NUCLEAR DECAY STUDIES OF PROTACTINIUM ISOTOPES (thesis)

Abstract

A study was made of the radiations of the protactinium isotopes Pa/sup 227/, Pa/sup 228/, Pa/sup 225/, Pa/sup 230/, Pa/sup 232/, Pa/sup 233/ as well as Ac/sup 223/, and Ac/sup 224/, with primary emphasis placed on the investigation of the aipha-decay spectra with highresolution alpha-particle spectrographs. Decay schemes are presented in each case, and are interpreted where ever possible in terms of current theoretical nuclear models. The collective model of Bohr and Mottelson finds wide application in most csses, although the complexity of the decay schemes leaves certain features unexplained. (auth)

Keywords

PHYSICS AND MATHEMATICS
ACTINIUM 223
ACTINIUM 224
ALPHA DECAY
ALPHA SPECTROMETERS
COLLECTIVE MODEL
DECAY
NUCLEAR MODELS
PROTACTINIUM 227
PROTACTINIUM 228
PROTACTINIUM 229
PROTACTINIUM 230
PROTACTINIUM 232
PROTACTINIUM 233
RESOLUTION
SPECTRA

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