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New Experimental Results on from 700 to 1100 MeV/c
Phys. Rev. D 8, 1286 – Published 1 September, 1973
DOI: https://doi.org/10.1103/PhysRevD.8.1286
Abstract
Cross sections and angular data are presented for proton-antiproton annihilation into and at six laboratory momenta from 686 to 1098 MeV/c. Unlike results reported elsewhere, the rates for and states are found to be comparable within statistics. Also, evidence is presented that at least several waves contribute to the direct-channel amplitude with different isospin as well as angular momentum quantum numbers.
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