Experimental information on mass- and TKE-dependence of the prompt fission gamma-ray multiplicity

TRAVAR, M.; PIAU, V.; GÖÖK, Alf; LITAIZE, O.; NIKOLOV, Jovana; OBERSTEDT, A.; OBERSTEDT, Stephan; ENDERS, J.; PECK, M.; GEERTS, Wouter; VIDALI, Marzio

doi:10.1016/j.physletb.2021.136293

Prompt gamma-rays from the spontaneous fission of 252Cf were measured with ceriumdoped LaBr3 detectors. The average prompt fission gamma-ray multiplicity, M-gamma, was determined as a function of fragment mass number (A) and total kinetic energy (TKE). Our data, obtained from three detectors of different size at different angles relative to the fission chamber, confirms unequivocally a saw-tooth like shape of the gamma multiplicity as a function of fragment mass. Due to the high statistics of our measurement, deviations from hitherto published results could be made clearly visible. In addition, the TKE-dependence of M-gamma was determined experimentally and compared with recent data.

TRAVAR M.; PIAU V.; GÖÖK Alf; LITAIZE O.; NIKOLOV Jovana; OBERSTEDT A.; OBERSTEDT Stephan; ENDERS J.; PECK M.; GEERTS Wouter; VIDALI Marzio;

2021-04-27

ELSEVIER SCIENCE BV

JRC120498

0370-2693 (online),

https://www.sciencedirect.com/science/article/pii/S0370269321002331?via%3Dihub, https://publications.jrc.ec.europa.eu/repository/handle/JRC120498,

10.1016/j.physletb.2021.136293 (online),

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