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 2022Show all

22 papers · 1 filter

hep-ex2022★ 3 cited

Determination of $∣ V_{u b} ∣$ from untagged $B^{0} \to π^{-} ℓ^{+} ν_{ℓ}$ decays using 2019-2021 Belle II data

Belle II Collaboration, K. Adamczyk, L. Aggarwal +588

We present an analysis of the charmless semileptonic decay $B^{0} \to π^{-} ℓ^{+} ν_{ℓ}$ , where $ℓ = e, μ$ , from 198.0 million pairs of $B B ˉ$ mesons recorded by the Belle II…

physics.ins-det2022

Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20 $-$ 300 GeV/c

B. Acar, G. Adamov, C. Adloff +454

The upgrade of the CMS experiment for the high luminosity operation of the LHC comprises the replacement of the current endcap calorimeter by a high granularity sampling calorimete…

hep-ex2022★ 1 cited

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ ν$ decays using 2019-2021 Belle II data

Belle II collaboration, F. Abudinén, I. Adachi +590

We present a determination of the magnitude of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element $V_{c b}$ using $B \to D ℓ ν$ decays. The result is based on $e^{+} e^{-} \to Υ (4 S)$ data…

hep-ex2022

Measurement of the photon-energy spectrum in inclusive $B \to X_{s} γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +593

We measure the photon-energy spectrum in radiative bottom-meson ( $B$ ) decays into inclusive final states involving a strange hadron and a photon. We use SuperKEKB electron-positron…

physics.ins-det2022

Design, Construction and Commissioning of a Technological Prototype of a Highly Granular SiPM-on-tile Scintillator-Steel Hadronic Calorimeter

CALICE Collaboration

The CALICE collaboration is developing highly granular electromagnetic and hadronic calorimeters for detectors at future energy frontier electron-positron colliders. After successf…

hep-ex2022★ 2 cited

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to ρ^{+} ρ^{-}$ Decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +584

We present a measurement of the branching fraction and longitudinal polarization of $B^{0} \to ρ^{+} ρ^{-}$ decays. SuperKEKB electron-positron collision data corresponding to 189~fb$^{-…

hep-ex2022★ 1 cited

First measurement of the $B^{+} \to π^{+} π^{0} π^{0}$ branching fraction and \textit{CP} asymmetry

Belle Collaboration, Y. -T. Lai, I. Adachi +198

We study $B^{+} \to π^{+} π^{0} π^{0}$ using 711 $fb^{- 1}$ of data collected at the $Υ (4 S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider.…

hep-ex2022

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / ψ K$ decays at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +591

We report a study of $B \to J / ψ (ℓ^{+} ℓ^{-}) K$ decays, where $ℓ$ represents an electron or a muon, using $e^{+} e^{-}$ collisions at the $Υ (4 S)$ resonance. The data were col…

hep-ex2022★ 2 cited

Angular analysis of $B^{+} \to ρ^{+} ρ^{0}$ decays reconstructed in 2019, 2020, and 2021 Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +590

We report on a Belle II measurement of the branching fraction ( $B$ ), longitudinal polarization fraction ( $f_{L}$ ), and CP asymmetry ( $A_{C P}$ ) of $B^{+} \to ρ^{+} ρ^{0}$ …

hep-ex2022

Measurement of the branching fraction of the $B^{0} \to K_{S}^{0} π^{0} γ$ decay using 190 fb $^{- 1}$ of Belle II data

Belle II Collaboration, F. Abudinén, I. Adachi +590

We report the measurement of the branching fraction of the $B^{0} \to K_{S}^{0} π^{0} γ$ decay in $e^{+} e^{-} \to Υ (4 S) \to B B$ data recorded by the Belle II experiment at the Sup…

hep-ex2022★ 1 cited

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} π^{0}$ at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +590

