Search Results 1-20 of 8691

  • Towards Preventive Maintenance with Non-Destructive Test Using Compact Neutron Systems  [in Japanese]

    大竹 淑恵

    色材協会誌 = Journal of the Japan Society of Colour Material 94(3), 80-84, 2021-03

  • Visualization of vacancy-type defect complexes in garnet scintillator crystals by ultrashort gamma-ray induced positron annihilation lifetime spectroscopy  [in Japanese]

    北浦 守 , 平 義隆 , 藤本 将輝 , 加藤 政博 , 全 炳俊

    放射光 : 日本放射光学会誌 = Journal of the Japanese Society for Synchrotron Radiation Research 34(1), 37-44, 2021-01

  • Towards Preventive Maintenance with Non-Destructive Test Using Compact Neutron Systems  [in Japanese]

    OTAKE Yoshie

    <p>インフラ劣化,老朽化による事故を未然に防ぎ,維持管理メンテナンス費用の削減には,予防措置への変換が重要となる。コンクリート大型構造物点検においては,外部からの点検手段が主であり,内部劣化に関しては構造物を傷める破壊検査がおもになっていたが,近年電磁波レーダーやエックス線といった新たな計測技術が台頭している。中性子線はコンクリートや鋼材に対する透過能が高くまた,水や塩分などの劣化要 …

    Journal of the Japan Society of Colour Material 94(3), 80-84, 2021


  • Response of HPRT Gene Fragment Functionalized Gold Nanoparticles to Gamma Ray Irradiation

    CHEN Yu , WANG Kaikai , CHEN Feng , CHANG Shuquan , ZHANG Haiqian

    … In this work, we selected hypoxanthine phosphoribosyl transferase gene fragments sensitive to gamma-ray irradiation as a sensing element for radiation detection. … The assembly was irradiated by gamma rays. … SERS spectroscopy and ultraviolet spectroscopy can detect the response of the DNA-AuNPs assembly to gamma-ray irradiation below 100 and 100 – 250 Gy, respectively. …

    Analytical Sciences 37(2), 309-314, 2021


  • Combination of carbon-ion beam and dual tyrosine kinase inhibitor, lapatinib, effectively destroys HER2 positive breast cancer stem-like cells

    Sai Sai , Eun Ho Kim , Guillaume Vares , Masao Suzuki , Dong Yu , Yoshiya Horimoto , Mitsuhiro Hayashi

    … To investigate whether carbon-ion beam alone, or in combination with lapatinib, has a beneficial effect in targeting HER2-positive breast cancer stem-like cells (CSCs) compared to that of X-rays, human breast CSCs derived from BT474 and SKBR3 cell lines were treated with a carbon-ion beam or X-rays irradiation alone or in combination with lapatinib, and then cell viability, spheroid formation assays, apoptotic analyses, gene expression analysis of related genes, and immunofluorescent gamma-H2AX foci assays were performed. …

    American Journal of Cancer Research 10(8), 2371-2386, 2020-08-01


  • Project 12 Enhancement of research methods for material irradiation and defect analysis (31P12)

    Kinomura A.

    … Sato et al.(31P12-3) [110]PR12-4 The effect of gamma-ray irradiation on luminescence properties of collolidal Si nanocrystals /T. …

    KURNS Progress Report (2019), 106-114, 2020-08


  • Project 5 Establishment of Integrated System for Dose Estimation in BNCT (31P5)

    Sakurai Y.

    … Sakurai et al.(31P5-11) [51]PR5-11 Characteristics test of a Prpmpt Gamma-ray detector using LaBr3(Ce) Scintillator and 8 x 8 Array MPPC for Boron Neutron Capture Therapy /K. … Kurosawa et al.(31P5-13) [53]PR5-13 Establishment of the Imaging Technology of 478 keV Prompt Gamma-rays of Boron-neutron Capture Reaction and the Measurement of the Intensity of the Neutron Field /T. …

    KURNS Progress Report (2019), 40-60, 2020-08


  • 12. Others

    … Tokanai et al.(31080) [276]CO12-7 Gamma ray measurement in the basement of the Kyoto University Research Reactor facility /K. … Hazama et al.(31115) [282]CO12-13 Radius of Gyration of Polymer for Viscosity Index Improver at Various Temperatures Evaluated by Small-Angle X-Ray Scattering /T. …

    KURNS Progress Report (2019), 271-288, 2020-08


  • 6. Life Science and Medical Science

    … Yagi-Utsumi et al.(31013) [205]CO6-6 Small Angle X-ray Scattering Measurements on Insulin B-Chain Nucleation Intermediate Complexed with Fibrinogen /N. … Kurosawa et al.(31069) [209]CO6-10 Small Angle X-ray Scattering Measurements on Insulin B chain; … Yamamoto et al.(31070) [210]CO6-11 Generation of radioresistant Escherichia coli by adaptive evolution using gamma rays as selection pressure II /T. …

    KURNS Progress Report (2019), 201-221, 2020-08


  • 4. Material Science and Radiation Effects

    CO4-28 Defect Characterization of Ion-Irradiated GdBa2Cu3O7−δ Superconducting Tapes Probed by a Slow Positron Beam /T. Ozaki et al.(31159) [175]

