ENTRY 32622 20150524 31703262200000001 SUBENT 32622001 20150524 31703262200100001 BIB 15 29 3262200100002 TITLE Measurement of some (n,2n) reaction cross sections for 3262200100003 producing long half-life residues 3262200100004 AUTHOR (Wang Yongchang, Yuan Junqian, Yang Jingkang, 3262200100005 Kong Xiangzhong, Ren Zhongliang, Wang Huamin) 3262200100006 INSTITUTE (3CPRLNZ) 3262200100007 REFERENCE (J,PHE,16,731,1992) 3262200100008 (J,JRN,227,15,1998) Same data for all reactions given3262200100009 (J,CNP,19,(1),35,1997)Same data for 151Eu,159Tb(n,2n) 3262200100010 REL-REF (O,30996002,Yongchang Wang+,J,NSE,111,314,1992) 3262200100011 109Ag(n,2n)108mAg data compiled 3262200100012 FACILITY (CCW,3CPRLNZ) ZF-300-II intense neutron generator 3262200100013 INC-SOURCE (D-T) T-Ti target (~0.9 mg/cm2 thick) with 125 keV 3262200100014 deuteron beam (~20 mA) 3262200100015 METHOD (ACTIV) Irradiated for 6.6 hr 3262200100016 DETECTOR (HPGE) CH8403 coaxial high-purity Ge detector 3262200100017 (Relative efficiency of 20%, energy resolution of 3262200100018 3 keV at 1.33 MeV) 3262200100019 MONITOR (41-NB-93(N,2N)41-NB-92-M,,SIG) 3262200100020 DECAY-MON (41-NB-92-M,10.15D,DG,934.5,0.99) 3262200100021 MONIT-REF (,Zhao Wenrong+,R,INDC(CPR)-16,1989) 3262200100022 CORRECTION Corrected for 3262200100023 - gamma-ray self-absorption in sample 3262200100024 - coincidence sum effects of cascade gamma-rays 3262200100025 - measurement geometry 3262200100026 - neutron fluence fluctuation 3262200100027 STATUS (TABLE) Table 3 of J.Radioanal.Nucl.Chem.227(1998)15 3262200100028 HISTORY (19950120C) Compiled by Liang Qichang (CNDC) 3262200100029 (20100219A) SD:Updated to new date formats,lower case. 3262200100030 (20150524A) On. Major revisions in 002-004 3262200100031 ENDBIB 29 0 3262200100032 NOCOMMON 0 0 3262200100033 ENDSUBENT 32 0 3262200199999 SUBENT 32622002 20150524 31703262200200001 BIB 5 15 3262200200002 REACTION (63-EU-151(N,2N)63-EU-150-G,,SIG) 3262200200003 SAMPLE (63-EU-151,NAT=0.478) Europium oxide (Eu2O3, chemical 3262200200004 purity of 99.95%) powder pressed into 20 mm in diam. 3262200200005 and 0.3 to 1.2 mm thick 3262200200006 DECAY-DATA (63-EU-150-G,35.8YR,DG,334.,0.94) 3262200200007 ERR-ANALYS (ERR-T) Total uncertainty propagated from 3262200200008 (MONIT-ERR,1.1,1.6) Standard cross section (1.1-1.6%)3262200200009 (ERR-1,2.2,2.4) Full peak area analysis (2.2-2.4%)3262200200010 (ERR-2) Gamma-ray self-absorption (0.9%)3262200200011 (ERR-3) Weight and purity of sample (0.35%)3262200200012 (ERR-4) Efficiency of gamma-ray full energy peak (2.0%)3262200200013 (ERR-5) Correction of sum peak (1.5%)3262200200014 (ERR-6) Fluctuation of neutron fluence (0.4%)3262200200015 (ERR-7) Neutron scattering (0.5%)3262200200016 HISTORY (20150524A) On. Data replaced with those in JRN article3262200200017 ENDBIB 15 0 3262200200018 COMMON 6 3 3262200200019 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3262200200020 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3262200200021 0.9 0.35 2.0 1.5 0.4 0.5 3262200200022 ENDCOMMON 3 0 3262200200023 DATA 4 5 3262200200024 EN EN-ERR DATA ERR-T 3262200200025 MEV MEV MB MB 3262200200026 13.5 0.1 1227. 47. 3262200200027 13.7 0.1 1238. 48. 3262200200028 14.4 0.1 1165. 