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

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Page 125

But this idea of Mach ' s corresponds only to a finite

and not to a quasi - Euclidean , infinite

epistemology it is more satisfying to have the mechanical properties of space ...

But this idea of Mach ' s corresponds only to a finite

**universe**, bounded in space ,and not to a quasi - Euclidean , infinite

**universe**. From the standpoint ofepistemology it is more satisfying to have the mechanical properties of space ...

Page 127

There is no way to give the closed

expanding forever . In this respect it is not adequate to compare the dynamics of

the

There is no way to give the closed

**universe**enough energy to allow it to keep onexpanding forever . In this respect it is not adequate to compare the dynamics of

the

**universe**with the motion of a system of rocks thrown apart and drawn back ...Page 130

If Einstein ' s arguments are right that only a properly closed

physically reasonable [ 25 ] , and if the conjecture is correct that such a

evolving according to the classical relativistic field equations , always develops a

...

If Einstein ' s arguments are right that only a properly closed

**universe**isphysically reasonable [ 25 ] , and if the conjecture is correct that such a

**universe**,evolving according to the classical relativistic field equations , always develops a

...

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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