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

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Page 102

There is enormous freedom in choice of the 3 -

curvilinear . Any given choice corresponds to an arbitrary way of slicing the 4 -

space apart with a curved and waving knife into a region before and a region

after o .

There is enormous freedom in choice of the 3 -

**surface**o , which is in generalcurvilinear . Any given choice corresponds to an arbitrary way of slicing the 4 -

space apart with a curved and waving knife into a region before and a region

after o .

Page 109

As one check on this view , SHARP has considered the case where the two 3 -

problem in geometrodynamics one can dispense with having to find on one

As one check on this view , SHARP has considered the case where the two 3 -

**surfaces**are close together , and verified here in ... If not , then in setting aproblem in geometrodynamics one can dispense with having to find on one

**surface**a 3 ...Page 117

However , in another sense the equations are extremaly simple ; they say only

that the 4 - manifold must be such that at every point P , and on every 3 -

drawn through P , this condition is fulfilled : 1x ( 70 ) intrinsic curvature invariant ...

However , in another sense the equations are extremaly simple ; they say only

that the 4 - manifold must be such that at every point P , and on every 3 -

**surface**drawn through P , this condition is fulfilled : 1x ( 70 ) intrinsic curvature invariant ...

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### Contents

GENERALITÀ | 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