130 across the 26 of their papers we have counts for

collaborators

Showing 2023Show all

16 papers · 1 filter

hep-ex2023

Search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at $s = 10.745 GeV$

Belle II Collaboration, I. Adachi, L. Aggarwal +419

We search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at a center-of-mass energy of 10.745 GeV, which is close to the peak of the $Υ (10753)$ state. We use data…

hep-ex2023

Measurement of Angular Coefficients of $B ˉ \to D^{*} ℓ ν ˉ_{ℓ}$ : Implications for $∣ V_{c b} ∣$ and Tests of Lepton Flavor Universality

Belle Collaboration, M. T. Prim, F. Bernlochner +158

We measure the complete set of angular coefficients $J_{i}$ for exclusive $B ˉ \to D^{*} ℓ ν ˉ_{ℓ}$ decays ( $ℓ = e, μ$ ). Our analysis uses the full $711 fb^{- 1}$ …

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

Observation of charmed strange meson pair production in $Υ (2 S)$ decays and in $e^{+} e^{-}$ annihilation at $s = 10.52 GeV$

Belle Collaboration, B. S. Gao, W. J. Zhu +165

We observe the process $Υ (2 S) \to D_{s}^{(*) +} D_{s J}^{-}$ and continuum production $e^{+} e^{-} \to D_{s}^{(*) +} D_{s J}^{-}$ at $s = 10.52$ GeV (and their charge conjugates) using the…

hep-ex2023★ 10 cited

Search for a $τ^{+} τ^{-}$ resonance in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events with the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +464

We report the first search for a non-standard-model resonance decaying into $τ$ pairs in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events in the 3.6-10 GeV/ $c^{2}$ mass range. We u…

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

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} ϕ$ decays in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +575

We report a search for lepton-flavor-violating decays $τ^{-} \to ℓ^{-} ϕ$ ( $ℓ^{-} = e^{-}, μ^{-}$ ) at the Belle II experiment, using a sample of electron-positron data produced at the Su…

hep-ex2023★ 2 cited

Observation of $B \to D^{(*)} K^{-} K_{S}^{0}$ decays using the 2019-2022 Belle II data sample

Belle II Collaboration, F. Abudinén, I. Adachi +575

We present a measurement of the branching fractions of four $B^{0, -} \to D^{(*) +, 0} K^{-} K_{S}^{0}$ decay modes. The measurement is based on data from SuperKEKB electron-positron colli…

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★ 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★ 6 cited

Measurement of the branching fraction and $CP$ asymmetry of $B^{0} \to π^{0} π^{0}$ decays using $198 \times 1 0^{6}$ $B B$ pairs in Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +425

We report measurements of the branching fraction and $CP$ asymmetry in $B^{0} \to π^{0} π^{0}$ decays reconstructed at Belle II in an electron-positron collision sample contain…

hep-ex2023★ 10 cited

Measurement of the $B^{0}$ lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +393

We measure the $B^{0}$ lifetime and flavor-oscillation frequency using $B^{0} \to D^{(*) -} π^{+}$ decays collected by the Belle II experiment in asymmetric-energy $e^{+} e^{-}$ collisions produ…

hep-ex2023★ 10 cited

Measurement of decay-time-dependent $CP$ violation in $B^{0} \to J / ψ K_{S}^{0}$ decays using 2019-2021 Belle II data

Belle II Collaboration, I. Adachi, L. Aggarwal +392

We report a measurement of the mixing-induced and direct $CP$ violation parameters $S_{CP}$ and $A_{CP}$ from $B^{0} \to J / ψ K_{S}^{0}$ decays reconstructed by the…

hep-ex2023★ 2 cited

Search for the decay $B_{s}^{0} \to π^{0} π^{0}$ at Belle

Belle Collaboration, J. Borah, B. Bhuyan +211

We report the results of the first search for the decay $B_{s}^{0} \to π^{0} π^{0}$ using $121.4 f b^{- 1}$ of data collected at the $Υ (5 S)$ resonance with the Belle detector a…

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-ex2023★ 19 cited

A test of light-lepton universality in the rates of inclusive semileptonic $B$ -meson decays at Belle II

Belle II Collaboration, L. Aggarwal, H. Ahmed +349

We present the first measurement of the ratio of branching fractions of inclusive semileptonic $B$ -meson decays, $R(X_{e/μ}) = \mathcal{B}(B\to X \, e \, ν) / \mathcal{B}(B\to X \,…

Search for the e+e−→ηb​(1S)ω and e+e−→χb0​(1P)ω processes at s​=10.745GeV

Measurement of Angular Coefficients of Bˉ→D∗ℓνˉℓ​: Implications for ∣Vcb​∣ and Tests of Lepton Flavor Universality

Search for baryon and lepton number violating decays D→pℓ

Observation of charmed strange meson pair production in Υ(2S) decays and in e+e− annihilation at s​=10.52 GeV

Search for a τ+τ− resonance in e+e−→μ+μ−τ+τ− events with the Belle II experiment

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

Search for lepton-flavor-violating τ−→ℓ−ϕ decays in 2019-2021 Belle II data

Observation of B→D(∗)K−KS0​ decays using the 2019-2022 Belle II data sample

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

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

Measurement of the branching fraction and CP asymmetry of B0→π0π0 decays using 198×106 BB pairs in Belle II data

Measurement of the B0 lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019-2021 Belle II data

Measurement of decay-time-dependent CP violation in B0→J/ψKS0​ decays using 2019-2021 Belle II data

Search for the decay Bs0​→π0π0 at Belle

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

A test of light-lepton universality in the rates of inclusive semileptonic B-meson decays at Belle II

Search for the $e^{+} e^{-} \to η_{b} (1 S) ω$ and $e^{+} e^{-} \to χ_{b 0} (1 P) ω$ processes at $s = 10.745 GeV$

Measurement of Angular Coefficients of $B ˉ \to D^{*} ℓ ν ˉ_{ℓ}$ : Implications for $∣ V_{c b} ∣$ and Tests of Lepton Flavor Universality

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

Observation of charmed strange meson pair production in $Υ (2 S)$ decays and in $e^{+} e^{-}$ annihilation at $s = 10.52 GeV$

Search for a $τ^{+} τ^{-}$ resonance in $e^{+} e^{-} \to μ^{+} μ^{-} τ^{+} τ^{-}$ events with the Belle II experiment

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

Search for lepton-flavor-violating $τ^{-} \to ℓ^{-} ϕ$ decays in 2019-2021 Belle II data

Observation of $B \to D^{(*)} K^{-} K_{S}^{0}$ decays using the 2019-2022 Belle II data sample

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

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

Measurement of the branching fraction and $CP$ asymmetry of $B^{0} \to π^{0} π^{0}$ decays using $198 \times 1 0^{6}$ $B B$ pairs in Belle II data

Measurement of the $B^{0}$ lifetime and flavor-oscillation frequency using hadronic decays reconstructed in 2019-2021 Belle II data

Measurement of decay-time-dependent $CP$ violation in $B^{0} \to J / ψ K_{S}^{0}$ decays using 2019-2021 Belle II data

Search for the decay $B_{s}^{0} \to π^{0} π^{0}$ at Belle

A test of light-lepton universality in the rates of inclusive semileptonic $B$ -meson decays at Belle II