R. Gillard

Study of Excited $I^_{c}$ States Decaying into $I^_{c}^{0}$ and $I^_{c}^{+}$ Baryons

Belle Collaboration, J. Yelton, I. Adachi +151

Using a data sample of 980 $fb^{- 1}$ of $e^{+} e^{-}$ annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we report the resu…

First Observation of the Zb0(10610) in a Dalitz Analysis of Y(5S) -> Y(nS) pi0 pi0

P. Krokovny, A. Bondar, I. Adachi +183

We report the first observation of Y(5S) -> Y(nS) pi0 pi0 decays. The neutral partner of the Zb+-(10610), the Zb0(10610) decaying to Y(2,3S) pi0, is observed for the first time wit…

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…

Energy scan of the $e^{+} e^{-} \to h_{b} (n P) I ¨ ^{+} I ¨ ^{-}$ $(n = 1, 2)$ cross sections and evidence for $I^¥ (11020)$ decays into charged bottomonium-like states

Belle Collaboration, R. Mizuk, A. Bondar +155

Using data collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider, we measure the energy dependence of the $e^{+} e^{-} \to h_{b} (n P) I ¨ ^{+} I ¨ ^{-}$ $(n = 1, 2)$ cross s…

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-ex2018

Production cross sections of hyperons and charmed baryons from $e^{+} e^{-}$ annihilation near $s = 10.52$ ~GeV

Belle Collaboration, M. Niiyama, M. Sumihama +167

We measure the inclusive production cross sections of hyperons and charmed baryons from $e^{+} e^{-}$ annihilation using a 800 fb $^{- 1}$ data sample taken near the $I^¥ (4 S)$ resonance wi…

Inclusive cross sections for pairs of identified light charged hadrons and for single protons in $e^{+} e^{-}$ at $s =$ 10.58 GeV

Belle Collaboration, R. Seidl, A. Abdesselam +172

We report the first double differential cross sections of two charged pions and kaons ( $e^{+} e^{-} \to hh X$ ) in electron-positron annihilation as a function of the fractional e…

First Observation of CP Violation in B0->D(*)CP h0 Decays by a Combined Time-Dependent Analysis of BaBar and Belle Data

The BaBar, Belle Collaborations, : +471

We report a measurement of the time-dependent CP asymmetry of B0->D(*)CP h0 decays, where the light neutral hadron h0 is a pi0, eta or omega meson, and the neutral D meson is recon…

Observation of an alternative $I ¨ _{c 0} (2 P)$ candidate in $e^{+} e^{-} \to J / I ¨ D D ˉ$

Belle Collaboration, K. Chilikin, I. Adachi +167

We perform a full amplitude analysis of the process $e^{+} e^{-} \to J / I ¨ D D ˉ$ , where $D$ refers to either $D^{0}$ or $D^{+}$ . A new charmoniumlike state $X^{*} (3860)$ that deca…

Measurements of Branching Fractions of $I ¨ $ Lepton Decays with one or more $K_{S}^{0}$

Belle Collaboration, S. Ryu, I. Adachi +147

We report measurements of branching fractions of $I ¨ $ lepton decays to final states with a $K_{S}^{0}$ meson using a 669 fb $^{- 1}$ data sample accumulated with the Belle detector a…

Study of $D^{**}$ production and light hadronic states in the $B ˉ^{0} \to D^{*+} I ¨ I ¨ ^{-}$ decay

Belle Collaboration, D. Matvienko, A. Kuzmin +162

We report on the first observations of $B ˉ^{0} \to D_{1} (2430)^{0} I ¨ $ , $B ˉ^{0} \to D_{1} (2420)^{0} I ¨ $ and $B ˉ^{0} \to D_{2}^{*} (2460)^{0} I ¨ $ decays. The $\bar{B}^0 \to D^{*+} Ï(1450…

Measurement of $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I ¨ (2 S)$ via Initial State Radiation at Belle

