Digitale Medien
[s.l.]
:
Nature Publishing Group
Nature
140 (1937), S. 108-109
ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] THE method previously used1 to calculate the cross-section for pair production by a beam of y-rays has been extended to deal with transitions of a Dirac electron between two states of positive energy in a Coulomb field. It is thus theoretically possible to obtain an exact ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/140108b0
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