論文

2023

Accelerator-driven photon reference field for replacement of 137Cs γ-ray
Junya Ishii, Daisuke Satoh, Takeshi Fujiwara, Masahito Tanaka, Masahiro Kato and Tadahiro Kurosawa
Metrologia, Volume 60, Number 4 (2023): 042101
137Csのガンマ線場の代替となるような、加速器による光子線場の作成

2022

Determination of the number of radiation induced alanine radicals by measuring the magnetic moment using SQUID magnetometer
Hidetoshi Yamaguchi, Nobuhiro Matsumoto, Hiroyuki Takahashi
Radiation Measurements 154 (2022): 106754.

The NMIJ air kerma primary standard for high energy x-ray beams in 300–450 kV
Junya Ishii, Tadahiro Kurosawa and Kato Masahiro
Biomed. Phys. Eng. Express 8 015021 (2022)

The impact of storage humidity on the response of reference-class ionization chambers
Yuichiro Morishita, Morihito Shimizu, Nobuhiro Takase, Wataru Yamashita and Suoh Sakata
Medical Physics (2022)

2021

APMP Key Comparison Report of Reference air kerma rate for HDR 192Ir brachytherapy sources (BIPM KCDB: APMP.RI(I)-K8)
J Ishii, T Kurosawa, M Kato, P Toroi, W-H Chu, C-Y Yi, Y H Kim, Y M Seong, S A Ngcezu, E Mainegra-Hing, B Downtonf, M T Dolah and C T Budiantari
Metrologia 58 06020 (2021)

Key comparison BIPM.RI(I)-K7 of the air-kerma standards of the NMIJ, Japan and the BIPM in mammography x-rays
C Kessler, D Burns, T Tanaka and T Kurosawa
Metrologia 58 06023 (2021)

APMP key comparison of absorbed dose to water for 60Co, APMP.RI(I)-K4
Y C Lin, J H Lee, D Butler, D Webb, A Krauss, T Kurosawa, Y Morishita, M Bero, S P Vinatha, C T Budiantari, S Srimanoroth, K J Chun, K Wang, N E Khaled, T B Kadni, Z Msimang and J Laban
Metrologia 58 06022 (2021)

Gamma-ray spectroscopy with a CeBr3 scintillator under intense γ-ray fields for nuclear decommissioning
Masaaki Kaburagi, Kenji Shimazoe, Masahiro Kato, Tadahiro Kurosawa, Kei Kamada, Kyoung Jin Kim, Masao Yoshino, Yasuhiro Shoji, Akira Yoshikawa, Hiroyuki Takahashi, Tatsuo Torii
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 988 (2021)

Development and characterization of optical readout well-type glass gas electron multiplier for dose imaging in clinical carbon beams
Takeshi Fujiwara, Yusuke Koba, Yuki Mitsuya, Riichiro Nakamura, Ryuta Tatsumoto, Shuto Kawahara, Keisuke Maehata, Hidetoshi Yamaguchi, Weishan Chang, Naruhiro Matsufuji, Hiroyuki Takahashi
Physica Medica, Volume 82, 2021, Pages 72-78

2020

Development of postal dosimetry service using an alanine dosimeter in Japan
Hidetoshi Yamaguchi, Morihito Shimizu, Yuichiro Morishita, Kuniyasu Okudaira, Hiroshi Oguchi
Radiation Measurements, Volume 135, July 2020, 106339

Bilateral comparison of the absorbed dose to water in high energy X-ray beams between the KRISS and the NMIJ
In Jung Kim, Byoung Chul Kim, Chul-Young Yi, Morihito Shimizu, Yuichiro Morishita, Norio Saito
Nuclear Engineering and Technology, Volume 52, Issue 7, 2020, Pages 1511-1516

2019

Experimental study of humidity effect on charge measurement of reference ionization chambers in clinical high-energy photon beams
Yuuki Sato, Morihito Shimizu, Yuichiro Morishita, Masanori Sato, Masao Hoshina
Med. Phys., 46: 4177-4183.

