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Journal Articles

Measurement of neutron and $$gamma$$-ray absorbed doses inside human body in criticality accident situations using phantom and tissue-equivalent dosimeters

Sono, Hiroki; Kojima, Takuji; Soramasu, Noboru*; Takahashi, Fumiaki

JAERI-Conf 2005-007, p.315 - 320, 2005/08

Personal dosimeters provide a fundamental evaluation of external exposures to human bodies in radiation accidents. The dose distribution inside the body, which is needed to estimate the exposures from a result of personal dosimetry, has been evaluated mostly by computational simulations, while experimental data to verify the simulations are not sufficiently supplied, in particular, in criticality accident situations. For the purpose of obtaining the experimental data on external exposures inside the body, a preliminary experiment on criticality accident dosimetry was carried out at the Transient Experiment Critical Facility (TRACY) using a human phantom and tissue-equivalent dosimeters. The neutron and $$gamma$$-ray absorbed doses inside the phantom could be satisfactorily measured by the combined use of an alanine dosimeter and a thermoluminescent dosimeter made of enriched lithium tetra borate. The doses measured in and on the phantom were regarded as reasonable in dose level and distribution by comparison with the doses measured in the free air.

Journal Articles

Application of thin film dosimeters for 3-45MeV/amu ion beams

Kojima, Takuji; Sunaga, Hiromi; Takizawa, Haruki; Tachibana, Hiroyuki

JAERI-Conf 2000-001, p.310 - 313, 2000/03

no abstracts in English

Journal Articles

Dosimetry systems for 5-20MeV/amu heavy charged particle beams

Kojima, Takuji; Sunaga, Hiromi; Takizawa, Haruki; Tachibana, Hiroyuki

IAEA-TECDOC-1070, p.197 - 202, 1999/03

no abstracts in English

Journal Articles

Dose intercomparison studies for standardization of high-dose dosimetry in Vietnam

H.H.Mai*; N.D.Duong*; Kojima, Takuji

IAEA-TECDOC-1070, p.345 - 351, 1999/03

no abstracts in English

Journal Articles

Uncertainty estimation in $$^{60}$$Co $$gamma$$-ray dosimetry at JAERI involving a two-way dose intercomparison study with NPL in the dose range 1-50kGy

Kojima, Takuji; Tachibana, Hiroyuki; ; *; P.H.G.Sharpe*

Radiation Physics and Chemistry, 54(6), p.619 - 626, 1999/00

 Times Cited Count:10 Percentile:62(Chemistry, Physical)

no abstracts in English

Journal Articles

Research and development on alanine dosimetry system

Kojima, Takuji; Tachibana, Hiroyuki; Haruyama, Yasuyuki; *

Hoshasen Kagaku, (66), p.47 - 49, 1998/00

no abstracts in English

Journal Articles

Alanine-polystyrene dosimeters prepared by injection moulding

Kojima, Takuji; Kashiwazaki, Shigeru*; Zhang, Y.*

Applied Radiation and Isotopes, 48(7), p.965 - 968, 1997/07

no abstracts in English

Journal Articles

Alanine-polystyrene dosimeters prepared by injection moulding

Kojima, Takuji; Kashiwazaki, Shigeru*; Zhang, Y.*

Applied Radiation and Isotopes, 48(7), p.965 - 968, 1997/00

 Times Cited Count:5 Percentile:43.99(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Irradiation and ESR analysis temperature dependence of the gamma-ray response of alanine-polystyrene dosimeters

Kojima, Takuji; Morishita, Norio; Ito, Hisayoshi; S.Biramontri*

Applied Radiation and Isotopes, 47(4), p.457 - 459, 1996/00

 Times Cited Count:4 Percentile:40.53(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Responses of alanine dosimeters to irradiations at cryogenic temperatures

F.Coninckx*; A.Janett*; Kojima, Takuji; S.Onori*; M.Pantaloni*; H.Schoenbacher*; M.Tavlet*; Wieser, A.*

Applied Radiation and Isotopes, 47(11-12), p.1223 - 1229, 1996/00

 Times Cited Count:5 Percentile:46.08(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

$$gamma$$-ray dose intercomparison in the absorbed dose range, 5-50kGy, using dichromate and alanine dosimeters

H.H.Mai*; Ng.D.Duong*; Kojima, Takuji

Applied Radiation and Isotopes, 47(2), p.259 - 261, 1996/00

 Times Cited Count:2 Percentile:25.51(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Application of alanine dosimeter to radiotherapy-level(1$$sim$$100Gy) dosimetry

Kojima, Takuji; *

Radioisotopes, 44(9), p.603 - 607, 1995/09

no abstracts in English

Journal Articles

One-touch alanine dosimetry system for radiation processing

Kashiwazaki, Shigeru*; *; *; *; Kojima, Takuji

JAERI-Conf 95-003, 0, p.270 - 274, 1995/03

no abstracts in English

Journal Articles

Dose intercomparison experiment for gamma rays and 3-MeV electrons by mailing dosimetry using free-radical dosimeters

S.R.Nilekani*; G.R.Narayan*; B.Suseela*; R.M.Bhat*; B.L.Gupta*; Kojima, Takuji; Takizawa, Haruki; Sunaga, Hiromi; Tanaka, Ryuichi

Applied Radiation and Isotopes, 46(3), p.205 - 207, 1995/00

 Times Cited Count:5 Percentile:58.92(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Orientation effects on ESR analysis of alanine-polymer dosimeters

Kojima, Takuji; Kashiwazaki, Shigeru*; Tachibana, Hiroyuki; Tanaka, Ryuichi; M.F.Desrosiers*; W.L.Mclaughlin*

Applied Radiation and Isotopes, 46(12), p.1407 - 1411, 1995/00

 Times Cited Count:15 Percentile:80.39(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Development of portable ESR spectrometer as a reader for alanine dosimeters

Kojima, Takuji; Haruyama, Yasuyuki; Tachibana, Hiroyuki; Tanaka, Ryuichi; Okamoto, Jiro; *; *

Applied Radiation and Isotopes, 44(1-2), p.361 - 365, 1993/00

 Times Cited Count:5 Percentile:51.49(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Thin film alanine-polyethylene dosimeter

Kojima, Takuji; H.L.A.Ranjith*; Haruyama, Yasuyuki; Kashiwazaki, Shigeru*; Tanaka, Ryuichi

Applied Radiation and Isotopes, 44(1-2), p.41 - 45, 1993/00

 Times Cited Count:12 Percentile:75.41(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Fading characteristics of an alanine-polystyrene dosimeter

Kojima, Takuji; L.Chen*; Haruyama, Yasuyuki; Tachibana, Hiroyuki; Tanaka, Ryuichi

Applied Radiation and Isotopes, 43(7), p.863 - 867, 1992/00

no abstracts in English

Journal Articles

Polymer-alanine dosimeter and concept reader

Kojima, Takuji; Tanaka, Ryuichi

Applied Radiation and Isotopes, 40(10-12), p.851 - 857, 1989/00

no abstracts in English

Journal Articles

Fast neutron irradiation effects, III; Sensitivity of alanine systems for fast neutron having an energy of $$sim$$1MeV

*; *; Seguchi, Tadao; ;

Radiation Physics and Chemistry, 28(4), p.337 - 341, 1986/04

no abstracts in English

22 (Records 1-20 displayed on this page)