X. L. Wang, C. Z. Yuan, C. P. Shen +151

We report measurement of the cross section of $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I ¨ (2 S)$ between 4.0 and $5.5 GeV$ , based on an analysis of initial state radiation events in a $980 \rm fb^{-…

First observation of the hadronic transition $I^¥ (4 S) \to I^\cdot h_{b} (1 P)$ and new measurement of the $h_{b} (1 P)$ and $I^\cdot_{b} (1 S)$ parameters

The Belle Collaboration, U. Tamponi, R. Mussa +156

Using a sample of $771.6 \times 1 0^{6}$ $I^¥ (4 S)$ decays collected by the Belle experiment at the KEKB $e^{+} e^{-}$ collider, we observe for the first time the transition $Î¥(4S) \to Î·…

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…

Search for the process $e^{+} e^{-} \to J / I ¨ + X (1835)$ at $s \approx 10.6$ GeV

Belle Collaboration, X. H. He, J. Wang +116

We report the results of a search for the $X (1835)$ state in the process $e^{+} e^{-} \to J / I ¨ + X (1835)$ using a data sample of 672 fb $^{- 1}$ collected with the Belle detector at and near…

Amplitude analysis of e+e- => Y(nS)pi+pi- at sqrt(s)=10.865 GeV

A. Garmash, A. Bondar, A. Kuzmin +175

We report results on studies of the e+e- annihilation into three-body Y(nS)pi+pi- (n=1,2,3) final states including measurements of cross sections and the full amplitude analysis. T…

Measurement of $e^{+} e^{-} \to I^^{3} I ¨ _{c J}$ via initial state radiation at Belle

Belle Collaboration, Y. L. Han, X. L. Wang +142

The process $e^{+} e^{-} \to I^^{3} I ¨ _{c J}$ ( $J$ =1, 2) is studied via initial state radiation using 980 fb $^{- 1}$ of data at and around the $I^¥ (n S)$ ( $n$ =1, 2, 3, 4, 5) resonances collected…

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…

Evidence for Isospin Violation and Measurement of $C P$ Asymmetries in $B \to K^{*} (892) I^^{3}$

T. Horiguchi, A. Ishikawa, H. Yamamoto +190

We report the first evidence for isospin violation in $B \to K^{*} I^^{3}$ and the first measurement of difference of $C P$ asymmetries between $B^{+} \to K^{*+} I^^{3}$ and $B^{0} \to K^{* 0} I^^{3}$ …

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…

Observation of a new charged charmoniumlike state in B -> J/psi K pi decays

Belle Collaboration, K. Chilikin, R. Mizuk +162

We present the results of an amplitude analysis of anti-B0 -> J/psi K- pi+ decays. A new charged charmoniumlike state Zc(4200)+ decaying to J/psi pi+ is observed with a significanc…

Search for $C P$ Violation and Measurement of the Branching Fraction in the Decay $D^{0} \to K_{S}^{0} K_{S}^{0}$

N. Dash, S. Bahinipati, V. Bhardwaj +196

We report a study of the decay $D^{0} \to K_{S}^{0} K_{S}^{0}$ using 921~fb $^{- 1}$ of data collected at or near the $I^¥ (4 S)$ and $I^¥ (5 S)$ resonances with the Belle detector at the KEKB asymm…

Evidence for B_s^0 -> Lambda_c^+ Lambda-bar pi^-

Belle Collaboration, E. Solovieva, R. Chistov +163

Using 121.4 fb^{-1} of data collected with the Belle detector at the Y(5S) resonance at the KEKB asymmetric-energy e^+e^- collider, we report evidence for the B_s^0 -> Lambda_c^+ L…

Observation of the decay $B^{0} \to I^\cdot^{'} K^{*} (892)^{0}$

Belle Collaboration, S. Sato, Y. Yusa +161

We report a search for charmless hadronic decays of neutral $B$ mesons to $I^\cdot^{'} K^{*} (892)^{0}$ . The results are based on a 711fb $^{- 1}$ data sample that contains $772\times 10^6 B\…

