O. Hartbrich

activity

20122026

most citedThe Belle II Physics Book

570 citations · 2k across the 113 of their papers we have counts for

collaborators

Showing 2021Show all

37 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…

physics.ins-det2021★ 24 cited

Measurements of Beam Backgrounds in SuperKEKB Phase 2

Zachary J. Liptak, Antonio Paladino, Luka Santelj +66

The high design luminosity of the SuperKEKB electron-positron collider will result in challenging levels of beam-induced backgro\ unds in the interaction region. Understanding and…

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★ 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★ 9 cited

Study of $B^{0} \to D^{+} h^{-} (h = K / π)$ decays at Belle

Belle Collaboration, E. Waheed, P. Urquijo +205

We present a measurement of the branching fractions of the Cabibbo favored $B^{0} \to D^{+} π^{-}$ and the Cabibbo suppressed $\overline{B}{}^0\rightarrow D^{+}K^{…

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

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★ 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

Measurements of $q^{2}$ Moments of Inclusive $B \to X_{c} ℓ^{+} ν_{ℓ}$ Decays with Hadronic Tagging

Belle Collaboration, R. van Tonder, L. Cao +202

We present the measurement of the first to fourth order moments of the four-momentum transfer squared, $q^{2}$ , of inclusive $B \to X_{c} ℓ^{+} ν_{ℓ}$ decays using the full…

hep-ex2021★ 1 cited

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

Belle Collaboration, A. Abdesselam, I. Adachi +470

We report results from a study of hadronic transitions of the $χ_{b J} (n P)$ states of bottomonium at Belle. The $P$ -wave states are reconstructed in transitions to the $Υ (1 S)$ with…

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★ 11 cited

Precise measurement of the $D^{0}$ and $D^{+}$ lifetimes at Belle II

Belle II collaboration, F. Abudinén, I. Adachi +385

We report a measurement of the $D^{0}$ and $D^{+}$ lifetimes using $D^{0} \to K^{-} π^{+}$ and $D^{+} \to K^{-} π^{+} π^{+}$ decays reconstructed in $e^{+} e^{-} \to c c ˉ$ data recorded by the Belle II exp…

hep-ex2021★ 7 cited

Measurement of Differential Branching Fractions of Inclusive $B \to X_{u} ℓ^{+} ν_{ℓ}$ Decays

Belle Collaboration, L. Cao, W. Sutcliffe +198

The first measurements of differential branching fractions of inclusive semileptonic $B \to X_{u} ℓ^{+} ν_{ℓ}$ decays are performed using the full Belle data set of 711 fb…

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★ 3 cited

Search for the $η_{c 2} (1 D)$ in $e^{+} e^{-} \to γ η_{c 2} (1 D)$ at $s$ near 10.6 GeV at Belle

Belle Collaboration, S. Jia, C. P. Shen +198

For the first time we search for the $η_{c 2} (1 D)$ in $e^{+} e^{-} \to γ η_{c 2} (1 D)$ at $s$ = 10.52, 10.58, and 10.867 GeV with data samples of 89.5 fb $^{- 1}$ , 711 fb $^{- 1}$ , and 121…

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★ 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…

Search for the decay Bs0​→ηη

Measurements of Beam Backgrounds in SuperKEKB Phase 2

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

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

Study of B0→D+h−(h=K/π) decays at Belle

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

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

Measurements of q2 Moments of Inclusive B→Xc​ℓ+νℓ​ Decays with Hadronic Tagging

Study of χbJ​(nP)→ωΥ(1S) 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

Precise measurement of the D0 and D+ lifetimes at Belle II

Measurement of Differential Branching Fractions of Inclusive B→Xu​ℓ+νℓ​ Decays

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

Search for the ηc2​(1D) in e+e−→γηc2​(1D) at s​ near 10.6 GeV at Belle

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

Search for the Decay Bs0​→η′η

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

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

Study of $B^{0} \to D^{+} h^{-} (h = K / π)$ decays at Belle

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

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

Measurements of $q^{2}$ Moments of Inclusive $B \to X_{c} ℓ^{+} ν_{ℓ}$ Decays with Hadronic Tagging

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

Precise measurement of the $D^{0}$ and $D^{+}$ lifetimes at Belle II

Measurement of Differential Branching Fractions of Inclusive $B \to X_{u} ℓ^{+} ν_{ℓ}$ Decays

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

Search for the $η_{c 2} (1 D)$ in $e^{+} e^{-} \to γ η_{c 2} (1 D)$ at $s$ near 10.6 GeV at Belle

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

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