 | Royal Society (Great Britain) - Mathematics - 1909 - 720 pages
...more recent experiments seem to show that it consists mainly of primary ^-particles, which have been scattered inside the material to such an extent that...a similar effect has not previously been observed, and is perhaps not to be expected on account of the relatively small scattering which a-particles suffer... | |
 | Physics - 1909 - 828 pages
...Number of Ions Produced. 4'33 4-83 7-06 3-86 1-58 X 104 1'74 X 105 1-87 X 10s 2-37 X 10* 1-62 X 10s inside the material to such an extent that they emerge again at the same side of the plate. It was not considered probable that a-particles, being far more penetrative, could show this phenomenon... | |
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... fall. This radiation is regarded by many observers as a secondary radiation, but more recent experiments seem to show that it consists mainly of primary ^-particles, which have been scattered inside the material to such an extent that they emerge... 