Light quark mass difference and isospin breaking in electromagnetic pion production

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

Volumn 442, Issue 1-4, 1998, Pages 20-27

  Bernstein, A M ^a  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0347810336     PISSN: 03702693     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0370-2693(98)01257-X     Document Type: Article

References (45)

1. S. Weinberg, Transactions of the N.Y. Academy of Science Series II 38 (1977) 185 (I.I. Rabi Festschrift) and article in the Proceedings of the Workshop on Chiral Dynamics: Theory and Experiment, Springer-Verlag, July 1995, A.M. Bernstein, B. Holstein editors.
2. S. Weinberg, Transactions of the N.Y. Academy of Science Series II 38 (1977) 185 (I.I. Rabi Festschrift) and article in the Proceedings of the Workshop on Chiral Dynamics: Theory and Experiment, Springer-Verlag, July 1995, A.M. Bernstein, B. Holstein editors.
3. J. Gasser, H. Leutwyler, Phys. Reports 87 (1982) 77; H. Leutwyler, Phys. Lett. B 378 (1996) 313, and hep- ph/9602255.
4. J. Gasser, H. Leutwyler, Phys. Reports 87 (1982) 77; H. Leutwyler, Phys. Lett. B 378 (1996) 313, and hep-ph/9602255.
5. H. Leutwyler, in: A.M. Bernstein, B. Holstein (Eds.), the Proceedings of the Workshop on Chiral Dynamics: Theory and Experiment, Springer-Verlag, July 1995.
6. U. van Kolck, Ph.D. thesis, University of Texas, 1994, unpublished and private communication.
7. U.G. Meißner, S. Steininger, Phys. Lett. B 419 (1998) 403; N. Fettes, U.G. Meißner, S. Steininger, hep-ph/9803266 (to be published in Nucl. Phys.). U.G. Meißner, Plenary talk at the "Quark-Lepton Physics 1997", Osaka, Japan, May 1997, hep-ph/9706367.
8. U.G. Meißner, S. Steininger, Phys. Lett. B 419 (1998) 403; N. Fettes, U.G. Meißner, S. Steininger, hep-ph/9803266 (to be published in Nucl. Phys.). U.G. Meißner, Plenary talk at the "Quark-Lepton Physics 1997", Osaka, Japan, May 1997, hep-ph/9706367.
9. U.G. Meißner, S. Steininger, Phys. Lett. B 419 (1998) 403; N. Fettes, U.G. Meißner, S. Steininger, hep-ph/9803266 (to be published in Nucl. Phys.). U.G. Meißner, Plenary talk at the "Quark-Lepton Physics 1997", Osaka, Japan, May 1997, hep-ph/9706367.
10. V. Bernard, N. Kaiser, U.G. Meißner, Int. J. Mod. Phys. E 4 (1995) 193; Z. für Physik C 70 (1996) 483; Phys. Lett. B 378 (1997) 337; Nucl. Phys. A 607 (1996) 379.
11. V. Bernard, N. Kaiser, U.G. Meißner, Int. J. Mod. Phys. E 4 (1995) 193; Z. für Physik C 70 (1996) 483; Phys. Lett. B 378 (1997) 337; Nucl. Phys. A 607 (1996) 379.
12. V. Bernard, N. Kaiser, U.G. Meißner, Int. J. Mod. Phys. E 4 (1995) 193; Z. für Physik C 70 (1996) 483; Phys. Lett. B 378 (1997) 337; Nucl. Phys. A 607 (1996) 379.
13. V. Bernard, N. Kaiser, U.G. Meißner, Int. J. Mod. Phys. E 4 (1995) 193; Z. für Physik C 70 (1996) 483; Phys. Lett. B 378 (1997) 337; Nucl. Phys. A 607 (1996) 379.
14. G. Fäldt, Nucl. Phys. A 333 (1980) 357; J.M. Laget, Phys. Rep. 69 (1981) 1; A.N. Kamal, Phys. Lett. 63 (1989) 2346.
15. G. Fäldt, Nucl. Phys. A 333 (1980) 357; J.M. Laget, Phys. Rep. 69 (1981) 1; A.N. Kamal, Phys. Lett. 63 (1989) 2346.
16. G. Fäldt, Nucl. Phys. A 333 (1980) 357; J.M. Laget, Phys. Rep. 69 (1981) 1; A.N. Kamal, Phys. Lett. 63 (1989) 2346.
17. A.M. Bernstein, πN Newsletter No. 11, December 1995, and in: Proceedings of the PANIC Conference, C.E. Carlson, J.J. Domingo (Eds.), World Scientific, Singapore, 1996.
18. A.M. Bernstein, πN Newsletter No. 11, December 1995, and in: Proceedings of the PANIC Conference, C.E. Carlson, J.J. Domingo (Eds.), World Scientific, Singapore, 1996.
