Peer-Reviewed Papers(1) Transverse momentum dependent forward neutron single spin asymmetries in transversely
polarized p+p collisions at √s=200 GeV
U. A. Acharya, S. Hasegawa, H. Sako, S. Sato, K. Tanida, et al. (PHENIX Collaboration)
Phys. Rev. D 103 (2021) 3, 032007(2) Observation of Coulomb-Assisted Nuclear Bound State of Ξ- - 14N System
S. H. Hayakawa, S. Hasegawa, Y. Ichikawa, K. Imai, T. Nanamura, H. Sako, S. Sato, H. Tamura, T.
O. Yamamoto, et al.
Phys. Rev. Lett. 126 (2021) 6, 062501(3) Measurement of branching fractions and CP asymmetries for D+s→K+(η, π0) and D+s→π+(η, π0)decays at BelleY. Guan, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 103 (2021) 12005.
(4) Test of lepton flavor universality in B→K*ℓ+ℓ- decays at BelleA. Abdesselam, K. Tanida, et al. (Belle Collaboration):
Phys. Rev. Lett. 126 (2021), 161801.
(5) Measurements of the branching fractions of Λ+c→pη and Λ+c→pπ0 decays at BelleS. X. Li, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 103 072004 (2021).
(6) Search for the dark photon in B0→A’A’, A’→e+e-, µ+µ-, and π+π- decays at BelleS.-H. Park, K. Tanida, et al. (Belle Collaboration):
J. High Energ. Phys. 2021, 191 (2021).
(7) Measurement of Branching Fraction and Search for CP Violation in B→ϕϕK
S. Mohanty, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 103 052013 (2021).
(9) Evidence for X(3872)→J/Ψ π+π- produced in single-tag two-photon interactions
Y. Teramoto, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. Lett. 126 122001 (2021).
(10) Transverse single-spin asymmetries of midrapidity π0 and η mesons in polarized p+p collisions at√s = 200 GeV
U. A. Acharya, S. Hasegawa, H. Sako, S. Sato, K. Tanida, et al. (PHENIX Collaboration)
Phys. Rev. D 103 052009 (2021).
(11) Measurement of time-dependent CP violation parameters in B0→KS0 KS0 KS0 decays at Belle,
K.H. Kang, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 103 032003 (2021).
(12) Data acquisition system in the first commissioning run of the J-PARC E16 experimentT. N. Takahashi, M. Naruki, H. Sako, S. Sato, et al.
IEEE Trans. Nucl. Sci. (2021), doi: 10.1109/TNS.2021.3087635.

(13) Search for Bs0→η’Xss- at Belle using a semi-inclusive method
S. Dubey and K. Tanida et al. (Belle Collaboration)
Phys. Rev. D 104 (2021) 1, 012007(14) Measurements of partial branching fractions of inclusive B→Xul+νl decays with hadronic tagging
L. Cao, and K. Tanida et al. (Belle Collaboration)
Phys. Rev. D 104 (2021) 1, 012008(15) Measurement of the resonant and nonresonant branching ratios of Ξc0→Ξ0K+KJ. T. McNeil, K. Tanida et al. (Belle Collaboration)
Phys. Rev. D 103 (2021) 11, 112002(16) Measurements of the branching fractions of Λ+c→ηΛπ+, ηΛπ0, Λ(1670) π+ and ηΣ(1385)+
J. Y. Lee, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 103 (2021) 5, 052005.
(17) First determination of the spin and parity of the charmed-strange baryon Ξc(2970)+T. J. Moon, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 103 (2021) 11, L111101.
(18) Measurement of the branching fraction of the decay B+→π+π-l+νl in fully reconstructed events atBelleC. Beleno, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 103 (2021) 11, 112001(19) Deexcitation dynamics of muonic atoms revealed by high-precision spectroscopy of electronic K
X raysT. Okumura, T. Hashimoto, et al.
Phys. Rev. Lett. 127 (2021) 5, 053001.
(20) Test of lepton-flavor-universality and search for lepton-flavor-violation in B→Kℓ+ℓ- decays
S. Choudhury, K. Tanida, et al. (Belle Collaboration):
J. High Energ. Phys. 2021, 105 (2021).
(21) Exploring dense baryonic matter and multi-strangeness at J-PARC
H. Sako for the J-PARC Collaboration
Nucl. Phys. A 1005 (2021) 121916.
(22) First observation of a nuclear s-state of Ξ hypernucleus, 15ΞC,
M. Yoshimoto, M. Fujita, T. Hashimoto, Y. Ichikawa, T. Nanamura, M. Naruki, H. Sako, S. Sato, H.
Tamura, T. O. Yamamoto, K. Tanida, et al.
Prog. Theor. Exp. Phys. 2021 (2021) 7.
(23) Measurement of the masses and widths of the Σc(2455)+ and Σc(2420)+ baryons
J. Yelton, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 104 (2021) 5, 052003(24) Search for the decay Bs0→η’ η
N. K. Nisar and K. Tanida et al. (Belle Collaboration)

