ENTRY 32845 20230921 3284500000001 SUBENT 32845001 20230921 20240316 3284500100001 BIB 18 43 3284500100002 TITLE Cross section measurement of 132,134,136,137Ba(n,p) 3284500100003 and 132,134Ba(n,2n) 3284500100004 AUTHOR (Yuan Junqian,Qiu Jiuzi,Yang Jingkang, 3284500100005 Kong Xiangzhong,Wang Yongchang) 3284500100006 INSTITUTE (3CPRLNZ) 3284500100007 REFERENCE (J,CTNP,11,65,1994) 3284500100008 REL-REF (O,31521004,Xiangzhong Kong+,J,JRN,227,15,1998) 3284500100009 137Ba(n,p)137Cs data compiled 3284500100010 FACILITY (NGEN,3CPRLNZ) ZF-300-II Intense Neutron Generator 3284500100011 INC-SOURCE (D-T) T-Ti target (0.9 mg/cm2 thick) bombarded with 3284500100012 125 keV deuteron beam (20 mA), the neutron yield at 3284500100013 target spot position was (1-3) E12 n/s. 3284500100014 DETECTOR (HPGE) Coaxial high-purity Ge detector (relative 3284500100015 efficiency of 20%, energy resolution of 2.7 keV at 3284500100016 1.33 MeV for 60Co) 3284500100017 METHOD (ACTIV) Irradiated for 108.9 hr 3284500100018 MONITOR ((MONIT1)26-FE-54(N,P)25-MN-54,,SIG) 3284500100019 ((MONIT2)26-FE-54(N,A)24-CR-51,,SIG) 3284500100020 DECAY-MON ((MONIT1)25-MN-54,312.5D,DG,834.83,1.0) 3284500100021 ((MONIT2)24-CR-51,27.72D,DG,320.03,0.102) 3284500100022 MONIT-REF (,Zhao Wenrong+,R,INDC(CPR)-16,55,1989) 3284500100023 SAMPLE BaCO3 circular foil (1.7514 g, 20 mm in diam., purity 3284500100024 of better than 99.9%) was sandwiched between 2 3284500100025 monitor Fe foils (0.6733 g, 20 mm in diam., purity of 3284500100026 99.99%). 3284500100027 ERR-ANALYS (ERR-T) The main sources of uncertainty were: 3284500100028 (MONIT-ERR) Standard cross section (7.4%) 3284500100029 (ERR-S,0.1,3.5) Counting statistics (0.1-3.5%) 3284500100030 (ERR-1) Self-absorption (1.%) 3284500100031 (ERR-2) Weight of sample (0.1%) 3284500100032 (ERR-3) Detector efficiency (2.5%) 3284500100033 (ERR-4) Coincidence of cascade (1.%) 3284500100034 (ERR-5) Fluctuation of neutron fluence (1.%) 3284500100035 (ERR-6) Measurement of neutron energy (1.%) 3284500100036 CORRECTION Corrected for 3284500100037 - self-absorption of the sample 3284500100038 - coincidence sum effects of cascade gamma-rays 3284500100039 - neutron fluence fluctuation 3284500100040 COMMENT The cross sections were calculated based on the two 3284500100041 standard cross sections, the average values were 3284500100042 selected as the results of this work. 3284500100043 STATUS (TABLE) Table 2 of Trends Nucl.Phys.,11,65,1994 3284500100044 HISTORY (20230921C) Su Yang (CNDC) 3284500100045 ENDBIB 43 0 3284500100046 COMMON 12 6 3284500100047 EN EN-ERR ERR-1 ERR-2 ERR-3 ERR-4 3284500100048 ERR-5 ERR-6 MONIT1 MONIT1-ERR MONIT2 MONIT2-ERR 3284500100049 MEV MEV PER-CENT PER-CENT PER-CENT PER-CENT 3284500100050 PER-CENT PER-CENT MB MB MB MB 3284500100051 14.2 0.1 1. 0.1 2.5 1.3284500100052 1. 1. 336. 16. 89.4 5.13284500100053 ENDCOMMON 6 0 3284500100054 ENDSUBENT 53 0 3284500199999 SUBENT 32845002 20230921 20240316 3284500200001 BIB 2 2 3284500200002 REACTION (56-BA-136(N,P)55-CS-136,,SIG) 3284500200003 DECAY-DATA (55-CS-136-G,13.D,DG,818.56,0.997) 3284500200004 ENDBIB 2 0 3284500200005 NOCOMMON 0 0 3284500200006 DATA 2 1 3284500200007 DATA ERR-T 3284500200008 MB MB 3284500200009 3.7 0.3 3284500200010 ENDDATA 3 0 3284500200011 ENDSUBENT 10 0 3284500299999 SUBENT 32845003 20230921 20240316 3284500300001 BIB 2 2 3284500300002 REACTION (56-BA-134(N,P)55-CS-134,,SIG) 3284500300003 DECAY-DATA (55-CS-134-G,2.062YR,DG,604.66,0.976) 3284500300004 ENDBIB 2 0 3284500300005 NOCOMMON 0 0 3284500300006 DATA 2 1 3284500300007 DATA ERR-T 3284500300008 MB MB 3284500300009 16.4 1.4 3284500300010 ENDDATA 3 0 3284500300011 ENDSUBENT 10 0 3284500399999 SUBENT 32845004 20230921 20240316 3284500400001 BIB 2 2 3284500400002 REACTION (56-BA-132(N,P)55-CS-132,,SIG) 3284500400003 DECAY-DATA (55-CS-132,6.47D,DG,667.7,0.975) 3284500400004 ENDBIB 2 0 3284500400005 NOCOMMON 0 0 3284500400006 DATA 2 1 3284500400007 DATA ERR-T 3284500400008 MB MB 3284500400009 35.0 1.5 3284500400010 ENDDATA 3 0 3284500400011 ENDSUBENT 10 0 3284500499999 SUBENT 32845005 20230921 20240316 3284500500001 BIB 2 2 3284500500002 REACTION (56-BA-134(N,2N)56-BA-133,,SIG) 3284500500003 DECAY-DATA (56-BA-133-G,10.7YR,DG,276.3,0.075) 3284500500004 ENDBIB 2 0 3284500500005 NOCOMMON 0 0 3284500500006 DATA 2 1 3284500500007 DATA ERR-T 3284500500008 MB MB 3284500500009 1790. 152. 3284500500010 ENDDATA 3 0 3284500500011 ENDSUBENT 10 0 3284500599999 SUBENT 32845006 20230921 20240316 3284500600001 BIB 2 2 3284500600002 REACTION (56-BA-132(N,2N)56-BA-131,,SIG) 3284500600003 DECAY-DATA (56-BA-131-G,12.D,DG,496.2,0.42) 3284500600004 ENDBIB 2 0 3284500600005 NOCOMMON 0 0 3284500600006 DATA 2 1 3284500600007 DATA ERR-T 3284500600008 MB MB 3284500600009 1596. 136. 3284500600010 ENDDATA 3 0 3284500600011 ENDSUBENT 10 0 3284500699999 ENDENTRY 6 0 3284599999999