M. Nayak

activity

20122026

e^{+} e^{-} \to π^{+} π^{-} J / ψ

and Observation of a Charged Charmonium-like State at Belle

739 citations · 8.3k across the 289 of their papers we have counts for

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34 papers · 1 filter

hep-ex2021★ 1 cited

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

Belle Collaboration, B. Bhuyan, K. J. Nath +184

We report results from a 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 detector at the KEKB asymmetric-e…

hep-ex2021★ 10 cited

Measurements of the branching fractions of $Ξ_{c}^{0} \to Λ K_{S}^{0}$ , $Ξ_{c}^{0} \to Σ^{0} K_{S}^{0}$ , and $Ξ_{c}^{0} \to Σ^{+} K^{-}$ decays at Belle

Belle collaboration, Y. Li, J. X. Cui +213

Using the entire data sample of $980 fb^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we present measurements of the branching f…

hep-ex2021★ 24 cited

First test of Lepton Flavor Universality in the charmed baryon decays $Ω_{c}^{0} \to Ω^{-} ℓ^{+} ν_{ℓ}$ using data of the Belle experiment

Belle Collaboration, Y. B. Li, C. P. Shen +203

We present the first observation of the $Ω_{c}^{0} \to Ω^{-} μ^{+} ν_{μ}$ decay and present measurements of the branching fraction ratios of the $Ω_{c}^{0} \to Ω^{-} \ell^{+} ν_{\ell…

hep-ex2021★ 2 cited

Measurement of the branching fraction and $C P$ asymmetry for $B \to D ˉ^{0} π$ decays

Belle Collaboration, T. Bloomfield, M. E. Sevior +212

We measure the branching fractions and $C P$ asymmetries for the decays $B^{0} \to D ˉ^{0} π^{0}$ and $B^{+} \to D ˉ^{0} π^{+}$ , using a data sample of $772 \times 1 0^{6}$ $B\bar…

hep-ex2021

Exclusive $B \to X_{u} ℓ ν_{ℓ}$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. Abudinén, I. Adachi +565

We present a reconstruction in early data of the semileptonic decay $B^{+} \to π^{0} ℓ^{+} ν_{ℓ}$ , and first results of a reconstruction of the decays $B^{+} \to ρ^{0} ℓ^{+} ν_{ℓ}$ and…

hep-ex2021★ 17 cited

Search for $B^{0}$ meson decays into $Λ$ and missing energy with a hadronic tagging method at Belle

Belle Collaboration, C. Hadjivasiliou, B. G. Fulsom +166

We present a search for the decays of $B^{0}$ mesons into a final state containing a $Λ$ baryon and missing energy. These results are obtained from a $711 fb^{- 1}$ data sample…

hep-ex2021

Measurements of the branching fractions for $B \to K^{*} γ$ decays at Belle II

F. Abudinén, I. Adachi, R. Adak +565

This paper reports a study of $B \to K^{*} γ$ decays using $62.8 \pm 0.6$ fb $^{- 1}$ of data collected during 2019--2020 by the Belle II experiment at the SuperKEKB $e^{+} e^{-}$ asymm…

hep-ex2021

Combined analysis of Belle and Belle II data to determine the CKM angle $ϕ_{3}$ using $B^{+} \to D (K_{S}^{0} h^{-} h^{+}) h^{+}$ decays

Belle, Belle II Collaborations, : +319

We present a measurement of the Cabibbo-Kobayashi-Maskawa unitarity triangle angle $ϕ_{3}$ (also known as~ $γ$ ) using a model-independent Dalitz plot analysis of \linebreak $B^+\t…

hep-ex2021

Angular analysis of $B^{+} \to ρ^{+} ρ^{0}$ decays reconstructed in 2019-2020 Belle II data

Belle II collaboration, F. Abudinén, I. Adachi +549

We report on the first Belle II measurement of the branching fraction ( $B$ ) and longitudinal polarization fraction ( $f_{L}$ ) of $B^{+} \to ρ^{+} ρ^{0}$ decays. We reconstruct $B^+\…

hep-ex2021

Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless $B$ decays reconstructed in 2019-2020 Belle II data

Belle II collaboration, F. Abudinén, I. Adachi +549

We report on measurements of branching fractions ( $B$ ) and CP-violating charge asymmetries ( $A_{CP}$ ) of multibody charmless $B$ decays reconstructed by the…

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

Search for $B^{0} \to τ^{\pm} ℓ^{\mp}$ ( $ℓ = e, μ$ ) with a hadronic tagging method at Belle

