ENTRY 32603 20220826 32083260300000001 SUBENT 32603001 20220826 32083260300100001 BIB 13 39 3260300100002 TITLE Small angle scattering cross section of 12 MeV neutron 3260300100003 from 238U and Fe 3260300100004 AUTHOR (Qi Huiquan, Chen Qiankun, Chen Yingtang, Chen Hongbin,3260300100005 Chen Zhenpeng, Deng Jingkang, Chen Zemin, 3260300100006 Tang Hongqing, Qi Bujia) 3260300100007 INSTITUTE (3CPRTSI,3CPRAEP) 3260300100008 REFERENCE (J,CNP,13,(4),343,199111) 3260300100009 (C,91BEIJIN,,13,199109) only exp. details 3260300100010 FACILITY (VDGT,3CPRAEP) HI-13 tandem accelerator 3260300100011 INC-SOURCE (D-D) Deuterium gas target, 6.08 x 10**5 Pa, 1 cm in 3260300100012 diameter, 2 cm in length. 3260300100013 Pulsed deuteron beam was 2 ns in width, 4 MHz in 3260300100014 repeating frequency. 3260300100015 DETECTOR (SCIN) Position sensitive neutron detector consisting 3260300100016 of a long cylindric liquid scintillator of 100 cm in 3260300100017 length, 5.3 cm in inner diameter and two photomulti- 3260300100018 plier at both ends of the scintillator. 3260300100019 METHOD (TOF) 3260300100020 MONITOR Absolute 3260300100021 CORRECTION Corrections were calculated by Monte-Carlo method for: 3260300100022 - neutron fluence attenuation; 3260300100023 - multiple scattering; 3260300100024 - finite geometry 3260300100025 ERR-ANALYS (ERR-T) Total error is 5-6% for various angles, 3260300100026 of which, 3260300100027 (ERR-S,2.,3.) the statistical error 2-3% 3260300100028 others come from: 3260300100029 - uncertainty of the center of collimated neutron 3260300100030 beam; 3260300100031 - the blurring of sample edge hit by collimated 3260300100032 neutron beam; and 3260300100033 - Monte-Carlo correction, 3260300100034 etc. 3260300100035 STATUS (TABLE) Table 1 and 2 of Chin.J.Nucl.Phys.13(1991)343 3260300100036 HISTORY (19930110C) Compiled by Liang Qichang (CNDC) 3260300100037 (20100907A) SD:Updated to new date formats,lower case. 3260300100038 Author's name corrected: Qi Huquan => Qi Huiquan 3260300100039 (20110214U) On. DETECTOR: PS -> SCIN 3260300100040 (20220826A) VT. Revision in 002. 3260300100041 ENDBIB 39 0 3260300100042 NOCOMMON 0 0 3260300100043 ENDSUBENT 42 0 3260300199999 SUBENT 32603002 20220826 32083260300200001 BIB 5 8 3260300200002 REACTION (92-U-238(N,EL)92-U-238,EXL,DA) tbl.1,2 3260300200003 SAMPLE Metallic depleted uranium, 6 cm in diameter, 0.8 cm in 3260300200004 thickness 3260300200005 CRITIQUE Comment by S.Simakov: possible inclusion of inelastic 3260300200006 scattering below Ex ~> 0.1 MeV. 3260300200007 REL-REF (C,,S.Simakov+,S,INDC(NDS)-0857,91,2022) 3260300200008 HISTORY (20220804A) VT. REACTION: SF5->EXL, CRITIQUE, REL-REF 3260300200009 added. 3260300200010 ENDBIB 8 0 3260300200011 NOCOMMON 0 0 3260300200012 DATA 4 13 3260300200013 EN ANG DATA ERR-T 3260300200014 MEV ADEG B/SR B/SR 3260300200015 12. 2.3 11.3 0.6 3260300200016 12. 2.75 11.1 0.7 3260300200017 12. 3.5 10.7 0.5 3260300200018 12. 5. 9.7 0.5 3260300200019 12. 6.5 8.5 0.4 3260300200020 12. 8. 8.4 0.4 3260300200021 12. 10. 7.7 0.4 3260300200022 14. 2.3 15. 0.8 3260300200023 14. 3.5 12.6 0.8 3260300200024 14. 5. 12.8 0.6 3260300200025 14. 6.5 10.5 0.5 3260300200026 14. 8. 9.8 0.5 3260300200027 14. 10. 7.7 0.4 3260300200028 ENDDATA 15 0 3260300200029 ENDSUBENT 28 0 3260300299999 SUBENT 32603003 20100907 31473260300300001 BIB 2 3 3260300300002 REACTION (26-FE-0(N,EL)26-FE-0,,DA) tbl.2 3260300300003 SAMPLE Natural iron sample, 5 cm in diameter, 2 cm in thick- 3260300300004 ness. 3260300300005 ENDBIB 3 0 3260300300006 COMMON 1 3 3260300300007 EN 3260300300008 MEV 3260300300009 12. 3260300300010 ENDCOMMON 3 0 3260300300011 DATA 3 6 3260300300012 ANG DATA ERR-T 3260300300013 ADEG B/SR B/SR 3260300300014 2.75 2.82 0.14 3260300300015 3.5 2.79 0.17 3260300300016 5.0 2.56 0.13 3260300300017 6.5 2.46 0.12 3260300300018 8.0 2.58 0.13 3260300300019 10.0 2.21 0.11 3260300300020 ENDDATA 8 0 3260300300021 ENDSUBENT 20 0 3260300399999 ENDENTRY 3 0 3260399999999