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Publications (60)

hep-ex2017

Measurement of the tau Michel parameters $I^ˉ \cdot$ and $I^¾ I^º$ in the radiative leptonic decay $I ¨ ^{-} \to ℓ^{-} I^½_{I ¨} I^ˉ ½_{ℓ} I^^{3}$

The Belle Collaboration, N. Shimizu, H. Aihara +460

We present a measurement of the Michel parameters of the $I ¨ $ lepton, $I^ˉ \cdot$ and $I^¾ I^º$ , in the radiative leptonic decay $I ¨ ^{-} \to ℓ^{-} I^½_{I ¨} I^ˉ ½_{ℓ} I^^{3}$ using 71…

hep-ex2021

Study of $B \to D^{(*)} h$ decays using $62.8 fb^{- 1}$ of Belle II data

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

We report measurements related to hadronic $B$ decays to final states that contain charm mesons. The analyses are performed on a $62.8 fb^{- 1}$ data set collected by the B…

hep-ex2022

Determination of $∣ V_{u b} ∣$ from untagged $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ decays using 2019-2021 Belle II data

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

We present an analysis of the charmless semileptonic decay $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ , where $ℓ = e, I^¼$ , from 198.0 million pairs of $B B ˉ$ mesons recorded by the Belle…

hep-ex2022

Measurement of the branching fraction of the $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decay using 190 fb $^{- 1}$ of Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

We report the measurement of the branching fraction of the $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decay in $e^{+} e^{-} \to I^¥ (4 S) \to B B$ data recorded by the Belle II experiment at the…

hep-ex2016

Study of Two-Body $e^{+} e^{-} \to B_{s}^{()} B ˉ_{s}^{()}$ Production in the Energy Range from 10.77 to 11.02 GeV

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report results on the studies of the $e^{+} e^{-} \to B_{s}^{(*)} B ˉ_{s}^{(*)}$ processes. The results are based on a $121.4$ fb $^{- 1}$ data sample collected with the Belle detector a…

hep-ex2020

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

Belle Collaboration, A. Abdesselam, I. Adachi +459

In the Standard Model (SM) charmless hadronic decays $B_{s}^{0} \to I^\cdot^{'} I^\cdot$ proceed via tree-level $b \to u$ and penguin $b \to s$ transitions. Penguin transitions are sens…

hep-ex2020

A calibration of the Belle II hadronic tag-side reconstruction algorithm with $B \to X ℓ I^½$ decays

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +540

Tag-side reconstruction is an important method for reconstructing $B$ meson decays with missing energy. The Belle II tag-side reconstruction algorithm, Full Event Interpretation, r…

hep-ex2021

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

Belle II collaboration, F. AbudinÃ©n, I. Adachi +549

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

hep-ex2015

Measurement of Azimuthal Modulations in the Cross-Section of Di-Pion Pairs in Di-Jet Production from Electron-Positron Annihilation

A. Abdesselam, I. Adachi, K. Adamczyk +418

We present an extraction of azimuthal correlations between two pairs of charged pions detected in opposite jets from electron-positron annihilation. These correlations may arise fr…

hep-ex2023

Measurement of the $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

F. AbudinÃ©n, I. Adachi, K. Adamczyk +581

We present a measurement of the $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ ( $ℓ = e, I^¼$ ) branching ratio and of the CKM parameter $∣ V_{c b} ∣$ using signal decays accompanied by a…

hep-ex2018

Measurements of branching fraction and $C P$ asymmetry of the $B ˉ^{0} (B^{0}) \to K_{S}^{0} K^{\mp} I ¨ ^{\pm}$ decay at Belle

A. Abdesselam, I. Adachi, K. Adamczyk +446

We report the measurement of the branching fraction and $C P$ asymmetry for the $B ˉ^{0} (B^{0}) \to K_{S}^{0} K^{\mp} I ¨ ^{\pm}$ decay. The analysis is performed on a data sample of…

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. AbudinÃ©n, 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-ex2016

Observation of Transverse $I^/ I^ˉ $ Hyperon Polarization in $e^{+} e^{-}$ Annihilation at Belle