19. J.C. Bergstrom, ΠN Newsletter 12 (1997) 1.
20. Obtained in Collaboration with F.E. Low. Subsequently it was realized that the more general solution of the 3x3 S matrix of E.M. Henley, Nucl. Phys. A 483 (1988) 596, leads to the same equation.
21. E. Fermi, Suppl. Nuovo Cimento 2 (1955) 17; K.M. Watson, Phys. Rev. 95 (1954) 228.
22. E. Fermi, Suppl. Nuovo Cimento 2 (1955) 17; K.M. Watson, Phys. Rev. 95 (1954) 228.
23. c near threshold.
24. D. Sigg et al., Phys. Rev. Lett. 75 (1995) 3245; Nucl. Phys. A 609 (1996) 269; A 617 (1997) 526; A. Badertscher, in: A.M. Bernstein, D. Drechsel, Th. Walcher (Eds.), Proceedings of the Workshop on Chiral Dynamics, Mainz, September 1-5, 1997, Springer-Verlag, in press., and private communication.
25. D. Sigg et al., Phys. Rev. Lett. 75 (1995) 3245; Nucl. Phys. A 609 (1996) 269; A 617 (1997) 526; A. Badertscher, in: A.M. Bernstein, D. Drechsel, Th. Walcher (Eds.), Proceedings of the Workshop on Chiral Dynamics, Mainz, September 1-5, 1997, Springer-Verlag, in press., and private communication.
26. D. Sigg et al., Phys. Rev. Lett. 75 (1995) 3245; Nucl. Phys. A 609 (1996) 269; A 617 (1997) 526; A. Badertscher, in: A.M. Bernstein, D. Drechsel, Th. Walcher (Eds.), Proceedings of the Workshop on Chiral Dynamics, Mainz, September 1-5, 1997, Springer-Verlag, in press., and private communication.
27. D. Sigg et al., Phys. Rev. Lett. 75 (1995) 3245; Nucl. Phys. A 609 (1996) 269; A 617 (1997) 526; A. Badertscher, in: A.M. Bernstein, D. Drechsel, Th. Walcher (Eds.), Proceedings of the Workshop on Chiral Dynamics, Mainz, September 1-5, 1997, Springer-Verlag, in press., and private communication.
28. π.
29. The sign depends on the isospin convention used and can be either positive [1,4] or negative [6]. We use here the latter convention.
30. E. Korkmaz, in: A.M. Bernstein, D. Drechsel, Th. Walcher (Eds.), Proceedings of the Workshop on Chiral Dynamics, Mainz, September 1-5, 1997, Springer-Verlag, in press.
31. A.M. Bernstein et al., Phys. Rev. C 55 (1997) 1509; M. Fuchs et al., Phys. Lett. B 368 (1996) 20.
32. A.M. Bernstein et al., Phys. Rev. C 55 (1997) 1509; M. Fuchs et al., Phys. Lett. B 368 (1996) 20.
33. J.C. Bergstrom et al., Phys. Rev. C 53 (1996) R1052.
34. J. Gasser, U.G. Meißner, Nucl. Phys. B 357 (1991) 90.
35. D. Drechsel, L. Tiator, J. Phys. G: Nucl. Part. Phys. 18 (1992) 449; A.S. Raskin, T.W. Donnelly, Annals of Phys. (NY) 191 (1989) 78.
36. D. Drechsel, L. Tiator, J. Phys. G: Nucl. Part. Phys. 18 (1992) 449; A.S. Raskin, T.W. Donnelly, Annals of Phys. (NY) 191 (1989) 78.
37. Mainz proposal A2/10-97, A.M. Bernstein, R. Beck, M. Pavan, contact persons.
38. B. Norum, T.P. Welch, An Intense Polarized Source at CEBAF, Hall B, Letter of Intent to CEBAF.
39. T.S. Carman et al., Nucl. Instr. and Meth. A 378 (1996) 1; V.N. Litvinenko et al., Phys. Rev. Lett. 24 (1997) 4569.
40. T.S. Carman et al., Nucl. Instr. and Meth. A 378 (1996) 1; V.N. Litvinenko et al., Phys. Rev. Lett. 24 (1997) 4569.
41. Polarized Internal Target Experiment, Preliminary Design Report, A.M. Bernstein et al., March 1996, unpublished.
42. For a review of the fundamentals of πN scattering see G. Höhler, Landolt-Börnstein, vol. 9b, Springer-Verlag, 1983.
43. For references to the data on πN scattering and the latest empirical analysis see SAID on line program, R.A. Arndt, R.L. Workman et al., http://clsaid.phys.vt.edu/CAPS/.
44. E. Matsinos, Phys. Rev. C 56 (1997) 3014.
45. W.R. Gibbs, L. Ali, W.B. Kaufmann, Phys. Rev. Lett. 74 (1995) 3740.