Vibrational resonances below 5 MeV in the fission of 240Pu |
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Authors: | P.D. Goldstone F. Hopkins R.E. Malmin P. Von Brentano P. Paul |
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Affiliation: | Department of Physics, State University of New York, Stony Brook, N.Y. 11794, USA |
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Abstract: | Using the 239Pu(d, pf) reaction, the next lower Kπ = 0+ vibrational resonance below 5 MeV in the deformed potential of 240Pu was located at 4.55 MeV. The resultant spacing of fission vibrations near 5 MeV in the second minimum is 500 keV. A resonance at 4.70 MeV is interpreted as the Kπ = 0? vibration coupled to the 4.55 MeV Kπ = 0+ state, which yields E(Kπ = 0?) = 150 keV relative to the ground state of the second minimum. |
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