Probing molecular bond-length using molecular-frame photoelectron angular distributions
Hironobu Fukuzawa, Robert R. Lucchese, Xiao-Jing Liu, Kentaro Sakai, Hiroshi Iwayama, Kiyonobu Nagaya, Katharina Kreidi, Markus S. Schöffler, James R. Harries, Yusuke Tamenori, Yuichiro Morishita, Isao H. Suzuki, Norio Saito, Kiyoshi Ueda
The Journal of Chemical Physicsvol. 150issue 17(2019)pp: 174306

Feasibility study of alanine dosimeter for carbon-beam dosimetry
H. Yamaguchi, M. Shimizu, Y. Morishita, K. Hirayama, Y. Satou, M. Kato, T. Kurosawa, T. Tanaka, N. Saito, M. Sakama, A. Fukumura
IFMBE Proceedings, vol 68/3

Monte Carlo modeling of a 60 Co MRI-guided radiotherapy system on Geant4 and experimental verification of dose calculation under a magnetic field of 0.35 T
Hiroyuki Okamoto, Shie Nishioka, Kotaro Iijima, Satoshi Nakamura, Tatsuya Sakasai, Yuki Miura, Mihiro Takemori, Hiroki Nakayama, Yuichiro Morishita, Morihito Shimizu, Yoshihisa Abe, Hiroshi Igaki, Yuko Nakayama, Jun Itami
Journal of Radiation Research, Volume 60, Issue 1, January 2019, Pages 116–123

Transmission measurement at the Bernina branch of the Aramis Beamline of SwissFEL
P. JuranicK. TiedtkeS. OwadaT. TanakaU. JastrowA. SorokinL. PattheyR. MankowskyM. DegenhardtY. ArbeloC. ArrellJ. SmedleyJ. Bohon and R. Follath
J. Synchrotron Rad. (2019). 26, 2081-2085

Pulse power measurements and attenuator characterization of the hard X-ray beamline at the Linac Coherent Light Source
Sanghoon SongRoberto Alonso-MoriMatthieu CholletYiping FengJames M. GlowniaHenrik T. LemkeMarcin SikorskiDiling ZhuStefan MoellerHae Ja LeeMark S. HunterGabriella CariniKai TiedtkeUlf JastrowAndrey SorokinMathias RichterShigeki OwadaKensuke TonoNorio SaitoTakahiro TanakaMasahiro KatoMakina YabashiAymeric Robert
Proceedings Volume 11038, X-Ray Free-Electron Lasers: Advances in Source Development and Instrumentation V; 1103810 (2019)

Measurement of the absolute number of photons of the hard X-ray beamline at the Linac Coherent Light Source
S. SongR. Alonso-MoriM. CholletY. FengJ. M. GlowniaH. T. LemkeM. SikorskiD. ZhuS. MoellerH. J. LeeM. S. HunterG. CariniK. TiedtkeU. JastrowA. SorokinM. RichterS. OwadaK. TonoN. SaitoT. TanakaM. KatoM. Yabashi and A. Robert
J. Synchrotron Rad. (2019). 26, 320-327

2018

Absolute laser-intensity measurement and online monitor calibration using a calorimeter at a soft X-ray free-electron laser beamline in SACLA
Tanaka, T., Kato, M., Saito, N., Owada, S., Tono, K., Yabashi, M., Ishikawa, T.
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, Volume 894, 21 June 2018, Pages 107-110

2017

An accumulation mode of a room-temperature calorimeter for total pulse energy measurement of X-ray FELs
Tanaka, T., Kato, M., Saito, N., Tono, K., Yabashi, M., Ishikawa, T.
Journal of Electron Spectroscopy and Related Phenomena, Volume 220, October 2017, Pages 3-5

