Theoretical Response to the Discovery of Deeply Bound Pionic States in 208Pb(d,3He) reactions
H. Toki, S. Hirenzaki, K. Takahashi
Abstract
Recently, deeply bound pionic states were found experimentally in (d, 3He) reactions on 208Pb. They found an isolated peak structure in the bound region below the pion production threshold. We study theoretically these excitation functions in (d, 3He) reactions on 208Pb at Td=600 MeV. We found very good agreement with the (d, 3He) excitation functions and could identify the underlying structures of the pionic states. We study the energy dependence of the (d, 3He) reactions and the change of the excitation functions with the incident energy.
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