ENTRY 32595 20100329 31473259500000001 SUBENT 32595001 20100329 31473259500100001 BIB 14 29 3259500100002 TITLE Measurement of activation cross section for 3259500100003 Hf-179(n,2n)Hf-178m2 reaction 3259500100004 INSTITUTE (3CPRAEP) 3259500100005 REFERENCE (J,CNP,14,(4),326,199211) 3259500100006 (R,INDC(NDS)-286,57,199311) 3259500100007 AUTHOR (Yu Weixiang,Lu Hanlin,Zhao Wenrong) 3259500100008 FACILITY (CCW,3CPRAEP) The samples were irradiated at the 3259500100009 Cockcroft- Walton accelerator of CIEA and 3259500100010 (NGEN,3CPRLNZ) the intense neutron 3259500100011 generator of Langhou University 3259500100012 INC-SOURCE (D-T) 3259500100013 SAMPLE The Hf discs were made of natural oxide hafnium powder 3259500100014 by pressing, diameter=20 mm, thickness=2mm. 3259500100015 METHOD (ACTIV) 3259500100016 DETECTOR (GELI) A 136 cm3 Ge-Li detector was used for gamma-ray 3259500100017 detection. 3259500100018 MONITOR (41-NB-93(N,2N)41-NB-92-M,,SIG) 3259500100019 Niobium foils with 20 mm in diameter and 0.05 mm in 3259500100020 thickness. 3259500100021 MONIT-REF (,Zhao Wenrong,R,INDC(CPR)-16,198909) 3259500100022 DECAY-MON (41-NB-92-M,10.15D,DG,934.,0.99) 3259500100023 STATUS (TABLE) Data taken from Table 5 of Chinese J. of 3259500100024 Nuclear Physics,14(4),326(1992) 3259500100025 (APRVD) proof copy was approved by author and authors 3259500100026 corrections have been entered. 3259500100027 HISTORY (19930505C) Compiled by Liang Qichang (CNDC) 3259500100028 (19970424U) HW.- PART-DET deleted in subents 002,003.- 3259500100029 (19980716U) HW.- Reference added. 3259500100030 (20100329A) SD:Updated to new date formats,lower case. 3259500100031 ENDBIB 29 0 3259500100032 NOCOMMON 0 0 3259500100033 ENDSUBENT 32 0 3259500199999 SUBENT 32595002 20100329 31473259500200001 BIB 5 17 3259500200002 REACTION (72-HF-179(N,2N)72-HF-178-M2,,SIG) 3259500200003 DECAY-DATA (72-HF-178-M2,31.1YR,DG,574.,0.838,DG,495.,0.6892) 3259500200004 CORRECTION Corrections were made for 3259500200005 * gamma-ray self-absorption 5.0-8.0%, 3259500200006 * sum peak effect 47.0 and 48.0%, 3259500200007 * fluctuation of neutron fluence 0.4-1.3% 3259500200008 ERR-ANALYS (ERR-T) The errors consist of the following 3259500200009 uncertainties: 3259500200010 (MONIT-ERR) standard cross section 0.9-1.1% 3259500200011 (ERR-1) gamma-ray self-absorption 0.5% 3259500200012 (ERR-2) weight and purity of sample 0.5% 3259500200013 (ERR-3) efficiency of gamma-ray full energy peak 1.5% 3259500200014 (ERR-S) statistics and area of gamma-ray 3259500200015 full energy peak 3.0% 3259500200016 (ERR-4) correction of sum peak 6.9% 3259500200017 total 7.7-7.8% 3259500200018 HISTORY (19970424U) HW.- Keyword PART-DET deleted.- 3259500200019 ENDBIB 17 0 3259500200020 COMMON 5 3 3259500200021 ERR-1 ERR-2 ERR-3 ERR-S ERR-4 3259500200022 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3259500200023 0.5 0.5 1.5 3.0 6.9 3259500200024 ENDCOMMON 3 0 3259500200025 DATA 6 2 3259500200026 EN EN-ERR DATA ERR-T MONIT MONIT-ERR 3259500200027 MEV MEV MB MB MB MB 3259500200028 14.19 0.23 6.6 0.6 457.6 4.53259500200029 14.77 0.48 7.0 0.6 458.9 5.63259500200030 ENDDATA 4 0 3259500200031 ENDSUBENT 30 0 3259500299999 SUBENT 32595003 20100329 31473259500300001 BIB 5 15 3259500300002 REACTION (72-HF-180(N,2N)72-HF-179-M2,,SIG) 3259500300003 DECAY-DATA (72-HF-179-M2,25.1D,DG,454.,0.66) 3259500300004 CORRECTION Corrections were made for 3259500300005 gamma-ray self-absorption: 5.0-8.0 percent, 3259500300006 fluctuation of neutron fluence: 0.4-1.3 percent. 3259500300007 ERR-ANALYS (ERR-T) The errors consist of the following 3259500300008 uncertainties: 3259500300009 (MONIT-ERR) standard cross section 1.1% 3259500300010 (ERR-1) gamma-ray self-absorption 0.5% 3259500300011 (ERR-2) weight and purity of sample 0.5% 3259500300012 (ERR-3) efficiency of gamma-ray full energy peak 1.5% 3259500300013 (ERR-S) statistics and area of gamma-ray 3259500300014 full energy peak 1.0% 3259500300015 total 2.2% 3259500300016 HISTORY (19970424U) HW.- Keyword PART-DET deleted.- 3259500300017 ENDBIB 15 0 3259500300018 COMMON 4 3 3259500300019 ERR-1 ERR-2 ERR-3 ERR-S 3259500300020 PER-CENT PER-CENT PER-CENT PER-CENT 3259500300021 0.5 0.5 1.5 1.0 3259500300022 ENDCOMMON 3 0 3259500300023 DATA 6 1 3259500300024 EN EN-ERR DATA ERR-T MONIT MONIT-ERR 3259500300025 MEV MEV MB MB MB MB 3259500300026 14.77 0.48 25.1 0.5 458.9 5.63259500300027 ENDDATA 3 0 3259500300028 ENDSUBENT 27 0 3259500399999 ENDENTRY 3 0 3259599999999