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…

Search for $B^{0} \to I ¨ ^{-} I ¨ ^{+} I^½_{I ¨} $ with hadronic tagging at Belle

Belle Collaboration, P. Hamer, A. Frey +181

We search for the process $B^{0} \to I ¨ ^{-} I ¨ ^{+} I^½_{I ¨} $ using the full Belle data set of $711 fb^{- 1}$ , corresponding to $772 \times 1 0^{6} B B ˉ$ pairs, collected at the $Î¥(4…

Observation of $B^{0} \to p I^ˉ D^{(*) -}$

Y. -Y. Chang, M. -Z. Wang, A. Abdesselam +167

We report the first observation of the decays $B^{0} \to p I^ˉ D^{(*) -}$ . The data sample of $711$ fb $^{- 1}$ used in this analysis corresponds to $772$ million $B B ˉ$ p…

Search for $B^{+} \to e^{+} I^½$ and $B^{+} \to I^¼^{+} I^½$ decays using hadronic tagging

Y. Yook, Y. -J. Kwon, A. Abdesselam +174

We present a search for the rare leptonic decays $B^{+} \to e^{+} I^½_{e}$ and $B^{+} \to I^¼^{+} I^½_{I^} ¼$ , using the full $I^¥ (4 S)$ data sample of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected wit…

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…

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 $I^¥ (5 S)$ …

Measurement of $e^{+} e^{-} \to I ¨ I ¨ ^{0}$ , $K^{} (892) K ˉ$ and $K_{2}^{} (1430) K ˉ$ at $s$ near 10.6 GeV

Belle Collaboration, C. P. Shen, C. Z. Yuan +161

Using data samples of 89 fb $^{- 1}$ , 703 fb $^{- 1}$ , and 121 fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider at center-of-mass energies 10…

Measurement of Branching Fractions and CP Asymmetries in B -> wK Decays and First Evidence of CP Violation in B0 -> wKS0

V. Chobanova, J. Dalseno, C. Kiesling +171

We present a measurement of the branching fractions and charge-parity-(CP-) violating parameters in B -> omega K decays. The results are obtained from the final data sample contain…

Measurement of the Decays $B \to I^\cdot ℓ I^½_{ℓ}$ and $B \to I^\cdot^{'} ℓ I^½_{ℓ}$ in Fully Reconstructed Events at Belle

Belle Collaboration, C. BeleÃ±o, J. Dingfelder +142

We report branching fraction measurements of the decays $B^{+} \to I^\cdot ℓ^{+} I^½_{ℓ}$ and $B^{+} \to I^\cdot^{'} ℓ^{+} I^½_{ℓ}$ based on 711~fb $^{- 1}$ of data collected near the $I^¥ (4 S)$ resona…

Measurement of the direct $C P$ asymmetry in $B ˉ \to X_{s + d} I^^{3}$ decays with a lepton tag

L. PesÃ¡ntez, P. Urquijo, J. Dingfelder +180

We report the measurement of the direct $C P$ asymmetry in the radiative $B ˉ \to X_{s + d} I^^{3}$ decay using a data sample of $(772 \pm 11) \times 1 0^{6}$ $B B ˉ$ pairs colle…

Measurement of the Wrong-Sign Decay D0 -> K+ pi- pi+ pi-

Belle Collaboration, E. White, A. J. Schwartz +170

A measurement of the rate for the "wrong-sign" decay D0 -> K+ pi- pi+ pi- relative to that for the "right-sign" decay D0 -> K- pi+ pi+ pi- is presented. Using 791 fb-1 of data coll…

Measurements of the masses and widths of the $I^£_{c} (2455)^{0/ ++}$ and $I^£_{c} (2520)^{0/ ++}$ baryons

