M. Fujita

activity

20152025

most citedObservation of Spin-Dependent Charge Symmetry Breaking in

Λ N

Interaction: Gamma-Ray Spectroscopy of

_{Λ}^{4}

115 citations · 427 across the 12 of their papers we have counts for

collaborators

13 papers

nucl-ex2025

Measurement of $Λ$ Polarization in the $π^{-} p \to K^{0} Λ$ Reaction at $p_{π^{-}} = 1.33$ GeV/ $c$ toward a New $Λ p$ Scattering Experiment

PARC E40 Collaboration, T. Sakao, K. Miwa +69

This paper presents high-precision experimental data of the polarization of the $Λ$ hyperon in the $π^{-} p \to K^{0} Λ$ reaction, measured in the angular range $0.6<\cos θ^{CM}_{K0…

nucl-ex2025

Cross section Measurements for $^{12}$ C $(K^{-}, K^{+} Ξ^{-})$ and $^{12}$ C $(K^{-}, K^{+} ΛΛ)$ Reactions at 1.8 GeV $/ c$

Woo Seung Jung, Yudai Ichikawa, Byung Min Kang +30

We present a measurement of the production of $Ξ^{-}$ and $ΛΛ$ in the $^{12}$ C $(K^{-}, K^{+})$ reaction at an incident beam momentum of 1.8 GeV/ $c$ , based on high-statistics dat…

nucl-ex2022

Measurement of differential cross sections for $Σ^{+} p$ elastic scattering in the momentum range 0.44-0.80 GeV/c

PARC E40 Collaboration, T. Nanamura, K. Miwa +69

We performed a novel $Σ^{+} p$ scattering experiment at the J-PARC Hadron Experimental Facility. Approximately 2400 $Σ^{+} p$ elastic scattering events were identified from $4.9 \times…

nucl-ex2021★ 2 cited

Precise measurement of differential cross sections of the Σ-p --> Λ n reaction in momentum range 470-650 MeV/c

PARC E40 Collaboration, K. Miwa, J. K. Ahn +69

The differential cross sections of the Σ-p --> Λ n reaction were measured accurately for the Σ- momentum (p_{Σ}) ranging from 470 to 650 MeV/c at the J-PARC Hadron Experimental Fac…

nucl-ex2021★ 1 cited

Measurement of the differential cross sections of the Sigma-p elastic scattering in momentum range of 470 to 850 MeV/c

PARC E40 Collaboration, K. Miwa, J. K. Ahn +69

A high statistics $Σ p$ scattering experiment has been performed at the J-PARC Hadron Experimental Facility. Data for momentum-tagged $Σ^{-}$ running in a liquid hydrogen target wer…

nucl-ex2021★ 51 cited

First observation of a nuclear $s$ -state of $Ξ$ hypernucleus, $_{Ξ}^{15} C$

M. Yoshimoto, J. K. Ahn, B. Bassalleck +46

Bound-systems of $Ξ^{-}$ -- $_{14} N$ are studied via $Ξ^{-}$ capture at rest followed by emission of a twin single- $Λ$ hypernucleus in the emulsion detectors. Two events forming…

nucl-ex2021★ 11 cited

Spectroscopy of $A = 9$ hyperlithium by the $(e, e^{'} K^{+})$ reaction

T. Gogami, C. Chen, D. Kawama +84

Missing mass spectroscopy with the $(e, e^{'} K^{+})$ reaction was performed at Jefferson Laboratory's Hall C for the neutron rich $Λ$ hypernucleus $_{Λ}^{9} Li$ . The ground…

nucl-ex2020★ 72 cited

Observation of Coulomb-assisted nuclear bound state of $Ξ^{-}$ - $^{14}$ N system

S. H. Hayakawa, K. Agari, J. K. Ahn +95

In an emulsion-counter hybrid experiment performed at J-PARC, a $Ξ^{-}$ absorption event was observed which decayed into twin single- $Λ$ hypernuclei. Kinematic calculations enabled a…

nucl-ex2018★ 55 cited

Observation of a Be double-Lambda hypernucleus in the J-PARC E07 experiment

H. Ekawa, K. Agari, J. K. Ahn +100

A double- $Λ$ hypernucleus, $_{ΛΛ} Be$ , was observed by the J-PARC E07 collaboration in nuclear emulsions tagged by the $(K^{-}, K^{+})$ reaction. This event was interprete…

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-ex2016★ 31 cited

Spectroscopy of the neutron-rich hypernucleus $_{Λ}^{7}$ He from electron scattering

T. Gogami, C. Chen, D. Kawama +83

The missing mass spectroscopy of the $_{Λ}^{7}$ He hypernucleus was performed, using the $^{7}$ Li $(e, e^{'} K^{+})_{Λ}^{7}$ He reaction at the Thomas Jefferson National Accelerator Fa…

nucl-ex2015★ 70 cited

High Resolution Spectroscopic Study of $_{Λ}^{10}$ Be

T. Gogami, C. Chen, D. Kawama +83

Spectroscopy of a $_{Λ}^{10}$ Be hypernucleus was carried out at JLab Hall C using the $(e, e^{'} K^{+})$ reaction. A new magnetic spectrometer system (SPL+HES+HKS), specifically d…

nucl-ex2015★ 115 cited

Observation of Spin-Dependent Charge Symmetry Breaking in $Λ N$ Interaction: Gamma-Ray Spectroscopy of $_{Λ}^{4}$ He

T. O. Yamamoto, M. Agnello, Y. Akazawa +51

The energy spacing between the ground-state spin doublet of $_{Λ}^{4}$ He(1 $^{+}$ ,0 $^{+}$ ) was determined to be $1406 \pm 2 \pm 2$ keV, by measuring $γ$ rays for the $1^{+} \to 0^{+}$ transitio…

Measurement of Λ Polarization in the π−p→K0Λ Reaction at pπ−​=1.33 GeV/c toward a New Λp Scattering Experiment

Cross section Measurements for 12C(K−,K+Ξ−) and 12C(K−,K+ΛΛ) Reactions at 1.8 GeV/c

Measurement of differential cross sections for Σ+p elastic scattering in the momentum range 0.44-0.80 GeV/c

Precise measurement of differential cross sections of the Σ-p --> Λ n reaction in momentum range 470-650 MeV/c

Measurement of the differential cross sections of the Sigma-p elastic scattering in momentum range of 470 to 850 MeV/c

First observation of a nuclear s-state of Ξ hypernucleus, Ξ15​C

Spectroscopy of A=9 hyperlithium by the (e,e′K+) reaction

Observation of Coulomb-assisted nuclear bound state of Ξ−-14N system