ENTRY 32599 20100329 31473259900000001 SUBENT 32599001 20100329 31473259900100001 BIB 16 38 3259900100002 TITLE Activation cross section measurement and evaluation for3259900100003 Na-23(n,2n)Na-22 reaction 3259900100004 INSTITUTE (3CPRAEP) 3259900100005 REFERENCE (J,CNP,14,(1),83,199203) 3259900100006 AUTHOR (Lu Hanlin,Zhao Wenrong,Yu Weixiang) 3259900100007 FACILITY (CCW,3CPRAEP) 3259900100008 (VDG,3CPRAEP) 3259900100009 INC-SOURCE (D-T) 3259900100010 SAMPLE NaF powder was pressed into tablets, diameter=20 mm, 3259900100011 thickness= 2.5 mm 3259900100012 METHOD (ACTIV) 3259900100013 DETECTOR (GELI) 3259900100014 the activities of the samples and monitors were 3259900100015 determined by a calibrated Ge-Li spectrometer. 3259900100016 PART-DET (DG) 3259900100017 MONITOR (41-NB-93(N,2N)41-NB-92-M,,SIG) 3259900100018 MONIT-REF (,Zhao Wenrong+,R,INDC(CPR)-16,198908) 3259900100019 CORRECTION Corrections were made for 3259900100020 gamma-ray self-absorption in Nb-92m and Na-22 3259900100021 change of effective distance between the source and 3259900100022 detector due to the thickness of the foils 3259900100023 fluctuation of neutron flux density 3259900100024 ERR-ANALYS (ERR-T) The main uncertainties of the cross section 3259900100025 include: 3259900100026 (MONIT-ERR) 1.0-2.7% errors of standard cross section 3259900100027 (ERR-1,1.2,1.5) efficiency of gamma-ray full energy 3259900100028 peak 3259900100029 (ERR-S,0.8,1.5) counting statistics of activity 3259900100030 (ERR-2) 0.4% gamma-ray self-absorption 3259900100031 (ERR-3) 0.5% purity of sample 3259900100032 STATUS (TABLE) Data taken from Table 1 of Chinese j. of 3259900100033 Nuclear Physics,14(1),83 (1992) 3259900100034 (APRVD) proof copy was approved by author and authors 3259900100035 corrections have been entered. 3259900100036 HISTORY (19930110C) Compiled by Liang Qichang (CNDC) 3259900100037 (19940714A) HW.- Decay-data given in subent 002.- 3259900100038 (19970424A) HW.- Decay-data corrected in subent 002.- 3259900100039 (20100329A) SD:Updated to new date formats,lower case. 3259900100040 ENDBIB 38 0 3259900100041 COMMON 2 3 3259900100042 ERR-2 ERR-3 3259900100043 PER-CENT PER-CENT 3259900100044 0.4 0.5 3259900100045 ENDCOMMON 3 0 3259900100046 ENDSUBENT 45 0 3259900199999 SUBENT 32599002 20100329 31473259900200001 BIB 3 4 3259900200002 REACTION (11-NA-23(N,2N)11-NA-22,,SIG) 3259900200003 DECAY-DATA (11-NA-22,2.602YR,DG) 3259900200004 HISTORY (19940714A) HW.- Decay-data given.- 3259900200005 (19970424A) HW.- DG added to decay data.- 3259900200006 ENDBIB 4 0 3259900200007 NOCOMMON 0 0 3259900200008 DATA 6 6 3259900200009 EN EN-ERR DATA ERR-T MONIT MONIT-ERR 3259900200010 MEV MEV MB MB MB MB 3259900200011 13.50 0.15 5.83 0.16 448.9 7.43259900200012 14.10 0.15 20.10 0.50 456.7 4.73259900200013 14.64 0.21 39.5 0.8 459. 5. 3259900200014 14.87 0.21 41.7 0.9 458. 6. 3259900200015 16.95 0.33 89.1 3.0 413. 11. 3259900200016 17.98 0.21 99.0 4.3 388. 15. 3259900200017 ENDDATA 8 0 3259900200018 ENDSUBENT 17 0 3259900299999 ENDENTRY 2 0 3259999999999