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Experimental disagreements with Extended Unitarity · Around

2008

Experimental disagreements with Extended Unitarity

Bugg, D. V.

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Understand

In production processes, e.g.

J/Psi -> omega-pi-pi or pbar-p -> 3pi, the sigma and fo(980) overlap in the same partial wave.
The conjecture of Extended Unitarity (EU) states that the pi-pi pair should have the same phase variation as pi-pi elastic scattering.
This is an extension of Watson's theorem beyond its original derivation, which stated only that the s-dependence of a single resonance should be universal.

Built on

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Original
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