Compact bolometric radiometer for free-electron lasers in a wavelength range from extreme-ultraviolet to x-rays
Tanaka, T., Kato, M., Saito, N., Owada, S., Tono, K., Yabashi, M., Ishikawa, T.
Optics Letters, Vol. 42, Issue 22, pp. 4776-4779 (2017)

APMP supplementary comparison report of absorbed dose rate in tissue for beta radiation (BIPM KCDB: APMP.RI(I)-S2)
Kato, M., Kurosawa, T., Saito, N., Kadni, T. B., Kim, I. J., Kim, B. C., Yi, C-Y, Pungkun, V., Chu, C-H
Metrologia, Volume 54, Number 1A

Current situations and discussions in Japan in relation to the new occupational equivalent dose limit for the lens of the eye
Yokoyama Sumi, Hamada Nobuyuki, Hayashida Toshiyuki, Tsujimura Norio, Tatsuzaki Hideo, Kurosawa Tadahiro, Nabatame Kuniaki, Ohguchi Hiroyuki, Ohno Kazuko, Yamauchi-Kawaura Chiyo, Iimoto Takeshi, Ichiji Takeshi, Hotta Yutaka, Iwai Satoshi, Akahane Keiichi
Journal of Radiological Protection, Volume 37, Number 3

Measuring and assessing individual external doses during the rehabilitation phase in Iitate village after the Fukushima Daiichi nuclear power plant accident
Naito, Wataru, Uesaka, Motoki, Kurosawa, Tadahiro, Kuroda, Yujiro
Journal of Radiological Protection, Volume 37, Number 3

2016

Key comparison BIPM.RI(I)-K3 of the air-kerma standards of the NMIJ, Japan and the BIPM in medium-energy x-rays
Burns, D. T., Kessler, C., Tanaka, T., Kurosawa, T., Saito, N.
Metrologia, Volume 53, Number 1A

Key comparison BIPM.RI(I)-K6 of the standards for absorbed dose to water at 10 g cm(-2) of the NMIJ, Japan and the BIPM in accelerator photon beams
Picard, S., Burns, D. T., Roger, P., Shimizu, M., Morishita, Y., Kato, M., Tanaka, T., Kurosawa, T., Saito, N.
Metrologia, Volume 53, Number 1A (2016)

Relationship between Individual External Doses, Ambient Dose Rates and Individuals’ Activity-Patterns in Affected Areas in Fukushima following the Fukushima Daiichi Nuclear Power Plant Accident
Naito, Wataru, Uesaka, Motoki, Yamada, Chie, Kurosawa, Tadahiro, Yasutaka, Tetsuo, Ishii, Hideki
 PLOS ONE 11 (8), e0158879. (2016)

SIMPLIFIED PRACTICAL TEST METHOD FOR PORTABLE DOSE METERS USING SEVERAL SEALED RADIOACTIVE SOURCES
Mikamoto, Takahiro, Yamada, Takahiro, Kurosawa, Tadahiro
Radiation Protection Dosimetry, Volume 170, 141-144 (2016)

Comparison BIPM.RI(I)-K8 of high dose-rate Ir-192 brachytherapy standards for reference air kerma rate of the NMIJ and the BIPM
C.Kessler, T.Kurosawa, T.Mikamoto
Metrologia, 53, Tech. Suppl., 06001 (2016).

Determination of x-ray free electron laser power using a room-temperature calorimeter
T. Tanaka, M.Kato, N.Saito, K.Tono, M.Yabashi, T.Ishikawa
Metrologia, 53, 98-102 (2016).

Key comparison BIPM.RI(I)-K3 of the air-kerma standards of the NMIJ, Japan and the BIPM in medium-energy x-rays
D.T.Burns, C.Kessler, T.Tanaka, T.Kurosawa, N.Saito
Metrologia, 53, Tech. Suppl., 06002 (2016).