Belle Collaboration, S. -H. Lee, B. R. Ko +160

We present measurements of the masses and decay widths of the baryonic states $I^£_{c} (2455)^{0/ ++}$ and $I^£_{c} (2520)^{0/ ++}$ using a data sample corresponding to an integrated lum…

Evidence of $I^¥ (1 S) \to J / I ¨ + I ¨ _{c 1}$ and search for double-charmonium production in $I^¥ (1 S)$ and $I^¥ (2 S)$ decays

Belle Collaboration, S. D. Yang, C. P. Shen +155

Using data samples of $102 \times 1 0^{6}$ $I^¥ (1 S)$ and $158 \times 1 0^{6}$ $I^¥ (2 S)$ events collected with the Belle detector, a first experimental search has been made for double-charmoniu…

Search for doubly charmed baryons and study of charmed strange baryons at Belle

Y. Kato, T. Iijima, I. Adachi +167

We report results of a study of doubly charmed baryons and charmed strange baryons. The analysis is performed using a 980 fb^-1 data sample collected with the Belle detector at the…

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}…

Updated Cross Section Measurement of $e^{+} e^{-} \to K^{+} K^{-} J / I ¨ $ and $K_{S}^{0} K_{S}^{0} J / I ¨ $ via Initial State Radiation at Belle

Belle Collaboration, C. P. Shen, C. Z. Yuan +159

The cross sections of the processes $e^{+} e^{-} \to K^{+} K^{-} J / I ¨ $ and $K_{S}^{0} K_{S}^{0} J / I ¨ $ are measured via initial state radiation at center-of-mass energies between the threshold and 6.…

Invariant-mass and fractional-energy dependence of inclusive production of di-hadrons in $e^{+} e^{-}$ annihilation at $s =$ 10.58 GeV

Belle Collaboration, R. Seidl, I. Adachi +159

The inclusive cross sections for di-hadrons of charged pions and kaons ( $e^{+} e^{-} \to hh X$ ) in electron-positron annihilation are reported. They are obtained as a function of…

Evidence of a new narrow resonance decaying to $I ¨ _{c 1} I^^{3}$ in $B \to I ¨ _{c 1} I^^{3} K$

Belle Collaboration, V. Bhardwaj, K. Miyabayashi +188

We report measurements of $B \to I ¨ _{c 1} I^^{3} K$ and $I ¨ _{c 2} I^^{3} K$ decays using $772 \times 1 0^{6}$ $B B ˉ$ events collected at the $I^¥ (4 S)$ resonance with the Belle detector at th…

First Observation of the Decay B0->psi(2S)pi0

V. Chobanova, J. Dalseno, C. Kiesling +180

We report a measurement of the $B^{0} \to I ¨ (2 S) I ¨ ^{0}$ branching fraction based on the full $I^¥ (4 S)$ data set of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected by the Belle detect…

Search for $B^{0}$ decays to invisible final states at Belle

Belle Collaboration, C. -L. Hsu, P. Chang +154

We report a search for $B^{0}$ decays into invisible final states using a data sample of $657 \times 1 0^{6}$ $B B ˉ$ pairs collected at the $I^¥ (4 S)$ resonance with the Belle det…

Search for the $0^{--}$ Glueball in $I^¥ (1 S)$ and $I^¥ (2 S)$ decays

Belle Collaboration, S. Jia, C. P. Shen +168

We report the first search for the $J^{P C} = 0^{--}$ glueball in $I^¥ (1 S)$ and $I^¥ (2 S)$ decays with data samples of $(102 \pm 2)$ million and $(158 \pm 4)$ million events, respectively, c…

Observation of $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{0} I ¨ _{b J}$ and search for $X_{b} \to I ¨ I^¥ (1 S)$ at $s \sim 10.867$ GeV

Belle Collaboration, X. H. He, C. P. Shen +158

The $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{0} I ¨ _{b J}$ ( $J = 0, 1, 2$ ) processes are studied using a 118~fb $^{- 1}$ data sample collected at a center-of-mass energy of 10.867 GeV, in the $I^¥ (10860)$ …

