Jürgen Becker

activity

20042026

most citedObservation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

919 citations · 2.2k across the 39 of their papers we have counts for

collaborators

39 papers

hep-ex2026

Searches for charged-lepton-flavor violation in $χ_{b J} (1 P)$ decays

Belle, Belle II Collaborations, : +415

We report the first searches for charged-lepton-flavor violation in decays of $χ_{b J} (1 P)$ ( $J = 0, 1,$ and $2$ ) to a pair of charged leptons using 158 million $Υ (2 S)$ decays collect…

hep-ex2025

Measurement of time-dependent $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{+} π^{-} γ$ decays at Belle and Belle II

Belle, Belle II Collaborations, : +350

We present a measurement of the time-dependent $C P$ asymmetry in $B^{0} \to K_{S}^{0} π^{+} π^{-} γ$ decays using a data set of 365 fb $^{- 1}$ recorded by the Belle II experiment…

hep-ex2025

Determination of $∣ V_{c b} ∣$ using $B \to D ℓ ν_{ℓ}$ Decays at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +407

We present a determination of the Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{c b} ∣$ from the decay $B \to D ℓ ν_{ℓ}$ using a $365 fb^{- 1}$ $e^{+} e^{-} \to Υ (4 S) \to B B ˉ$ d…

hep-ex2025★ 1 cited

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to π^{0} π^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, Y. Ahn +372

We measure the time-integrated $C P$ asymmetry, $A_{C P}$ , in $D^{0} \to π^{0} π^{0}$ decays reconstructed in $e^{+} e^{-} \to c c ˉ$ events collected by Belle II during 2019--2022. The data cor…

hep-ex2025★ 1 cited

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays using opposite-side flavor tagging at Belle and Belle II

Belle, Belle II Collaborations, : +378

We measure the time-integrated $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays reconstructed in $e^{+} e^{-} \to c c$ events collected by the Belle and Belle II exp…

hep-ex2025

Measurements of the branching fractions of $Ξ_{c}^{+} \to Σ^{+} K_{S}^{0}$ , $Ξ_{c}^{+} \to Ξ^{0} π^{+}$ , and $Ξ_{c}^{+} \to Ξ^{0} K^{+}$ at Belle and Belle II

Belle, Belle II Collaborations, : +357

Using 983.0 $fb^{- 1}$ and 427.9 $fb^{- 1}$ data samples collected with the Belle and Belle II detectors at the KEKB and SuperKEKB asymmetric energy $e^{+} e^{-}$ colliders, res…

hep-ex2024★ 5 cited

Observations of the singly Cabibbo-suppressed decays $Ξ_{c}^{+} \to p K_{S}^{0}$ , $Ξ_{c}^{+} \to Λ π^{+}$ , and $Ξ_{c}^{+} \to Σ^{0} π^{+}$ at Belle and Belle II

Belle, Belle II Collaborations, : +345

Using data samples of 983.0~ $f b^{- 1}$ and 427.9~ $f b^{- 1}$ accumulated with the Belle and Belle~II detectors operating at the KEKB and SuperKEKB asymmetric-energy $e^{+} e^{-}$ c…

hep-ex2024★ 2 cited

Observation of the decay $B^{0} \to J / ψ ω$ at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +383

We measure the branching fraction of the decay $B^{0} \to J / ψ ω$ using data collected with the Belle II detector at the SuperKEKB collider. The data contain $(387 \pm 6) \times 1 0^{6}$ …

cs.AR2024

Work-in-Progress: Real-Time Neural Network Inference on a Custom RISC-V Multicore Vector Processor

Maximilian Kirschner, Konstantin Dudzik, Jürgen Becker

Neural networks are increasingly used in real-time systems, such as automated driving applications. This requires high-performance hardware with predictable timing behavior. State-…

hep-ex2024★ 2 cited

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +436

We report measurements of time-dependent $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays based on a data sample of $(388 \pm 6) \times 1 0^{6}$ $B B ˉ$ events collected at the $Υ (4 S)$ …

hep-ex2024★ 24 cited

Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment

The Belle II Collaboration, I. Adachi, L. Aggarwal +404

A series of data samples was collected with the Belle~II detector at the SuperKEKB collider from March 2019 to June 2022. We determine the integrated luminosities of these data sam…

hep-ex2024★ 2 cited

Measurement of the branching fractions of $B ˉ \to D^{()} K^{-} K_{(S)}^{() 0}$ and $B ˉ \to D^{(*)} D_{s}^{-}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +404

