Model-independent analysis of the pi pi phase shifts from pi N ---> pi pi N data - INSPIRE

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Model-independent analysis of the pi pi phase shifts from pi N ---> pi pi N data

1996

14 pages

Published in:

Nucl.Phys.A 598 (1996) 335-348

DOI:

10.1016/0375-9474(95)00473-4

View in:

Nuclear Science References

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Abstract: (Elsevier)

The analysis of ππ scattering phase shifts near threshold has been performed. The average S - and P - ππ phase shifts have been determined by fitting all of the available experimental data for 5 charge reaction channels. The application of the Roy equations allows one to obtain self-consistent ππ scattering partial amplitudes. The calculated amplitudes are in agreement with the experimentally obtained phase shifts and satisfy the analyticity, unitarity and crossing conditions for a restricted range of S -wave scattering lengths 0.205 < a 0 0 < 0.270, −0.048 < a 0 2 < −0.016 in inverse pion mass units.

pi nucleon: inelastic scattering
inelastic scattering: pi nucleon
pi: hadroproduction
hadroproduction: pi
pi: pair production
pair production: pi
pi pi: interaction
interaction: pi pi
partial wave analysis
analytic properties

References(50)

Figures(0)

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