Measurement of the N(n, p)C cross section at the CERN n_TOF facility from subthermal energy to 800 keV

Torres-Snchez, P.*; 原田 秀郎; 木村 敦; 他129名*

Physical Review C, 107(6), p.064617_1 - 064617_15, 2023/06

https://doi.org/10.1103/PhysRevC.107.064617

The N(n, p)C reaction cross section has been measured at the CERN neutron time-of-flight facility n_TOF from subthermal energy to 800 keV. The experiment was performed at the experimental area EAR-2 with a stack of micromesh gaseous structure detectors (MicroMegas). B(n,)Li and U(n, f) reactions were used as references. A thermal cross section was obtained (1.809 0.045 b) that is lower than the two most recent measurements by slightly more than one standard deviation, but in line with the ENDF/B-VIII.0 andJEFF-3.3 evaluations.