The Belle Collaboration, A. Abdesselam, I. Adachi +445

We report the first observation of the polarization of $I^/ I^ˉ $ hyperons transverse to its production plane in $e^{+} e^{-}$ annihilation. We observe a significant polarization that…

hep-ex2022

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

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

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

hep-ex2021

Exclusive $B \to X_{u} ℓ I^½_{ℓ}$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +565

We present a reconstruction in early data of the semileptonic decay $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ , and first results of a reconstruction of the decays $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ …

hep-ex2019

Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +420

From April to July 2018, a data sample at the peak energy of the $I^¥ (4 S)$ resonance was collected with the Belle~II detector at the SuperKEKB electron-positron collider. This is th…

hep-ex2021

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

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +551

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

hep-ex2016

Measurement of the branching ratio of $B ˉ^{0} \to D^{+} I ¨ ^{-} I^ˉ ½_{I ¨} $ relative to $B ˉ^{0} \to D^{+} ℓ^{-} I^ˉ ½_{ℓ}$ decays with a semileptonic tagging method

A. Abdesselam, I. Adachi, K. Adamczyk +441

We report a measurement of ratio $R (D^{*}) = B (B ˉ^{0} \to D^{*+} I ¨ ^{-} I^ˉ ½_{I ¨} ) / B (B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ})$ , where $ℓ$ d…

hep-ex2021

$I ¨ $ lepton mass measurement at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +539

The reconstruction of tau-pair production, $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-}$ , from the subsequent 3-prong ( $I ¨ ^{+} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I^ˉ ½_{I ¨} $ ) and 1-prong ($Ï^{-} \to…

hep-ex2019

Measurement of the $D^{-}$ polarization in the decay $B^{0} \to D^{-} I ¨ ^{+} I^½_{I ¨} $

Belle Collaboration, A. Abdesselam, I. Adachi +457

We report the first measurement of the $D^{*-}$ meson polarization in the decay $B^{0} \to D^{*-} I ¨ ^{+} I^½_{I ¨} $ using the full data sample of 772 $\times 1 0^{6}$ $B B ˉ$ pairs recor…

hep-ex2020

Charmless $B$ decay reconstruction in 2019 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +533

We report on the reconstruction of various charmless $B$ decays from electron-positron collisions at the energy corresponding to the $I^¥ (4 S)$ resonance collected with the Belle II…

hep-ex2016

Study of Ï_{bJ}(1P) Properties in the Radiative Î¥(2S) Decays

A. Abdesselam, I. Adachi, K. Adamczyk +444

We report a study of radiative decays of Ï_{bJ}(1P)(J=0,1,2) mesons into 74 hadronic final states comprising charged and neutral pions, kaons, protons; out of these, 41 modes are…

hep-ex2020

Exclusive $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +541

We present the results of the re-discovery of the decay $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ in 34.6 fb $^{- 1}$ of Belle II data using hadronic $B$ -tagging via the Full Event Interpretatio…

hep-ex2020

Rediscovery of $B \to I ¨ K^{()}$ decays and measurement of the longitudinal polarization fraction $f_{L}$ in $B \to I ¨ K^{}$ decays using the Summer 2020 Belle II dataset

F. AbudinÃ©n, I. Adachi, R. Adak +538

We utilize a sample of 34.6 fb $^{- 1}$ , collected by the Belle II experiment at the SuperKEKB asymmetric energy $e^{+} e^{-}$ collider, to search for the $B^{+} \to I ¨ K^{+}$ , $B^+ \to ÏK^{*…

hep-ex2016

Evidence for the decay $B^{0} \to I^\cdot I^\cdot$

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report a search for $B^{0} \to I^\cdot I^\cdot$ with a data sample corresponding to an integrated luminosity of $698 fb^{- 1}$ containing $753 \times 1 0^{6}$ $B B ˉ$ pairs collect…

hep-ex2020

Measurement of the branching fraction $B (B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ})$ with early Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +533

We measure the branching fractions for the decays $B ˉ^{0} \to D^{*+} e^{-} I^ˉ ½_{e}$ and $B ˉ^{0} \to D^{*+} I^¼^{-} I^ˉ ½_{I^} ¼$ using $8.70 \pm 0.09 fb^{- 1}$ of data coll…

hep-ex2022

Measurement of decay-time dependent $C P$ violation in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ using 2019--2021 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

