Reaction 58Ni(π+,2p) at 160 MeV
Reaction 58Ni(π+,2p) at 160 MeV
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Date
1986-07
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Citation
Burger, W.J. et al. "Reaction 58Ni(π+,2p) at 160 MeV." Physical Review Letters 57, no. 1 (1986): 58-61.
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Abstract
Data for the 58Ni(π+,2p) reaction at Tπ=160 MeV were obtained for a number of angle pairs. The resultant angular correlations for T1+T2>160 MeV (guaranteed pion absorption) peak at a separation angle corresponding to absorption on a deuteron at rest. However, simple estimates of initial- and final-state scatterings suggest that less than 50% of the absorption cross section arises from absorption on nucleon pairs. The data show little evidence for scattering of pions before absorption on nucleon pairs.