T Imanaka

Summary

Affiliation: Kyoto University
Country: Japan

Publications

  1. ncbi request reprint Radiological situation in the vicinity of Semipalatinsk nuclear test site: Dolon, Mostik, Cheremushka and Budene settlements
    Aya Sakaguchi
    Low Level Radioactivity Laboratory, K INET, Kanazawa University, Ishikawa, Japan
    J Radiat Res 47:A101-16. 2006
  2. doi request reprint Early radiation survey of Iitate village, which was heavily contaminated by the Fukushima Daiichi accident, conducted on 28 and 29 March 2011
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Osaka, Japan
    Health Phys 102:680-6. 2012
  3. doi request reprint Radiation exposure and disease questionnaires of early entrants after the Hiroshima bombing
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Osaka 590 0494, Japan
    Radiat Prot Dosimetry 149:91-6. 2012
  4. doi request reprint Reconstruction of local fallout composition and gamma-ray exposure in a village contaminated by the first USSR nuclear test in the Semipalatinsk nuclear test site in Kazakhstan
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Sennan gun, Osaka, Japan
    Radiat Environ Biophys 49:673-84. 2010
  5. doi request reprint Gamma-ray exposure from neutron-induced radionuclides in soil in Hiroshima and Nagasaki based on DS02 calculations
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Sennan gun, Osaka, 590 0494, Japan
    Radiat Environ Biophys 47:331-6. 2008
  6. ncbi request reprint Assessment of external dose to inhabitants evacuated from the 30-km zone soon after the Chernobyl accident
    T Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Osaka 590 0494, Japan
    Radiats Biol Radioecol 40:582-8. 2000
  7. ncbi request reprint External radiation in Dolon village due to local fallout from the first USSR atomic bomb test in 1949
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Osaka, Japan
    J Radiat Res 47:A121-7. 2006
  8. ncbi request reprint Width and center-axis location of the radioactive plume that passed over Dolon and nearby villages on the occasion of the first USSR A-bomb test in 1949
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Osaka, Japan
    J Radiat Res 46:395-9. 2005
  9. ncbi request reprint Reevaluation of radiation dose around the JCO site from the criticality accident in Tokai-mura
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Osaka 590 0494, Japan
    Health Phys 88:382-7. 2005
  10. ncbi request reprint Transport calculation of neutrons leaked to the surroundings of the facilities by the JCO criticality accident in Tokai-mura
    T Imanaka
    Research Reactor Institute, Kyoto University, Sennan, Osaka, Japan
    J Radiat Res 42:S31-44. 2001

