D. Jaffe

activity

19982026

most citedObservation of electron-antineutrino disappearance at Daya Bay

2.2k citations · 13.3k across the 207 of their papers we have counts for

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182 papers · 1 filter

hep-ex2026

Measurement of mixing-induced CP violation in the decay $B^{0} \to π^{0} π^{0}$

Belle II Collaboration, M. Abumusabh, I. Adachi +437

Measurements of charge-parity (CP) violation in quark transitions provide stringent tests of the current theory and sensitive probes of particles or interactions beyond it. We repo…

hep-ex2024★ 3 cited

Measurement of the time-integrated CP asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays using Belle and Belle II data

Belle, Belle II Collaborations, : +360

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

hep-ex2024★ 8 cited

The Belle II Detector Upgrades Framework Conceptual Design Report

H. Aihara, A. Aloisio, D. P. Auguste +207

We describe the planned near-term and potential longer-term upgrades of the Belle II detector at the SuperKEKB electron-positron collider operating at the KEK laboratory in Tsukuba…

hep-ex2024★ 8 cited

Measurement of Electron Antineutrino Oscillation Amplitude and Frequency via Neutron Capture on Hydrogen at Daya Bay

Daya Bay collaboration, F. P. An, W. D. Bai +197

This Letter reports the first measurement of the oscillation amplitude and frequency of reactor antineutrinos at Daya Bay via neutron capture on hydrogen using 1958 days of data. W…

hep-ex2024★ 2 cited

Test of light-lepton universality in $τ$ decays with the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +428

We present a measurement of the ratio $R_{μ} = B (τ^{-} \to μ^{-} ν ˉ_{μ} ν_{τ}) / B (τ^{-} \to e^{-} ν ˉ_{e} ν_{τ})$ of branching fractions $B$ of the $τ$ lepton decaying t…

hep-ex2024★ 8 cited

Search for lepton-flavor-violating $τ^{-} \to μ^{-} μ^{+} μ^{-}$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +429

We present the result of a search for the charged-lepton-flavor violating decay $τ^{-} \to μ^{-} μ^{+} μ^{-}$ using a $424 f b^{- 1}$ sample of data recorded by the Belle II experiment at the S…

hep-ex2024★ 1 cited

Search for a sub-eV sterile neutrino using Daya Bay's full dataset

F. P. An, W. D. Bai, A. B. Balantekin +196

This Letter presents results of a search for the mixing of a sub-eV sterile neutrino with three active neutrinos based on the full data sample of the Daya Bay Reactor Neutrino Expe…

hep-ex2024

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

Belle II Collaboration, I. Adachi, L. Aggarwal +450

We report a measurement of decay-time dependent charge-parity ( $C P$ ) asymmetries in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ decays. We use $387 \times 1 0^{6} B B ˉ$ pairs collected at…

hep-ex2024

A test of lepton flavor universality with a measurement of $R (D^{*})$ using hadronic $B$ tagging at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +434

The ratio of branching fractions $R (D^{*}) = B (B \to D^{*} τ^{-} ν_{τ})$ /$\mathcal{B} (\overline{B} \rightarrow D^{*} \ell^{-} \overlineν_{\ell}…

hep-ex2023★ 90 cited

Evidence for $B^{+} \to K^{+} ν ν ˉ$ decays

Belle II Collaboration, I. Adachi, K. Adamczyk +452

We search for the rare decay $B^{+} \to K^{+} ν ν ˉ$ in a $362 fb^{- 1}$ sample of electron-positron collisions at the $Υ (4 S)$ resonance collected with the Belle II det…

hep-ex2023★ 8 cited

Measurement of branching fractions and direct $C P$ asymmetries for $B \to K π$ and $B \to π π$ decays at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +435

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

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★ 16 cited

Search for a long-lived spin-0 mediator in $b \to s$ transitions at the Belle II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +411

Additional spin-0 particles appear in many extensions of the standard model. We search for long-lived spin-0 particles $S$ in $B$ -meson decays mediated by a $b \to s$ quark transiti…

hep-ex2023★ 5 cited

Precise measurement of the $D_{s}^{+}$ lifetime at Belle II

Belle II Collaboration, I. Adachi, L. Aggarwal +359

We measure the lifetime of the $D_{s}^{+}$ meson using a data sample of 207 fb $^{- 1}$ collected by the Belle II experiment running at the SuperKEKB asymmetric-energy $e^{+} e^{-}$ collider…

hep-ex2023

Measurement of the $τ$ -lepton mass with the Belle~II experiment

Belle II Collaboration, I. Adachi, K. Adamczyk +418

We present a measurement of the $τ$ -lepton mass using a sample of about 175 million $e^{+} e^{-} \to τ^{+} τ^{-}$ events collected with the Belle II detector at the SuperKEKB $e^{+} e^{-}$ collid…

