Nuclear gamma-ray emission from antiproton annihilation at rest in uranium |
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| Authors: | T. A. Armstrong R. Bishop V. Harris R. A. Lewis E. Minor G. A. Smith |
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| Affiliation: | 1. Laboratory for Elementary Particle Science, Department of Physics, Pennsylvania State University, 16802, University Park, PA, USA
2. Aerospace Engineering Department, Pennsylvania State University, USA
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| Abstract: | We have observed low energy nuclear gamma-rays, which we interpret as coming from fission fragments, from antiproton annihilation at rest in a uranium target. The high gamma-ray and previously reported fission neutron temperatures, as well as large relative neutron-to-gamma ray yields, suggest a high level of excitation of the fission fragments. |
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