Title: Light Fission-Fragment Mass Distribution from the Reaction 251Cf(nth, f)
Authors: BIRGERSSON EvertOBERSTEDT STEPHANOBERSTEDT ANDREASHAMBSCH FRANZ-JOSEFROCHMAN D.TSEKHANOVICH I.RAMAN S.
Citation: NUCLEAR PHYSICS A vol. 791 p. 1-23
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2007
JRC N°: JRC34148
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC34148
Type: Articles in Journals
Abstract: For mass numbers A=80 to 124 the recoil mass spectrometer LOHENGRIN of the Institute Laue-Langevin in Grenoble was used to measure with high resolution the light fission-fragment mass yields and kinetic energy distributions from thermal-neutron induced fission of 252Cf* for the first time, using 251Cf as target material. The obtained mean light fragment mass <A_L> = (107 +- 2) amu, and the corresponding mean kinetic energy <E_{k,L}> = (103 +- 2) MeV are within the expected trend. The emission yields around A = 115 are enhanced and the corresponding mean kinetic energy is higher compared to spontaneous fission of 252Cf. Special corrections were applied to the raw data due to the electric field drifts of the LOHENGRIN spectrometer.
JRC Institute:Institute for Reference Materials and Measurements

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