Physical-region constraints on low-energy partial-wave amplitudes
19707 pages
Published in:
- Phys.Rev.D 2 (1970) 247-253
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Abstract: (APS)
On the basis of analyticity, crossing, and positivity of the imaginary parts of the partial-wave amplitudes, we derive inequalities on integrals involving the low partial waves of elastic π0π0 scattering in the physical region. The integrals are sensitive only to the low-energy region, and can therefore be tested once a phase-shift analysis is given. The relations can be used to discriminate between various proposed π0π0 phase shifts.- analytic properties
- symmetry: crossing
- partial wave: scattering amplitude
- scattering amplitude: partial wave
- pi0 pi0: elastic scattering
- elastic scattering: pi0 pi0
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