## Proceedings of the International School of Physics "Enrico Fermi.", Volume 11N. Zanichelli, 1960 - Nuclear physics |

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Page 15

For this purpose we assume that Btrong (including electromagnetic) interactions

define a stable state Wk of a particle □which will become unstable after

switching on

denoted by ...

For this purpose we assume that Btrong (including electromagnetic) interactions

define a stable state Wk of a particle □which will become unstable after

switching on

**weak**interactions. The states of outgoing decay products will bedenoted by ...

Page 29

decay processes. S matrix theory is not directly applicable on decay processes

since only states of stable particles can occur as initial or final states of an S

matrix ...

**Weak**interactions can, because of their**weakness**, practically only be studied indecay processes. S matrix theory is not directly applicable on decay processes

since only states of stable particles can occur as initial or final states of an S

matrix ...

Page 306

There is also to be discussed the possibility of isotopic spin relationship between

various decay processes, corresponding to relationships between these and

between other

the ...

There is also to be discussed the possibility of isotopic spin relationship between

various decay processes, corresponding to relationships between these and

between other

**weak**interaction constants. Isotopic spin relationships present inthe ...

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### Contents

GENERALITÀ | 1 |

PARTE PRIMA Problemi teorici | 9 |

PARTE SECONDA Correlazioni angolari polarizzazioni e decadimenti beta | 251 |

3 other sections not shown

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### Common terms and phrases

allowed angle angular assumed calculated charge classical combination completely component connection conservation consider constant contribute correlation corresponding coupling curvature decay defined density dependence derived described determination direction discussed effects electric electromagnetic field electron element elementary emission energy equations example existence experiment experimental expression factor Fermi field final finds formula function geometrodynamics geometry give given gravitational histories initial interaction invariance known leads limit magnetic mass matrix means measured metric modes momentum neutrino neutron nuclei observed obtained operators pairs parity particle phase Phys physics polarization possible present principle problem properties purely quantity quantum quantum mechanics question radiation ratio reason reference relation relativity respect result scattering shown shows solution space spin spinor symmetry Table theory transformation transition universe vector wave weak zero