UTR-KINKI 1 W Reactor, Atomic Energy Institute, Kinki University (2)
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Uranium fission neutrons (UTR-Bi), E(ave)=0.138 MeV
  Experimental system
UTR-KINKI (1W reactor), Atomic Energy Institute, Kinki University
UTR-Bi: (5cm thick bismuth filter), Gamma contamination=16.9 %
Materials: Human peripheral blood lymphocytes (whole blood irradiation)
Date: 1988.10.29.
Dose No. of Aberrations Distribution of cells 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
0.0595 350 0 2 16 5 1 4 23 1 5 3 Dics 333 14 3
D+R 328 18 4
All 324 18 8
0.1204 300 0 1 24 8 5 2 31 3 16 11 Dics 279 16 5
D+R 269 23 8
All 260 26 13 1
0.236 220 0 2 36 9 8 4 50 6 12 7 Dics 185 31 3 1
D+R 176 33 10 1
All 167 35 16 1 1
0.389 200 0 4 54 20 5 15 76 7 29 17 Dics 152 37 8 3
D+R 136 47 12 4 1
All 121 49 17 10 2 1
0.591 130 0 4 78 19 4 12 96 4 37 27 Dics 65 49 12 3 1
D+R 55 50 18 6 1
All 47 41 28 7 2 4 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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