2015

Room-temperature calorimeter for x-ray free-electron lasers
T. Tanaka, M. Kato, N.Saito, K. Tono, M. Yabashi and T. Ishikawa
Review of Scientific Instruments, 86 (9), 093104 (7 pages) (2015)

Comparison of the NMIJ and the ARPANSA standards for absorbed dose to water in high-energy photon beams
M. Shimizu, Y. Morishita, M. Kato, T. Tanaka, T. Kurosawa, N. Takata, N. Saito, G. Ramanathan, P. D. Harty, C. Oliver, T. Wright and D. J. Butler
Radiat. Prot. Dosimetry, 164 (3), 181-186 (2015).

Key comparison BIPM.RI(I)-K2 of the air-kerma standards of the NMIJ, Japan and the BIPM in low-energy x-rays
D T Burns, C Kessler, T Tanaka, T Kurosawa and N Saito
Metrologia 52 Tech. Suppl. 06008 (2015).

Coulomb frustration of the multiphoton ionization of metallic clusters under intense EUV FEL evidenced by ion spectrometry
T Mazza, M Devetta, P Milani, K Motomura, X-J Liu, H Fukuzawa, A Yamada, M Okunishi, K Nagaya, H Iwayama, A Sugishima, Y Mizoguchi,N. Saito, M Coreno, Th Fennel, M Nagasono, K Tono, T Togashi, H Kimura, Y Senba, H Ohashi, M Yabashi, T Ishikawa, M Yao, K Ueda and P Piseri
J. Phys. B: At. Mol. Opt. Phys. 48 (23) 234001 (2015).

2014

Key Comparison APMP.RI(I)-K2 of air kerma standards for the CCRI reference radiation qualities for low-energy x-rays, including a supplementary comparison for the ISO 4037 narrow spectrum series
T.Tanaka, N.Saito, M.Bero, D.Butler, A.K.Mahant, A.Meghzifene, C.H.Chu, T.B.Kadni, Wu Jinjie and T.Soodprasert
Metrologia, 51, Tech. Suppl., 06019 (2014)

Field photon energy spectra in Fukushima after the nuclear accident
Kurosawa, Tadahiro; Iwase, Hiroshi; Saito, Norio
Journal of Nuclear Science and Technology, 51 (5) 730-734 (2014)

Calculation of the characteristics of clinical high-energy photon beams with EGS5-MPI
M. Shimizu, Y. Morishita, M. Kato, T. Kurosawa, T. Tanaka, N. Takata and N. Saito
Journal of Physics: Conference Series 489, 012023 (2014)

2013

A standard for absorbed dose rate to water in a Co-60 field using a graphite calorimeter at the National Metrology Institute of Japan
Morishita, Y.; Kato, M.; Takata, N.; et al.
Radiation Protection Dosimetry 154, (3) 331-339 (2013)

Absolute radiant power measurement of the X-ray free-electron laser at SACLA
Tanaka, Takahiro; Kato, Masahiro; Kurosawa, Tadahiro; et al.
11th International Conference on Synchrotron Radiation Instrumentation (Sri 2012) 425 (2013)

Accumulation and dissipation of positive charges induced on a PMMA build-up cap of an ionisation chamber by Co-60 gamma-ray irradiation
Morishita, Y.; Takata, N.
Radiation Protection Dosimetry 155 (3) 364-368 (2013)

Compact XFEL and AMO sciences: SACLA and SCSS
Yabashi, M.; Tanaka, H.; Tanaka, T.; et al.
Journal of Physics B-Atomic Molecular and Optical Physics 46 (16) 164001 (2013)

Key comparison BIPM.RI(I)-K1 of the air kerma standards of the NMIJ, Japan and the BIPM in Co-60 gamma radiation
Kessler, C.; Saito, N.; Kurosawa, T.
Metrologia, 50, Tech. Suppl., 06006 (2013)

Key comparison BIPM.RI(I)-K5 of the air kerma standards of the NMIJ, Japan and the BIPM in 137Cs gamma radiation
Kessler, C.; Saito, N.; Kurosawa, T.
Metrologia, 50, Tech. Suppl., 06007 (2013)