ENTRY 40186 20150109 417240186 0 1 SUBENT 40186001 20150109 417240186 1 1 BIB 17 58 40186 1 2 INSTITUTE (4RUSFEI) 40186 1 3 REFERENCE (J,SNP,13,129,1971) Eng.transl.of YF,13,(2),233,1971 40186 1 4 (J,YF,13,(2),233,1971) 40186 1 5 Data, some graphs and schemes of levels are given 40186 1 6 (J,YF,13,(1),3,1971) Graph of gamma spectra for 40186 1 7 thermal and 2 keV incident neutrons. 40186 1 8 (J,SNP,13,1,1971) Engl.translation of YF,13,(1),3,1971 40186 1 9 AUTHOR (D.L.Broder,A.F.Gamalii,B.V.Zemtsev,B.V.Nesterov, 40186 1 10 L.P.Kham'yanov) 40186 1 11 TITLE Gamma radiation the capture of thermal neutrons 40186 1 12 by Cr isotopes 40186 1 13 FACILITY (REAC,4RUSFEI) Reactor 40186 1 14 INC-SOURCE (REAC) Horizontal channel of the reactor 40186 1 15 METHOD Direct detection of gammas 40186 1 16 DETECTOR (GELI) The coaxial germanium-lithium detector with the 40186 1 17 sensible volume 12 cm**3 . 40186 1 18 The resolution of the spectrometer was 15 keV at 10 MeV40186 1 19 and 4 keV at 0.5 MeV 40186 1 20 PART-DET (G) Gammas 40186 1 21 ANALYSIS Area analysis 40186 1 22 MONITOR For checking of the system's linearity, 20 lines of 40186 1 23 Co-56 with energies from 733.77 keV to 3548.11 keV and 40186 1 24 26 gamma-lines of Ga-66 from 833.6keV to 4805.3keV were40186 1 25 used.The relative efficiency of the detector was 40186 1 26 determined by means of standard sources Zn-65, Co-56, 40186 1 27 Na-22, Mn-56,Co-60 and Ga-66. 40186 1 28 Absolute normalization of gamma line intensities was 40186 1 29 made by Cr-53 8884 keV gamma-line yield, using data 40186 1 30 from G.A.Bartholomew et al. Canad.J.Phys,44,2111,1964,40186 1 31 A.N.Rudak et al. J.YE,1,235,1965 and A.V.Rudak et al. 40186 1 32 J,YF,5,504,1967 40186 1 33 (24-CR-53(N,G)24-CR-54,,SPC) 40186 1 34 MONIT-REF (,G.A.Bartholomew+,J,CJP,44,2111,1966) 40186 1 35 (,A.N.Rudak+,J,YF,1,235,1965) 40186 1 36 (,A.N.Rudak+,J,YF,5,504,1967) 40186 1 37 CORRECTION Correction for background and for change of dead time 40186 1 38 of the analyzer was taken into account 40186 1 39 ERR-ANALYS (E-ERR) The energy errors were +-5 keV. They were 40186 1 40 conditioned by the differential non-linearity of the 40186 1 41 analyzer 40186 1 42 ADD-RES Schemes of Cr-51,-53,-55 levels are given on Fig.2. 40186 1 43 STATUS (TABLE) Table II of YF,13,(2),233,1971 40186 1 44 HISTORY (19731123C) Compiled at the centre 40186 1 45 (19750210U) Corrections in subentry 001 and 004 made40186 1 46 (20010307A) Updated to new date formats. Institute 40186 1 47 updated. 40186 1 48 (20150109A) SD: Updated to new date formats,lower case.40186 1 49 Ref. on Engl.transl. of YF added. Author's name 40186 1 50 corrected (L.P.KHAM JANOV -> L.P.Kham'yanov). DATA 40186 1 51 units were changed in Subents 2-4 (GAM/100N -> PC/INC)40186 1 52 (20151105A) M.M. Article was checked, BIB information 40186 1 53 was updated in TITLE,STATUS,MONITOR,SAMPLE. 40186 1 54 Data units were corrected : PC/INC -> PC/REAC according40186 1 55 to explanation in the article- "yield per 100 neutron 40186 1 56 captures". 40186 1 57 E-NRM and MONIT, ADD-RES were added. 40186 1 58 Ref. YF,13,(1),3,1971 and it's Engl.translation were 40186 1 59 added. 40186 1 60 ENDBIB 58 0 40186 1 61 COMMON 4 3 40186 1 62 EN-DUMMY E-ERR E-NRM MONIT 40186 1 63 EV KEV KEV PC/REAC 40186 1 64 2.5300E-02 5. 884. 44. 40186 1 65 ENDCOMMON 3 0 40186 1 66 ENDSUBENT 65 0 40186 199999 SUBENT 40186002 20150109 417240186 2 1 BIB 3 10 40186 2 2 REACTION (24-CR-53(N,G)24-CR-54,,SPC) 40186 2 3 Capture gamma spectrum 40186 2 4 SAMPLE (24-CR-53,ENR=0.928) Metallic powder. 