ENTRY 32875 20251203 3287500000001 SUBENT 32875001 20251203 20260228 3287500100001 BIB 16 53 3287500100002 TITLE Measurement of 78Kr(n,2n)77Kr reaction cross section 3287500100003 induced by 14.8 MeV neutron 3287500100004 AUTHOR (Liang Jianfeng, Xie Feng, Ruan Xichao, Bao Jie, 3287500100005 Chen Xiongjun, Shi Quanlin, Li Xuesong, Yu Gongshuo, 3287500100006 Kang Tai) 3287500100007 INSTITUTE (3CPRNIX,3CPRAEP) 3287500100008 REFERENCE (J,CST,56,835,2022) 3287500100009 #doi:10.7538/yzk.2021.youxian.1030 3287500100010 FACILITY (CCW,3CPRAEP) 3287500100011 INC-SOURCE (D-T) Quasi monoenergetic neutron beams with a yield 3287500100012 of about 3E10 n/s were produced via the T(d,n)4He 3287500100013 reaction. The ion beam current was about 250 uA, and 3287500100014 the average energy of D+ particles was about 300 keV. 3287500100015 SAMPLE (36-KR-78,NAT=0.995) 3287500100016 +-----------------------------------------------------+3287500100017 No. Box mass Box with 78Kr Mass of 78Kr Err 3287500100018 g g mg % 3287500100019 -------------------------------------------------------3287500100020 1# 3.60660 3.61364 7.04 1.4 3287500100021 2# 3.54253 3.55011 7.58 1.3 3287500100022 3# 3.54984 3.55833 8.49 1.2 3287500100023 +-----------------------------------------------------+3287500100024 METHOD (ACTIV) Irradiating the sample target more than 4 3287500100025 hours. 3287500100026 DETECTOR (SIBAR) The neutron fluence was determined by 3287500100027 associated alpha-particle counting with a Au-Si 3287500100028 surface barrier detector 3287500100029 (HPGE) A coaxial High Purity Germanium Detector, the 3287500100030 relative efficiency was 60%, the resolution was 3287500100031 1.8 keV for 1332 keV gamma-ray. 3287500100032 MONITOR (41-NB-93(N,2N)41-NB-92-M,,SIG) 3287500100033 MONIT-REF (,M.Wagner+,B,PH-DAT,13-5,,1990) 3287500100034 DECAY-MON (41-NB-92-M,10.15D,DG,934.5,0.9915) 3287500100035 CORRECTION Neutron fluence rate fluctuation correction factors 3287500100036 for 77Kr and 92Nbm were 1.026 and 1.003. Neutron 3287500100037 fluence rate correction factor was 0.997. Activity 3287500100038 measurement correction factors for 77Kr and 92Nbm 3287500100039 were 0.970 and 0.998. 3287500100040 ERR-ANALYS (ERR-T) Total uncertainty was 4.1% 3287500100041 (ERR-S) Peak counting for 77Kr 3287500100042 (ERR-1) Detection efficiency of 77Kr 3287500100043 (ERR-2) Detection efficiency of 92Nbm 3287500100044 (ERR-3) Gamma-ray emission probability of 77Kr 3287500100045 (ERR-4) Gamma-ray emission probability of 92Nbm 3287500100046 (ERR-5) Half-life of 77Kr 3287500100047 (ERR-6) Half-life of 92Nbm 3287500100048 (ERR-7) Number of 77Kr 3287500100049 (ERR-8) Number of 92Nbm 3287500100050 (ERR-9) Neutron fluence 3287500100051 (ERR-10) Peak counting for 92Nbm 3287500100052 (MONIT-ERR) Standard cross section 3287500100053 STATUS (TABLE,,Liang Jianfeng+,J,CST,56,835,2022) Table 3 3287500100054 HISTORY (20251203C) Compiled by Xi Tao (CNDC) 3287500100055 ENDBIB 53 0 3287500100056 COMMON 11 6 3287500100057 ERR-S ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 3287500100058 ERR-6 ERR-7 ERR-8 ERR-9 ERR-10 3287500100059 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3287500100060 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3287500100061 1.0 2.0 1.0 2.5 0.04 0.63287500100062 0.2 1.5 0.1 0.5 0.5 3287500100063 ENDCOMMON 6 0 3287500100064 ENDSUBENT 63 0 3287500199999 SUBENT 32875002 20251203 20260228 3287500200001 BIB 3 5 3287500200002 REACTION (36-KR-78(N,2N)36-KR-77,,SIG) 3287500200003 DECAY-DATA (36-KR-77,71.17MIN,DG,129.6,0.81) 3287500200004 FLAG (1.) Sample 1# 3287500200005 (2.) Sample 2# 3287500200006 (3.) Sample 3# 3287500200007 ENDBIB 5 0 3287500200008 NOCOMMON 0 0 3287500200009 DATA 7 3 3287500200010 EN EN-RSL-HW DATA ERR-T FLAG MONIT 3287500200011 MONIT-ERR 3287500200012 MEV MEV B MB NO-DIM MB 3287500200013 MB 3287500200014 14.8 0.2 461. 19. 1. 459.73287500200015 5.0 3287500200016 14.8 0.2 463. 19. 2. 459.73287500200017 5.0 3287500200018 14.8 0.2 469. 19. 3. 459.73287500200019 5.0 3287500200020 ENDDATA 10 0 3287500200021 ENDSUBENT 20 0 3287500299999 SUBENT 32875003 20251203 20260228 3287500300001 BIB 2 2 3287500300002 REACTION (36-KR-78(N,2N)36-KR-77,,SIG,,AV) 3287500300003 STATUS (DEP,32875002) Measured cross sections for 3 samples 3287500300004 ENDBIB 2 0 3287500300005 NOCOMMON 0 0 3287500300006 DATA 6 1 3287500300007 EN EN-RSL-HW DATA ERR-T MONIT MONIT-ERR 3287500300008 MEV MEV MB MB MB MB 3287500300009 14.8 0.2 464. 19. 459.7 5.03287500300010 ENDDATA 3 0 3287500300011 ENDSUBENT 10 0 3287500399999 ENDENTRY 3 0 3287599999999