論文・発表
研究成果
2026
- Interaction- and charge-changing cross sections for neutron-rich 63\ensuremath-80Cu isotopes toward the derivation of neutron skin thicknessNucl. Phys. A, 2026
- Performance of newly constructed plastic scintillator barrel in the WASA-FRS experiments and evaluation of radiation damage effects on multi-pixel photon counterNucl. Instrum. Meth. A, 2026
2025
- Measurement of ^3,4He(K^-, π^0)^3,4_ΛH reaction cross section and evaluation of hypertriton binding energySep 2025
- Excitation Spectra of the ^12\rm C(p,d) Reaction near the η’-Meson Emission Threshold Measured in Coincidence with High-Momentum ProtonsSep 2025
- Observation of Tensor-Driven High-Momentum Neutrons in ^16O via (p,d) Reactions and Zero-Degree Deuteron Momentum SpectroscopyAug 2025
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- Measurement of charge-changing cross section of neutron-rich nitrogen isotopes for determining their proton radiiNucl. Phys. A, Aug 2025
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2024
- Candidate for the Double Gamow–Teller Giant Resonance in ^48Ca Studied by the (^12C, ^12Be(0+2)) Reaction at 250 MeV/NucleonPTEP, Aug 2024
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- Search for η’-mesic nuclei in ^12C(p, dp) reaction with the WASA detector at GSI-FRSNuovo Cim. C, Aug 2024
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- Feasibility of the observation of η^\prime mesic nuclei in the semi-exclusive ^12C(p, dp) reactionJun 2024
- A compact start time counter using plastic scintillators readout with MPPC arrays for the WASA-FRS HypHI experimentNucl. Instrum. Meth. A, Jun 2024
- Measurement of the mesonic decay branch of the K\textasciimacronNN quasibound statePhys. Rev. C, Jun 2024
2023
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- Precise lifetime measurement of \ensuremathΛ4H hypernucleus using in-flight 4He(K\ensuremath-,\ensuremath\pi0)\ensuremathΛ4H reactionPhys. Lett. B, Jun 2023
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- Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learningJ. Phys. Conf. Ser., Jun 2023
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- Pole position of \ensuremathΛ(1405) measured in d(K\ensuremath-,n)\ensuremath\pi\ensuremathΣ reactionsPhys. Lett. B, Jun 2023
- Pion–nucleon sigma term \ensuremathσ\ensuremath\piN and deeply bound pionic atomsPTEP, Jun 2023
- Chiral symmetry restoration at high matter density observed in pionic atomsNature Phys., Jun 2023
2022
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- Time resolution and high-counting rate performance of plastic scintillation counter with multiple MPPC readoutNucl. Instrum. Meth. A, Jun 2022
- Status of J-PARC E73 experiment: first direct Hypertriton lifetime measurement with ^3H(K^- , \pi^0)^3_ΛH reactionRev. Mex. Fis. Suppl., Jun 2022
- Measurements of Strong-Interaction Effects in Kaonic-Helium Isotopes at Sub-eV Precision with X-Ray MicrocalorimetersPhys. Rev. Lett., Jun 2022
- Summary of the K^- pp bound-state observation in E15 and future prospectsEPJ Web Conf., Jun 2022
- Comparison of ^3_Λ/^4_ΛH production cross-section via (K^-, \pi^0) reaction at J-PARCEPJ Web Conf., Jun 2022
- Charge-changing cross sections for Ca42–51 and effect of charged-particle evaporation induced by neutron-removal reactionsPhys. Rev. C, Jun 2022
2021
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- Comment on “Search for \ensuremathη’ Bound Nuclei in the C12(\ensuremathγ,p) Reaction with Simultaneous Detection of Decay Products”Phys. Rev. Lett., Jun 2021
2020
- Search for \ensuremathη’-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIRJ. Phys. Conf. Ser., Jun 2020
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- Excitation of baryonic resonances in stable medium-mass nuclei of SnJ. Phys. Conf. Ser., Jun 2020
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- ηN Scattering Parameters and Possible η’d Bound State from ηPhotoproduction on the DeuteronActa Phys. Polon. B, Jun 2020
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- Performance of the FOREST/BLC Spectrometer for Study of the η-nucleon Interaction via the γd →pηn ReactionSpringer Proc. Phys., Jun 2020