Belle Collaboration, H. Atmacan, A. J. Schwartz +219

We present a search for the lepton-flavor-violating decays $B^{0} \to τ^{\pm} ℓ^{\mp}$ , where $ℓ = (e, μ)$ , using the full data sample of $772 \times 1 0^{6}$ $B B$ pairs…

hep-ex2021★ 26 cited

An improved search for the electric dipole moment of the $τ$ lepton

K. Inami, K. Hayasaka, I. Adachi +181

We report a measurement of the electric dipole moment of the $τ$ lepton ( $d_{τ}$ ) using an 833~fb $^{- 1}$ data sample collected near the $Υ (4 S)$ resonance, with the Belle detector at…

hep-ex2021★ 9 cited

Measurement of the Masses and Widths of the $Σ_{c} (2455)^{+}$ and $Σ_{c} (2520)^{+}$ Baryons

Belle Collaboration, J. Yelton, I. Adachi +205

Using 980 $fb^{- 1}$ of data {collected} with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we report the measurements of the masses, and the f…

hep-ex2021

Measurement of the branching fraction for $B^{0} \to π^{0} π^{0}$ decays reconstructed in 2019-2020 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +551

We report the first reconstruction of the $B^{0} \to π^{0} π^{0}$ decay mode at Belle II using samples of 2019 and 2020 data that correspond to 62.8 fb $^{- 1}$ of integrated luminos…

hep-ex2021

Rediscovery of $B^{0} \to J / ψ K_{L}^{0}$ at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +545

We present preliminary results on the reconstruction of the $B^{0} \to J / ψ K_{L}^{0}$ decay, where $J / ψ \to μ^{+} μ^{-}$ or $e^+e…

hep-ex2021★ 1 cited

Measurements of branching fractions and direct CP asymmetries in $B^{0} \to K^{+} π^{-}$ , $B^{+} \to K_{S}^{0} π^{+}$ and $B^{0} \to π^{+} π^{-}$ using 2019 and 2020 data

Belle II Collaboration, F. Abudinén, I. Adachi +549

We report updated measurements of branching fractions ( $B$ ) and CP-violating charge asymmetries ( $A_{CP}$ ) for charmless $B$ decays at Belle II, which opera…

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★ 2 cited

Measurement of $B$ ( $B_{s} \to D_{s} X$ ) with $B_{s}$ Semileptonic Tagging

B. Wang, K. Kinoshita, H. Aihara +153

We report the first direct measurement of the inclusive branching fraction $B (B_{s} \to D_{s} X)$ via $B_{s}$ tagging in $e^{+} e^{-} \to Υ$ (5S) events. Tagging is accomplish…

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★ 5 cited

Measurement of branching fractions and search for $C P$ violation in $D^{0} \to π^{+} π^{-} η$ , $D^{0} \to K^{+} K^{-} η$ , and $D^{0} \to ϕ η$ at Belle

Belle Collaboration, L. K. Li, A. J. Schwartz +187

We measure the branching fractions and $C P$ asymmetries for the singly Cabibbo-suppressed decays $D^{0} \to π^{+} π^{-} η$ , $D^{0} \to K^{+} K^{-} η$ , and $D^{0} \to ϕ η$ , using 980 fb$^{-1}…

hep-ex2021

Measurement of the time-integrated mixing probability $χ_{d}$ with a semileptonic double-tagging strategy and $34.6 fb^{- 1}$ of Belle II collision data

Belle II Collaboration, F. Abudinén, I. Adachi +550

We present the first measurement of the time-integrated mixing probability $χ_{d}$ using Belle II data collected at a center-of-mass (CM) energy of 10.58 GeV, corresponding to the ma…

hep-ex2021

Measurement of the branching fractions of $B \to η^{'} K$ decays using 2019/2020 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +545

This note describes the rediscovery of $B \to η^{'} K$ decays in Belle II data, both in the charged and neutral final state: $B_{0} \to η^{'} K_{S}$ and $B^{\pm} \to η^{'} K^{\pm}$ . The $η^{'}$ is searched…

hep-ex2021★ 1 cited

Measurements of branching fractions and direct $CP$ -violating asymmetries in $B^+ \to K^+ π^0~\mbox{and}~π^+ π^0$ decays using 2019 and 2020 Belle II data

F. Abudinén, I. Adachi, R. Adak +549

We report measurements of branching fractions ( $B$ ) and direct $CP$ -violating asymmetries ( $A_{CP}$ ) for the decays $B^{+} \to K^{+} π^{0}$ and $B^{+} \to π^{+} π^{0}$ …

Search for the decay Bs0​→ηη

Measurements of the branching fractions of Ξc0​→ΛKS0​, Ξc0​→Σ0KS0​, and Ξc0​→Σ+K− decays at Belle

First test of Lepton Flavor Universality in the charmed baryon decays Ωc0​→Ω−ℓ+νℓ​ using data of the Belle experiment

