ENTRY 41659 20181203 41814165900000001 SUBENT 41659001 20181203 41814165900100001 BIB 10 35 4165900100002 INSTITUTE (4ZZZDUB) 4165900100003 REFERENCE (J,SNP,10,189,1970) Issue 2. 4165900100004 Engl.translation of: 4165900100005 (J,YF,10,328,1969) 4165900100006 AUTHOR (Yu.A.Aleksandrov, A.M.Balagurov, E.Maliszewski, 4165900100007 T.A.Machekhina, L.N.Sedlakova, A.Holas) 4165900100008 TITLE Determination of nuclear amplitudes of W isotope 4165900100009 scattering using a neutronographic method 4165900100010 SAMPLE Polycrystalline powder - 4165900100011 W-182 sample, weight 71.061 g, isotopic content,% : 4165900100012 W-180 - 0.8, W-182 - 78.9, W-183 - 10.5, W-184 - 6.5, 4165900100013 W-186 - 3.3 . 4165900100014 W-184 sample, weight 92.478 g, isotopic content,% : 4165900100015 W-180 - 0.05, W-182 - 2.3, W-183 - 5.0, W-184 - 88.5, 4165900100016 W-186 - 4.2 . 4165900100017 W-186 sample, weight 77.890 g, isotopic content,% : 4165900100018 W-182 - 2.4, W-183 - 1.9, W-184 - 5.0, W-186 - 90.7 .4165900100019 W-nat sample, weight 59.105 g, isotopic content,% : 4165900100020 W-180 - 0.2, W-182 - 26.4, W-183 - 14.4, W-184 - 30.6,4165900100021 W-186 - 28.4 . 4165900100022 Single crystals - 4165900100023 W-nat : 0.23 g weight, 0.01 cm thickness, 4165900100024 0.24 g weight, 0.0125 cm thickness, 4165900100025 0.57 g weight, 0.03 cm thickness; 4165900100026 W-186 cylinder, 13.56 g weight, 0.26 cm radius, 4165900100027 60 mm high . 4165900100028 FACILITY (REAC,4ZZZDUB) Pulsed fast reactor IBR. 4165900100029 (REAC,4RUSFRT) WWR reactor, 4165900100030 crystal monochromator (1.15Angstrom) 4165900100031 INC-SOURCE (REAC) 4165900100032 METHOD (TOF) Flight base 21.54 m . 4165900100033 COMMENT Of compiler. Amplitudes values are given in 4165900100034 units 10**-12 cm, recalculated by compiler to obtain 4165900100035 Fermi units - using relation 1 Fermi = 10**-13 cm . 4165900100036 HISTORY (20181203C) M.M. 4165900100037 ENDBIB 35 0 4165900100038 NOCOMMON 0 0 4165900100039 ENDSUBENT 38 0 4165900199999 SUBENT 41659002 20181203 41814165900200001 BIB 6 18 4165900200002 REACTION (74-W-182(N,THS)74-W-182,COH,AMP) 4165900200003 Coherent scattering amplitude. 4165900200004 ANALYSIS Determined from system of equations: 4165900200005 bi=SUM(aij * bj), where 4165900200006 bi - coherent amplitude for i-th mixture of isotopes, 4165900200007 bj - coherent amplitude of i-th isotope, 4165900200008 aij - content of j-th isotope in the i-th mixture; 4165900200009 W-180 was neglected due to its small content. 4165900200010 CORRECTION For incoherent scattering for W-192 and W-184 . 4165900200011 ADD-RES Measurement at JINR IBR reactor : 4165900200012 W-182 mixture - W-180 - 0.1%, W-182 - 71.5%, 4165900200013 W-183 - 11.2%, W-184 - 11.5%, W-186 - 5.7% 4165900200014 Coherent scattering amplitude for this mixture - 4165900200015 7.2+-0.2 Fermi ( measured, En is not given) . 4165900200016 STATUS (TABLE) text, p.192 of 4165900200017 Soviet J.of Nucl.Physics,10,(2),189,1970 4165900200018 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 4165900200019 article 4165900200020 ENDBIB 18 0 4165900200021 NOCOMMON 0 0 4165900200022 DATA 3 1 4165900200023 EN DATA DATA-ERR 4165900200024 EV FERMI FERMI 4165900200025 0.034 8.33 0.14 4165900200026 ENDDATA 3 0 4165900200027 ENDSUBENT 26 0 4165900299999 SUBENT 41659003 20181203 41814165900300001 BIB 5 13 4165900300002 REACTION (74-W-183(N,THS)74-W-183,COH,AMP) 4165900300003 Coherent scattering amplitude. 