We report a measurement of decay-time dependent $C P$ -violating parameters in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ decays. We use $(198.0 \pm 3.0) \times 1 0^{6} B B$ pairs c…

hep-ex2022

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

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

We report a measurement of the branching fraction of $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ decays, where $ℓ^{+} ℓ^{-} = I^¼^{+} I^¼^{-}$ or $e^{+} e^{-}$ , using electron-positron collisions recor…

hep-ex2016

Measurement of $C P$ asymmetry in the $D^{0} \to K_{S}^{0} K_{S}^{0}$ decay at Belle

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report a measurement of the time-integrated $C P$ asymmetry in the neutral charm meson decay $D^{0} \to K_{S}^{0} K_{S}^{0}$ using 921~fb $^{- 1}$ data collected at the $I^¥ (4 S)$ and $I^¥ (5 S)$ …

hep-ex2022

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

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +584

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

hep-ex2021

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

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +550

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

hep-ex2020

Measurement of Hadronic Mass Moments $⟨ M_{X}^{n} ⟩$ in $B \to X_{c} ℓ I^½$ Decays at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +540

We present measurements of the first six hadronic mass moments in semileptonic $B \to X_{c} ℓ I^½$ decays. The hadronic mass moments, together with other observables of inc…

hep-ex2020

Measurement of the $B^{0}$ lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +534

This document presents the measurement of $B^{0}$ meson lifetimes using the 2019 Belle II dataset that corresponds to an integrated luminosity of $8.7 \pm 0.2$ fb $^{- 1}$ . Each candid…

hep-ex2019

Experimental determination of the isospin of $I^_{c} (2765)^{+} / I^£_{c} (2765)^{+}$

The Belle Collaboration, A. Abdesselam, I. Adachi +454

We report an experimental determination of the isospin of $I^_{c} (2765)^{+} / I^£_{c} (2765)^{+}$ using 980 fb $^{- 1}$ data in the $e^{+} e^{-}$ annihilation around $s = 10.6$ GeV collected b…

hep-ex2021

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

Belle II Collaboration, F. AbudinÃ©n, 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-ex2022

Measurement of the branching fractions and $C P$ asymmetries of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ and $B^{+} \to K^{+} I ¨ ^{0}$ decays in 2019-2021 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +582

We determine the branching fractions $B$ and $C P$ asymmetries $A_{CP}$ of the decays $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ and $B^{+} \to K^{+} I ¨ ^{0}$ . The res…

hep-ex2020

First flavor tagging calibration using 2019 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +540

We report on the first calibration of the standard Belle II $B$ -flavor tagger using the full data set collected at the $I^¥ (4 S)$ resonance in 2019 with the Belle II detector a…

hep-ex2017

Precise determination of the CKM matrix element $∣ V_{c b} ∣$ with $B ˉ^{0} \to D^{* +} ℓ^{-} I^ˉ ½_{ℓ}$ decays with hadronic tagging at Belle

The Belle Collaboration, A. Abdesselam, I. Adachi +459

The precise determination of the CKM matrix element $∣ V_{c b} ∣$ is important for carrying out tests of the flavour sector of the Standard Model. In this article we prese…

hep-ex2019

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

The Belle Collaboration, A. Abdesselam, I. Adachi +461

We report a measurement of the ratios of branching fractions $R (D) = B (B ˉ \to D I ¨ ^{-} I^ˉ ½_{I ¨} ) / B (B ˉ \to D ℓ^{-} I^ˉ ½_{ℓ})$ and $\mathcal{R}…

hep-ex2022

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

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +591

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

hep-ex2016

Measurement of Michel Parameters ( $I^ˉ \cdot$ , $I^¾ I^º$ ) in the radiative leptonic decay of tau at Belle

