ENTRY 40732 20200720 41884073200000001 SUBENT 40732001 20200720 41884073200100001 BIB 13 37 4073200100002 TITLE .Measurement of inelastic neutron spectra on Fe nuclei 4073200100003 and analysis of the hard part of neutron emission 4073200100004 spectrum for 14.3-MeV energy of incident neutrons 4073200100005 AUTHOR (A.A.Lychagin,V.P.Lunev,O.A.Sal'nikov,V.A.Vinogradov, 4073200100006 B.V.Devkin,S.E.Sukhikh) 4073200100007 INSTITUTE (4RUSFEI) 4073200100008 REFERENCE (R,FEI-923,1979) 4073200100009 INC-SOURCE (D-T) 4073200100010 METHOD (TOF) Flight base 3m 4073200100011 FACILITY (CCW,4RUSFEI) Accelerator KG-0.3 4073200100012 SAMPLE Cylinder of 45mm outer diameter, 25 mm inner diameter,4073200100013 50 mm long. Placed at 170 mm distance from neutron 4073200100014 source. 4073200100015 DETECTOR (SOLST) Stilbene crystal of 70 mm diameter, 50 mm long,4073200100016 with FEU-30 photomultiplier as scattered neutron 4073200100017 detector. 4073200100018 .Stilbene crystal of 45 mm diameter, 25 mm long, with 4073200100019 FEU-30 photomultiplier as incident neutron monitor. 4073200100020 MONITOR (6-C-12(N,INL)6-C-12,PAR,DA) 4073200100021 Differential CS for first excited level - for absolute 4073200100022 normalization. Coefficient (1.24+-0.1)*10**-4 4073200100023 (1-H-1(N,EL)1-H-1,,SIG) 4073200100024 Coefficient (1.32+-0.12)*10**-4 4073200100025 CORRECTION For attenuation and multiple scattering. 4073200100026 STATUS (PRELM) Classified as preliminary by author(Lychagin) 4073200100027 HISTORY (19840618C) Compiled at the CJD 4073200100028 (19870220U) REACTION SF4,SF5 in SAN 002 corrected. 4073200100029 EN-SEC keyword in SAN 001 deleted and quanti-4073200100030 ty in SAN 004 explained. 4073200100031 (19920702A) SAN 004 deleted because value given there 4073200100032 is theoretical parameter and not experimental4073200100033 value 4073200100034 (20200315A) VDG -> CCW in FACILITY. 4073200100035 Upper -> lower case correction. 4073200100036 Dates were corrected for 4-digits year. 4073200100037 ERR-ANALYS was added in Subent 002. 4073200100038 (20200720A) Subent 002 was corrected. 4073200100039 ENDBIB 37 0 4073200100040 COMMON 2 3 4073200100041 EN EN-RSL-HW 4073200100042 MEV MEV 4073200100043 14.3 .2 4073200100044 ENDCOMMON 3 0 4073200100045 ENDSUBENT 44 0 4073200199999 SUBENT 40732002 20200315 41864073200200001 BIB 5 24 4073200200002 REACTION (26-FE-0(N,INL)26-FE-0,PAR,DA) 4073200200003 ANALYSIS Spectra were transformed from lab.system in C.M.S., 4073200200004 relation between angles is given in Table 1. Finally, 4073200200005 angles in C.M.S was taken as angles values in 4073200200006 lab.system, uncertainty due to this transformation was 4073200200007 introduced in data error. 