Detail Information

Publications17

  1. ncbi request reprint Radiological situation in the vicinity of Semipalatinsk nuclear test site: Dolon, Mostik, Cheremushka and Budene settlements
    Aya Sakaguchi
    Low Level Radioactivity Laboratory, K INET, Kanazawa University, Ishikawa, Japan
    J Radiat Res 47:A101-16. 2006
    ..The obtained data will be helpful for evaluating the current and future radiation risks to the people living around there...
  2. doi request reprint Early radiation survey of Iitate village, which was heavily contaminated by the Fukushima Daiichi accident, conducted on 28 and 29 March 2011
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Osaka, Japan
    Health Phys 102:680-6. 2012
    ..At this location, the cumulative exposure would reach 50 mGy in the middle of May 2011...
  3. doi request reprint Radiation exposure and disease questionnaires of early entrants after the Hiroshima bombing
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Osaka 590 0494, Japan
    Radiat Prot Dosimetry 149:91-6. 2012
    ....
  4. doi request reprint Reconstruction of local fallout composition and gamma-ray exposure in a village contaminated by the first USSR nuclear test in the Semipalatinsk nuclear test site in Kazakhstan
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Sennan gun, Osaka, Japan
    Radiat Environ Biophys 49:673-84. 2010
    ..It was encouraging that the deduced value was consistent with other estimations using thermal luminescence and archived monitoring data. The present method can be applied to other settlements affected by local fallout from SNTS...
  5. doi request reprint Gamma-ray exposure from neutron-induced radionuclides in soil in Hiroshima and Nagasaki based on DS02 calculations
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Sennan gun, Osaka, 590 0494, Japan
    Radiat Environ Biophys 47:331-6. 2008
    ..Consequently, a significant exposure due to induced radiation is considered feasible to those who entered the area closer to a distance of 1,000 m from the hypocenters, within one week after the bombing...
  6. ncbi request reprint Assessment of external dose to inhabitants evacuated from the 30-km zone soon after the Chernobyl accident
    T Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Osaka 590 0494, Japan
    Radiats Biol Radioecol 40:582-8. 2000
    ..5 Sv that is recognized by ICRP and UNSCEAR as a threshold dose for a clinically significant depression of the blood-forming function of bone marrow. Some of them could have received more than 1 Sv...
  7. ncbi request reprint External radiation in Dolon village due to local fallout from the first USSR atomic bomb test in 1949
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Osaka, Japan
    J Radiat Res 47:A121-7. 2006
    ..Finally, 0.50 Gy of absorbed dose in air was derived as our tentative estimate for 1-year cumulative external dose in Dolon due to local fallout from the first USSR test in 1949...
  8. ncbi request reprint Width and center-axis location of the radioactive plume that passed over Dolon and nearby villages on the occasion of the first USSR A-bomb test in 1949
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Osaka, Japan
    J Radiat Res 46:395-9. 2005
    ..5 km. Additional soil contamination data around Dolon and other villages are necessary for more detailed discussion...
  9. ncbi request reprint Reevaluation of radiation dose around the JCO site from the criticality accident in Tokai-mura
    Tetsuji Imanaka
    Research Reactor Institute, Kyoto University, Kumatori cho, Osaka 590 0494, Japan
    Health Phys 88:382-7. 2005
    ..Radiation doses evaluated in the present study can be used to check the validity of such calculations based on the three-dimensional model...
  10. ncbi request reprint Transport calculation of neutrons leaked to the surroundings of the facilities by the JCO criticality accident in Tokai-mura
    T Imanaka
    Research Reactor Institute, Kyoto University, Sennan, Osaka, Japan
    J Radiat Res 42:S31-44. 2001
    ..1 and 2, depending on the direction from the building. The shield effect by the surrounding buildings within the JCO territory was between I and 5, also depending on the direction...
  11. doi request reprint Amendments to (63)Ni production calculation for Hiroshima by Takamiya et al. and DS02 fluence data by Egbert et al
    K Takamiya
    Research Reactor Institute, Kyoto University, Kumatori cho, Sennan gun, Osaka, 590 0494, Japan
    Radiat Environ Biophys 50:329-33. 2011
    ..and an inappropriate assumption on the cross-section values of the low neutron energy region in the calculation by Takamiya et al. These two issues are described and amended in the present report...
  12. doi request reprint Nickel-63 production in copper samples exposed to the Hiroshima atomic bomb: estimation based on an excitation function obtained by neutron irradiation experiments
    K Takamiya
    Research Reactor Institute, Kyoto University, Kumatori cho, Sennan gun, Osaka, 590 0494, Japan
    Radiat Environ Biophys 47:343-8. 2008
    ..The difference becomes smaller at greater distances from the hypocenter and decreases, for example, to less than 30 and 5% when using the upper and lower experimental cross sections at 1,000 m, respectively...
  13. ncbi request reprint Measurement of residual 60Co activity induced by atomic-bomb neutrons in Nagasaki and background contribution by environmental neutrons
    Kiyoshi Shizuma
    Graduate School of Engineering, Hiroshima University, 1 4 1 Kagamiyama, Higashi Hiroshima 739 8527, Japan
    J Radiat Res 43:387-96. 2002
    ..The activation of cobalt by environmental neutrons was also investigated. It has been shown that the present 60Co data are consistent with earlier Hashizume's data...
  14. doi request reprint Investigation continues on the atomic bomb dosimetry
    Tetsuji Imanaka
    Radiat Environ Biophys 47:297-9. 2008
  15. doi request reprint Skin dose from neutron-activated soil for early entrants following the A-bomb detonation in Hiroshima: contribution from beta and gamma rays
    Kenichi Tanaka
    Research Institute for Radiation Biology and Medicine, Hiroshima University, 1 2 3 Kasumi, Minami Ku, Hiroshima, 734 8553, Japan
    Radiat Environ Biophys 47:323-30. 2008
    ..It should be noted, however, that the possibility of more extreme exposure scenarios for example for entrants who received much heavier soil contamination on their skin cannot be excluded...
  16. ncbi request reprint Measurement of residual 152Eu activity induced by atomic bomb neutrons in Nagasaki and the contribution of environmental neutrons to this activity
    Kiyoshi Shizuma
    Graduate School of Engineering, Hiroshima University, 1 4 1 Kagamiyama, Higashi Hiroshima 739 8527, Japan
    J Radiat Res 44:133-9. 2003
    ..The activation level of environmental neutrons and the detection limit for 152Eu are also discussed...
  17. doi request reprint Iodine-129 measurements in soil samples from Dolon village near the Semipalatinsk nuclear test site
    Satoru Endo
    Research Institute for Radiation Biology and Medicine, Hiroshima University, 1 2 3 Kasumi, Minami Ku, Hiroshima, 734 8553, Japan
    Radiat Environ Biophys 47:359-65. 2008
    ..4 +/- 0.4) x 10(13) atoms m(-2) and 0.25 +/- 0.16, respectively. This (129)I/(137)Cs ratio is almost similar to the fission yield ratio for (239)Pu fast fission (0.24)...