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

### From inside the book

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Page 41

It will be shown , how the lepton gauge group ensures that a neutrino of physical

mass O should

antiparticle represented one of the unalienable features of the theory of spin

fields .

It will be shown , how the lepton gauge group ensures that a neutrino of physical

mass O should

**exist**; it will also be ... for granted that the**existence**of anantiparticle represented one of the unalienable features of the theory of spin

fields .

Page 62

From this follows the

momentum ) with the properties ( 80 ) [ Ja , y ( x ) ] = - i ( x0 , - yox + i7172 ) y ( x ) .

From this together with equation ( 78 ) and by an application of Schur's lemma ...

From this follows the

**existence**of an operator J2 ( 3 - rd component of angularmomentum ) with the properties ( 80 ) [ Ja , y ( x ) ] = - i ( x0 , - yox + i7172 ) y ( x ) .

From this together with equation ( 78 ) and by an application of Schur's lemma ...

Page 168

The

spontaneous decay of the u - meson and the principle of microscopic reversibility

. Well above the threshold , ( 168 ) ( hor ) . ( ho ) > ( 208 moa / 2 ) , the calculated

cross ...

The

**existence**of the process ( 167 ) v + ñ → te + follows directly from thespontaneous decay of the u - meson and the principle of microscopic reversibility

. Well above the threshold , ( 168 ) ( hor ) . ( ho ) > ( 208 moa / 2 ) , the calculated

cross ...

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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