Il Nuovo Cimento A (1965-1970)

, Volume 40, Issue 1, pp 261–264 | Cite as

Some consequences ofŨ12 withSU3 breaking

Lettere Alla Redazione


Obvious Notation Exact Symmetry Meson Tensor Exact Amplitude Original Tensor 
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  1. (1).
    See, for example, a review by Dr.Harari:Seminar on High-Energy Physics and Elementary Particles (Trieste, 1965) (to be published).Google Scholar
  2. (2).
    V. Gupta andV. Singh:Phys. Rev.,135, B 1443 (1964);M. Konuma andT. Tomozawa:Phys. Lett.,10, 347 (1964);C. Becchi, E. Eberle andG. Morpurgo:Phys. Rev.,136, B 808 (1964).ADSGoogle Scholar
  3. (3).
    A. Salam, R. Delbourgo andJ. Strathdee:Proc. Roy. Soc.,284A, 146 (1965);R. Delbourgo, M. A. Rashid, A. Salam andJ. Strathdee:Proc. Roy. Soc.,285 A, 312 (1965).ADSMathSciNetCrossRefGoogle Scholar
  4. (4).
    J. M. Corwall, P. G. O. Freund andK. T. Mahanthappa:Phys. Rev. Lett.,14, 515 (1965);R. Blankenbeckler, M. L. Goldberger, K. Johnson andS. B. Trieman:Phys. Rev. Lett.,14, 518 (1965). See also lecture byK. T. Mahanthappa:Seminar on Elementary ADSMathSciNetCrossRefGoogle Scholar
  5. (5).
    This method of expressing most of theSU 3 broken amplitudes in terms of theSU 3 exact amplitudes in this particular fashion which simplifies computation was pointed out to me by Dr. VirendraSingh.Google Scholar
  6. (8).
    R. Ferrari andM. Konuma:Phys. Rev. Lett.,14, 378 (1965);V. de Alfaro andM. Tomozawa:Phys. Rev., to be published.ADSCrossRefGoogle Scholar
  7. (7).
    Our results are in disagreement with those ofM. Konuma andE. Remiddi: (Pisa preprint) who calculate theŨ 12 broken decay rates and get relations (3a) and (3c) instead of our relations (3a) and (3b).Google Scholar
  8. (8).
    It was pointed out to me by Dr.Harari that the results of zero polarization for the processes (6c) and (6d) can be derived in the framework ofŨ s isospinŨ 4U 1 hypercharge and thus would hold to all order of the assumed symmetry-breaking.Google Scholar
  9. (9).
    K. Johnson andS. B. Treiman:Phys. Rev. Lett.,14, 189 (1964).ADSMathSciNetCrossRefGoogle Scholar
  10. (10).
    Sec, for example, compilation of experimental data byA. H. Rosenfeld, A. Barbaro Galtieri, W. H. Barkas, J. Kirz andM. Roos:Rev. Mod. Phys.,36, 977 (1964).ADSMathSciNetCrossRefGoogle Scholar
  11. (11).
    A survey of experimental data has been compiled byM. L. Stevenson: UCRL-11493 (1964), to be published.Google Scholar
  12. (12).
    W. Rühl:Phys. Lett.,15, 340 (1965);J. M. Charap andP. T. Mathews:Phys. Lett.,16, 95 (1965);R. Oheme:Phys. Rev. Lett.,14, 664 (1965).ADSMathSciNetCrossRefGoogle Scholar
  13. (13).
    H. Harari, D. Horn, M. Hugler, H. J. Lipkin andS. Meshkov: to be published.Google Scholar

Copyright information

© Società Italiana di Fisica 1965

Authors and Affiliations

  • P. Babu
    • 1
    • 2
  1. 1.Tata Institute of Fundamental ResearchBombayIndia
  2. 2.International Centre for Theoretical PhysicsTriesteItaly

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