ENTRY 41750 20230131 421141750 0 1 SUBENT 41750001 20230131 421141750 1 1 BIB 14 64 41750 1 2 TITLE Inelastic scattering of 14.1 MeV neutrons on iron 41750 1 3 AUTHOR (N.A.Fedorov, D.N.Grozdanov, Yu.N.Kopatch, 41750 1 4 T.Yu.Tretyakova,I.N.Ruskov,V.R.Skoy,I.D.Dashkov, 41750 1 5 F.A.Aliyev,S.Dabylova,C.Hramco,A.Kumar,A.Gandhi,D.Wang,41750 1 6 E.P.Bogolyubov,D.I.Yurkov,V.M.Bystritsky,A.V.Gorelikov)41750 1 7 and TANGRA collaboration. 41750 1 8 Two last authors are from S,ISINN-26,,80,2019. 41750 1 9 REFERENCE (J,EPJ/A,57,194,2021) 41750 1 10 ((S,ISINN-26,80,2019)=(S,JINR-E3-2019-18,80,2019)) 41750 1 11 Preliminary publication. 41750 1 12 INSTITUTE (4ZZZDUB) N.A.Fedorov,Yu.N.Kopatch,V.M.Bystritsky, 41750 1 13 D.N.Grozdanov,F.A.Aliyev,V.R.Skoy,S.Dabylova,C.Hramco. 41750 1 14 (4RUSMOS) N.A.Fedorov,T.Yu.Tretyakova,A.V.Gorelikov 41750 1 15 (3BULBLA) D.N.Grozdanov,I.N.Ruskov. 41750 1 16 (4AZRAZR) Institute of Geology and Geophysics (IGG), 41750 1 17 Baku, Azerbaijan. 41750 1 18 F.A.Aliyev. 41750 1 19 (4KASATN) S.Dabylova 41750 1 20 (4MLDMLD) Institute of Chemistry, Academy of Science of41750 1 21 Moldova, Chisinau, Republic of Moldova. 41750 1 22 C.Hramco 41750 1 23 (3INDBHU) A.Kumar, A.Gandhi 41750 1 24 (3CPRCPR) Xi'an Jiao Tong University, Xi'an, China. 41750 1 25 D.Wang 41750 1 26 (4RUSRUS) All-Russia Research Institute of Automatics 41750 1 27 (VNIIA), Moscow, Russia. 41750 1 28 E.P.Bogolyubov, D.I.Yurkov 41750 1 29 FACILITY (NGEN,4ZZZDUB) ING-27 portable neutron generator. 41750 1 30 TANGRA setup. 41750 1 31 INC-SOURCE (D-T) Deuteron beam of 80-100 keV energy on 41750 1 32 tritium-enriched target. 41750 1 33 INC-SPECT Maximal intensity of neutron flux in 4PI-geometry 41750 1 34 5.E+7 n/sec. 41750 1 35 SAMPLE 4x4x14 cm3 Al-container filled with natural Fe powder 41750 1 36 of chemical purity 99 %, density 3.53 g/cm3. 41750 1 37 Fe-56 - 91.75 %, Fe-54 - 5.85 %, Fe-57 - 2.12 %. 41750 1 38 DETECTOR (SISD) 64-pixel (6x6 mm) alpha detector was located at 41750 1 39 ~10 cm distance from tritium target. 41750 1 40 (BGO) 18 BGO-scintillator gamma-detectors placed around41750 1 41 the sample with ~14 deg angle step on a circle of 41750 1 42 75 cm radius.. 41750 1 43 (PS) Position-sensitive silicon detector to measure 41750 1 44 the incident neutron beam. 41750 1 45 (HPGE) HPGe gamma spectrometer for high-resolution 41750 1 46 gamma-spectrum. 57.5 mm diameter, 66.6 mm thickness. 41750 1 47 Energy resolution 0.8% for 846.8 keV gamma and 0.6 % 41750 1 48 for 1238.3 keV gamma. 