Phys.Rev.Lett. 45, 982 (1980)

H.W.Baer, J.D.Bowman, M.D.Cooper, F.H.Cverna, C.M.Hoffman, M.B.Johnson, N.S.P.King, J.Piffaretti, E.R.Siciliano, J.Alster, A.Doron, S.Gilad, M.Moinester, P.R.Bevington, E.Winkelmann

Observation of Isobaric Analog States in Pion Single-Charge-Exchange Reactions

NUCLEAR REACTIONS ⁷Li, ¹³C, ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ¹²⁰Sn, ²⁰⁸Pb(π⁺, π⁰), E=98 MeV; measured σ(θ). ⁷Be, ¹³N, ²⁷Si, ⁵⁸Cu, ⁹⁰Nb, ¹²⁰Sb, ²⁰⁸Bi deduced IAS. Optical model.

doi: 10.1103/PhysRevLett.45.982