    KURNS Progress Report (2019), 148-176, 2020-08


  • 3. Reactor Physics and Reactor Engineering

    … Endo et al.(CA3101) [138]CO3-3 Measurement of Gamma Ray from Short Lived Fission Product under Background of Fission Prompt Gamma Ray /Y. …

    KURNS Progress Report (2019), 137-147, 2020-08


  • 2. Nuclear Physics and Nuclear Data

    … Nakamura et al.(31020) [132]CO2-2 Quantitation of Gamma Ray Emission from Caputre Reaction of Uranium-238 /Y. …

    KURNS Progress Report (2019), 132-136, 2020-08


  • Selective Isotope CT Imaging Based on Nuclear Resonance Fluorescence Transmission Method

    Ali Khaled , Ohgaki Hideaki , Zen Heishun , Kii Toshiteru , Hayakawa Takehito , Shizuma Toshiyuki , Toyokawa Hiroyuki , Taira Yoshitaka , Iancu Violeta , Turturica Gabriel , Ur Calin Alexandru , Fujimoto Masaki , Katoh Masahiro

    … The isotope selectivity of computed tomography (CT) imaging based on nuclear resonance fluorescence (NRF) transmission method using a quasi-monochromatic laser Compton scattering (LCS) gamma-ray beam in the MeV region was demonstrated at the Ultra Violet Synchrotron Orbital Radiation–III (UVSOR-III) Synchrotron Radiation Facility (Institute of Molecular Science, National Institute of Natural Science) for two enriched lead isotope rods ( 206 Pb and 208 Pb) implanted in an aluminum cylinder. …

    IEEE Transactions on Nuclear Science 67(8), 1976-1984, 2020-08


  • Development of Gamma Ray Irradiation Equipment  [in Japanese]

    松田 淳

    非破壊検査 : 検査と材料評価 : journal of the Japanese Society for Non-destructive Inspection 69(5), 239-243, 2020-05

  • Domestic Production of Gamma-ray Source : Yb Production Development and Application of Various Gamma-ray Sources  [in Japanese]

    大岡 紀一

    非破壊検査 : 検査と材料評価 : journal of the Japanese Society for Non-destructive Inspection 69(5), 231-238, 2020-05

  • Gamma-ray spectra from thermal neutron capture on gadolinium-155 and natural gadolinium

    Tanaka Tomoyuki , Hagiwara Kaito , Gazzola Enrico , Ali Ajmi , Ou Iwa , Sudo Takashi , Das Pretam Kumar , Reen Mandeep Singh , Dhir Rohit , Koshio Yusuke , Sakuda Makoto , Kimura Atsushi , Nakamura Shoji , Iwamoto Nobuyuki , Harada Hideo , Collazuol Gianmaria , Lorenz Sebastian , Wurm Michael , Focillon William , Gonin Michel , Yano Takatomi

    … We measured the gamma-ray spectra produced from the thermal neutron capture on targets comprising a natural gadolinium film and enriched Gd-155 (in Gd2O3 powder) in the energy range from 0.11 MeV to 8.0 MeV, using the ANNRI germanium spectrometer at MLF, J-PARC. … The freshly analyzed data of the Gd-155(n,gamma) reaction are used to improve our previously developed model (ANNRI-Gd model) for the Gd-157(n,gamma) reaction [K. …

    Progress of Theoretical and Experimental Physics 2020(4), 043D02, 2020-04-13


  • High-light-yield calcium iodide (CaI2) scintillator for astroparticle physics

    飯田 崇史 , Takashi IIDA , Kei Kamada , Masao Yoshino , Kyoung Jin Kim , Koichi Ichimura , Akira Yoshikawa

    … We also performed a pulse shape discrimination study using alpha and gamma-ray sources, confirming after a brief analysis that CaI2 has excellent pulse shape discrimination potential. …

    Nuclear Instruments and Methods in Physics Research Section A (958), 162629, 2020-04


  • Neutrinos from the Galactic Center Hosting a Hypernova Remnant

    He Hao-Ning , Lee Shiu-Hang , Nagataki Shigehiro , Kusenko Alexander

    … Similar to star-forming galaxies or starburst galaxies, star-forming regions in our Galaxy can host cosmic-ray (CR) accelerators and rich gas as targets of hadronuclear interaction. … The associated high-energy gamma-ray emission might be observed by the Cherenkov Telescope Array (CTA), High-Altitude Water Cherenkov Gamma-Ray Observatory (HAWC), and Large High Altitude Air Shower Observatory (LHAASO). …

    The Astrophysical Journal (891), 2020-03-18


  • Design and performance of a 180~L high-pressure xenon gas TPC as a prototype for a large-scale neutrinoless double-beta decay search

    Ban S , Hirose M , Ichikawa A K , Iwashita Y , Kikawa T , Minamino A , Miuchi K , Nakadaira T , Nakajima Y , Nakamura K D , Nakamura K Z , Nakaya T , Obara S , Sakashita K , Sekiya H , Sugashima B , Tanaka S , Ueshima K , Yoshida M

    … Reconstructed event topologies show patterns peculiar to the track endpoint that can be used to distinguish 0νββ signals from gamma-ray backgrounds. …

    Progress of Theoretical and Experimental Physics 2020(3), 2020-03


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