41750 1 49 METHOD (ASSOP) 14.1 MeV neutrons and 3.52 MeV alphas from 41750 1 50 d+t -> n+a reaction. 41750 1 51 (TOF) For background. For energy spectra. 41750 1 52 (COINC) Neutron - gamma. 41750 1 53 ANALYSIS Normalization to CS for 846.8 keV (2+1 -> 0+gs) 41750 1 54 transition for Fe-56. 41750 1 55 CORRECTION For background. For gamma absorption in the sample, 41750 1 56 for effective solid angles for each detector by 41750 1 57 Geant4 code . 41750 1 58 ADD-RES In Table 1 of S,ISINN-26,,80,2019 there are directly 41750 1 59 observed gamma-lines in n,inl and n,2n reactions with 41750 1 60 initial and final level for each transition. 41750 1 61 (COMP) TALYS-1.9 calculations. 41750 1 62 Table 1 of J,EPJ/A,57,194,2021 - optical model 41750 1 63 parameters. 41750 1 64 HISTORY (20220622C) M.M. 41750 1 65 (20230131A) Subent 004 was corrected. 41750 1 66 ENDBIB 64 0 41750 1 67 COMMON 1 3 41750 1 68 EN 41750 1 69 MEV 41750 1 70 14.1 41750 1 71 ENDCOMMON 3 0 41750 1 72 ENDSUBENT 71 0 41750 199999 SUBENT 41750002 20220622 420741750 2 1 BIB 6 27 41750 2 2 REACTION ((26-FE-56(N,X)0-G-0,,SPC)// 41750 2 3 (26-FE-56(N,X)0-G-0,,SPC)) 41750 2 4 EN-SEC (E,G) 41750 2 5 CORRECTION 846.86 keV gamma contribution from Fe-57(n,2n)Fe-56 wa41750 2 6 not subtracted. 41750 2 7 FLAG Line peaks can not be separated: 41750 2 8 (1.) 123.5(4) keV from Fe56(n,p)Mn56 and 41750 2 9 126.0(4) keV from Fe56(n,d)Mn55 . 41750 2 10 (2.) 212. keV from Fe56(n,p)Mn56 and 41750 2 11 212. keV from Fe54(n,p)Mn54 41750 2 12 (3.) 1238.53(4) keV from Fe56(n,inl)Fe56 and 41750 2 13 from Fe57(n,2n)Fe56 . 41750 2 14 (4.) 1304.0 keV from Fe56(n,inl)Fe56 and 41750 2 15 from Fe57(n,2n)Fe56. 41750 2 16 (5.) 1810.7 keV from Fe56(n,inl)Fe56 and 41750 2 17 from Fe57(n,2n)Fe56 . 41750 2 18 (6.) 1408.3 keV from Fe54(n,inl)Fe54 and 41750 2 19 from Fe56(n,2n)Fe55. 41750 2 20 (10.) Belongs to Fe56(n,p)Mn56 reaction 41750 2 21 (11.) Belongs to Fe56(n,2n)Fe55 reaction 41750 2 22 (12.) Belongs to Fe56(n,inl)Fe56 reaction 41750 2 23 (13.) Belongs to Fe56(n,alpha)Cr53 reaction 41750 2 24 ERR-ANALYS (E-DN-ERR) Statistical 41750 2 25 (E-NM-ERR) Statistical 41750 2 26 (DATA-ERR) Type of uncertainty is not explained in the 41750 2 27 article. 41750 2 28 STATUS (TABLE) Table 2 of J,EPJ/A,57,194,2021 41750 2 29 ENDBIB 27 0 41750 2 30 COMMON 2 3 41750 2 31 E-DN E-DN-ERR 41750 2 32 KEV KEV 41750 2 33 846.86 0.02 41750 2 34 ENDCOMMON 3 0 41750 2 35 DATA 5 18 41750 2 36 E-NM E-NM-ERR DATA DATA-ERR FLAG 41750 2 37 KEV KEV NO-DIM NO-DIM NO-DIM 41750 2 38 123.5 0.4 6. E-02 1. E-02 1. 41750 2 39 211.9 0.2 5.9 E-02 0.8 E-02 2. 