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…

Observation of Ï(4040) and Ï(4160) decay into Î·J/Ï

Belle Collaboration, X. L. Wang, Y. L. Han +126

The cross section for e^+e^- \to Î·J/Ïbetween \sqrt{s}=3.8 GeV/c^2 and 5.3 GeV/c^2 is measured via initial state radiation using 980 fb^{-1} of data on and around the Î¥(nS)(n=1,2…

Evidence for Semileptonic B- to p pbar l nubar Decays

K. -J. Tien, M. -Z. Wang, I. Adachi +166

We find evidence for the semileptonic baryonic decay $B^{-} \to p p ˉ ℓ^{-} I^ˉ ½_{ℓ}$ ( $ℓ = e, I^¼$ ), based on a data sample of 772 million $B B ˉ$ pairs collected at the $Î¥(4S)…

Search for a massive invisible particle $X^{0}$ in $B^{+} \to e^{+} X^{0}$ and $B^{+} \to I^¼^{+} X^{0}$ decays

C. -S. Park, Y. -J. Kwon, I. Adachi +165

We present a search for a non-Standard-Model invisible particle $X^{0}$ in the mass range $0.1 - 1.8 GeV / c^{2}$ in $B^{+} \to e^{+} X^{0}$ and $B^{+} \to I^¼^{+} X^{0}$ d…

Evidence for the suppressed decay B^- -> DK^-, D -> K^+Ï^-Ï^0

Belle Collaboration, M. Nayak, J. Libby +158

We report a study of the suppressed decay B^- -> DK^-, D -> K^+Ï^-Ï^0, where D denotes either a D^0 or a \bar{D}^0 meson. The decay is sensitive to the CP-violating parameter Ï_…

Search for the decay $B^{+} \to K^{* 0} K^{*+}$ at Belle

Belle Collaboration, Y. M. Goh, Y. Unno +131

We report a search for the rare charmless decay $B^{+} \to K^{* 0} K^{*+}$ using a data sample of $772 \times 1 0^{6}$ $B B ˉ$ pairs collected at the $I^¥ (4 S)$ resonanc…

Measurement of the CP Violation Parameters in B0 -> pi+ pi- Decays

Belle Collaboration, J. Dalseno, K. Prothmann +188

We present a measurement of the time-dependent charge-parity (CP) violation parameters in B0 -> pi+ pi- decays. The results are obtained from the final data sample containing 772 m…

Measurement of $B^{0} \to D_{s}^{-} K_{S}^{0} I ¨ ^{+}$ and $B^{+} \to D_{s}^{-} K^{+} K^{+}$ branching fractions

J. Wiechczynski, J. Stypula, A. Abdesselam +171

We report a measurement of the $B^{0}$ and $B^{+}$ meson decays to the $D_{s}^{-} K_{S}^{0} I ¨ ^{+}$ and $D_{s}^{-} K^{+} K^{+}$ final states, respectively, using $657 \times 1 0^{6} B B$ pairs co…

Search for heavy neutrinos at Belle

Belle Collaboration, D. Liventsev, I. Adachi +173

We report on a search for heavy neutrinos in B-meson decays. The results are obtained using a data sample that contains 772x10^6 BB-bar pairs collected at the Upsilon(4S) resonance…

Measurement of the decay $B \to D ℓ I^½_{ℓ}$ in fully reconstructed events and determination of the Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{c b} ∣$

R. Glattauer, C. Schwanda, A. Abdesselam +178

We present a determination of the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element $∣ V_{c b} ∣$ using the decay $B \to D ℓ I^½_{ℓ}$ ( $ℓ = e, I^¼$ ) based on 711 fb $^{- 1}$ of $…

First Observation of Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: $I^_{c}^{+} \to p K^{+} I ¨ ^{-}$