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★ 6 cited

Novel method for the identification of the production flavor of neutral charmed mesons

Belle II Collaboration, I. Adachi, L. Aggarwal +396

We propose a new algorithm for the identification of the production flavor of neutral $D$ mesons in the Belle II experiment. The algorithm exploits the correlation between the flav…

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★ 3 cited

Measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

F. Abudinén, I. Adachi, K. Adamczyk +581

We present a measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ ( $ℓ = e, μ$ ) branching ratio and of the CKM parameter $∣ V_{c b} ∣$ using signal decays accompanied by a f…

hep-ex2022★ 21 cited

Search for an invisible $Z^{'}$ in a final state with two muons and missing energy at Belle II

Belle II Collaboration, I. Adachi, K. Adamczyk +385

The $L_{μ} - L_{τ}$ extension of the standard model predicts the existence of a lepton-flavor-universality-violating $Z^{'}$ boson that couples only to the heavier lepton families.…

hep-ex2022★ 4 cited

Precision measurement of reactor antineutrino oscillation at kilometer-scale baselines by Daya Bay

Daya Bay collaboration, F. P. An, W. D. Bai +197

We present a new determination of the smallest neutrino mixing angle $θ_{13}$ and the mass-squared difference $Δ m_{32}^{2}$ using a final sample of $5.55 \times 1 0^{6}$ inver…

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…

Measurement of mixing-induced CP violation in the decay B0→π0π0

Measurement of the time-integrated CP asymmetry in D0→KS0​KS0​ decays using Belle and Belle II data

The Belle II Detector Upgrades Framework Conceptual Design Report

Measurement of Electron Antineutrino Oscillation Amplitude and Frequency via Neutron Capture on Hydrogen at Daya Bay

Test of light-lepton universality in τ decays with the Belle II experiment

Search for lepton-flavor-violating τ−→μ−μ+μ− decays at Belle II

Search for a sub-eV sterile neutrino using Daya Bay's full dataset

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

A test of lepton flavor universality with a measurement of R(D∗) using hadronic B tagging at the Belle II experiment

Evidence for B+→K+ννˉ decays

Measurement of branching fractions and direct CP asymmetries for B→Kπ and B→ππ decays at Belle II

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

Search for a long-lived spin-0 mediator in b→s transitions at the Belle II experiment

Precise measurement of the Ds+​ lifetime at Belle II

Measurement of the τ-lepton mass with the Belle~II experiment

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

Novel method for the identification of the production flavor of neutral charmed mesons

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

Measurement of the B0→D∗−ℓ+νℓ​ branching ratio and ∣Vcb​∣ with a fully reconstructed accompanying B meson in 2019-2021 Belle II data

Search for an invisible Z′ in a final state with two muons and missing energy at Belle II

Precision measurement of reactor antineutrino oscillation at kilometer-scale baselines by Daya Bay

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

Measurement of mixing-induced CP violation in the decay $B^{0} \to π^{0} π^{0}$

Measurement of the time-integrated CP asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays using Belle and Belle II data

Test of light-lepton universality in $τ$ decays with the Belle II experiment

Search for lepton-flavor-violating $τ^{-} \to μ^{-} μ^{+} μ^{-}$ decays at Belle II

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

A test of lepton flavor universality with a measurement of $R (D^{*})$ using hadronic $B$ tagging at the Belle II experiment

Evidence for $B^{+} \to K^{+} ν ν ˉ$ decays

Measurement of branching fractions and direct $C P$ asymmetries for $B \to K π$ and $B \to π π$ decays at Belle II

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

Search for a long-lived spin-0 mediator in $b \to s$ transitions at the Belle II experiment

Precise measurement of the $D_{s}^{+}$ lifetime at Belle II

Measurement of the $τ$ -lepton mass with the Belle~II experiment

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

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

Measurement of the $B^{0} \to D^{*-} ℓ^{+} ν_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

Search for an invisible $Z^{'}$ in a final state with two muons and missing energy at Belle II

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