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- Development of a Method to Deduce Point-proton Radii from Charge Changing Cross SectionsJPS Conf. Proc., Jun 2020
- Excitation of Baryonic Resonances in Isobaric Charge-Exchange Reactions of Medium-Mass NucleiJPS Conf. Proc., Jun 2020
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2019
- Spectroscopic study of the Λ(1405) resonance via the d(K^−, n) reaction at J-PARCAIP Conf. Proc., Jun 2019
- Λ(1405) Spectroscopy via the In-flight d(K^−, n) Reaction at the J-PARC K1.8BRJPS Conf. Proc., Jun 2019
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- ”K^-pp”, a \overline K-Meson Nuclear Bound State, Observed in ^3He(K^-, Λp) n ReactionsPhys. Lett. B, Jun 2019
2018
- Search for Borromean halo structure in the Island of InversionDAE Symp. Nucl. Phys., Jun 2018
- Spectroscopy of Pionic Atoms in ^122Sn(d,^3He) Reaction and Angular Dependence of the Formation Cross SectionsPhys. Rev. Lett., Jun 2018
- Missing-mass spectroscopy of the ^12C(p,d) reaction near the η^\prime-meson production thresholdPhys. Rev. C, Jun 2018
2017
- Extension of the J-PARC Hadron Experimental Facility - summary reportJun 2017
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- Spectroscopic Experiment of Λ(1405) via the In-flight d(K^−, n) Reaction at J-PARC K1.8BRJPS Conf. Proc., Jun 2017
- ηn Scattering Length from the γd \to p ηn Reaction at E_γ ∼0.9\hspace0.25emGeVJPS Conf. Proc., Jun 2017
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- Probing Strong Interaction with Kaonic Atoms\hspace0.25em—\hspace0.25emfrom DA\ensuremathΦNE to J-PARCJPS Conf. Proc., Jun 2017
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- Spectroscopic Study of Hyperon Resonace Below \overline K N Threshold via the d(K^−,n) ReactionJPS Conf. Proc., Jun 2017
- Low-energy Scattering Parameters Between the eta Meson and Nucleon from eta Photoproduction on the DeuteronActa Phys. Polon. B, Jun 2017
- First Results on the Experimental Search for η^\prime -Mesic Nuclei with the ^12C(p,d) ReactionActa Phys. Polon. B, Jun 2017
- Beamline Test of a Transition-Edge-Sensor Spectrometer in Preparation for Kaonic-Atom MeasurementsIEEE Trans. Appl. Supercond., Jun 2017
- Search for Tetraneutron by Pion Double Charge Exchange Reaction at J-PARCJPS Conf. Proc., Jun 2017
2016
- Search for \ensuremathη’ mesic nuclei by missing-mass spectroscopy of the ^12C(p,d) reactionEPJ Web Conf., Jun 2016
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- Measurement of excitation spectra in the ^12C(p,d) reaction near the η’ emission thresholdPhys. Rev. Lett., Jun 2016
- First application of superconducting transition-edge-sensor microcalorimeters to hadronic-atom x-ray spectroscopyPTEP, Jun 2016
- Experimental program of the Super-FRS Collaboration at FAIR and developments of related instrumentationNucl. Instrum. Meth. B, Jun 2016
- Study of the elementary (K^−, n) reactions to search for the \barKNN bound state via the^3He (K^−, n) reaction at J-PARCAIP Conf. Proc., Jun 2016
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- Absolute Energy Calibration of X-ray TESs with 0.04 eV Uncertainty at 6.4 keV in a Hadron-Beam EnvironmentJ. Low Temp. Phys., Jun 2016
2015
- Spectroscopy of η’-nucleus bound states at GSI and FAIR — very preliminary results and future prospects —Hyperfine Interact., Jun 2015
- Measurement of the strong interaction induced shift and width of the 1s state of kaonic deuterium at J-PARCActa Phys. Polon. B, Jun 2015
- Search for η’(958)-nucleus Bound States by (p,d) Reaction at GSI and FAIRActa Phys. Polon. B, Jun 2015
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- Spectroscopic Study of Hyperon Resonances below \barKN Threshold via the (K^-,n) Reaction on DeuteronJPS Conf. Proc., Jun 2015
- J-PARC E19 Experiment: Pentaquark \ensuremathΘ+ Search in Hadronic Reaction at J-PARCJPS Conf. Proc., Jun 2015
- Search for the deeply bound K^-pp state from the semi-inclusive forward-neutron spectrum in the in-flight K^- reaction on helium-3PTEP, Jun 2015
