M. Prim

Evidence for B- -> tau- nu_tau-bar with a Hadronic Tagging Method Using the Full Data Sample of Belle

Belle Collaboration, K. Hara, Y. Horii +179

We measure the branching fraction of B- -> tau- nu_tau-bar using the full Upsilon(4S) data sample containing 772*10^6 BBbar pairs collected with the Belle detector at the KEKB asym…

physics.ins-det2010

Belle II Technical Design Report

T. Abe, I. Adachi, K. Adamczyk +407

The Belle detector at the KEKB electron-positron collider has collected almost 1 billion Y(4S) events in its decade of operation. Super-KEKB, an upgrade of KEKB is under constructi…

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-ex2010

Measurement of CP violating asymmetries in B^0 -> K^+K^- K^0_S decays with a time-dependent Dalitz approach

Belle Collaboration, Y. Nakahama, K. Sumisawa +133

We report a measurement of $C P$ violating asymmetries in $B^{0} (B^{0}) \to K^{+} K^{-} K_{S}^{0}$ decays with a time-dependent Dalitz approach. This analysis is based on a data samp…

Search for Time-Dependent CPT Violation in Hadronic and Semileptonic B Decays

T. Higuchi, K. Sumisawa, I. Adachi +176

We report a new sensitive search for CPT violation, which includes improved measurements of the CPT-violating parameter z and the total decay-width difference normalized to the ave…

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-ex2010

Search for CP violating charge asymmetry in B^+ -> J/psi K^+ decays

K. Sakai, T. Kawasaki, H. Aihara +136

We present the result of a search for charge asymmetry in B^+ -> J/psi K^+ decays. The CP-violating charge asymmetry is measured to be A_CP(B^+ -> J/psi K^+) = [-0.76 +/- 0.50 (sta…

hep-ex2015

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…

Angular analysis of $B^{0} \to I ¨ K^{*}$ decays and search for CP violation at Belle

Belle Collaboration, M. Prim, I. Adachi +155

We report the measurements of branching fractions and CP violation asymmetries in $B^{0} \to I ¨ K^{*}$ decays obtained in an angular analysis using the full data sample of $772 \times…

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-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-ex2026

Averages of $b$ -hadron, $c$ -hadron, and $I ¨ $ -lepton properties as of 2023

Sw. Banerjee, E. Ben-Haim, F. Bernlochner +35

This paper reports world averages of measurements of $b$ -hadron, $c$ -hadron, and $I ¨ $ -lepton properties obtained by the Heavy Flavour Averaging Group using results available before…

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-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…

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…

Measurements of Branching Fractions and Direct CP Asymmetries for B -> K pi, B->pi pi and B->to KK Decays

Y. -T. Duh, T. -Y. Wu, P. Chang +140

We report measurements of the branching fractions and direct CP asymmetries (A_{CP}) for B->K pi, pi pi and KK decays (but not pi^0 pi^0) based on the final data sample of 772x10^6…

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-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…

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^…

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…

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…

Evidence for a Zb0(10610) in Dalitz analysis of Y(5S) -> Y(nS) pi0 pi0

I. Adachi, K. Adamczyk, H. Aihara +331

We report the first observation of Y(5S) -> Y(1,2S) pi0 pi0 decays. Evidence for the Zb0(10610) with 4.9sigma significance is found in a Dalitz plot analysis of Y(5S) -> Y(2S) pi0…

hep-ex2011

Evidence for the Suppressed Decay B- -> DK-, D -> K+pi-

Belle Collaboration, Y. Horii, K. Trabelsi +143

The suppressed decay chain B- -> DK-, D -> K+pi-, where D indicates a anti-D0 or D0 state, provides important information on the CP-violating angle phi_3. We measure the ratio R_{D…

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…

Measurement of the Decays $B_{s}^{0} \to J / I ¨ I ¨ (1020)$ , $B_{s}^{0} \to J / I ¨ f_{2}^{'} (1525)$ and $B_{s}^{0} \to J / I ¨ K^{+} K^{-}$ at Belle

Belle Collaboration, F. Thorne, C. Schwanda +148

We report a measurement of the branching fraction of the decay $B_{s}^{0} \to J / I ¨ I ¨ (1020)$ , evidence and a branching fraction measurement for $B_{s}^{0} \to J / I ¨ f_{2}^{'} (1525)$ , and the det…

hep-ex2018

Search for the rare decay of $B^{+} \to ℓ^{+} I^½_{ℓ} I^^{3}$ with improved hadronic tagging