The Belle Collaboration, A. Abdesselam, I. Adachi +445

We present the first measurement of the Michel parameters $I^ˉ \cdot$ and $I^¾ I^º$ in the radiative leptonic decay of the $I ¨ $ lepton using 703 f $b^{- 1}$ of data collected with…

hep-ex2021

Study of $I ¨ _{b J} (n P) \to I ¨ I^¥ (1 S)$ at Belle

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

We report results from a study of hadronic transitions of the $I ¨ _{b J} (n P)$ states of bottomonium at Belle. The $P$ -wave states are reconstructed in transitions to the $I^¥ (1 S)$ wit…

hep-ex2018

Study of charmless decays $B^{\pm} \to K_{S}^{0} K_{S}^{0} h^{\pm}$ ( $h = K, I ¨ $ ) at Belle

The Belle Collaboration, A. Abdesselam, I. Adachi +449

We report a search for charmless hadronic decays of charged $B$ mesons to the final states $K_{S}^{0} K_{S}^{0} K^{\pm}$ and $K_{S}^{0} K_{S}^{0} I ¨ ^{\pm}$ . The results are based…

hep-ex2016

Angular analysis of $B^{0} \to K^{*} (892)^{0} ℓ^{+} ℓ^{-}$

Belle Collaboration, A. Abdesselam, I. Adachi +442

We present a measurement of angular observables, $P_{4}^{'}$ , $P_{5}^{'}$ , $P_{6}^{'}$ , $P_{8}^{'}$ , in the decay $B^{0} \to K^{*} (892)^{0} ℓ^{+} ℓ^{-}$ , where $ℓ^{+} ℓ^{-}$ is either $e^{+} e^{-}$ or $Î¼^…

hep-ex2022

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ I^½$ decays using 2019-2021 Belle II data

We present a determination of the magnitude of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element $V_{c b}$ using $B \to D ℓ I^½$ decays. The result is based on $e^{+} e^{-} \to I^¥ (4 S)$ dat…

hep-ex2019

The Belle II Physics Book

E. Kou, P. Urquijo, W. Altmannshofer +524

We present the physics program of the Belle II experiment, located on the intensity frontier SuperKEKB $e^{+} e^{-}$ collider. Belle II collected its first collisions in 2018, and is ex…

hep-ex2016

Measurement of the $I ¨ $ lepton polarization in the decay $B ˉ \to D^{*} I ¨ ^{-} I^ˉ ½_{I ¨} $

A. Abdesselam, I. Adachi, K. Adamczyk +447

We report the first measurement of the $I ¨ $ lepton polarization in the decay $B ˉ \to D^{*} I ¨ ^{-} I^ˉ ½_{I ¨} $ as well as a new measurement of the ratio of the branching…

hep-ex2020

Measurement of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^½_{ℓ}$ branching fraction with fully reconstructed $B$ meson decays and 34.6 fb $^{- 1}$ of Belle II data

Belle II Collaboration, F. Abudinen, I. Adachi +540

We present a first measurement of the $B^{0} ˉ \to D^{*+} ℓ^{-} I^½_{ℓ}$ branching fraction using fully reconstructed $B$ meson decays employing the Full Event Int…

hep-ex2022

Measurement of the photon-energy spectrum in inclusive $B \to X_{s} I^^{3}$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

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…

hep-ex2021

Measurements of the branching fractions for $B \to K^{*} I^^{3}$ decays at Belle II

This paper reports a study of $B \to K^{*} I^^{3}$ decays using $62.8 \pm 0.6$ fb $^{- 1}$ of data collected during 2019--2020 by the Belle II experiment at the SuperKEKB $e^{+} e^{-}$ asym…

hep-ex2021

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

We present preliminary results on the reconstruction of the $B^{0} \to J / I ¨ K_{L}^{0}$ decay, where $J / I ¨ \to I^¼^{+} I^¼^{-}$ or $…

hep-ex2022

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

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 Ï^+Ï^0…

hep-ex2021

First search for direct $C P$ -violating asymmetry in $B^{0} \to K^{0} I ¨ ^{0}$ decays at Belle II

We report on the first measurement of the direct $C P$ -violating asymmetry ( $A$ ) in the charmless decay $B^{0} \to K^{0} I ¨ ^{0}$ at Belle II and an updated measurement of its bra…

hep-ex2021

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

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

hep-ex2020

Studies of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ}$ and $B^{-} \to D^{0} ℓ^{-} I^ˉ ½_{ℓ}$ decay processes with 34.6 fb $^{- 1}$ of Belle II data

