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

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Page 154

Not to try to derive a

— and electromagnetic - fields out of a

advocated . Instead of going in the direction Tensor → Vector →

...

Not to try to derive a

**spinor**field out of geometry , but to try to derive gravitational— and electromagnetic - fields out of a

**spinor**field is an approach sometimesadvocated . Instead of going in the direction Tensor → Vector →

**Spinor**, it has in...

Page 156

Out of the wave function y of a

associated quantity yt it is easy and natural to construct the familiar bilinear

combinations that give a scalar , a vector , a tensor , a pseudovector and a

pseudoscalar .

Out of the wave function y of a

**spinor**field , such as the neutrino field and theassociated quantity yt it is easy and natural to construct the familiar bilinear

combinations that give a scalar , a vector , a tensor , a pseudovector and a

pseudoscalar .

Page 158

Therefore an infinite set of rotational degrees of freedom might seem a natural

object to take as progenitor of a

at one point is associated with one rotation . In general relativity , with its

infinitude ...

Therefore an infinite set of rotational degrees of freedom might seem a natural

object to take as progenitor of a

**spinor**field . A simple orthogonal transformationat one point is associated with one rotation . In general relativity , with its

infinitude ...

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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