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

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Page 83

In consequence the stress - energy tensor has two obvious

trace — the sum of its diagonal elements — is zero , 2 ) its square is a multiple ( $

4 ) of the unit matrix . Both of these

In consequence the stress - energy tensor has two obvious

**properties**( 1 ) itstrace — the sum of its diagonal elements — is zero , 2 ) its square is a multiple ( $

4 ) of the unit matrix . Both of these

**properties**, moreover , are covariant**properties**...Page 387

Theoretical

appreciably from those of externally produced pairs . It will be recalled that

external pairs are ...

Theoretical

**properties**of internally converted pairs . At high energies the**properties**of the pairs are essencially independent of the origin , but differappreciably from those of externally produced pairs . It will be recalled that

external pairs are ...

Page 392

Electromagnetic

Columbia University - New York , N . Y . 1 . - Introduction . Although the precise

measurement of the

justification , the ...

Electromagnetic

**Properties**of Electrons and Muons . L . M . LEDERMANColumbia University - New York , N . Y . 1 . - Introduction . Although the precise

measurement of the

**properties**of elementary particles never requires ajustification , the ...

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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 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 nucleons 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 requires respect result scattering shown shows solution space spin symmetry Table theory transformation transitions universe vector wave weak zero