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Semi-phenomenological analysis of nonleptonic hyperon decays inŨ 12(*).

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Il Nuovo Cimento A (1965-1970)

Summary

We present a semi-phenomenological theory of nonleptonic hyperon decay based on the current current hypothesis. We use explicitU 12 forms for our currents and allow in the simplest possible way for the effects of strong interactions.

Riassunto

Si presenta una teoria semifenomenologica dei decadimenti non leptonici degli iperoni basata sull'ipotesi corrente-corrente. Si usano formule esplicite diU 12 per le correnti e si tien conto nel modo più semplice possibile degli effetti delle interazioni forti.

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References

  1. See for example:B. W. Lee:Elementary Particles Conference (Colorado, 1964);N. Cabibbo:Third Coral Gables Conference on Symmetry Principles at High Energies, 1965.

  2. For example:N. P. Samios:Weak Interactions, Argonne, October 1965.

  3. G. Murtaza:Ph. D. Thesis, (London, 1965).

  4. The result that β=0 is consistent with the experimental data see ref. (2) above For example:N. P. Samios:Weak Interactions, Argonne, October 1965.

  5. A. Salam, R. Delbourgo andJ. Strathdee:Proc. Roy. Soc., A284, 146 (1965);B. Sakita andK. C. Wali:Phys. Rev. Lett.,14, 404 (1965);M. A. B. Bég andA. Pais:Phys. Rev. Lett.,14, 267 (1965).

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  6. Such a renormalization of our currents simply gives a renormalization of our amplitude by exactly the same amount, since the meson current is unaffected.

  7. For example:R. Oehme:Phys. Lett.,15, 284 (1965).

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  8. In amplitudes (7) and (8) we putm 1=m2=m in order to simplify our computation.

  9. Experimentally it is impossible to distinguish this sum rule from any other which differs by a sign.

  10. M. L. Stevenson, J. P. Berge, J. R. Hubbard, G. R. Kalbfleisch, J. B. Schafer, F. T. Solmitz, S. G. Wojcicki andP. G. Wohlmut:Phys. Lett.,9, 349 (1964).

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  11. These results are obtained withn=0. However, (A.9) is of little value in obtaining an improvement.

  12. A. H. Rosenfeld,et al.: UCRL-8030 August 1965. Corrected 1.10.65 byM. Roos andA. H. Rosenfeld see also ref. (2) above. For example:N. P. Samios:Weak Interactions, Argonne, October 1965.

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Authors and Affiliations

  1. Imperial College, London

    F. Hussain & P. Rotelli

Authors
  1. F. Hussain
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  2. P. Rotelli
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Additional information

The research reported in this document has been sponsored in part by the Air Force Office of Scientific Research OAR through the European Office Aerospace Research, United States Air Force.

Traduzione a cura della Redazione.

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Hussain, F., Rotelli, P. Semi-phenomenological analysis of nonleptonic hyperon decays inŨ 12(*).. Nuovo Cimento A (1965-1970) 44, 1047–1054 (1966). https://doi.org/10.1007/BF02719348

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  • DOI: https://doi.org/10.1007/BF02719348

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