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

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Page 274

The neutrino

The energy distribution of B - rays from fission products is measured . All decays

are assumed to show the allowed

...

The neutrino

**spectrum**from a nuclear reactor is determined in the following way .The energy distribution of B - rays from fission products is measured . All decays

are assumed to show the allowed

**spectrum**shape and the energy distribution is...

Page 308

6 ) is l = 0 ) ; negligible and the

form [ 26 ] . energy - i If o denotes the pion energy for K * decay from rest and 0 is

the angle between the electron and pion momenta , the differential decay ...

6 ) is l = 0 ) ; negligible and the

**spectrum**predicted for the electrons has a uniqueform [ 26 ] . energy - i If o denotes the pion energy for K * decay from rest and 0 is

the angle between the electron and pion momenta , the differential decay ...

Page 309

For K . . decay , the

many authors [ 26 , 31 ] and we shall not give the details here . For illustration , in

Fig . 3 , the muon spectra for the limiting cases Bx = 0 and Cg = ( are compared ...

For K . . decay , the

**spectrum**prediction is not unique . It has been discussed bymany authors [ 26 , 31 ] and we shall not give the details here . For illustration , in

Fig . 3 , the muon spectra for the limiting cases Bx = 0 and Cg = ( are compared ...

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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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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