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

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Page 151

By differences of the type V- k + 1t - tk rather than by derivatives compute a Lagrange function and the difference version of the classical action

By differences of the type V- k + 1t - tk rather than by derivatives compute a Lagrange function and the difference version of the classical action

**integral**, ( 121 ) I a - = [ 1 ( valt ) , dul ! ) , e ) at .Page 157

The coefficients of transformation must therefore depend in a single valued way upon the choice of the element R of the rotation group : ( 134 ) ( R ) . nem ' One finds in consequence that I must be

The coefficients of transformation must therefore depend in a single valued way upon the choice of the element R of the rotation group : ( 134 ) ( R ) . nem ' One finds in consequence that I must be

**integral**. This requirement is given ...Page 168

In the case of light the cross section for the production of pairs at first goes up with energy , but then goes down , so that the dispersion

In the case of light the cross section for the production of pairs at first goes up with energy , but then goes down , so that the dispersion

**integral**converges . Not so here , where a literal application of the same formula leads to ...### What people are saying - Write a review

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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