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Meson-nucleus scattering lengths and sigma-terms

Authors :
Paolo M. Gensini
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