The Effect of Ionizing Radiations on the Broad Bean Root—Part XI
- 1 December 1952
- journal article
- research article
- Published by Oxford University Press (OUP) in The British Journal of Radiology
- Vol. 25 (300) , 651-661
- https://doi.org/10.1259/0007-1285-25-300-651
Abstract
Broad bean roots were irradiated with alpha particles in 02-free and oxygenated water, and their lengths were measured 10 days after irradiation. The sensitivity of the bean roots to alpha particles was increased by dissolved 02 by a factor of about 1.4 as compared to a factor of 2.8 found with X-rays. The O2 is considered to augment, principally, the effectiveness of the delta-rays which account for about half the ionization due to the alpha particles.Keywords
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