Belle Collaboration, S. B. Yang, K. Tanida +190

We report the first observation of the decay $I^_{c}^{+} \to p K^{+} I ¨ ^{-}$ using a 980 $f b^{- 1}$ data sample collected by the Belle detector at the KEKB asymmetr…

Search for $D^{0}$ decays to invisible final states at Belle

Y. -T. Lai, M. -Z. Wang, I. Adachi +159

We report the result from the first search for $D^{0}$ decays to invisible final states. The analysis is performed on a data sample of 924 $fb^{- 1}$ collected at and near the $Î…

Search for B+ -> l+ nu gamma decays with hadronic tagging using the full Belle data sample

A. Heller, P. Goldenzweig, M. Heck +161

We search for the decay B+ -> l+ nu gamma with l+ = e+ or mu+ using the full Belle data set of 772 x 10^6 BBbar pairs, collected at the Y(4S) resonance with the Belle detector at t…

First Observation of Cabibbo-Suppressed Î_c^0 Decays

Belle Collaboration, R. Chistov, I. Adachi +177

We report the first observation of the Cabibbo-suppressed decays $I^_{c}^{0} \to I^^{-} K^{+}$ , $Î_c^0\raÎK^+ K^-$ and $I^_{c}^{0} \to I^ I ¨ $ , using a data sample of $711\, \mat…

Angular analysis of the $e^{+} e^{-} \to D^{() \pm} D^{\mp}$ process near the open charm threshold using initial-state radiation

Belle Collaboration, V. Zhukova, H. Aihara +149

We report a new measurement of the exclusive $e^{+} e^{-} \to D^{(*) \pm} D^{*\mp}$ cross sections as a function of the center-of-mass energy from the $D^{(*) \pm} D^{*\mp}$ threshold…

Evidence for the decay B0 --> K+K-pi0

The Belle Collaboration, V. Gaur, G. B. Mohanty +168

We report a search for charmless hadronic decays of neutral B mesons to the final state K+K-pi0. The results are based on a 711 fb^-1 data sample that contains 772x10^6 BB-bar pair…

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…

Measurement of the branching fraction of B^+ -> tau^+ nu_tau decays with the semileptonic tagging method

Belle Collaboration, B. Kronenbitter, M. Heck +180

We report a measurement of the branching fraction of B^+ -> tau^+ nu_tau decays using a data sample of 772 x 10^6 BBbar pairs, collected at the Y(4S) resonance with the Belle detec…

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…

Search for CP Violation in the Decay $D^{+} \to K_{S}^{0} K^{+}$

B. R. Ko, E. Won, I. Adachi +142

We search for CP violation in the decay $D^{+} \to K_{S}^{0} K^{+}$ using a data sample with an integrated luminosity of 977 fb $^{- 1}$ collected with the Belle detector at the KEKB…

Measurement of $D^{0}$ - $D^{0}$ Mixing and Search for Indirect $C P$ Violation Using $D^{0} \to K_{S}^{0} I ¨ ^{+} I ¨ ^{-}$ Decays

Belle Collaboration, A. Abdesselam, I. Adachi +178

We report a measurement of $D^{0}$ - $D^{0}$ mixing parameters and a search for indirect $C P$ violation through a time-dependent amplitude analysis of ${D^0\to K_S^0…

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…

High-statistics study of K^0_S pair production in two-photon collisions

The Belle Collaboration, S. Uehara, Y. Watanabe +164

We report a high-statistics measurement of the differential cross section of the process gamma gamma --> K^0_S K^0_S in the range 1.05 GeV <= W <= 4.00 GeV, where W is the center-o…

Measurement of exclusive $I^¥ (1 S)$ and $I^¥ (2 S)$ decays into Vector-Pseudoscalar final states

Belle Collaboration, C. P. Shen, C. Z. Yuan +178

Using samples of 102 million $I^¥ (1 S)$ and 158 million $I^¥ (2 S)$ events collected with the Belle detector, we study exclusive hadronic decays of these two bottomonium resonances to $…