We present measurements of the branching fractions of eight $B^{0} \to D^{(*) +} K^{-} K_{(S)}^{(*) 0}$ , $B^{-} \to D^{(*) 0} K^{-} K_{(S)}^{(*) 0}$ decay channels. The results are…

hep-ex2024★ 6 cited

Measurements of the branching fractions of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ and asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$

Belle, Belle II Collaborations, : +382

We present a study of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ decays using the Belle and Belle~II data samples, which have integrated lumi…

hep-ex2024★ 4 cited

Search for the decay $B^{0} \to γ γ$ using Belle and Belle II data

Belle, Belle II Collaborations, : +407

We report the result of a search for the rare decay $B^{0} \to γ γ$ using a combined dataset of $753 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle experiment and $387\times10…

hep-ex2024★ 8 cited

Measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range 0.62-3.50 GeV at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +360

We report a measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range from 0.62 to 3.50 GeV using an initial-state radiation technique. We use an $e^{+} e^{-}$ data sa…

hep-ex2024

Measurement of $C P$ asymmetries in $B^{0} \to η^{'} K_{s}^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +399

We describe a measurement of charge-parity ( $C P$ ) violation asymmetries in $B^{0} \to η^{'} K_{S}^{0}$ decays using Belle II data. We consider $η^{'} \to η (\to γ γ) π^{+} π^{-}$ and $η^{'} \to ρ (\to π^{+} π^{-}) γ$ de…

hep-ex2023★ 10 cited

First Measurement of $R (X_{τ / ℓ})$ as an Inclusive Test of the $b \to c τ ν$ Anomaly

Belle II Collaboration, I. Adachi, K. Adamczyk +390

We measure the tau-to-light-lepton ratio of inclusive $B$ -meson branching fractions $R (X_{τ / ℓ}) \equiv B (B \to X τ ν) / B (B \to X ℓ ν)$ , where $ℓ$ indicate…

hep-ex2023★ 20 cited

Determination of $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays with Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +416

We determine the CKM matrix-element magnitude $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays reconstructed in $189 fb^{- 1}$ of collision data collec…

hep-ex2023★ 2 cited

Measurement of $C P$ asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays with Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +432

We present a measurement of time-dependent rate asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays to search for non-standard-model physics in $b \to q q s$ transitions. The data sampl…

hep-ex2023★ 6 cited

Measurement of $C P$ violation in $B^{0} \to K_{S}^{0} π^{0}$ decays at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +399

We report a measurement of the $C P$ -violating parameters $A$ and $S$ in $B^{0} \to K_{S}^{0} π^{0}$ decays at Belle II using a sample of $387 \times 1 0^{6}$ $B B ˉ$ events recor…

hep-ex2022★ 22 cited

Search for Lepton-Flavor-Violating $τ$ Decays to a Lepton and an Invisible Boson at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +398

We search for lepton-flavor-violating $τ^{-} \to e^{-} α$ and $τ^{-} \to μ^{-} α$ decays, where $α$ is an invisible spin-0 boson. The search uses electron-positron collisions at $10.58$ GeV cen…

hep-ex2014★ 427 cited

The Physics of the B Factories

A. J. Bevan, B. Golob, Th. Mannel +2003

This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and da…

hep-ex2013★ 5 cited

Study of $ψ (3686) \to ω K K ˉ π$ decays

BESIII Collaboration

Based on 106 million $ψ (3686)$ events collected with the BESIII detector at the BEPCII, the decay $ψ (3686) \to ω K K ˉ π$ is studied. Enhancements around 1.44 GeV/$c^{2}…

hep-ex2013★ 919 cited

Observation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +367

We study the process e+e- to pi+pi-J/psi at a center-of-mass energy of 4.260 GeV using a 525 pb^{-1} data sample collected with the BESIII detector operating at the Beijing Electro…

Searches for charged-lepton-flavor violation in χbJ​(1P) decays

Measurement of time-dependent CP asymmetries in B0→KS0​π+π−γ decays at Belle and Belle II

Determination of ∣Vcb​∣ using B→Dℓνℓ​ Decays at Belle II

Measurement of the time-integrated CP asymmetry in D0→π0π0 decays at Belle II

Measurement of the time-integrated CP asymmetry in D0→KS0​KS0​ decays using opposite-side flavor tagging at Belle and Belle II

Measurements of the branching fractions of Ξc+​→Σ+KS0​, Ξc+​→Ξ0π+, and Ξc+​→Ξ0K+ at Belle and Belle II