M. Gelb, F. U. Bernlochner, P. Goldenzweig +184

We present the result of the search for the rare $B$ meson decay of $B^{+} \to ℓ^{+} I^½_{ℓ} I^^{3}$ with $ℓ = e, I^¼$ . For the search the full data set recorded by the Belle expe…

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

Punzi-loss: A non-differentiable metric approximation for sensitivity optimisation in the search for new particles

P. Feichtinger, H. Haigh, G. Inguglia +43

We present the novel implementation of a non-differentiable metric approximation and a corresponding loss-scheduling aimed at the search for new particles of unknown mass in high e…

hep-ex2015

Measurement of the amplitude ratio of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D \to K_{S}^{0} I ¨ ^{+} I ¨ ^{-}$ decays

A. Abdesselam, I. Adachi, K. Adamczyk +409

We report a measurement of the amplitude ratio $r_{S}$ of $B^{0} \to D^{0} K^{* 0}$ and $B^{0} \to D^{0} ˉ K^{* 0}$ decays with a model-independent Dalitz plot analysis using $D\to K_S^0Ï^+…

hep-ex2014

Measurement of the branching fraction of $B^{+} \to I ¨ ^{+} I^½_{I ¨} $ decays with the semileptonic tagging method and the full Belle data sample

Belle Collaboration, A. Abdesselam, I. Adachi +392

We report a measurement of the branching fraction of $B^{+} \to I ¨ ^{+} I^½_{I ¨} $ decays using a data sample of $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $I^¥ (4 S)$ resonance with…

Search for B -> h(*) nu nubar with the full Belle Y(4S) data sample

O. Lutz, S. Neubauer, M. Heck +173

We report a search for the rare decays B -> h(*) nu nubar, where h(*) stands for K+, Ks0, K*+, K*0, pi+, pi0, rho+, rho0 and phi. The results are obtained from a 711 fb-1 data samp…

Measurement of the CKM Matrix Element $∣ V_{c b} ∣$ from $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ at Belle

E. Waheed, P. Urquijo, I. Adachi +184

We present a new measurement of the CKM matrix element $∣ V_{c b} ∣$ from $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ decays, reconstructed with the full Belle data set of $711 f b^{- 1}$ …

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…

Measurements of branching fractions of leptonic and hadronic Ds+ meson decays and extraction of the Ds+ meson decay constant

A. Zupanc, I. Adachi, H. Aihara +169

We present measurements of absolute branching fractions of hadronic and leptonic Ds+ decays to K- K+ pi+, anti-K0 K+, eta pi+, mu+ nu_mu and tau+ nu_tau and report a search for the…

Study of Three-Body Y(10860) Decays

I. Adachi, K. Adamczyk, H. Aihara +337

We report preliminary results on the analysis of the three-body Y(10860)=> B barB pi, Y(10860) => (B barB* + c.c.) pi and Y(10860)=> B* barB* pi decays including an observation of…

Measurement of Branching Fraction and First Evidence of CP Violation in B0 --> a1+-(1260) pi-+ Decays

Belle Collaboration, J. Dalseno, I. Adachi +142

We present a measurement of the branching fraction and time-dependent CP violation parameters in B0 --> a_1^+-(1260) pi^-+ decays. The results are obtained from the final data samp…

hep-ex2010

Search for CP violating charge asymmetry in B^+ -> J/psi K^+ decays

K. Sakai, T. Kawasaki, H. Aihara +136

We present the result of a search for charge asymmetry in B^+ -> J/psi K^+ decays. The CP-violating charge asymmetry is measured to be A_CP(B^+ -> J/psi K^+) = [-0.76 +/- 0.50 (sta…

hep-ex2014

Measurement of the inclusive semileptonic branching fraction $B (B_{s}^{0} \to X^{-} ℓ^{+} I^½_{ℓ})$ at Belle

Belle Collaboration, C. Oswald, P. Urquijo +172

We report a measurement of the inclusive semileptonic $B_{s}^{0}$ branching fraction in a $121 f b^{- 1}$ data sample collected near the $I^¥ (5 S)$ resonance with the Belle detector at the…

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…

Measurements of Branching Fractions and Time-dependent CP Violating Asymmetries in $B^{0} \to D^{(*) \pm} D^{\mp}$ Decays

Belle Collaboration, M. RÃ¶hrken, I. Adachi +161

We report measurements of branching fractions and time-dependent CP asymmetries in $B^{0} \to D^{+} D^{-}$ and $B^{0} \to D^{*\pm} D^{\mp}$ decays using a data sample that contains $…

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…