Light scalar mesons: Comments on their behavior in the 1/Nc expansion near Nc = 3 versus the Nc → ∞ limit

Acta Physica Polonica B, Proceedings Supplement

Volumn 2, Issue 2, 2009, Pages 215-221

  Pelaez J R ^a   Rios G ^a  

^a UNIVERSIDAD COMPLUTENSE DE MADRID   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

APRIORI; CHIRAL PERTURBATION THEORY; SCALAR MESONS;

HADRONS; PERTURBATION TECHNIQUES;

BOSONS;

EID: 77952920898     PISSN: 18992358     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Conference Paper

References (28)

1. G. 't Hooft, Nucl. Phys. B72, 461 (1974);
2. E. Witten, Ann. Phys. 128, 363 (1980).
3. J. Gasser, H. Leutwyler, Ann. Phys. 158, 142 (1984);
4. Nucl. Phys. B250, 465 (1985).
5. T.N. Truong, Phys. Rev. Lett. 61, 2526 (1988);
6. Phys. Rev. Lett. 67, 2260 (1991);
7. A. Dobado, M.J. Herrero, T.N. Truong, Phys. Lett. B235, 134 (1990);
8. A. Dobado, J.R. Pelaez, Phys. Rev. D47, 4883 (1993);
9. Phys. Rev. D56, 3057 (1997).
10. A. Gomez Nicola, J.R. Pelaez, G. Rios, Phys. Rev. D77, 056006 (2008).
11. A. Gomez Nicola, J.R. Pelaez, Phys. Rev. D65, 054009 (2002);
12. J.R. Pelaez, Mod. Phys. Lett. A19, 2879 (2004).
13. J.A. Oller, E. Oset, J.R. Pelaez, Phys. Rev. Lett. 80, 3452 (1998);
14. Phys. Rev. D59, 074001 (1999);
15. J.A. Oller, E. Oset, Nucl. Phys. A620, 438 (1997) [Erratum Nucl. Phys. A652, 407 (1999)];
16. Phys. Rev. D62, 114017 (2000);
17. F. Guerrero, J.A. Oller, Nucl. Phys. B537, 459 (1999) [Erratum Nucl. Phys. B602, 641 (2001)].
18. J.R. Pelaez, Phys. Rev. Lett. 92, 102001 (2004).
19. J.R. Pelaez, G. Rios, Phys. Rev. Lett. 97, 242002 (2006).
20. J. Nieves, E.R. Arriola, Phys. Rev. D80, 045023 (2009) [arXiv:0904.4344 [hep-ph]].
21. R.L. Jaffe, Proc. of the Int. Symposium on Lepton and Photon Interactions at High Energies, Physikalisches Institut, Univ. of Bonn (1981), ISBN: 3-9800625-0-3.
22. Z.X. Sun, et al., Mod. Phys. Lett. A22, 711 (2007) [hep-ph/0503195].
23. J.R. Pelaez, Proceedings of the 11th International Conference on Elastic and Diffractive Scattering, Blois, France, May 15-20, 2005 [hep-ph/0509284].
24. E. van Beveren, et al. Z. Phys. C30, 615 (1986);
25. Phys. Lett. B641, 265 (2006) [hep-ph/0606022];
26. E. van Beveren, G. Rupp, Eur. Phys. J. C22, 493 (2001);
27. J.A. Oller, E. Oset, Phys. Rev. D60, 074023 (1999);
28. F.E. Close, N.A. Tornqvist, J. Phys. G 28, R249 (2002).