Spectrum averaged cross section measurements of lutetium using standard < sup > 252 < /sup > Cf neutron source

Appl Radiat Isot. 2022 Jul 12;188:110378. doi: 10.1016/j.apradiso.2022.110378. Online ahead of print.ABSTRACTThe spectrum averaged cross section (SACS) in a standard neutron field is a preferable tool for cross section validation. The presented work uses only neutron standard, i.e., 252Cf(sf) reaction neutron field, for validation of lutetium threshold cross sections. SACS were inferred from gamma spectrometry derived reaction rates. The SACS which were derived include 175Lu (n,2n)174Lu, 175Lu (n,3n)173Lu, 175Lu (n,p)175Yb, and 176Lu (n,n')176m1Lu reactions. All these reactions SACS were measured for the first time. MCNP6.2 calculations using JEFF-3.3 or ENDF/B-VIII.0 libraries for lutetium cross sections were compared with experimental data. The agreement was found very poor for all reactions under study. Thus there is a need for their improvement. The presented data can be also used for validation of the various theoretical models.PMID:35841849 | DOI:10.1016/j.apradiso.2022.110378
Source: Applied Radiation and Isotopes - Category: Radiology Authors: Source Type: research