Search for the decay B0 -> phi gamma

Belle Collaboration, Z. King, B. Pal +167

We have searched for the decay B0 -> phi gamma using the full Belle data set of 772 x 10^6 BBbar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB e+…

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^+…

Evidence for B- -> Ds+ K- l- nubar and search for B- -> Ds*+ K- l- nubar

Belle Collaboration, J. Stypula, M. Rozanska +165

We report measurements of the decays B- -> Ds(*)+ K- l- nubar in a data sample containing 657x10^6 BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e+e-…

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…

physics.acc-ph2022

A Neural Network approach to reconstructing SuperKEKB beam parameters from beamstrahlung

S. Di Carlo, G. Bonvicini, N. A. Althubiti +16

This work shows how it is possible to reconstruct SuperKEKB's beam parameters using a Neural Network with beamstrahlung signal from the Large Angle Beamstrahlung Monitor (LABM) as…

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…

Observation of the decay $B_{s}^{0} \to K^{0} K^{0}$

Belle Collaboration, B. Pal, A. J. Schwartz +181

We measure the decay $B_{s}^{0} \to K^{0} K^{0}$ using data collected at the $I^¥ (5 S)$ resonance with the Belle detector at the KEKB $e^{+} e^{-}$ collider. The data sample used…

Measurement of the branching ratio of $B ˉ \to D^{()} I ¨ ^{-} I^ˉ ½_{I ¨} $ relative to $B ˉ \to D^{()} ℓ^{-} I^ˉ ½_{ℓ}$ decays with hadronic tagging at Belle

Belle Collaboration, M. Huschle, T. Kuhr +201

We report a measurement of the branching fraction ratios R(D(*)) of Bbar -> D(*) tau- nubar_tau relative to Bbar -> D()* l- nubar_l (where l = e or mu) using the full Belle data sa…

Observation of $D^{0} - D ˉ^{0}$ Mixing in $e^{+} e^{-}$ Collisions

B. R. Ko, E. Won, I. Adachi +164

We observe $D^{0} - D ˉ^{0}$ mixing in the decay $D^{0} \to K^{+} I ¨ ^{-}$ using a data sample of integrated luminosity 976 fb $^{- 1}$ collected with the Belle detector at the KEKB $e^…

Search for Bottomonium States in Exclusive Radiative Upsilon(2S) Decays

Belle Collaboration, S. Sandilya, K. Trabelsi +173

We search for bottomonium states in Upsilon(2S)-> (bb-bar) gamma decays with an integrated luminosity of 24.7fb^-1 recorded at the Upsilon(2S) resonance with the Belle detector at…

Measurement of Time-Dependent $C P$ Violation in $B^{0} \to I^\cdot^{'} K^{0}$ Decays

Belle Collaboration, L. Å antelj, Y. Yusa +163

We present a measurement of the time-dependent $C P$ violation parameters in $B^{0} \to I^\cdot^{'} K^{0}$ decays. The measurement is based on the full data sample containing $772 \times 1 0^{6}$ $B\b…

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…

Study of e+e- => B() B()-bar pi+- at sqrt(s)=10.866 GeV

A. Garmash, A. Abdesselam, I. Adachi +158

We report the analysis of the three-body e+e- => B B-bar pi, B B*-bar pi, and B* B*-bar pi processes, including the first observation of the Zb+-(10610) =>[B B*-bar+c.c.]+- and Zb+…

Search for $B \to h I^½ I^ˉ ½$ decays with semileptonic tagging at Belle

The Belle Collaboration, J. Grygier, P. Goldenzweig +203

We present the results of a search for the rare decays $B \to h I^½ I^½$ , where $h$ stands for $K^{+}, K_{S}^{0}, K^{*+}, K^{* 0}, I ¨ ^{+}, I ¨ ^{0}, I ¨ ^{+}$ and $Ï^{…