We report measurements of the branching fraction ( $B$ ) and direct $C P$ -violating asymmetry ( $A_{C P}$ ) of the charmless decay $B^{0} \to K^{0} π^{0}$ at Belle II. A sample of…

hep-ex2022★ 9 cited

Measurement of the $Λ_{c}^{+}$ lifetime

Belle II Collaboration, F. Abudinén, L. Aggarwal +360

An absolute measurement of the $Λ_{c}^{+}$ lifetime is reported using $Λ_{c}^{+} \to p K^{-} π^{+}$ decays in events reconstructed from data collected by the Belle II experiment at the…

hep-ex2022★ 1 cited

Angular analysis of the low $K^{+} K^{-}$ invariant mass enhancement in $B^{+} \to K^{+} K^{-} π^{+}$ decays

Belle Collaboration, C. -L. Hsu, M. E. Sevior +202

We study the decay $B^{+} \to K^{+} K^{-} π^{+}$ and investigate the angular distribution of $K^{+} K^{-}$ pairs with invariant mass below $1.1$ GeV/ $c^{2}$ . This region exhibits both a str…

hep-ex2022★ 1 cited

Study of Exclusive $B \to π e^{+} ν_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. Abudinén, I. Adachi +590

We present a reconstruction of the semileptonic decays $B^{0} \to π^{-} e^{+} ν_{e}$ and $B^{+} \to π^{0} e^{+} ν_{e}$ in a sample corresponding to 189.3 fb $^{- 1}$ of Belle II data, using events w…

hep-ex2022★ 4 cited

Measurement of the branching fraction for the decay $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ at Belle II

Belle II Collaboration, F. Abudinén, I. Adachi +590

We report a measurement of the branching fraction of $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ decays, where $ℓ^{+} ℓ^{-} = μ^{+} μ^{-}$ or $e^{+} e^{-}$ , using electron-positron collisions recorde…

physics.acc-ph2022★ 13 cited

Snowmass 2021 White Paper on Upgrading SuperKEKB with a Polarized Electron Beam: Discovery Potential and Proposed Implementation

A. Accardi, D. M. Asner, H. Atmacan +105

Upgrading the SuperKEKB electron-positron collider with polarized electron beams opens a new program of precision physics at a center-of-mass energy of 10.58 GeV. This white paper…

physics.ins-det2022

MPGDs for TPCs at future lepton colliders

Alain Bellerive, Jochen Kaminski, Peter M. Lewis +13

This submission will focus on advancements and advantages of Micro Pattern Gas Detector (MPGD) technologies and their applications to the construction of a dedicated Time Projectio…

physics.ins-det2022

A TPC-based tracking system for a future Belle II upgrade

Andreas Löschcke Centeno, Christian Wessel, Peter M. Lewis +4

In the next decade, intensity frontier experiments will require tracking systems that are robust against high event and background rates while maintaining excellent tracking perfor…

physics.ins-det2022★ 1 cited

STOPGAP -- a Time-of-Flight Extension for the Belle II TOP Barrel PID System as a Demonstrator for CMOS Fast Timing Sensors

Oskar Hartbrich, Umberto Tamponi, Gary S. Varner

The Belle II barrel region is instrumented with the Time of Propagation (TOP) particle identification system based on sixteen fused-silica bars arranged around the interaction poin…

hep-ex2022★ 1 cited

Belle II Executive Summary

D. M. Asner, H. Atmacan, Sw. Banerjee +78

Belle II is a Super $B$ Factory experiment, expected to record 50 ab $^{- 1}$ of $e^{+} e^{-}$ collisions at the SuperKEKB accelerator until 2035. The large samples of $B$ mesons, charm h…

hep-ex2022★ 9 cited

Search for tetraquark states $X_{cc s ˉ s ˉ}$ in $D_{s}^{+} D_{s}^{+} (D_{s}^{+} D_{s}^{+})$ final states at Belle

Belle Collaboration, X. Y. Gao, Y. Li +206

A search for double-heavy tetraquark state candidates $X_{cc s ˉ s ˉ}$ decaying to $D_{s}^{+} D_{s}^{+}$ and $D_{s}^{*+} D_{s}^{*+}$ is presented for the first time using the…

hep-ex2022★ 8 cited

Measurement of Two-Particle Correlations of Hadrons in $e^{+} e^{-}$ Collisions at Belle

