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

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Page 320

This can be accounted for by an

processes , first mentioned by GELL - MANN and PAIS [ 18 ] , the AT = 1 selection

rule . Indeed this selection rule actually forbids K - 2 decay . With T = } for the K ...

This can be accounted for by an

**isotopic**spin selection rule for the weak decayprocesses , first mentioned by GELL - MANN and PAIS [ 18 ] , the AT = 1 selection

rule . Indeed this selection rule actually forbids K - 2 decay . With T = } for the K ...

Page 325

2 ) is clearly an

coefficients of ( 1 . 6 ) satisfy h = t = f ' s / V2 ; however the | AT | = į property still

holds , obviously , even if fa does not satisfy this relation . The hypothesis of an

2 ) is clearly an

**isotopic**spinor . For this combination of special interest , thecoefficients of ( 1 . 6 ) satisfy h = t = f ' s / V2 ; however the | AT | = į property still

holds , obviously , even if fa does not satisfy this relation . The hypothesis of an

**isotopic**...Page 353

42 ) is conserved to the extent that

because it obviously coincides with the + component of the

since the A with

42 ) is conserved to the extent that

**isotopic**spin is a good quantum number ,because it obviously coincides with the + component of the

**isotopic**spin current ,since the A with

**isotopic**spin zero does not contribute to it . In the Sakata - Okun ...### What people are saying - Write a review

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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