Resonances inη-light nucleus systems
K P Khemchandani N G Kelkar M Nowakowski B K Jain
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We locate resonances inη-light nucleus elastic scattering using the time delay method. We solve few-body equations within the finite rank approximation in order to calculate the t-matrices and hence the time delay for theη-3He andη-4He systems. We find a resonance very close to the threshold inη-3He elastic scattering, at about 0.5 MeV above threshold with a width of ∼2 MeV. The calculations also hint at the presence of sub-threshold states in both the cases
K P Khemchandani1 N G Kelkar2 M Nowakowski2 B K Jain1
Volume 96, 2022
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