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The description on its file description page there is shown below.
The image contains one or several undisputed inaccuracies.
It should not be used to illustrate or provide information about the subject, but may be kept in order to provide the basis for a corrected image. If you disagree that it may be useful for this purpose feel free to request deletion.
Reason:
Gamma-ray beams cannot be converging. They are also not absorbed entirely in the "target" but continue propagating through the rest of the body.
Information generated by the NRC or developed under an NRC contract is not copyrighted, unless indicated otherwise. Non-copyrighted material can be reproduced without permission; citation of the NRC as the source of the information is appreciated. Permission to reproduce any copyrighted material (including photos or graphics) must be obtained from the original source.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
This file, which was originally posted to
http://www.nrc.gov/, was reviewed on 3 February 2010 by reviewerMartin H., who confirmed that it was available there under the stated license on that date.
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