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Meson-nucleus scattering lengths and sigma-terms
- Source :
- Il Nuovo Cimento A. 60:221-233
- Publication Year :
- 1980
- Publisher :
- Springer Science and Business Media LLC, 1980.
-
Abstract
- A formula for K−-nucleus scattering lengths is deriveda la Fubini-Furlan from current algebra and PCAC. From a fit to kaonic atom and scattering data we estimate Σ0(KN)≃ (512 ± 101) MeV and Σ1 (KN)⩽ 78 MeV, consistent with very small nonstrange “current” quark masses.
Details
- ISSN :
- 18269869 and 03693546
- Volume :
- 60
- Database :
- OpenAIRE
- Journal :
- Il Nuovo Cimento A
- Accession number :
- edsair.doi...........c56b2e4f44aae65b439ab9ad3caa8070
- Full Text :
- https://doi.org/10.1007/bf02902459