Search for the (Delta)(sup (minus)) wave-function component in light nuclei

摘要

We have studied the ((pi)(sup +), (pi)(sup (+-))p) reactions on (sup 3)He, (sup 4)He, (sup 6)Li, and (sup 7)Li at incident energy 500 MeV in quasi-free kinematics. A signature attributable to pre-existing (Delta) components of the ground state wave function is observed.