ENTRY 32602 20240216 3260200000001 SUBENT 32602001 20240216 20240513 3260200100001 BIB 13 35 3260200100002 TITLE The small angle scattering cross sections of 14.8 MeV 3260200100003 neutrons from 27Al and 16O 3260200100004 AUTHOR (Qi Huiquan, Chen Quojie, Chen Yingtan, Chen Qiankun, 3260200100005 Chen Zhenpeng, Chen Zemin) 3260200100006 INSTITUTE (3CPRTSI) 3260200100007 REFERENCE (J,CNP,14,15,1992) 3260200100008 (R,INDC(CPR)-030,1,1993) Same 27Al data in table 3260200100009 (C,91BEIJIN,,13,1991) 3260200100010 (R,CNIC-412,5,1990) 3260200100011 FACILITY (CCW,3CPRTSI) 3260200100012 INC-SOURCE (D-T) 3260200100013 METHOD (TOF,ASSOP) 3260200100014 DETECTOR (SCIN) Position sensitive neutron detector consisting 3260200100015 of a long cylindrical liquid scintillator of 55 cm in 3260200100016 length and 3.8 cm in diameter and two 3260200100017 photomultipliers at both ends of the scintillator 3260200100018 MONITOR Absolute 3260200100019 CORRECTION Corrected for 3260200100020 . neutron fluence attenuation, 3260200100021 . multiple scattering, 3260200100022 . finite geometry 3260200100023 ERR-ANALYS (ERR-T) Main error sources were as follows: 3260200100024 . statistical error 4% for 27Al and 11% for 16O 3260200100025 (ERR-1,,4.) non-uniform distribution of neutron beam 3260200100026 and uncertainty of matching between its centre and 3260200100027 middle point of liquid scintillator (<4%) 3260200100028 (ERR-2) neutrons scattered by collimator (~3%) 3260200100029 (ERR-3,,3.) Monte Carlo correction and for dead time 3260200100030 correction of alpha particle counting and the 3260200100031 number of nuclei in sample (<3%) 3260200100032 STATUS (TABLE,,Qi Huiquan+,J,CNP,14,15,1992) Table 2 3260200100033 HISTORY (19930105C) Compiled by Liang Qichang (CNDC) 3260200100034 (19931125U) HW.- REFERENCE added.- 3260200100035 (20230216A) On. ERR-ANALYS updated. 3260200100036 (20240216U) On. REFERENCE(CNP): Issue number deleted. 3260200100037 ENDBIB 35 0 3260200100038 COMMON 2 3 3260200100039 EN ERR-2 3260200100040 MEV PER-CENT 3260200100041 14.8 3. 3260200100042 ENDCOMMON 3 0 3260200100043 ENDSUBENT 42 0 3260200199999 SUBENT 32602002 20240216 20240513 3260200200001 BIB 3 4 3260200200002 REACTION (13-AL-27(N,EL)13-AL-27,,DA) 3260200200003 SAMPLE Metal Al disk (Purity 99.5%) 4 cm in diameter, 3.0 cm 3260200200004 in thickness, 2.7 g/cm3 3260200200005 HISTORY (20230216A) On. ERR-T added. 3260200200006 ENDBIB 4 0 3260200200007 NOCOMMON 0 0 3260200200008 DATA 3 5 3260200200009 ANG DATA ERR-T 3260200200010 ADEG B/SR B/SR 3260200200011 2.6 1.38 0.10 3260200200012 3.4 1.36 0.10 3260200200013 4.9 1.36 0.10 3260200200014 6.6 1.31 0.10 3260200200015 8.6 1.20 0.10 3260200200016 ENDDATA 7 0 3260200200017 ENDSUBENT 16 0 3260200299999 SUBENT 32602003 20240216 20240513 3260200300001 BIB 2 3 3260200300002 REACTION (8-O-16(N,EL)8-O-16,,DA) 3260200300003 SAMPLE Al2O3 powder (purity 99.5%) pressed in to disk, 4 cm 3260200300004 in diameter, 4.4 cm in thickness, 1.18 g/cm3 3260200300005 ENDBIB 3 0 3260200300006 NOCOMMON 0 0 3260200300007 DATA 3 5 3260200300008 ANG DATA ERR-T 3260200300009 ADEG B/SR B/SR 3260200300010 2.6 1.19 0.15 3260200300011 3.4 1.25 0.16 3260200300012 4.9 1.07 0.13 3260200300013 6.6 1.02 0.13 3260200300014 8.6 1.06 0.14 3260200300015 ENDDATA 7 0 3260200300016 ENDSUBENT 15 0 3260200399999 ENDENTRY 3 0 3260299999999