4073200200008 ERR-ANALYS (DATA-ERR) relative error includes (see fromula on p.6 4073200200009 of FEI-923 for calculation): 4073200200010 - Statistical uncertainty of time spectra measurement, 4073200200011 - Uncertainty of time-of-flight (+-1 channel, 4073200200012 TAU=1.034 nsec) = TAU/t, 4073200200013 (ERR-1) Uncertainty due to channel width definition, 4073200200014 (ERR-2) Uncertainty due to differential no-linearity, 4073200200015 average for energy range, 4073200200016 (ERR-3,,1.) Uncertainty due to time-of-flight 4073200200017 determination, 4073200200018 (ERR-4) Uncertainty of detection efficiency, 4073200200019 (ERR-5) Uncertainty of monitoring, 4073200200020 (ERR-6) Uncertainty due to correction for attenuation 4073200200021 and multiple scattering, 4073200200022 (ERR-7,,0.3) Uncertainty due to transformation in 4073200200023 C.M.S. 4073200200024 STATUS (TABLE) Table 3 of rep.FEI-923,1979 4073200200025 HISTORY (20200315A) DATA -> DATA-CM 4073200200026 ENDBIB 24 0 4073200200027 COMMON 6 3 4073200200028 ANG-RSL-HW ERR-1 ERR-2 ERR-4 ERR-5 ERR-6 4073200200029 ADEG PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4073200200030 1. 1. 1. 4. 2.1 4. 4073200200031 ENDCOMMON 3 0 4073200200032 DATA 5 36 4073200200033 ANG E-MIN E-MAX DATA-CM DATA-ERR 4073200200034 ADEG MEV MEV MB/SR MB/SR 4073200200035 45. 1.5 2.5 29.5 1. 4073200200036 45. 2.5 3.5 19.2 .7 4073200200037 45. 3.5 4.5 13.1 .5 4073200200038 45. 4.5 6.5 16.3 .5 4073200200039 45. 6.5 8.5 9.3 .4 4073200200040 45. 8.5 10.5 6.8 .4 4073200200041 60. 1.5 2.5 28.7 .9 4073200200042 60. 2.5 3.5 17.4 .6 4073200200043 60. 3.5 4.5 12.5 .5 4073200200044 60. 4.5 6.5 14.4 .5 4073200200045 60. 6.5 8.5 7.8 .4 4073200200046 60. 8.5 10.5 6.7 .4 4073200200047 75. 1.5 2.5 29.4 1.0 4073200200048 75. 2.5 3.5 17.5 .6 4073200200049 75. 3.5 4.5 11.6 .4 4073200200050 75. 4.5 6.5 13.8 .5 4073200200051 75. 6.5 8.5 7.5 .4 4073200200052 75. 8.5 10.5 6.0 .4 4073200200053 90. 1.5 2.5 28.9 .9 4073200200054 90. 2.5 3.5 17.2 .6 4073200200055 90. 3.5 4.5 11.9 .5 4073200200056 90. 4.5 6.5 12.8 .5 4073200200057 90. 6.5 8.5 6.8 .3 4073200200058 90. 8.5 10.5 4.8 .3 4073200200059 120. 1.5 2.5 28.9 .9 4073200200060 120. 2.5 3.5 17.1 .6 4073200200061 120. 3.5 4.5 11.1 .4 4073200200062 120. 4.5 6.5 13.0 .5 4073200200063 120. 6.5 8.5 6.4 .3 4073200200064 120. 8.5 10.5 3.9 .2 4073200200065 150. 1.5 2.5 29.9 1.0 4073200200066 150. 2.5 3.5 17.4 .6 4073200200067 150. 3.5 4.5 11.2 .4 4073200200068 150. 4.5 6.5 12.5 .5 4073200200069 150. 6.5 8.5 6.1 .3 4073200200070 150. 8.5 10.5 3.1 .2 4073200200071 ENDDATA 38 0 4073200200072 ENDSUBENT 71 0 4073200299999 SUBENT 40732003 20200720 41884073200300001 BIB 6 12 4073200300002 REACTION (26-FE-0(N,X)0-NN-1,EM,SIG) 4073200300003 ANALYSIS CS was calculated by integral spectrum. 4073200300004 REL-REF (A,40133001,V.B.Anufrienko+,J,SNP,2,589,1966) 4073200300005 (A,40744001,O.A.Salnikov+,R,INDC-260,16,1969) 4073200300006 (A,40037123,O.A.Salnikov+,J,SNP,12,620,197106) 4073200300007 ERR-ANALYS (DATA-ERR) Total error. 4073200300008 STATUS (TABLE) Text page 9 of rep.FEI-923,1979 4073200300009 (DEP,40732002) Spectrum 4073200300010 HISTORY (20200315A) Reaction was corrected: 4073200300011 SIG(n,n')+2*SIG(n,2n) -> (n,x) neutron emission. 4073200300012 (20200720A) FE-56 -> FE-0 in SF1 ( data are 4073200300013 compared with Fe-0 data, see REL-REFs). 4073200300014 ENDBIB 12 0 4073200300015 NOCOMMON 0 0 4073200300016 DATA 2 1 4073200300017 DATA DATA-ERR 4073200300018 B B 4073200300019 1.66 0.09 4073200300020 ENDDATA 3 0 4073200300021 ENDSUBENT 20 0 4073200399999 NOSUBENT 40732004 20200315 41864073200400001 ENDENTRY 4 0 4073299999999