2014
- Search for the K^-pp bound state via the ^3He(K^-, n) reaction at 1 GeV/cJ. Phys. Conf. Ser., Jun 2014
- η’ mesic nucleus spectroscopy with (p,d) reaction at GSIIn 20th International Conference on Particles and Nuclei, Sep 2014
- High-resolution search for the Θ^+ pentaquark via a pion-induced reaction at J-PARCPhys. Rev. C, Sep 2014
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- Spectroscopy of eta-prime Mesic Nuclei via Semi-Exclusive Measurement at FAIREPJ Web Conf., Sep 2014
- A search for the K^−pp bound state in the ^3He(K^−_in-flight, n) reaction at J-PARCEPJ Web Conf., Sep 2014
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- Missing Mass Spectroscopy of η’ Mesic Nuclei with the (p,d) Reaction at GSIEPJ Web Conf., Sep 2014
- Meson Bound States Spectroscopy in Nuclei: Pionic Atoms at RIBF and η^\prime -Mesic Nuclei at GSI/FAIRActa Phys. Polon. B, Sep 2014
- A Search for Deeply-bound Kaonic Nuclear States by In-flight ^3He(K^-, n) Reaction at J-PARCActa Phys. Polon. B, Sep 2014
- Search for deeply bound Kaonic nuclear states via ^3He(K^−, n) reaction at J-PARCIn 7th International Symposium on Chiral Symmetry in Hadrons and Nuclei, Sep 2014
- Search for the K^-pp bound state via the in-flight ^3He(K^-, n) reactionEPJ Web Conf., Sep 2014
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2013
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- A search for deeply-bound kaonic nuclear state at the J-PARC E15 experimentNucl. Phys. A, Sep 2013
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2012
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- Search for the Θ^+ pentaquark via the \pi^-p\to K^-X reaction at 1.92 GeV/cPhys. Rev. Lett., Sep 2012
- Feasibility Study of Observing eta’ Mesic Nuclei with (p,d) ReactionProg. Theor. Phys., Sep 2012
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2011
- Spectroscopic study of Lambda(1405) via the in-flight (K-, n) reaction on deuteronAIP Conf. Proc., Sep 2011
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- Precision Spectroscopy of Deeply Bound Pionic Atoms and Partial Restoration of Chiral Symmetry in MediumProg. Theor. Phys., Sep 2011
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- Performance evaluation of Silicon Drift Detectors for a precision X-ray spectroscopy of kaonic helium-3J. Phys. Conf. Ser., Sep 2011
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2010
- Three- and four-nucleon absorption processes observed in the K^–^4He reaction at restSep 2010
- Precision spectroscopy of Kaonic helium-3 and helium-4 3d —\ensuremath> 2p X-raysAIP Conf. Proc., Sep 2010
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- Current status and future experimental program of the SHARAQ spectrometerAIP Conf. Proc., Sep 2010
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- Baryon resonance production in the \pi+d reaction and search for η-mesic nuclei at J-PARCIn Workshop on Hadron and Nuclear Physics, Feb 2010
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- An integrated data acquisition system for J-PARC hadron experimentsIEEE Trans. Nucl. Sci., Feb 2010
- Experimental projects for spectroscopy of pionic atoms and N(*)(1535) in nucleiProg. Theor. Phys. Suppl., Feb 2010
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2009
- Exploring the Southern Boundaries of the “Island of Inversion” at the RIBFAIP Conf. Proc., Feb 2009
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- Search for strange tribaryon states in the He-4(stopped K-, p) reactionInt. J. Mod. Phys. A, Feb 2009
- Pionic atom factory project in the RIBF: Spectroscopy of pionic atom in ^122Sn(d,^3He) Nuclear ReactionHyperfine Interact., Feb 2009
2008
- Experimental research of kaonic nuclei and kaonic atoms at J-PARCIn 18th International Conference on Particles and Nuclei, Nov 2008
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- Search for strange tribaryon states in the inclusive ^4He(K^-_stopped, p) reactionPhys. Lett. B, Nov 2008
2007
