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

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Page 32

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

sense requiring additional interpretation ( * ) )

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 asense requiring additional interpretation ( * ) )

**means**violation of invarianceunder time ...

Page 54

1 ) They have only positive energy components , which

have ( 53 ) 1 ( p ) 912,9 ) 1 ( 9 ) ( 2 , 1 ) . 2 ) Because of the commutation relations

( 38 ) only their antisymmetric part contributes . As a result the physically

significant ...

1 ) They have only positive energy components , which

**means**that one musthave ( 53 ) 1 ( p ) 912,9 ) 1 ( 9 ) ( 2 , 1 ) . 2 ) Because of the commutation relations

( 38 ) only their antisymmetric part contributes . As a result the physically

significant ...

Page 369

A large Am

is produced in a cloud chamber plate , the K meson spends half its time as a Ko

and can therefore interact to produce hyperons . Consequently , the combined ...

A large Am

**means**very high frequency oscillations K ' > Ko so that if a 1 - Ko pairis produced in a cloud chamber plate , the K meson spends half its time as a Ko

and can therefore interact to produce hyperons . Consequently , the combined ...

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### Contents

GENERALITĄ | 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