πN σ term from threshold data
- 1 April 1980
- journal article
- Published by IOP Publishing in Journal of Physics G: Nuclear Physics
- Vol. 6 (4) , 431-436
- https://doi.org/10.1088/0305-4616/6/4/011
Abstract
A systematic method to evaluate the pi N sigma term using only very low-energy data is discussed. An s-wave 'curvature parameter' is used to recast the Altarelli-Cabibbo-Maiani relation (see ibid., vol.B34, p.621, 1971) into a more useful form.Keywords
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