Phys. Rev. D 104 (2021) 3, L031101(25) Measurements of branching fractions and search for CP violation in D0 → π+ π-η, D0 →K+ Κ-η, and D0→φη at BelleL. K. Li, K. Tanida, et al. (Belle Collaboration)
J. High. Energ. Phys. 2021 (2021) 075(26) Evidence for the decay Ωc0→π+Ω(2012)−→π+(Κ−Ξ)−Y. Li, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 104 (2021) 5, 052005(27) Measurement of branching fractions of the semileptonic decays for Ξ0c → Ξ-l+νl and theasymmetric parameter of Ξ0c→Ξ-π+
Y. B. Li, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. Lett. 127, 121803 (2021)(28) Search for the ηc2(1D) in e+e− → γηc2(1D) at √s near 10.6GeV at Belle
S. Jia, and K. Tanida, et al. (Belle Collaboration)
Phys. Rev. D 104 012012 (2021).
__(29) Measurements of branching fractions and asymmetry parameters of Ξ0c→ Λ K∗0, Ξ0c→ Σ0K∗0,and Ξ0c→ Σ+K∗− decays at Belle,
S. Jia, K. Tanida, et al. (Belle Collaboration):
J. High Energ. Phys. 2021, 160 (2021).
(30) Test of lepton-flavor universality in B → K∗ℓ+ℓ− decays at Belle
S. Wehle, K. Tanida, et al. (Belle Collaboration)
Phys. Rev. Lett. 126 161801 (2021).
___(31) Measurement of the energy dependence of the e+e- →BB, BB* and B*B* exclusive crosssections
R. Mizuk, K. Tanida, et al. (Belle Collaboration)
J. High Energ. Phys. 2021 (2021) 137(32) Slow control and monitoring system at the JSNS2
J. S. Park, S. Hasegawa, et al.
Prog. Theor. Exp. Phys. 2021 (2021) 6, 063C01(33) Search for lepton-flavor-violating tau-lepton decays to ℓγ at BelleK. Uno, K. Tanida, et al.
J. High Energ. Phys. 2021, 019 (2021).
(34) The JSNS2 Detector
S.Ajimura, S.Hasegawa, Y.Hino, T.Dodo, et al
Nucl. Inst. Meth. A 1014 (2021) 165742

Invited Talks at International Conferences(1) Measurement of scattering length with high-resolution spectroscopy of threshold cusp
K.Tanida
Workshop on Strangeness in Neutron Stars - Physics at J-PARC HIHR/K1.1 beam lines (online,June 17-19, 2021).
(2) A new method to measure scattering length with threshold cusp
K. Tanida
Workshop on Fundamental Physics at the Strangeness Frontier at DAϕNE (online, Feb. 25-26,2021)(3) Charm baryons at Belle and Belle II
K. Tanida
Workshop on Physics of heavy-quark and exotic hadrons 2021 (online, Feb. 15-17, 2021)(4) Baryon studies at J-PARC-HI
H. SakoWorkshop on Physics of Omega Baryons at the J-PARC-K10 Beam Line (June 7-9, 2021)(5) Baryon spectroscopy at Belle/Belle II
K. Tanida
Workshop on Physics of Omega Baryons at the J-PARC-K10 Beam Line (June 7-9, 2021)(6) Purpose of the workshop / Overview of the HIHR/K1.1 project --Elucidation of neutron stars fromnuclear physics
H. TamuraWorkshop Strangeness in Neutron Stars --Physics at J-PARC HIHR/K1.1 beam lines (June 17-19,2021)(7) Future prospect of gamma-ray spectroscopy of Λ hypernuclei @ J-PARC K1.1 beamline
T. O. YamamotoWorkshop Strangeness in Neutron Stars -Physics at J-PARC HIHR/K1.1 beam lines (June 17-19,2021)(8) X-ray measurement of kaonic He-3,4 atoms with a high-resolution microcalorimeter
T. Hashimoto
Joint THEIA-STRONG2020 and JAEA/Mainz REIMEI Online Seminar, Apr. 2021
(9) X-ray spectroscopy of Xi- atoms at J-PARC: E03 and future
T. O. Yamamoto
Joint THEIA-STRONG2020 and JAEA/Mainz REIMEI Online Seminar, May 2021
(10) Strangeness Nuclear Physics at J-PARC,
H. Tamura,
Hadron 2021, 19th International conference on hadron spectroscopy and structure, Universidad
Nacional Autónoma de México (online)
July 26-Aug 1, 2021.

(11) Kaonic atom X-rays at J-PARC,T. Hashimoto
EXA2021 - International Conference on Exotic Atoms and Related Topics
Online, September 13-17, 2021
Books and Scientific Articles
None
Patents
NoneAwards(1) 第２８回原子核談話会新人賞／第１６回日本物理学会若手奨励賞 (2021)
Observation of Coulomb-assisted nuclear bound state of Ξ--14N system
Shuhei Hayakawa(2) 2021 年度先端基礎研究センター センター長賞
For innovative contributions to X-ray spectroscopy of exotic atoms with microcalorimeters
Tadashi HashimotoPress Release(1) 最先端超伝導検出器で探るミュオン原子形成過程の全貌－負ミュオン・電子・原子核の織り成すフェムト秒ダイナミクス－橋本直他（2021 年７月）
Unveiling muonic atom forming process with state-of-art superconducting detector – femtosecond
dynamics of muon, electron, and nucleus –T. Hashimoto, et al (July 2021)
Phys. Rev. Lett. 125, 053001 (2021)(2) J-PARC ハドロン実験施設で奇妙な粒子と陽子の散乱現象を精密に測定―原子核を作る力の解明に大きな前進―
山本剛史 他（2021 年 11 月）
Precise measurement of the scattering of strange particles and protons at J-PARC Hadron Experimental
Facility – A big step towards unraveling the force to create nuclei –T. O. Yamamoto, et al (Nov. 2021)
Phys. Rev. C 104, 045204 (2021).