44. 3262200200029 14.6 0.1 1168. 44. 3262200200030 14.8 0.1 1170. 44. 3262200200031 ENDDATA 7 0 3262200200032 ENDSUBENT 31 0 3262200299999 SUBENT 32622003 20150524 31703262200300001 BIB 5 16 3262200300002 REACTION (63-EU-153(N,2N)63-EU-152,,SIG) 3262200300003 SAMPLE (63-EU-153,NAT=0.522) Europium oxide (Eu2O3, chemical 3262200300004 purity of 99.95%) powder pressed into 20 mm in diam. 3262200300005 and 0.3 to 1.2 mm thick 3262200300006 DECAY-DATA (63-EU-152-G,13.33YR,DG,344.,0.266) 3262200300007 E(gamma)=1408 keV (20.8%) given in the PHE article 3262200300008 ERR-ANALYS (ERR-T) Total uncertainty propagated from 3262200300009 (MONIT-ERR,1.1,1.6) Standard cross section (1.1-1.6%)3262200300010 (ERR-1,5.4,6.2) Full peak area analysis (5.4-6.2%)3262200300011 (ERR-2) Gamma-ray self absorption (0.9%)3262200300012 (ERR-3) Weight and purity of sample (0.35%)3262200300013 (ERR-4) Efficiency of gamma-ray full energy peak (2.0%)3262200300014 (ERR-5) Correction of sum peak (2.0%)3262200300015 (ERR-6) Fluctuation of neutron fluence (0.4%)3262200300016 (ERR-7) Neutron scattering (1.3%)3262200300017 HISTORY (20150524A) On. Data replaced with those in JRN article3262200300018 ENDBIB 16 0 3262200300019 COMMON 6 3 3262200300020 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3262200300021 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3262200300022 0.9 0.35 2.0 2.0 0.4 1.3 3262200300023 ENDCOMMON 3 0 3262200300024 DATA 4 5 3262200300025 EN EN-ERR DATA ERR-T 3262200300026 MEV MEV MB MB 3262200300027 13.5 0.1 1469. 117. 3262200300028 13.7 0.1 1467. 113. 3262200300029 14.4 0.1 1502. 118. 3262200300030 14.6 0.1 1496. 118. 3262200300031 14.8 0.1 1596. 118. 3262200300032 ENDDATA 7 0 3262200300033 ENDSUBENT 32 0 3262200399999 SUBENT 32622004 20150524 31703262200400001 BIB 5 14 3262200400002 REACTION (65-TB-159(N,2N)65-TB-158,,SIG) 3262200400003 SAMPLE Terbium oxide (Tb4O7, chemical purity of 99.9%) powder 3262200400004 pressed into 20 mm in diam. and 0.3 to 1.2 mm thick 3262200400005 DECAY-DATA (65-TB-158-G,180.YR,DG,944.,0.43) 3262200400006 ERR-ANALYS (ERR-T) Total uncertainty propagated from 3262200400007 (MONIT-ERR,1.1,1.6) Standard cross section (1.1-1.2%)3262200400008 (ERR-1,3.2,12.8) Full peak area analysis (3.2-12.8%)3262200400009 (ERR-2) Gamma-ray self-absorption (0.6%)3262200400010 (ERR-3) Weight and purity of sample (0.5%)3262200400011 (ERR-4) Efficiency of gamma-ray full energy peak (2.0%)3262200400012 (ERR-5) Correction of sum peak (2.0%)3262200400013 (ERR-6) Fluctuation of neutron fluence (0.4%)3262200400014 (ERR-7) Neutron scattering (1.8%)3262200400015 HISTORY (20150524A) On. Data replaced with those in JRN article3262200400016 ENDBIB 14 0 3262200400017 COMMON 6 3 3262200400018 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3262200400019 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3262200400020 0.6 0.5 2.0 2.0 0.4 1.8 3262200400021 ENDCOMMON 3 0 3262200400022 DATA 4 4 3262200400023 EN EN-ERR DATA ERR-T 3262200400024 MEV MEV MB MB 3262200400025 13.7 0.1 2077. 277. 3262200400026 14.4 0.1 2144. 112. 3262200400027 14.6 0.1 1909. 85. 3262200400028 14.8 0.1 1922. 89. 3262200400029 ENDDATA 6 0 3262200400030 ENDSUBENT 29 0 3262200499999 ENDENTRY 4 0 3262299999999