18 MeV Alpha-particles

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	18 MeV Alpha-particles
	Cyclotron-produced alpha-particles
	RIKEN Cyclotron at Wako-shi, Saitama
	Materials: Human peripheral blood lymphocytes
	Date: 1969.08.26
	Ref: Sasaki, M. S., Takatsuji, T. and Ejima, Y. (1998). Radiat. Res., 150:253-258.
	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
	0.27	200	0	0	41	13	5	6	55	2	2	2	Dics	169	22	8	1
													D+R	164	21	10	3	1	1
													All	161	23	8	5	1	1	1
	0.54	240	0	1	84	29	11	15	118	7	30	27	Dics	175	49	12	3	1
													D+R	161	47	21	8	2	1
													All	147	50	21	11	8		3
	1.35	130	0	4	140	50	20	27	203	18	47	41	Dics	45	39	33	9	4
													D+R	34	29	34	18	10	4		1
													All	23	21	31	29	13	2	5	6
	1.62	230	1	10	267	63	39	44	367	28	75	64	Dics	84	69	37	22	11	5	2
													D+R	67	58	44	25	18	13	3		2
													All	60	38	45	28	22	14	13	5	2	1	2
	2.7	100	2	7	201	34	25	28	267	27	65	53	Dics	16	20	26	18	10	7	1	2
													D+R	10	18	23	20	11	10	4		1	1	1	1
													All	8	11	19	14	9	15	9	4	4	3	1	2		1
	4.05	30	2	10	90	21	12	21	118	9	31	19	Dics	0	2	6	6	8	3	2	1	1		1
													D+R	0	1	3	5	7	2	5	3	1	2			1
													All	0	0	0	4	3	4	8	1	2	2	3	2		1
	*) The dose has been calculated based on the stopping power of water, in which oxygen is the major target for alpha-particle. The dose could be 62.94% higher for the ICRU muscle.
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