40186 2 5 Cr-50 Cr-52 Cr-53 Cr-54 40186 2 6 Isotopic composition: 40186 2 7 0.2% 6.2% 92.8% 0.8% 40186 2 8 Contribution to capture : 40186 2 9 0.2% 0.26% 99.54% 0.% 40186 2 10 HISTORY (20010307A) Lines with blank data fields deleted. 40186 2 11 Flag deleted. 40186 2 12 ENDBIB 10 0 40186 2 13 NOCOMMON 0 0 40186 2 14 DATA 2 19 40186 2 15 E DATA 40186 2 16 KEV PC/REAC 40186 2 17 8.3500E+02 7.3000E+01 40186 2 18 1.0050E+03 1.0000E+00 40186 2 19 1.1000E+03 1.9000E+00 40186 2 20 1.7830E+03 8.4000E+00 40186 2 21 2.2390E+03 7.8000E+00 40186 2 22 2.6030E+03 1.0000E+00 40186 2 23 3.7200E+03 3.3000E+00 40186 2 24 4.8460E+03 1.2000E+00 40186 2 25 4.8730E+03 5.0000E-01 40186 2 26 5.7060E+03 9.0000E-01 40186 2 27 5.8600E+03 1.0000E+00 40186 2 28 5.9970E+03 3.4000E+00 40186 2 29 6.2870E+03 1.3000E+00 40186 2 30 6.3220E+03 1.0000E+00 40186 2 31 6.6420E+03 7.1000E+00 40186 2 32 6.8860E+03 1.6000E+00 40186 2 33 7.1010E+03 5.9000E+00 40186 2 34 8.8840E+03 4.4000E+01 40186 2 35 9.7170E+03 2.2000E+01 40186 2 36 ENDDATA 21 0 40186 2 37 ENDSUBENT 36 0 40186 299999 SUBENT 40186003 20150109 417240186 3 1 BIB 3 10 40186 3 2 REACTION (24-CR-52(N,G)24-CR-53,,SPC) 40186 3 3 Capture gamma spectrum 40186 3 4 SAMPLE (24-CR-52,ENR=0.995) Metallic powder. 40186 3 5 Cr-50 Cr-52 Cr-53 Cr-54 40186 3 6 Isotopic composition: 40186 3 7 0.1% 99.5% 0.3% 0.1% 40186 3 8 Contribution to capture : 40186 3 9 2.15% 92.0% 5.60% 0.35% 40186 3 10 HISTORY (20010307A) Lines with blank data fields deleted. 40186 3 11 Flag deleted. 40186 3 12 ENDBIB 10 0 40186 3 13 NOCOMMON 0 0 40186 3 14 DATA 2 13 40186 3 15 E DATA 40186 3 16 KEV PC/REAC 40186 3 17 5.5900E+02 1.3000E+01 40186 3 18 8.0400E+02 4.0000E+00 40186 3 19 1.2610E+03 2.4000E+00 40186 3 20 1.3530E+03 7.5000E+00 40186 3 21 1.5490E+03 5.0000E-01 40186 3 22 2.1630E+03 6.5000E+00 40186 3 23 3.3000E+03 1.6000E+01 40186 3 24 3.6730E+03 4.1000E+00 40186 3 25 4.2440E+03 5.5000E+00 40186 3 26 4.3060E+03 5.5000E+00 40186 3 27 5.5950E+03 2.1000E+01 40186 3 28 7.3560E+03 1.3000E+01 40186 3 29 7.9310E+03 5.0000E+01 40186 3 30 ENDDATA 15 0 40186 3 31 ENDSUBENT 30 0 40186 399999 SUBENT 40186004 20150109 417240186 4 1 BIB 3 10 40186 4 2 REACTION (24-CR-50(N,G)24-CR-51,,SPC) 40186 4 3 Capture spectrum 40186 4 4 SAMPLE (24-CR-50,ENR=0.877) Chromium compound Cr2O3. 40186 4 5 Cr-50 Cr-52 Cr-53 Cr-54 40186 4 6 Isotopic composition: 40186 4 7 87.7% 11.1% 0.9% 0.3% 40186 4 8 Contribution to capture : 40186 4 9 98.8% 0.53% 1.05% 0.05% 40186 4 10 HISTORY (20010307A) Lines with blank data fields deleted. 40186 4 11 Flag deleted. 40186 4 12 ENDBIB 10 0 40186 4 13 NOCOMMON 0 0 40186 4 14 DATA 2 17 40186 4 15 E DATA 40186 4 16 KEV PC/REAC 40186 4 17 4.1700E+02 2.2000E+01 40186 4 18 7.5000E+02 4.9000E+01 40186 4 19 7.7800E+02 1.2000E+00 40186 4 20 8.7600E+02 1.7000E+00 40186 4 21 1.8990E+03 4.9000E+00 40186 4 22 3.5930E+03 4.9000E+00 40186 4 23 4.0390E+03 9.0000E-01 40186 4 24 4.2810E+03 1.8000E+00 40186 4 25 4.4860E+03 6.0000E-01 40186 4 26 4.6320E+03 1.5000E+00 40186 4 27 5.2190E+03 3.1000E+00 40186 4 28 5.4860E+03 4.1000E+00 40186 4 29 6.1300E+03 7.5000E+00 40186 4 30 6.3650E+03 3.7000E+00 40186 4 31 7.3660E+03 1.3000E+01 40186 4 32 8.5050E+03 2.8000E+01 40186 4 33 8.5320E+03 3.2000E+01 40186 4 34 ENDDATA 19 0 40186 4 35 ENDSUBENT 34 0 40186 499999 ENDENTRY 4 0 4018699999999