J. Lee

activity

20052021

most citedThe Belle II Physics Book

570 citations · 1.8k across the 29 of their papers we have counts for

collaborators

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24 papers · 1 filter

hep-ex2021★ 1 cited

Study of $χ_{b J} (n P) \to ω Υ (1 S)$ at Belle

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

We report results from a study of hadronic transitions of the $χ_{b J} (n P)$ states of bottomonium at Belle. The $P$ -wave states are reconstructed in transitions to the $Υ (1 S)$ with…

hep-ex2021★ 2 cited

Measurement of $B$ ( $B_{s} \to D_{s} X$ ) with $B_{s}$ Semileptonic Tagging

B. Wang, K. Kinoshita, H. Aihara +153

We report the first direct measurement of the inclusive branching fraction $B (B_{s} \to D_{s} X)$ via $B_{s}$ tagging in $e^{+} e^{-} \to Υ$ (5S) events. Tagging is accomplish…

hep-ex2021★ 3 cited

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

Belle Collaboration, N. K. Nisar, V. Savinov +197

We report the results of the first search for the decay $B_{s}^{0} \to η^{'} η$ using $121.4 fb^{- 1}$ of data collected at the $Υ (5 S)$ resonance with the Belle dete…

hep-ex2020★ 21 cited

Measurement of Branching Fractions of $Λ_{c}^{+} \to η Λ π^{+}$ , $η Σ^{0} π^{+}$ , $Λ (1670) π^{+}$ , and $η Σ (1385)^{+}$

J. Y. Lee, K. Tanida, Y. Kato +200

We report branching fraction measurements of four decay modes of the $Λ_{c}^{+}$ baryon, each of which includes an $η$ meson and a $Λ$ baryon in the final state, and all of which a…

hep-ex2019★ 7 cited

Observation of $τ^{-} \to π^{-} ν_{τ} e^{+} e^{-}$ and search for $τ^{-} \to π^{-} ν_{τ} μ^{+} μ^{-}$

Belle Collaboration, Y. Jin, H. Aihara +195

We present the first measurements of branching fractions of rare tau-lepton decays, $τ^{-} \to π^{-} ν_{τ} ℓ^{+} ℓ^{-}$ ( $ℓ = e$ or $μ$ ), using a data sample corresponding t…

hep-ex2019★ 134 cited

Test of lepton flavor universality and search for lepton flavor violation in $B \to K ℓℓ$ decays

S. Choudhury, S. Sandilya, K. Trabelsi +220

We present measurements of the branching fractions for the decays $B \to K μ^{+} μ^{-}$ and $B \to K e^{+} e^{-}$ , and their ratio ( $R_{K}$ ), using a data sample of 711 $f b^{- 1}$ that…

hep-ex2019★ 16 cited

Search for $X (3872)$ and $X (3915)$ decay into $χ_{c 1} π^{0}$ in $B$ decays at Belle

V. Bhardwaj, S. Jia, I. Adachi +190

The Belle experiment searched for the exotic states X(3872) and X(3915) decaying to χc1 π0 in B⁺ → χc1 π0 K⁺ decays and set upper limits on the product branching fractions.

hep-ex2019★ 31 cited

Observation of a new structure near 10.75 GeV in the energy dependence of the $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n = 1, 2, 3$ ) cross sections

R. Mizuk, A. Bondar, I. Adachi +177

We report a new measurement of the $e^{+} e^{-} \to Υ (n S) π^{+} π^{-}$ ( $n = 1, 2, 3$ ) cross sections at energies from 10.52 to 11.02 GeV using data collected with the Belle detector at the KEKB as…

hep-ex2019★ 121 cited

First Results from the AMoRE-Pilot neutrinoless double beta decay experiment

V. Alenkov, H. W. Bae, J. Beyer +104

The Advanced Molybdenum-based Rare process Experiment (AMoRE) aims to search for neutrinoless double beta decay (0 $ν β β$ ) of $^{100}$ Mo with $\sim$ 100 kg of $^{100}$ Mo-enriched moly…

hep-ex2019★ 27 cited

Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive $e^{+} e^{-}$ annihilation at $s =$ 10.58 GeV

R. Seidl, I. Adachi, J. K. Ahn +183

We report measurements of the production cross sections of charged pions, kaons, and protons as a function of fractional energy, the event-shape variable called thrust, and the tra…

hep-ex2018★ 3 cited

Measurements of branching fraction and direct $C P$ asymmetry in $B^{\pm} \to K_{S}^{0} K_{S}^{0} K^{\pm}$ and a search for $B^{\pm} \to K_{S}^{0} K_{S}^{0} π^{\pm}$

The Belle Collaboration, A. B. Kaliyar, P. Behera +197

We study charmless hadronic decays of charged $B$ mesons to the final states $K_{S}^{0} K_{S}^{0} K^{\pm}$ and $K_{S}^{0} K_{S}^{0} π^{\pm}$ using a $711 f b^{- 1}$ data sample that cont…

hep-ex2018★ 10 cited

Observation of $e^{+} e^{-} \to γ χ_{c 1}$ and search for $e^{+} e^{-} \to γ χ_{c 0}, γ χ_{c 2},$ and $γ η_{c}$ at $s$ near 10.6 GeV at Belle

