ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] In calculating the collimator fields of view, both groups approximate the hexagonal cell by a cylinder. The field of view of a cylindrical collimator has been discussed by Pastiels4, who gives an exact result -〈~J where d is the diameter of the cylinder, E is its length and g is the diagonal ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/225362a0