ENTRY 32677 20100908 31463267700000001 SUBENT 32677001 20100908 31463267700100001 BIB 14 32 3267700100002 TITLE Accurate determination of cross sections for 3267700100003 238U(n,2n)237U induced by neutrons around 14 MeV 3267700100004 AUTHOR (Xianggao WANG,Shan JIANG,Ming HE,Kejun Dong, 3267700100005 Caijing XIAO) 3267700100006 INSTITUTE (3CPRAEP) 3267700100007 (3CPRCPR) College of Physics Science and Technology, 3267700100008 Guanxi University, Nanning, China. 3267700100009 REFERENCE (J,NIM/A,621,326,201009) 3267700100010 #doi:10.1016/j.nima.2010.04.034 3267700100011 FACILITY (NGEN,3CPRAEP) 600 kV Neutron Generator at CIAE. 3267700100012 DETECTOR (HPGE) A HPGe detector (sensitive volume 110 cm3) 3267700100013 METHOD (ACTIV) Activation 3267700100014 INC-SOURCE (D-T) The thickness of the solid tritium-titanium(T- 3267700100015 Ti) target is 1.0 mg/cm2, and the incident deuterium 3267700100016 energy is 300 keV. 3267700100017 MONITOR (13-AL-27(N,A)11-NA-24,,SIG) 3267700100018 (41-NB-93(N,2N)41-NB-92-M,,SIG) 3267700100019 DECAY-MON (41-NB-92-M,10.15D,DG,934.44,0.9907) 3267700100020 (11-NA-24,14.997HR,DG,1368.626,0.999936) 3267700100021 MONIT-REF (,M.Wagner+,B,PH-DAT,,13-5,1990) 3267700100022 ERR-ANALYS (ERR-T) Total errors (2.6%) 3267700100023 (ERR-S) Counting statistics (0.5%) 3267700100024 (ERR-1) Efficiency calibration (1.7%) 3267700100025 (ERR-2,,0.1) Weight of sample (<0.1%) 3267700100026 (ERR-3) Correction factor Fs for self-absorption(0.8%) 3267700100027 (ERR-4,,0.1) Correction factor Fc for coincidence 3267700100028 summing effect (<0.1%) 3267700100029 (ERR-5) Branching ratio of gamma rays (1.4%) 3267700100030 (ERR-6) Standard cross section (1.0%) 3267700100031 STATUS (TABLE)Data are taken from table 3 in page 328 of 3267700100032 J,NIM/A,vol.621,201009 3267700100033 HISTORY (20100909C) Compiled by Youxiang ZHUANG 3267700100034 ENDBIB 32 0 3267700100035 COMMON 5 3 3267700100036 ERR-S ERR-1 ERR-3 ERR-5 ERR-6 3267700100037 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3267700100038 0.5 1.7 0.8 1.4 1.0 3267700100039 ENDCOMMON 3 0 3267700100040 ENDSUBENT 39 0 3267700199999 SUBENT 32677002 20100908 31463267700200001 BIB 3 6 3267700200002 REACTION (92-U-238(N,2N)92-U-237,,SIG) 3267700200003 SAMPLE (92-U-238,NAT=0.996971) The sample was made of 3267700200004 depleted U3O8 powder of 99.99% purity with a 3267700200005 diameter of 5 mm, and sandwiched between two disks 3267700200006 each of thin Al and Nb foils. 3267700200007 DECAY-DATA (92-U-237,6.75D,DG,208.005,0.212) 3267700200008 ENDBIB 6 0 3267700200009 NOCOMMON 0 0 3267700200010 DATA 4 4 3267700200011 EN EN-ERR DATA ERR-T 3267700200012 MEV MEV MB MB 3267700200013 13.5 0.3 1101. 29. 3267700200014 14.1 0.2 853. 22. 3267700200015 14.7 0.3 659. 17. 3267700200016 14.9 0.4 599. 16. 3267700200017 ENDDATA 6 0 3267700200018 ENDSUBENT 17 0 3267700299999 ENDENTRY 2 0 3267799999999