Cross-section measurement of237Np (n,𝛄) from 10 meV to 1 keV at Japan Proton Accelerator Research Complex

Hirose, K.; Furutaka, Kazuyoshi; Hara, K.; Harada, Hideo; Kimura, A.; Kin, Tadahiro; Kitatani, Fumito; Koizumi, M.; Nakamura, Shôji; Oshima, M.; Toh, Yosuke; Igashira, M.; Katabuchi, Tatsuya; Mizumoto, M.; Kamiyama, Takashi; Kino, K.; Kiyanagi, Yoshiaki; Hori, J.

doi:10.1080/00223131.2013.757470

Cited by 29 publications

(8 citation statements)

References 19 publications

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“…The neutron filter materials have been fabricated and tested in neutron beam experiments at Tokyo Tech and J-PARC. In the Tokyo Tech experiments, a neutron beam from the 7 Li(p,n) 7 Be reaction induced by a proton beam from a Pelletron accelerator bombarding a Li target was used. Transmission spectra were measured by the TOF method with a 6 Li glass scintillator.…”

Section: Project Tasks 21 Neutron Beam Filtermentioning

confidence: 99%

“…The peak is observed at 24 keV, the neutron resonance energy of 56 Fe. In the J-PARC experiments, transmission neutron spectra were measured by detecting the 10 B(n,αγ) 7 Li prompt γ-rays from a boron sample with the NaI(Tl) detector. Figure 3 shows a neutron TOF spectrum for 10-cm thick Fe filter.…”

Section: Project Tasks 21 Neutron Beam Filtermentioning

confidence: 99%

“…1. Although many nuclear data measurements have been already conducted using ANNRI successfully [6][7][8][9][10][11], this project aims to improve ANNRI, focusing on neutron capture cross section measurement of MAs in the fast neutron energy region, particularly 0.5 -500 keV. To achieve the goal, the project consists of four tasks: (1) development of a neutron beam filter system in J-PARC, (2) neutron capture cross section measurement using the ANNRI NaI(Tl) detectors, (3) sample characteristic assay, and (4)theoretical reaction model study.…”

Section: Introductionmentioning

confidence: 99%

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Fast Neutron Capture Reaction Data Measurement of Minor Actinides for Development of Nuclear Transmutation Systems

Katabuchi¹,

Iwamoto

Hori

et al. 2020

EPJ Web Conf.

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A research project entitled "study on accuracy improvement of fast-neutron capture reaction data of long-lived MAs for development of nuclear transmutation systems" is ongoing as a joint collaboration, including Tokyo Tech, Japan Atomic Energy Agency and Kyoto University in Japan. This project focuses on neutron capture reaction of minor actinides 237Np, 241Am and 243Am, in the fast neutron energy region. The final goal of this project is to improve the neutron capture cross sections utilizing a high-intensity neutron beam from a spallation neutron source of the Japan Proton Research Complex. The overview of the project and the current progress are presented.

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Section: Project Tasks 21 Neutron Beam Filtermentioning

confidence: 99%

Section: Project Tasks 21 Neutron Beam Filtermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fast Neutron Capture Reaction Data Measurement of Minor Actinides for Development of Nuclear Transmutation Systems

Katabuchi¹,

Iwamoto

Hori

et al. 2020

EPJ Web Conf.

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“…The results for 244 Cm and 246 Cm show that neutron-capture cross sections are deduced by using ANNRI, where a small amount (less than 1 mg) of a high radioactive sample can be used [111][112][113].…”

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confidence: 98%

Materials and Life Science Experimental Facility (MLF) at the Japan Proton Accelerator Research Complex II: Neutron Scattering Instruments

Nakajima

Kawakita

Itoh

et al. 2017

QuBS

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Abstract:The neutron instruments suite, installed at the spallation neutron source of the Materials and Life Science Experimental Facility (MLF) at the Japan Proton Accelerator Research Complex (J-PARC), is reviewed. MLF has 23 neutron beam ports and 21 instruments are in operation for user programs or are under commissioning. A unique and challenging instrumental suite in MLF has been realized via combination of a high-performance neutron source, optimized for neutron scattering, and unique instruments using cutting-edge technologies. All instruments are/will serve in world-leading investigations in a broad range of fields, from fundamental physics to industrial applications. In this review, overviews, characteristic features, and typical applications of the individual instruments are mentioned.

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“…A small fraction of the beam pulses (1-2%) was not transmitted to the spallation target. This beam absent period was considerably useful because background by overlapping neutrons can be directly measured during the period [6]. Background of scattering neutrons was estimated from measurements with a graphite sample.…”

Section: Experiments and Data Analysismentioning

confidence: 99%

Measurement of the neutron capture cross section of ⁹⁹Tc using ANNRI at J-PARC

et al. 2017

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Cross-section measurement of²³⁷Np (n,𝛄) from 10 meV to 1 keV at Japan Proton Accelerator Research Complex

Cited by 29 publications

References 19 publications

Fast Neutron Capture Reaction Data Measurement of Minor Actinides for Development of Nuclear Transmutation Systems

Fast Neutron Capture Reaction Data Measurement of Minor Actinides for Development of Nuclear Transmutation Systems

Materials and Life Science Experimental Facility (MLF) at the Japan Proton Accelerator Research Complex II: Neutron Scattering Instruments

Measurement of the neutron capture cross section of ⁹⁹Tc using ANNRI at J-PARC

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Cross-section measurement of237Np (n,𝛄) from 10 meV to 1 keV at Japan Proton Accelerator Research Complex

Cited by 29 publications

References 19 publications

Fast Neutron Capture Reaction Data Measurement of Minor Actinides for Development of Nuclear Transmutation Systems

Fast Neutron Capture Reaction Data Measurement of Minor Actinides for Development of Nuclear Transmutation Systems

Materials and Life Science Experimental Facility (MLF) at the Japan Proton Accelerator Research Complex II: Neutron Scattering Instruments

Measurement of the neutron capture cross section of 99Tc using ANNRI at J-PARC

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Cross-section measurement of²³⁷Np (n,𝛄) from 10 meV to 1 keV at Japan Proton Accelerator Research Complex

Measurement of the neutron capture cross section of ⁹⁹Tc using ANNRI at J-PARC