Y. -C. Chen, Y. -J. Lee, P. Chang +174

The measurement of two-particle angular correlation functions in high-multiplicity $e^{+} e^{-}$ collisions at $s = 10.52$ GeV is reported. In this study, the $89.5~{\text{fb}}^{-1…

Determination of ∣Vub​∣ from untagged B0→π−ℓ+νℓ​ decays using 2019-2021 Belle II data

Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20−300 GeV/c

Determination of ∣Vcb​∣ from B→Dℓν decays using 2019-2021 Belle II data

Measurement of the photon-energy spectrum in inclusive B→Xs​γ decays identified using hadronic decays of the recoil B meson in 2019-2021 Belle II data

Design, Construction and Commissioning of a Technological Prototype of a Highly Granular SiPM-on-tile Scintillator-Steel Hadronic Calorimeter

Measurement of Branching Fraction and Longitudinal Polarization in B0→ρ+ρ− Decays at Belle II

First measurement of the B+→π+π0π0 branching fraction and \textit{CP} asymmetry

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in B→J/ψK decays at Belle II

Angular analysis of B+→ρ+ρ0 decays reconstructed in 2019, 2020, and 2021 Belle II data

Measurement of the branching fraction of the B0→KS0​π0γ decay using 190 fb−1 of Belle II data

First decay-time-dependent analysis of B0→KS0​π0 at Belle II

Measurement of the Λc+​ lifetime

Angular analysis of the low K+K− invariant mass enhancement in B+→K+K−π+ decays

Study of Exclusive B→πe+νe​ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb−1 of Belle II Data

Measurement of the branching fraction for the decay B→K∗(892)ℓ+ℓ− at Belle II

Snowmass 2021 White Paper on Upgrading SuperKEKB with a Polarized Electron Beam: Discovery Potential and Proposed Implementation

MPGDs for TPCs at future lepton colliders

A TPC-based tracking system for a future Belle II upgrade

STOPGAP -- a Time-of-Flight Extension for the Belle II TOP Barrel PID System as a Demonstrator for CMOS Fast Timing Sensors

Belle II Executive Summary

Search for tetraquark states Xccsˉsˉ​ in Ds+​Ds+​ (Ds∗+​Ds∗+​) final states at Belle

Measurement of Two-Particle Correlations of Hadrons in e+e− Collisions at Belle

Determination of $∣ V_{u b} ∣$ from untagged $B^{0} \to π^{-} ℓ^{+} ν_{ℓ}$ decays using 2019-2021 Belle II data

Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20 $-$ 300 GeV/c

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ ν$ decays using 2019-2021 Belle II data

Measurement of the photon-energy spectrum in inclusive $B \to X_{s} γ$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to ρ^{+} ρ^{-}$ Decays at Belle II

First measurement of the $B^{+} \to π^{+} π^{0} π^{0}$ branching fraction and \textit{CP} asymmetry

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / ψ K$ decays at Belle II

Angular analysis of $B^{+} \to ρ^{+} ρ^{0}$ decays reconstructed in 2019, 2020, and 2021 Belle II data

Measurement of the branching fraction of the $B^{0} \to K_{S}^{0} π^{0} γ$ decay using 190 fb $^{- 1}$ of Belle II data

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} π^{0}$ at Belle II

Measurement of the $Λ_{c}^{+}$ lifetime

Angular analysis of the low $K^{+} K^{-}$ invariant mass enhancement in $B^{+} \to K^{+} K^{-} π^{+}$ decays

Study of Exclusive $B \to π e^{+} ν_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

Measurement of the branching fraction for the decay $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ at Belle II

Search for tetraquark states $X_{cc s ˉ s ˉ}$ in $D_{s}^{+} D_{s}^{+} (D_{s}^{+} D_{s}^{+})$ final states at Belle

Measurement of Two-Particle Correlations of Hadrons in $e^{+} e^{-}$ Collisions at Belle