41750 2 40 335.7 0.5 2.2 E-02 0.8 E-02 10. 41750 2 41 411.2 0.2 5.3 E-02 0.7 E-02 11. 41750 2 42 477.4 0.5 4.6 E-02 0.7 E-02 11. 41750 2 43 846.86 0.02 100.0 E-02 0.6 E-02 12. 41750 2 44 931.4 0.1 12.0 E-02 0.8 E-02 11. 41750 2 45 1038.1 0.2 8.2 E-02 0.8 E-02 12. 41750 2 46 1238.53 0.04 43.8 E-02 1.1 E-02 3. 41750 2 47 1289.7 0.5 1.7 E-02 0.5 E-02 13. 41750 2 48 1304.0 0.1 9.2 E-02 0.6 E-02 4. 41750 2 49 1316.0 0.1 5.6 E-02 0.5 E-02 11. 41750 2 50 1408.3 0.3 4.0 E-02 0.6 E-02 6. 41750 2 51 1670.6 0.2 4.5 E-02 0.5 E-02 12. 41750 2 52 1810.7 0.2 6.7 E-02 0.5 E-02 5. 41750 2 53 2114.2 0.6 2.5 E-02 0.7 E-02 12. 41750 2 54 2524.2 0.8 2.5 E-02 0.7 E-02 12. 41750 2 55 2600.3 0.5 3.4 E-02 0.5 E-02 12. 41750 2 56 ENDDATA 20 0 41750 2 57 ENDSUBENT 56 0 41750 299999 SUBENT 41750003 20220622 420741750 3 1 BIB 6 25 41750 3 2 REACTION (26-FE-56(N,INL)26-FE-56,PAR,DA,G,LEG/RS) 41750 3 3 EN-SEC (E,G) 41750 3 4 ANALYSIS Measured angular distribution W was fitted by formula 41750 3 5 W(angle)=A*(1+sum(ak*Pk(cos(angle)))), k=2,4. 41750 3 6 A - normalization coefficient, 41750 3 7 Pk - Legendre polynomials, 41750 3 8 ak - fitting coefficients ( DATA). 41750 3 9 Angular distributions (point-wise) used for fitting 41750 3 10 are on Fig.5 a(847 keV) and b (1238 keV). 41750 3 11 REL-REF (N,40575001,A.P.Degtyarev+,C,77KIEV,2,3,1977) 41750 3 12 a2=0.21(5), a4=0.07(3) for 846.8 keV gamma, 41750 3 13 a2=0.32(8), a4=0.16(8) for 1238.3 keV gamma. 41750 3 14 (N,20493022,U.Abbondanno+,J,JNE,27,227,1973) 41750 3 15 a2=0.36, a4=-0.38 for 846.8 keV gamma, 41750 3 16 A2=0.37, A4=-0.23 for 1238.3 keV gamma. 41750 3 17 (N,20474001,J.Lachkar+,J,NSE,55,168,1974) 41750 3 18 a2=0.09, a4=-0.1 for 846.8 keV gamma, 41750 3 19 a2=0.14, a4=-0.1 for 1238.3 keV gamma. 41750 3 20 Three data sets used for comparison after 41750 3 21 re-normalization to the same form. 41750 3 22 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 41750 3 23 article. 41750 3 24 STATUS (TABLE) Table 4 of J,EPJ/A,57,194,2021 41750 3 25 Table 2 of S,ISINN-26,,80,2019 - preliminary data. 41750 3 26 (DEP,41750004) Measured angular distributions. 41750 3 27 ENDBIB 25 0 41750 3 28 NOCOMMON 0 0 41750 3 29 DATA 4 4 41750 3 30 E NUMBER DATA DATA-ERR 41750 3 31 KEV NO-DIM NO-DIM NO-DIM 41750 3 32 846.8 2. 0.13 0.02 41750 3 33 846.8 4. 0.02 0.02 41750 3 34 1238.3 2. 0.24 0.04 41750 3 35 1238.3 4. 