Observations of the singly Cabibbo-suppressed decays Ξc+​→pKS0​, Ξc+​→Λπ+, and Ξc+​→Σ0π+ at Belle and Belle II

Observation of the decay B0→J/ψω at Belle II

Work-in-Progress: Real-Time Neural Network Inference on a Custom RISC-V Multicore Vector Processor

Measurement of CP asymmetries in B0→KS0​π0γ decays at Belle II

Measurement of the integrated luminosity of data samples collected during 2019-2022 by the Belle II experiment

Measurement of the branching fractions of Bˉ→D(∗)K−K(S)(∗)0​ and Bˉ→D(∗)Ds−​ decays at Belle II

Measurements of the branching fractions of Ξc0​→Ξ0π0, Ξc0​→Ξ0η, and Ξc0​→Ξ0η′ and asymmetry parameter of Ξc0​→Ξ0π0

Search for the decay B0→γγ using Belle and Belle II data

Measurement of the e+e−→π+π−π0 cross section in the energy range 0.62-3.50 GeV at Belle II

Measurement of CP asymmetries in B0→η′Ks0​ decays at Belle II

First Measurement of R(Xτ/ℓ​) as an Inclusive Test of the b→cτν Anomaly

Determination of ∣Vcb​∣ using B0→D∗+ℓ−νˉℓ​ decays with Belle II

Measurement of CP asymmetries in B0→ϕKS0​ decays with Belle II

Measurement of CP violation in B0→KS0​π0 decays at Belle II

Search for Lepton-Flavor-Violating τ Decays to a Lepton and an Invisible Boson at Belle II

The Physics of the B Factories

Study of ψ(3686)→ωKKˉπ decays

Observation of a charged charmoniumlike structure in e+e- to pi+pi-J/psi at \sqrt{s}=4.26 GeV

Searches for charged-lepton-flavor violation in $χ_{b J} (1 P)$ decays

Measurement of time-dependent $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{+} π^{-} γ$ decays at Belle and Belle II

Determination of $∣ V_{c b} ∣$ using $B \to D ℓ ν_{ℓ}$ Decays at Belle II

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to π^{0} π^{0}$ decays at Belle II

Measurement of the time-integrated $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays using opposite-side flavor tagging at Belle and Belle II

Measurements of the branching fractions of $Ξ_{c}^{+} \to Σ^{+} K_{S}^{0}$ , $Ξ_{c}^{+} \to Ξ^{0} π^{+}$ , and $Ξ_{c}^{+} \to Ξ^{0} K^{+}$ at Belle and Belle II

Observations of the singly Cabibbo-suppressed decays $Ξ_{c}^{+} \to p K_{S}^{0}$ , $Ξ_{c}^{+} \to Λ π^{+}$ , and $Ξ_{c}^{+} \to Σ^{0} π^{+}$ at Belle and Belle II

Observation of the decay $B^{0} \to J / ψ ω$ at Belle II

Measurement of $C P$ asymmetries in $B^{0} \to K_{S}^{0} π^{0} γ$ decays at Belle II

Measurement of the branching fractions of $B ˉ \to D^{()} K^{-} K_{(S)}^{() 0}$ and $B ˉ \to D^{(*)} D_{s}^{-}$ decays at Belle II

Measurements of the branching fractions of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$ , $Ξ_{c}^{0} \to Ξ^{0} η$ , and $Ξ_{c}^{0} \to Ξ^{0} η^{'}$ and asymmetry parameter of $Ξ_{c}^{0} \to Ξ^{0} π^{0}$

Search for the decay $B^{0} \to γ γ$ using Belle and Belle II data

Measurement of the $e^{+} e^{-} \to π^{+} π^{-} π^{0}$ cross section in the energy range 0.62-3.50 GeV at Belle II

Measurement of $C P$ asymmetries in $B^{0} \to η^{'} K_{s}^{0}$ decays at Belle II

First Measurement of $R (X_{τ / ℓ})$ as an Inclusive Test of the $b \to c τ ν$ Anomaly

Determination of $∣ V_{c b} ∣$ using $B^{0} \to D^{*+} ℓ^{-} ν ˉ_{ℓ}$ decays with Belle II

Measurement of $C P$ asymmetries in $B^{0} \to ϕ K_{S}^{0}$ decays with Belle II

Measurement of $C P$ violation in $B^{0} \to K_{S}^{0} π^{0}$ decays at Belle II

Search for Lepton-Flavor-Violating $τ$ Decays to a Lepton and an Invisible Boson at Belle II

Study of $ψ (3686) \to ω K K ˉ π$ decays