Integrating out the heaviest quark in N-flavour χPT

European Physical Journal C

Volumn 71, Issue 9, 2011, Pages 1-11

  Ivanov, Mikhail A ^a   Schmid, Martin ^b  

^a JOINT INSTITUTE FOR NUCLEAR RESEARCH   (Russian Federation)

^b Basler Versicherungen   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 82655167534     PISSN: 14346044     EISSN: 14346052     Source Type: Journal    
DOI: 10.1140/epjc/s10052-011-1732-0     Document Type: Article

References (20)

1. S. Weinberg, Phenomenological Lagrangians. Physica A 96, 327 (1979).
2. J. Gasser, H. Leutwyler, Chiral perturbation theory to one loop. Ann. Phys. 158, 142 (1984).
3. J. Gasser, H. Leutwyler, Chiral perturbation theory: Expansions in the mass of the strange quark. Nucl. Phys. B 250, 465 (1985).
4. B. Moussallam, Flavor stability of the chiral vacuum and scalar meson dynamics. J. High Energy Phys. 08, 005 (2000). hep-ph/0005245.
5. R. Kaiser, J. Schweizer, The expansion by regions in πK scattering. J. High Energy Phys. 06, 9 (2006). hep-ph/0603153.
6. J. Gasser, C. Haefeli, M. A. Ivanov et al., Integrating out strange quarks in ChPT. Phys. Lett. B 652, 21 (2007). arXiv: 0706. 0955 [hep-ph].
7. 6. Phys. Lett. B 675, 49 (2009). 0903. 0801 [hep-ph].
8. -atom. Phys. Rev. D 64, 16008 (2001). hep-ph/0103157.
9. H. Jallouli, H. Sazdjian, Relativistic effects in the pionium lifetime. Phys. Rev. D 58, 014011 (1998). hep-ph/9706450.
10. C. Haefeli, M. A. Ivanov, M. Schmid, Electromagnetic low-energy constants in ChPT. Eur. Phys. J. C 53, 549 (2008). 0710. 5432 [hep-ph].
11. 0 lifetime. 0901. 4688 [hep-th].
12. s. Ph. D. thesis, University of Bern, 2007.
13. 6. Ann. Phys. 280, 100 (2000) hep-ph/9907333.
14. S. Descotes-Genon, L. Girlanda, J. Stern, Paramagnetic effect of light quark loops on chiral symmetry breaking. J. High Energy Phys. 01, 041 (2000). hep-ph/9910537.
15. S. Descotes-Genon, L. Girlanda, J. Stern, Chiral order and fluctuations in multi-flavour QCD. Eur. Phys. J. C 27, 115 (2003). hep-ph/0207337.
16. S. Descotes-Genon, N. H. Fuchs, L. Girlanda et al., Resumming QCD vacuum fluctuations in three-flavour chiral perturbation theory. Eur. Phys. J. C 34, 201 (2004). hep-ph/0311120.
17. S. Descotes-Genon, π-π and π-K scatterings in three-flavour resummed chiral perturbation theory. J. Phys. Conf. Ser. 110, 052012 (2008). 0710. 1696 [hep-ph].
18. D. G. Boulware, L. S. Brown, Tree graphs and classical fields. Phys. Rev. 172(5), 1628 (1968).
19. A. Nyffeler, A. Schenk, Effective field theory of the linear O(N) sigma model. Ann. Phys. 241, 301 (1995). hep-ph/9409436.
20. P. Hernandez, M. Laine, Charm mass dependence of the weak Hamiltonian in chiral perturbation theory. J. High Energy Phys. 0409, 018 (2004). hep-ph/0407086.