Measurement of the branching fraction and CP asymmetry for B→Dˉ0π decays

Exclusive B→Xu​ℓνℓ​ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb−1 of Belle II Data

Search for B0 meson decays into Λ and missing energy with a hadronic tagging method at Belle

Measurements of the branching fractions for B→K∗γ decays at Belle II

Combined analysis of Belle and Belle II data to determine the CKM angle ϕ3​ using B+→D(KS0​h−h+)h+ decays

Angular analysis of B+→ρ+ρ0 decays reconstructed in 2019-2020 Belle II data

Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless B decays reconstructed in 2019-2020 Belle II data

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

Search for B0→τ±ℓ∓ (ℓ=e,μ) with a hadronic tagging method at Belle

An improved search for the electric dipole moment of the τ lepton

Measurement of the Masses and Widths of the Σc​(2455)+ and Σc​(2520)+ Baryons

Measurement of the branching fraction for B0→π0π0 decays reconstructed in 2019-2020 Belle II data

Rediscovery of B0→J/ψKL0​ at Belle II

Measurements of branching fractions and direct CP asymmetries in B0→K+π−, B+→KS0​π+ and B0→π+π− using 2019 and 2020 data

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

Measurement of B(Bs​→Ds​X) with Bs​ Semileptonic Tagging

Search for the Decay Bs0​→η′η

Measurement of branching fractions and search for CP violation in D0→π+π−η, D0→K+K−η, and D0→ϕη at Belle

Measurement of the time-integrated mixing probability χd​ with a semileptonic double-tagging strategy and 34.6fb−1 of Belle II collision data

Measurement of the branching fractions of B→η′K decays using 2019/2020 Belle II data

Measurements of branching fractions and direct CP-violating asymmetries in $B^+ \to K^+ π^0~\mbox{and}~π^+ π^0$ decays using 2019 and 2020 Belle II data

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

Measurements of the branching fractions of $Ξ_{c}^{0} \to Λ K_{S}^{0}$ , $Ξ_{c}^{0} \to Σ^{0} K_{S}^{0}$ , and $Ξ_{c}^{0} \to Σ^{+} K^{-}$ decays at Belle

First test of Lepton Flavor Universality in the charmed baryon decays $Ω_{c}^{0} \to Ω^{-} ℓ^{+} ν_{ℓ}$ using data of the Belle experiment

Measurement of the branching fraction and $C P$ asymmetry for $B \to D ˉ^{0} π$ decays

Exclusive $B \to X_{u} ℓ ν_{ℓ}$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb $^{- 1}$ of Belle II Data

Search for $B^{0}$ meson decays into $Λ$ and missing energy with a hadronic tagging method at Belle

Measurements of the branching fractions for $B \to K^{*} γ$ decays at Belle II

Combined analysis of Belle and Belle II data to determine the CKM angle $ϕ_{3}$ using $B^{+} \to D (K_{S}^{0} h^{-} h^{+}) h^{+}$ decays

Angular analysis of $B^{+} \to ρ^{+} ρ^{0}$ decays reconstructed in 2019-2020 Belle II data

Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless $B$ decays reconstructed in 2019-2020 Belle II data

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

Search for $B^{0} \to τ^{\pm} ℓ^{\mp}$ ( $ℓ = e, μ$ ) with a hadronic tagging method at Belle

An improved search for the electric dipole moment of the $τ$ lepton

Measurement of the Masses and Widths of the $Σ_{c} (2455)^{+}$ and $Σ_{c} (2520)^{+}$ Baryons

Measurement of the branching fraction for $B^{0} \to π^{0} π^{0}$ decays reconstructed in 2019-2020 Belle II data

Rediscovery of $B^{0} \to J / ψ K_{L}^{0}$ at Belle II

Measurements of branching fractions and direct CP asymmetries in $B^{0} \to K^{+} π^{-}$ , $B^{+} \to K_{S}^{0} π^{+}$ and $B^{0} \to π^{+} π^{-}$ using 2019 and 2020 data

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

Measurement of $B$ ( $B_{s} \to D_{s} X$ ) with $B_{s}$ Semileptonic Tagging

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

Measurement of branching fractions and search for $C P$ violation in $D^{0} \to π^{+} π^{-} η$ , $D^{0} \to K^{+} K^{-} η$ , and $D^{0} \to ϕ η$ at Belle

Measurement of the time-integrated mixing probability $χ_{d}$ with a semileptonic double-tagging strategy and $34.6 fb^{- 1}$ of Belle II collision data

Measurement of the branching fractions of $B \to η^{'} K$ decays using 2019/2020 Belle II data

Measurements of branching fractions and direct $CP$ -violating asymmetries in $B^+ \to K^+ π^0~\mbox{and}~π^+ π^0$ decays using 2019 and 2020 Belle II data