Search for B -> phi pi decays

Belle collaboration, J. H. Kim, M. Nakao +149

We report on a search for the charmless decays $B^{+} \to I ¨ I ¨ ^{+}$ and $B^{0} \to I ¨ I ¨ ^{0}$ that are strongly suppressed in the Standard Model. The analysis is based on a data sampl…

Study of Exclusive B->X_u l nu Decays and Extraction of |V_{ub}| using Full Reconstruction Tagging at the Belle Experiment

Belle Collaboration, A. Sibidanov, K. E. Varvell +166

We report the results of a study of the exclusive semileptonic decays B->pi0lnu, B->pi+lnu, B->rho0lnu, B->rho+lnu and B->omegalnu, where l represents an electron or a muon. The ev…

Measurement of the branching fraction and $C P$ asymmetry in $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ decays, and an improved constraint on $I ¨ _{2}$

The Belle Collaboration, T. Julius, M. E. Sevior +183

We measure the branching fraction and $C P$ violation asymmetry in the decay $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ , using a data sample of $752 \times 1 0^{6}$ $B B ˉ$ pairs collected at the $Î¥…

First measurement of $T$ -odd moments in $D^{0} \to K_{S}^{0} I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ decays

Belle Collaboration, K. Prasanth, J. Libby +193

We report the first measurement of the $T$ -odd moments in the decay $D^{0} \to K_{S}^{0} I ¨ ^{+} I ¨ ^{-} I ¨ ^{0}$ from a data sample corresponding to an integrated luminosity…

Search for B0 to p Lambdabar pi- gamma at Belle

Y. -T. Lai, M. -Z. Wang, I. Adachi +148

We search for the charmless B^0 decay with final state particles p Lambdabar pi^- gamma using the full data sample that contains 772 * 10^6 B Bar pairs collected at the Upsilon(4S)…

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…

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…

Measurement of the $I ¨ $ -lepton lifetime at Belle

Belle Collaboration, K. Belous, M. Shapkin +163

The lifetime of the $I ¨ $ -lepton is measured using the process $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-}$ , where both $I ¨ $ -leptons decay to $3 I ¨ I^½_{I ¨} $ . The result for the mean lifetime, based on $…

Measurements of the $I^¥ (10860)$ and $I^¥ (11020)$ resonances via $I ¨ (e^{+} e^{-} \to I^¥ (n S) I ¨ ^{+} I ¨ ^{-})$

Belle Collaboration, D. Santel, K. Kinoshita +158

We report new measurements of the total cross sections for $e^{+} e^{-} \to I^¥ (n S) I ¨ ^{+} I ¨ ^{-}$ ( $n$ = 1, 2, 3) and $e^{+} e^{-} \to b b ˉ$ from a high-luminosity fine scan of the region $…

Search for the rare decay $D^{0} \to I^^{3} I^^{3}$ at Belle

Belle Collaboration, N. K. Nisar, G. B. Mohanty +180

We search for the rare radiative decay $D^{0} \to I^^{3} I^^{3}$ using a data sample with an integrated luminosity of $832 f b^{- 1}$ recorded by the Belle detector at the KEKB $e^{+} e^{-}$ asym…

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…

Study of $I ¨ ^{0}$ pair production in single-tag two-photon collisions

The Belle Collaboration, M. Masuda, S. Uehara +177

We report a measurement of the differential cross section of $I ¨ ^{0}$ pair production in single-tag two-photon collisions, $Î³^* Î³\to Ï^0 Ï^0$, in $e^{+} e^{-}$ scattering. The cross…

Experimental constraints on the spin and parity of the Z(4430)+

Belle Collaboration, K. Chilikin, R. Mizuk +188

We perform a full amplitude analysis of B0 -> psi' K+ pi- decays, with psi' -> mu+ mu- or e+ e-, to constrain the spin and parity of the Z(4430)-. The J^P=1+ hypothesis is favored…

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^…

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…