Search Results - "Oyaizu, M"
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Laser ion source for multi-nucleon transfer reaction products
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-06-2015)“…We have developed a laser ion source for the target-like fragments (TLFs) produced in multi-nucleon transfer (MNT) reactions. The operation principle of the…”
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Nuclear spectroscopy of r-process nuclei using KEK Isotope Separation System
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (15-01-2020)“…We developed KEK Isotope Separation System (KISS) in RIKEN Nishina center to produce neutron-rich isotopes around N = 126 for the study of β-decay properties…”
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3
On-line experimental results of an argon gas cell-based laser ion source (KEK Isotope Separation System)
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-06-2016)“…KEK Isotope Separation System (KISS) has been developed at RIKEN to produce neutron rich isotopes with N=126 to study the β-decay properties for application to…”
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4
Surface modification and deuterium retention in reduced-activation steels exposed to low-energy, high-flux pure and helium-seeded deuterium plasmas
Published in Journal of nuclear materials (15-04-2018)“…Surface topography of and deuterium (D) retention in reduced activation ferritic-martensitic Eurofer’97 and ferritic oxide dispersion strengthening ODS-16Cr…”
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Tritium distribution analysis of Be limiter tiles from JET-ITER like wall campaigns using imaging plate technique and β-ray induced X-ray spectrometry
Published in Fusion engineering and design (01-11-2020)“…•Tritium distributions in Be limiter tiles from the JET with ITER-like wall were analyzed.•The largest tritium retention was observed at the center of outer…”
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Search for efficient laser resonance ionization schemes of tantalum using a newly developed time-of-flight mass-spectrometer in KISS
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-06-2016)“…The technique of laser resonance ionization is employed for an element-selective ionization of multi-nucleon transfer reaction products which are stopped and…”
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Lifetime dependence of nitrided carbon stripper foils on sputter angle during N+ ion beam sputtering
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-09-2015)“…We fabricated high-lifetime thin nitride carbon stripper (NCS) foils with high nitrogen contents using ion-beam sputtering with reactive nitrogen gas and…”
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Direct measurement of nanoscale lithium diffusion in solid battery materials using radioactive tracer of 8Li
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-06-2016)“…We have developed an in situ and nanoscale Li diffusion measurement method in Li battery materials using an α-emitting radioactive 8Li tracer. In this method,…”
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Performance characteristics of HBC stripper foils irradiated by 650keV H− and high intensity DC ion beams
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-06-2014)“…Newly developed Hybrid type Boron mixed Carbon (HBC) stripper foils are extensively used not only for the RCS of J-PARC and PSR of LANL, but also for other low…”
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10
In situ lithium diffusion measurement in solid ionic conductors using short-lived radiotracer beam of 8Li
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-07-2015)“…We developed an in situ radiotracer method for diffusion studies in solids using short-lived α-emitting 8Li tracer. In the method, while implanting a pulsed…”
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11
Determination of retained tritium from ILW dust particles in JET
Published in Nuclear materials and energy (01-01-2020)“…•Quantitative tritium analyses, full combustion and liquid scintillography, in fusion dust particles were performed for the first time.•Similar levels of…”
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12
Suppression of carbon buildup and lifetime improvement by heating carbon stripper foils
Published in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (01-02-2011)“…We have successfully developed a new method to reduce the amount of carbon buildup on thin cluster (less than 3.5 μg/cm 2) carbon stripper foils by heating…”
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Sputtering angle effects by Kr mixing in N+ ion beam on the lifetime of nitrided carbon stripper foils
Published in Journal of radioanalytical and nuclear chemistry (01-02-2014)“…Nitrided carbon stripper (NCS) foils with high nitrogen content were produced by ion beam sputtering of reactive nitrogen gas. Such foils seem to be very…”
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14
Surface modification and sputtering erosion of iron and copper exposed to low-energy, high-flux deuterium plasmas seeded with metal species
Published in Nuclear materials and energy (01-12-2017)“…•Fe and Cu targets were exposed at various temperatures to low-energy, high-flux deuterium plasmas seeded with metal species•The surface morphology of the…”
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Beta-decay spectroscopy of r-process nuclei around N = 126
Published in EPJ Web of Conferences (01-01-2016)“…KEK Isotope Separation System (KISS) has been developed at RIKEN to study the β-decay properties of neutron-rich isotopes with neutron numbers around N = 126…”
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Journal Article Conference Proceeding -
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Low-background prebunching system for heavy-ion beams at the Tokai radioactive ion accelerator complex
Published in Physical review special topics. PRST-AB. Accelerators and beams (19-03-2012)“…A novel beam-bunching technique has been implemented at a heavy-ion linear accelerator facility by installing a compact two-gap prebuncher and a multilayer…”
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Present Status of KEK Isotope Separation System
Published in EPJ Web of conferences (01-01-2014)“…KISS (KEK Isotope Separation System) has been constructed at Nishina Research Center (NRC) of RIKEN to study the decay properties of heavy neutron-rich…”
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A test preparation of thick carbon stripper foils for RCS of J-PARC
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2004)“…Japan-Proton Accelerator Research Complex requires thick carbon stripper foils (300–500 μg/cm 2) to strip electrons from the H − beam supplied by the linac…”
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Tokai Radioactive Ion Accelerator Complex (TRIAC)
Published in The European physical journal. ST, Special topics (01-11-2007)“…An ISOL-based radioactive nuclear beam (RNB) facility, Tokai Radioactive Ion Accelerator Complex (TRIAC), has been jointly developed by High Energy Accelerator…”
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Lifetime improvement of nitrided carbon stripper foils by ion-beam sputtering with a binary gas mixture
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2004)“…The lifetimes of our carbon stripper foils (10–25 μg/cm 2) prepared by reactive nitrogen ion-beam sputtering were distributed in a wide range. Expressed in…”
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