Japan Atomic Energy Agency

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belle detector 1 b meson decays 1 chi_c1 1 exotic charmonium 1 upper limits 1

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19932026

most citedSpin Seebeck insulator

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nucl-ex2017★ 19 cited

First Determination of Level Structure of an $s d$ -Shell Hypernucleus, $_{Λ}^{19} F$

S. B. Yang, J. K. Ahn, Y. Akazawa +45

We report on the first observation of $γ$ rays emitted from an $s d$ -shell hypernucleus, $_{Λ}^{19} F$ . The energy spacing between the ground state doublet, $1/ 2^{+}$ and $3/ 2^{+}$ …

nucl-th2017★ 85 cited

A 4-dimensional Langevin approach to low-energy nuclear fission of $^{236}$ U

Chikako Ishizuka, Mark D. Usang, Fedir A. Ivanyuk +3

We developed a four-dimensional Langevin model which can treat the deformation of each fragment independently and applied it to low energy fission of 236U, the compound system of t…

hep-ex2017★ 21 cited

Search for $B^{-} \to μ^{-} ν ˉ_{μ}$ Decays at the Belle Experiment

Belle Collaboration, A. Sibidanov, K. E. Varvell +184

We report the result of a search for the decay $B^{-} \to μ^{-} ν ˉ_{μ}$ . The signal events are selected based on the presence of a high momentum muon and the topology of the rest of…

physics.ins-det2017★ 11 cited

Characterization of Germanium Detectors for the Measurement of the Angular Distribution of Prompt gamma-rays at the ANNRI in the MLF of the J-PARC

Shusuke Takada, Takuya Okudaira, Fumiya Goto +9

In this study, the germanium detector assembly, installed at the Accurate Neutron-Nuclear Reaction measurement Instruments (ANNRI) in the Material and Life Science Facility (MLF) o…

hep-ex2017★ 10 cited

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

Belle Collaboration, M. Masuda, S. Uehara +185

We report a measurement of the cross section for $K_{S}^{0}$ pair production in single-tag two-photon collisions, $γ^{*} γ \to K_{S}^{0} K_{S}^{0}$ , for $Q^{2}$ up to 30 GeV $^{2}$ , where $Q^{2}$ is the…

hep-ex2017★ 2 cited

Search for light tetraquark states in $Υ (1 S)$ and $Υ (2 S)$ decays

Belle Collaboration, S. Jia, C. P. Shen +192

We search for the $J^{P C} = 0^{--}$ and $1^{+-}$ light tetraquark states with masses up to 2.46~GeV/ $c^{2}$ in $Υ (1 S)$ and $Υ (2 S)$ decays with data samples of $(102 \pm 2)$ million and…

First Determination of Level Structure of an sd-Shell Hypernucleus, Λ19​F

A 4-dimensional Langevin approach to low-energy nuclear fission of 236U

Search for B−→μ−νˉμ​ Decays at the Belle Experiment