ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] In the detector (Fig. 1) half a radiation length of lead was used to convert the incoming g-rays into e+?e? pairs. The electronic logic for a g-ray was ABCD, and all events of this type which exceeded the discriminator level of D (〉50 MeV) triggered the spark chamber gaps S1 and S2 and enabled the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/238031a0
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