UTR-KINKI 1 W Reactor, Atomin Energy Institute, Kinki University (3)
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Uranium fission neutrons (UTR-Fe), E(ave)=0.196 MeV
  Experimental system
UTR-KINKI (1W reactor), Atomic Energy Institute, Kinki University
UTR-Fe: (5cm thick iron filter), Gamma contamination=38.0 %
Materials: Human peripheral blood lymphocytes (whole blood irradiation)
Date: 1989.05.24.
Dose No. of Aberrations Distribution of cels with indicated number of aberrations
(Gy) cells Tet Tri Dic Rc Ra aM F del S del Aber 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0.1044 300 0 0 16 4 3 4 21 1 7 7 Dics 286 12 2
D+R 276 19 2
All 274 20 5 1
0.2086 250 0 0 30 5 3 6 37 6 15 11 Dics 221 28 1
D+R 216 30 4
All 202 39 6 2 1
0.3651 250 0 0 53 5 4 3 50 1 26 18 Dics 202 43 5
D+R 198 43 8 1
All 190 41 15 3 1
0.5216 250 0 3 94 22 6 16 126 20 51 36 Dics 171 61 16 1 1
D+R 152 74 20 2 2
All 130 66 34 14 6
0.8346 200 0 1 101 19 12 18 120 14 51 37 Dics 122 59 13 6
D+R 105 67 17 11
All 79 66 35 15 4 1
1.0434 200 0 5 121 32 9 20 159 12 48 35 Dics 104 71 19 2 4
D+R 86 77 23 9 3 2
All 70 65 36 19 6 3 1
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Ref: Sasaki, M. S., Saigusa, S., Kimura, I., Kobayashi, T., Ikushima, T. and Kobayashi, K. (1992) Biological effectiveness of fission neutrons: Energy dependency and its implication
for the risk assessment. In, Proc. Int. Conf. on Radiation Effects and Protection. March 18-20, 1992, Mito, Ibaraki.
Sasaki, M. S., Endo, S., Ejima, Y., Saito, I., Okamura, K., Oka, Y. and Hoshi, M. (2006) Effective dose fo A-bomb radiation in Hirohima and Nagasaki as assessed by chromosomal
effectiveness of spectrum energy photons and neutrons. Radiat. Environ. Biophys., 45:79-91.
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