We report measurements of the $B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{l}$ and $B^{-} \to D^{0} ℓ^{-} I^ˉ ½_{l}$ processes using 34.6 fb $^{- 1}$ of collision events recorded by the Bell…

hep-ex2016

Inclusive and exclusive measurements of $B$ decays to $I ¨ _{c 1}$ and $I ¨ _{c 2}$ at Belle

V. Bhardwaj, K. Miyabayashi, E. PanzenbÃ¶ck +196

We report inclusive and exclusive measurements for $I ¨ _{c 1}$ and $I ¨ _{c 2}$ production in $B$ decays. We measure $B (B \to I ¨ _{c 1} X)$ = $(3.03 \pm 0.05(\mbox{stat}) \pm 0.2…

hep-ex2021

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

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

hep-ex2022

Study of Exclusive $B \to I ¨ e^{+} I^½_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

We present a reconstruction of the semileptonic decays $B^{0} \to I ¨ ^{-} e^{+} I^½_{e}$ and $B^{+} \to I ¨ ^{0} e^{+} I^½_{e}$ in a sample corresponding to 189.3 fb $^{- 1}$ of Belle II data, using even…

hep-ex2020

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

We report on first measurements of branching fractions~( $B$ ) and CP-violating charge asymmetries~( $A$ ) in charmless $B$ decays at Belle~II. We use a sample of e…

hep-ex2020

Measurement of two-particle correlations in hadronic $e^{+} e^{-}$ collisions at Belle

Belle Collaboration, A. Abdesselam, I. Adachi +459

The enhancement of charged-particle pairs with large pseudorapidity difference and small azimuthal angle difference, often referred to as the ``ridge signal'', is a phenomenon wide…

Publications (60)

Measurement of the tau Michel parameters I^ˉ⋅ and I^¾I^º in the radiative leptonic decay I¨−→ℓ−I^½I¨​I^ˉ½ℓ​I^3

Study of B→D(∗)h decays using 62.8 fb−1 of Belle II data

Determination of ∣Vub​∣ from untagged B0→I¨−ℓ+I^½ℓ​ decays using 2019-2021 Belle II data

Measurement of the branching fraction of the B0→KS0​I¨0I^3 decay using 190 fb−1 of Belle II data

Study of Two-Body e+e−→Bs(∗)​Bˉs(∗)​ Production in the Energy Range from 10.77 to 11.02 GeV

Search for the Decay Bs0​→I^⋅′I^⋅

A calibration of the Belle II hadronic tag-side reconstruction algorithm with B→XℓI^½ decays

Angular analysis of B+→I¨+I¨0 decays reconstructed in 2019-2020 Belle II data

Measurement of Azimuthal Modulations in the Cross-Section of Di-Pion Pairs in Di-Jet Production from Electron-Positron Annihilation

Measurement of the B0→D∗−ℓ+I^½ℓ​ branching ratio and ∣Vcb​∣ with a fully reconstructed accompanying B meson in 2019-2021 Belle II data

Measurements of branching fraction and CP asymmetry of the Bˉ0(B0)→KS0​K∓I¨± decay at Belle

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

Observation of Transverse I^/I^ˉ Hyperon Polarization in e+e− Annihilation at Belle

First decay-time-dependent analysis of B0→KS0​I¨0 at Belle II

Exclusive B→Xu​ℓI^½ℓ​ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb−1 of Belle II Data

Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment

Measurement of the branching fraction for B0→I¨0I¨0 decays reconstructed in 2019-2020 Belle II data

Measurement of the branching ratio of Bˉ0→D∗+I¨−I^ˉ½I¨​ relative to Bˉ0→D∗+ℓ−I^ˉ½ℓ​ decays with a semileptonic tagging method

I¨ lepton mass measurement at Belle II

Measurement of the D∗− polarization in the decay B0→D∗−I¨+I^½I¨​

Charmless B decay reconstruction in 2019 Belle II data

Study of Ï_{bJ}(1P) Properties in the Radiative Î¥(2S) Decays

Exclusive B0→I¨−ℓ+I^½ℓ​ Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb−1 of Belle II Data