Belle Collaboration, S. Jia, X. L. Wang +190

Using data samples of 89.5~fb $^{- 1}$ , 711.0~fb $^{- 1}$ , and 121.4~fb $^{- 1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^{+} e^{-}$ collider at center-of-mass energ…

hep-ex2018★ 32 cited

Search for the rare decay of $B^{+} \to ℓ^{+} ν_{ℓ} γ$ 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 $B^{+} \to ℓ^{+} ν_{ℓ} γ$ with $ℓ = e, μ$ . For the search the full data set recorded by the Belle experim…

hep-ex2018★ 6 cited

Search for $C P$ violation with kinematic asymmetries in the $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decay

Belle Collaboration, J. B. Kim, E. Won +182

We search for $C P$ violation in the singly-Cabibbo-suppressed decay $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ using data corresponding to an integrated luminosity of $988\text{ }{\rm…

hep-ex2018★ 570 cited

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-ex2018★ 17 cited

Limits on Interactions between Weakly Interacting Massive Particles and Nucleons Obtained with NaI(Tl) crystal Detectors

K. W. Kim, G. Adhikari, P. Adhikari +22

Limits on the cross section for weakly interacting massive particles (WIMPs) scattering off nucleons in the NaI(Tl) detectors at the Yangyang Underground Laboratory are obtained wi…

hep-ex2007★ 44 cited

Measurement of CP Asymmetry in a Time-Dependent Dalitz Analysis of B^0 \to (ρπ)^0 and a Constraint on the Quark Mixing Matrix Angle ϕ_2

The Belle Collaboration, A. Kusaka, C. C. Wang +1

We present a measurement of CP asymmetry using a time-dependent Dalitz plot analysis of B0 --> pi+pi-pi0 decays based on a 414/fb data sample containing 449M BB pairs. The data was…

hep-ex2006★ 40 cited

Search for Invisible Decay of the $Υ (1 S)$

The Belle Collaboration, O. Tajima, H. Hayashii +4

We report results of a search for the invisible decay of the Upsilon(1S) via the Upsilon(3S)->pi+pi-Upsilon(1S) transition using a data sample of 2.9 fb^{-1} at the Upsilon(3S) res…

hep-ex2006★ 29 cited

Observation of B Decays to Two Kaons

S. -W. Lin, P. Chang

Using 449 million BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e^+e^- collider, we observe clear signals for B^+-> \bar{K}^0 K^+ and B^0-> \bar{K}^0…

hep-ex2006★ 116 cited

Measurement of the near-threshold $e^{+} e^{-} \to D^{() \pm} D^{\mp}$ cross section using initial-state radiation

Belle Collaboration

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

hep-ex2006★ 25 cited

Evidence for B-> eta' pi and improved measurements for B-> eta' K

The Belle Collaboration, J. Schuemann

We report evidence for exclusive two-body charmless hadronic B meson decays B-> eta' pi, and improved measurements of B-> eta' K. The results are obtained from a data sample of 386…

hep-ex2006★ 76 cited

Improved Constraints on D0-D0bar Mixing in D0 -> K+ pi- Decays from the Belle Detector

L. M. Zhang, Z. P. Zhang, J. Li

We report the results of a search for D0-D0bar mixing in D0 -> K+ pi- decays based on 400 fb^{-1} of data accumulated by the Belle detector at KEKB. Both assuming CP conservation a…

hep-ex2005★ 210 cited

Measurement of Azimuthal Asymmetries in Inclusive Production of Hadron Pairs in e+e- Annihilation at Belle

The Belle Collaboration, R. Seidl

The Collins effect connects transverse quark spin with a measurable azimuthal dependence in the yield of hadronic fragments around the quark's momentum vector. Using two different…

hep-ex2005★ 47 cited

Observation of b --> d gamma and Determination of |V_td/V_ts|

D. Mohapatra

We report the observation of the flavor-changing neutral current process b --> d gamma using a sample of 386*10^6 B meson pairs accumulated by the Belle detector at the KEKB e+ e-…

Study of χbJ​(nP)→ωΥ(1S) at Belle

Measurement of B(Bs​→Ds​X) with Bs​ Semileptonic Tagging

Search for the Decay Bs0​→η′η

Measurement of Branching Fractions of Λc+​→ηΛπ+, ηΣ0π+, Λ(1670)π+, and ηΣ(1385)+

Observation of τ−→π−ντ​e+e− and search for τ−→π−ντ​μ+μ−

Test of lepton flavor universality and search for lepton flavor violation in B→Kℓℓ decays

Search for X(3872) and X(3915) decay into χc1​π0 in B decays at Belle

Observation of a new structure near 10.75 GeV in the energy dependence of the e+e−→Υ(nS)π+π− (n=1,2,3) cross sections