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- Precision measurement of the 3d —\ensuremath> 2p x-ray energy in kaonic He-4Phys. Lett. B, Nov 2007
- Search for a kaonic nuclear state via ^4He(K^−, N) reaction at restIn 9th International Conference on Hypernuclear and Strange Particle Physics, Nov 2007
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- Precision spectroscopy of kaonic helium-4 X-raysIn 9th International Conference on Hypernuclear and Strange Particle Physics, Nov 2007
- Experimental search of strange tribaryons in the ^4He(K_stop^−, n) reactionIn 9th International Conference on Hypernuclear and Strange Particle Physics, Nov 2007
2006
2005
- Kaonic atoms at DAFNE: DEAR and SIDDHARTAIn 6th International Conference on Nuclear Physics at Storage Rings, May 2005
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- Spectroscopy of pionic atoms with unstable nucleiIn 2nd International Conference on Exotic Atoms and Related Topics, May 2005
- Silicon drift detectors for hadronic atom research - SIDDHARTAIn 2nd International Conference on Exotic Atoms and Related Topics, May 2005
2004
- Measurement of kaonic hydrogen with DEAR at DAFNE and future perspectivesIn 5th Italy-Japan Symposium on Recent Achievements and Perspectives in Nuclear Physics, Nov 2004
- The kaonic helium caseIn 5th Italy-Japan Symposium on Recent Achievements and Perspectives in Nuclear Physics, Nov 2004
- Strange multi-baryon and kaonic atomsIn 5th Italy-Japan Symposium on Recent Achievements and Perspectives in Nuclear Physics, Nov 2004
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- Discovery of a strange tribaryon S0(3115) in He-4(stopped K-, p) reactionPhys. Lett. B, Nov 2004
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- Precision spectroscopy of pionic 1s states of Sn nuclei and evidence for partial restoration of chiral symmetry in the nuclear mediumPhys. Rev. Lett., Nov 2004
2003
- Evidence for a strongly bound kaonic system K- ppn in the He-4(stopped K-,n) reactionOct 2003
- Observation of pionic 1s states in Sn nuclei and its implications on chiral symmetry restorationProg. Theor. Phys. Suppl., Oct 2003
- Experimental search for kaonic nuclear bound states in the He-4(stopped K-,n) reactionProg. Theor. Phys. Suppl., Oct 2003
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- Generation and investigation of radioactive muonic atoms in solid hydrogen filmsNucl. Phys. A, Oct 2003
2002
- Exotic atoms production with DEAR on DAPHNEIn 7th International Workshop on Meson Production, Properties and Interaction, May 2002
- Measurements of the interaction cross sections for Ar and Cl isotopesNucl. Phys. A, May 2002[Erratum: Nucl.Phys.A 727, 465–466 (2003)]
- Experimental indication of a reduced chiral order parameter from the 1s \pi^- state in ^205PbPhys. Lett. B, May 2002
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- Deeply bound 1s and 2p pionic states in Pb-205 and determination of the S wave part of the pion nucleus interactionPhys. Rev. Lett., May 2002
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- Deeply bound 1s and 2p pionic states in Pb-205 and effective pion mass in nuclear matterAIP Conf. Proc., May 2002
2001
- He-4(stopped K-,n) spectroscopy for deeply bound kaonic nuclear statesNucl. Instrum. Meth. A, May 2001
2000
- Meson bound-state search experimentsSoryushiron Kenkyu, May 2000
- Observation of well-resolved 1s and 2p pi- states in Pb by high resolution (d,He-3) spectroscopyNucl. Phys. A, May 2000
- Deeply bound pi- states in Pb-207 formed in the Pb-208(d, He-3) reaction Part I: Experimental method and resultsPhys. Rev. C, May 2000
- Deeply bound pi- states in Pb-207 formed in the Pb-208(d, He-3) reaction Part II: Deduced binding energies and widths and the pion-nucleus interactionPhys. Rev. C, May 2000
1998
- Discovery of deeply bound pi- states in the Pb-208(d,He-3) reactionActa Phys. Polon. B, May 1998
- Effective pion mass in the nuclear medium deduced from deeply bound pionic states in Pb-207Phys. Lett. B, May 1998
1996
1995
- Performance of a prototype RICH detector using a CsI photocathode readout with low pressure avalancheNucl. Instrum. Meth. A, May 1995