Rediscovery of B→I¨K(∗) decays and measurement of the longitudinal polarization fraction fL​ in B→I¨K∗ decays using the Summer 2020 Belle II dataset

Evidence for the decay B0→I^⋅I^⋅

Measurement of the branching fraction B(Bˉ0→D∗+ℓ−I^ˉ½ℓ​) with early Belle II data

Measurement of decay-time dependent CP violation in B0→KS0​KS0​KS0​ using 2019--2021 Belle II data

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

Measurement of CP asymmetry in the D0→KS0​KS0​ decay at Belle

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

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

Measurement of Hadronic Mass Moments ⟨MXn​⟩ in B→Xc​ℓI^½ Decays at Belle II

Measurement of the B0 lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset

Experimental determination of the isospin of I^c​(2765)+/I^£c​(2765)+

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

Measurement of the branching fractions and CP asymmetries of B+→I¨+I¨0 and B+→K+I¨0 decays in 2019-2021 Belle II data

First flavor tagging calibration using 2019 Belle II data

Precise determination of the CKM matrix element ∣Vcb​∣ with Bˉ0→D∗+ℓ−I^ˉ½ℓ​ decays with hadronic tagging at Belle

Measurement of R(D) and R(D∗) with a semileptonic tagging method

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

Measurement of Michel Parameters (I^ˉ⋅, I^¾I^º) in the radiative leptonic decay of tau at Belle

Study of I¨bJ​(nP)→I¨I^¥(1S) at Belle

Study of charmless decays B±→KS0​KS0​h± (h=K,I¨) at Belle

Angular analysis of B0→K∗(892)0ℓ+ℓ−

Determination of ∣Vcb​∣ from B→DℓI^½ decays using 2019-2021 Belle II data

The Belle II Physics Book

Measurement of the I¨ lepton polarization in the decay Bˉ→D∗I¨−I^ˉ½I¨​

Measurement of the semileptonic Bˉ0→D∗+ℓ−I^½ℓ​ branching fraction with fully reconstructed B meson decays and 34.6 fb−1of Belle II data

Measurement of the photon-energy spectrum in inclusive B→Xs​I^3 decays identified using hadronic decays of the recoil B meson in 2019-2021 Belle II data

Measurements of the branching fractions for B→K∗I^3 decays at Belle II

Rediscovery of B0→J/I¨KL0​ at Belle II

Angular analysis of B+→I¨+I¨0 decays reconstructed in 2019, 2020, and 2021 Belle II data

First search for direct CP-violating asymmetry in B0→K0I¨0 decays at Belle II

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

Studies of the semileptonic Bˉ0→D∗+ℓ−I^ˉ½ℓ​ and B−→D0ℓ−I^ˉ½ℓ​ decay processes with 34.6 fb−1 of Belle II data

Inclusive and exclusive measurements of B decays to I¨c1​ and I¨c2​ at Belle

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

Study of Exclusive B→I¨e+I^½e​ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb−1 of Belle II Data

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

Measurement of two-particle correlations in hadronic e+e− collisions at Belle

Measurement of the tau Michel parameters $I^ˉ \cdot$ and $I^¾ I^º$ in the radiative leptonic decay $I ¨ ^{-} \to ℓ^{-} I^½_{I ¨} I^ˉ ½_{ℓ} I^^{3}$

Study of $B \to D^{(*)} h$ decays using $62.8 fb^{- 1}$ of Belle II data

Determination of $∣ V_{u b} ∣$ from untagged $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ decays using 2019-2021 Belle II data

Measurement of the branching fraction of the $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decay using 190 fb $^{- 1}$ of Belle II data

Study of Two-Body $e^{+} e^{-} \to B_{s}^{()} B ˉ_{s}^{()}$ Production in the Energy Range from 10.77 to 11.02 GeV

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

A calibration of the Belle II hadronic tag-side reconstruction algorithm with $B \to X ℓ I^½$ decays

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

Measurement of the $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

Measurements of branching fraction and $C P$ asymmetry of the $B ˉ^{0} (B^{0}) \to K_{S}^{0} K^{\mp} I ¨ ^{\pm}$ decay at Belle

