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

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Page 5

The Lüders theorem states that S

locality of the coupling . Hence , if the latter conditions are $ 1 . satisfied , one has

always

The Lüders theorem states that S

**invariance**is implied by Lorentz**invariance**andlocality of the coupling . Hence , if the latter conditions are $ 1 . satisfied , one has

always

**invariance**for combined space reflection , time reversal and ...Page 32

If this quantity changes sign under time reversal ( which , according to Table I

means that it contains an odd number of factors ) its being « observed » ( in a

sense requiring additional interpretation ( * ) ) means violation of

under time ...

If this quantity changes sign under time reversal ( which , according to Table I

means that it contains an odd number of factors ) its being « observed » ( in a

sense requiring additional interpretation ( * ) ) means violation of

**invariance**under time ...

Page 37

The reflected situation is shown in Fig . 5b : the orientation of the initial spins is

the same ; the direction of the momentum of the decay products is reversed .

What matters is , because of rotational

direction of ...

The reflected situation is shown in Fig . 5b : the orientation of the initial spins is

the same ; the direction of the momentum of the decay products is reversed .

What matters is , because of rotational

**invariance**, the angle between thedirection of ...

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### Contents

GENERALITĄ | 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