Fission of Radium by 11- to 22-Mev Protons
- 15 October 1960
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 120 (2), 543-548
- https://doi.org/10.1103/physrev.120.543
Abstract
The ranges and relative yields of and fragments from the fission of by 11- to 22-Mev protons were determined by a radiochemical recoil-catching technique. The relative yield data indicate that above 11 Mev the three-humped mass-yield curve becomes predominantly "symmetric" and perhaps somewhat narrower. An apparent fission threshold of ∼10.4 Mev was observed. The curve of total fission yield vs energy has the same slope between 13 and 22 Mev as has been reported for the fast-neutron-induced fission of radium. The ranges in mg Au/ at 11 and 20 Mev, respectively, are, : 11.2±0.9 and 10.8±0.2; : 9.1±1.0 and 9.2±0.3, corresponding to an average total kinetic energy of 162±10 Mev.
Keywords
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