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

Observation of Transverse $I^/ I^ˉ $ Hyperon Polarization in $e^{+} e^{-}$ Annihilation at Belle

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

Exclusive $B \to X_{u} ℓ I^½_{ℓ}$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb $^{- 1}$ of Belle II Data

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

Measurement of the branching ratio of $B ˉ^{0} \to D^{+} I ¨ ^{-} I^ˉ ½_{I ¨} $ relative to $B ˉ^{0} \to D^{+} ℓ^{-} I^ˉ ½_{ℓ}$ decays with a semileptonic tagging method

$I ¨ $ lepton mass measurement at Belle II

Measurement of the $D^{-}$ polarization in the decay $B^{0} \to D^{-} I ¨ ^{+} I^½_{I ¨} $

Charmless $B$ decay reconstruction in 2019 Belle II data

Study of Ï_{bJ}(1P) Properties in the Radiative Î¥(2S) Decays

Exclusive $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb $^{- 1}$ of Belle II Data

Rediscovery of $B \to I ¨ K^{()}$ decays and measurement of the longitudinal polarization fraction $f_{L}$ in $B \to I ¨ K^{}$ decays using the Summer 2020 Belle II dataset

Evidence for the decay $B^{0} \to I^\cdot I^\cdot$

Measurement of the branching fraction $B (B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ})$ with early Belle II data

Measurement of decay-time dependent $C P$ violation in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ using 2019--2021 Belle II data

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

Measurement of $C P$ asymmetry in the $D^{0} \to K_{S}^{0} K_{S}^{0}$ decay at Belle

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

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

Measurement of Hadronic Mass Moments $⟨ M_{X}^{n} ⟩$ in $B \to X_{c} ℓ I^½$ Decays at Belle II

Measurement of the $B^{0}$ lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset

Experimental determination of the isospin of $I^_{c} (2765)^{+} / I^£_{c} (2765)^{+}$

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

Measurement of the branching fractions and $C P$ asymmetries of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ and $B^{+} \to K^{+} I ¨ ^{0}$ decays in 2019-2021 Belle II data

Precise determination of the CKM matrix element $∣ V_{c b} ∣$ with $B ˉ^{0} \to D^{* +} ℓ^{-} I^ˉ ½_{ℓ}$ decays with hadronic tagging at Belle

Measurement of $R (D)$ and $R (D^{*})$ with a semileptonic tagging method

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

Measurement of Michel Parameters ( $I^ˉ \cdot$ , $I^¾ I^º$ ) in the radiative leptonic decay of tau at Belle

Study of $I ¨ _{b J} (n P) \to I ¨ I^¥ (1 S)$ at Belle

Study of charmless decays $B^{\pm} \to K_{S}^{0} K_{S}^{0} h^{\pm}$ ( $h = K, I ¨ $ ) at Belle

Angular analysis of $B^{0} \to K^{*} (892)^{0} ℓ^{+} ℓ^{-}$

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ I^½$ decays using 2019-2021 Belle II data

Measurement of the $I ¨ $ lepton polarization in the decay $B ˉ \to D^{*} I ¨ ^{-} I^ˉ ½_{I ¨} $

Measurement of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^½_{ℓ}$ branching fraction with fully reconstructed $B$ meson decays and 34.6 fb $^{- 1}$ of Belle II data

Measurement of the photon-energy spectrum in inclusive $B \to X_{s} I^^{3}$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

Measurements of the branching fractions for $B \to K^{*} I^^{3}$ decays at Belle II

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

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

First search for direct $C P$ -violating asymmetry in $B^{0} \to K^{0} I ¨ ^{0}$ decays at Belle II

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

Studies of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ}$ and $B^{-} \to D^{0} ℓ^{-} I^ˉ ½_{ℓ}$ decay processes with 34.6 fb $^{- 1}$ of Belle II data

Inclusive and exclusive measurements of $B$ decays to $I ¨ _{c 1}$ and $I ¨ _{c 2}$ at Belle

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

Study of Exclusive $B \to I ¨ e^{+} I^½_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

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

Measurement of two-particle correlations in hadronic $e^{+} e^{-}$ collisions at Belle