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

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Page 259

The existence of the neutron decay was first demonstrated by SNELL et al . and

by ROBSON ( 17 ] . Since then the accuracy in the

has been greatly improved ( 18 ) . Here we shall discuss especially the latest ...

The existence of the neutron decay was first demonstrated by SNELL et al . and

by ROBSON ( 17 ] . Since then the accuracy in the

**determination**of the half - lifehas been greatly improved ( 18 ) . Here we shall discuss especially the latest ...

Page 270

6 ) * CC to act For The common intersection point of such lines provide a

Table I ...

6 ) * CC to act For The common intersection point of such lines provide a

**determination**of B and x , or if B and x and M , are known the ft value permits a**determination**of Mår , a procedure which has been utilized in connection withTable I ...

Page 295

The

81 becomes difficult below y energies of about 200 keV . The difficulty is due to

the fact that the methods for the measurement of the y - ray helicity are ...

The

**determination**of nuclear matrix elements by the method described in Section81 becomes difficult below y energies of about 200 keV . The difficulty is due to

the fact that the methods for the measurement of the y - ray helicity are ...

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### Contents

GENERALITĄ | 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