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Higher Threshold Parameters in pi pi Scattering

Ananthanarayan, B and Buttiker, P (1997) Higher Threshold Parameters in pi pi Scattering. [Preprint]


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A family of threshold parameters which probe the stability of chiral predictions is considered. The relevant criteria for the choice of threshold parameters are discussed. Sum rules for these quantities are derived from dispersion relations and evaluated from effective range formulae. Good agreement with two-loop chiral estimates for many of these quantities is found and interesting discrepancies are discussed.

Item Type: Preprint
Additional Information: Phys.Lett. B415 (1997) 402-410
Department/Centre: Division of Physical & Mathematical Sciences > Centre for Theoretical Studies (Ceased to exist at the end of 2003)
Date Deposited: 26 Jul 2004
Last Modified: 19 Sep 2010 04:13
URI: http://eprints.iisc.ac.in/id/eprint/876

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