0.16 0.08 41750 3 36 ENDDATA 6 0 41750 3 37 ENDSUBENT 36 0 41750 399999 SUBENT 41750004 20230131 421141750 4 1 BIB 5 18 41750 4 2 REACTION (26-FE-56(N,INL)26-FE-56,PAR,DA,G,FCT) 41750 4 3 See formula (5) in J,EPJ/A,57,194,2021 - 41750 4 4 W(ANG) = (dSIG/dANG)/(SIG/(4*PI)), 41750 4 5 REL-REF (N,40575004,A.P.Degtyarev+,C,77KIEV,2,3,1977) 41750 4 6 (N,20493021,U.Abbondanno+,J,JNE,27,227,1973) 41750 4 7 (N,20474006,J.Lachkar+,J,NSE,55,168,1974) 41750 4 8 Three data sets used for comparison after 41750 4 9 re-normalization to the same form. 41750 4 10 ERR-ANALYS .Quantization errors ( 1/2 pixel): 41750 4 11 scale X - 0.19 deg, scale Y - 0.0022 . 41750 4 12 (DATA-ERR) Type of uncertainty is not explained in the 41750 4 13 article. 41750 4 14 STATUS (CURVE) Fig.10a,b of J,EPJ/A,57,194,2021,black circles.41750 4 15 Also data are on Fig.5 a,b of S,ISINN-26,,80,2019. 41750 4 16 HISTORY (20220622C) Request of data was sent to corresponding 41750 4 17 author N.Fedorov 22 June 2022. 41750 4 18 (20230131A) Digitized data were added. 41750 4 19 REL -> FCT, UNOBT -> CURVE. 41750 4 20 ENDBIB 18 0 41750 4 21 COMMON 2 3 41750 4 22 ANG-ERR-D ERR-DIG 41750 4 23 ADEG NO-DIM 41750 4 24 0.17 0.0016 41750 4 25 ENDCOMMON 3 0 41750 4 26 DATA 4 36 41750 4 27 E ANG-CM DATA-CM DATA-ERR 41750 4 28 KEV ADEG NO-DIM NO-DIM 41750 4 29 847. 16.49 1.1010 0.0390 41750 4 30 847. 19.49 1.1054 0.0390 41750 4 31 847. 28.12 1.1573 0.0346 41750 4 32 847. 31.87 1.0664 0.0303 41750 4 33 847. 41.24 1.0491 0.0346 41750 4 34 847. 44.62 1.0102 0.0303 41750 4 35 847. 54.74 1.0405 0.0303 41750 4 36 847. 58.50 0.8890 0.0260 41750 4 37 847. 68.62 0.9842 0.0216 41750 4 38 847. 72.00 0.9236 0.0303 41750 4 39 847. 82.50 0.9540 0.0216 41750 4 40 847. 85.87 0.9366 0.0303 41750 4 41 847. 96.37 0.9756 0.0260 41750 4 42 847. 99.37 0.9540 0.0260 41750 4 43 847. 110.24 0.9930 0.0260 41750 4 44 847. 113.25 0.8977 0.0260 41750 4 45 847. 123.74 1.0666 0.0303 41750 4 46 847. 126.74 0.9973 0.0303 41750 4 47 1238. 16.32 1.2569 0.0736 41750 4 48 1238. 19.33 1.2179 0.0649 41750 4 49 1238. 28.35 1.2526 0.0649 41750 4 50 1238. 31.73 1.1054 0.0736 41750 4 51 1238. 41.50 1.2136 0.0736 41750 4 52 1238. 45.25 1.0881 0.0606 41750 4 53 1238. 55.02 0.8500 0.0606 41750 4 54 1238. 58.41 0.7461 0.0519 41750 4 55 1238. 68.55 0.9583 0.0649 41750 4 56 1238. 71.93 0.8024 0.0476 41750 4 57 1238. 82.44 1.1141 0.1169 41750 4 58 1238. 85.83 0.9237 0.0476 41750 4 59 1238. 96.35 0.9886 0.0606 41750 4 60 1238. 99.35 0.9756 0.0390 41750 4 61 1238. 110.24 1.0536 0.0693 41750 4 62 1238. 113.25 0.9064 0.0606 41750 4 63 1238. 124.14 1.0363 0.0519 41750 4 64 1238. 127.15 0.8848 0.0563 41750 4 65 ENDDATA 38 0 41750 4 66 ENDSUBENT 65 0 41750 499999 ENDENTRY 4 0 4175099999999