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

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Page 31

( III.18 ) holds also for higher order processes if intermediate states which

because of energy - momentum conservation could also be

contribute . So also if ordinary ß decay does not happen directly but via some

intermediate ...

( III.18 ) holds also for higher order processes if intermediate states which

because of energy - momentum conservation could also be

**final**states , do notcontribute . So also if ordinary ß decay does not happen directly but via some

intermediate ...

Page 37

P

the first sign of equality holds in the case of P conservation and the second one in

the case of C conservation . The situations P init . , P

P

**final**) w ( init .**final**) w ( C init . → C**final**) . Perinal PSinit . р C ) We repeat thatthe first sign of equality holds in the case of P conservation and the second one in

the case of C conservation . The situations P init . , P

**final**are characterized by ...Page 189

However long the time may be to get to this

as a matter of principle . Until the nature of this

whole theory of thermonuclear reactions in stars will be open - ended . The

situation ...

However long the time may be to get to this

**final**state , this is the state of interestas a matter of principle . Until the nature of this

**final**state is established , thewhole theory of thermonuclear reactions in stars will be open - ended . The

situation ...

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### Contents

GENERALITÀ | 1 |

PARTE PRIMA Problemi teorici | 9 |

PARTE SECONDA Correlazioni angolari polarizzazioni e decadimenti beta | 197 |

4 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 elementary elements 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 nucleons observed obtained operators pairs parity particle phase Phys physics polarization possible present principle problem properties purely quantity quantum quantum mechanics radiation ratio reason reference relation relativity requires respect result scattering shown shows solution space spin symmetry Table theory transformation transitions universe vector wave weak zero