4165900300004 ANALYSIS Determined from system of equations: 4165900300005 bi=SUM(aij * bj), where 4165900300006 bi - coherent amplitude for i-th mixture of isotopes, 4165900300007 bj - coherent amplitude of i-th isotope, 4165900300008 aij - content of j-th isotope in the i-th mixture; 4165900300009 W-180 was neglected due to its small content. 4165900300010 CORRECTION For incoherent scattering for W-192 and W-184 . 4165900300011 STATUS (TABLE) text, page 192 of 4165900300012 Soviet J.of Nucl.Physics,10,(2),189,1970 4165900300013 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 4165900300014 article 4165900300015 ENDBIB 13 0 4165900300016 NOCOMMON 0 0 4165900300017 DATA 3 1 4165900300018 EN DATA DATA-ERR 4165900300019 EV FERMI FERMI 4165900300020 0.034 4.3 0.5 4165900300021 ENDDATA 3 0 4165900300022 ENDSUBENT 21 0 4165900399999 SUBENT 41659004 20181203 41814165900400001 BIB 5 13 4165900400002 REACTION (74-W-184(N,THS)74-W-184,COH,AMP) 4165900400003 Coherent scattering amplitude. 4165900400004 ANALYSIS Determined from system of equations: 4165900400005 bi=SUM(aij * bj), where 4165900400006 bi - coherent amplitude for i-th mixture of isotopes, 4165900400007 bj - coherent amplitude of i-th isotope, 4165900400008 aij - content of j-th isotope in the i-th mixture; 4165900400009 W-180 was neglected due to its small content. 4165900400010 CORRECTION For incoherent scattering for W-192 and W-184 . 4165900400011 STATUS (TABLE) text, page 192 of 4165900400012 Soviet J.of Nucl.Physics,10,(2),189,1970 4165900400013 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 4165900400014 article 4165900400015 ENDBIB 13 0 4165900400016 NOCOMMON 0 0 4165900400017 DATA 3 1 4165900400018 EN DATA DATA-ERR 4165900400019 EV FERMI FERMI 4165900400020 0.034 7.59 0.09 4165900400021 ENDDATA 3 0 4165900400022 ENDSUBENT 21 0 4165900499999 SUBENT 41659005 20181203 41814165900500001 BIB 5 13 4165900500002 REACTION (74-W-186(N,THS)74-W-186,COH,AMP) 4165900500003 Coherent scattering amplitude. 4165900500004 ANALYSIS Determined from system of equations: 4165900500005 bi=SUM(aij * bj), where 4165900500006 bi - coherent amplitude for i-th mixture of isotopes, 4165900500007 bj - coherent amplitude of i-th isotope, 4165900500008 aij - content of j-th isotope in the i-th mixture; 4165900500009 W-180 was neglected due to its small content. 4165900500010 CORRECTION For incoherent scattering for W-192 and W-184 . 4165900500011 STATUS (TABLE) text, page 192 of 4165900500012 Soviet J.of Nucl.Physics,10,(2),189,1970 4165900500013 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 4165900500014 article 4165900500015 ENDBIB 13 0 4165900500016 NOCOMMON 0 0 4165900500017 DATA 3 1 4165900500018 EN DATA DATA-ERR 4165900500019 EV FERMI FERMI 4165900500020 0.034 -1.19 0.05 4165900500021 ENDDATA 3 0 4165900500022 ENDSUBENT 21 0 4165900599999 SUBENT 41659006 20181203 41814165900600001 BIB 6 23 4165900600002 REACTION (74-W-186(N,THS)74-W-186,COH,SIG) 4165900600003 Coherent scattering cross section for different 4165900600004 reflections and 3 runs . 4165900600005 METHOD Measurement at WWR monochromator (1.15 Angstrom) 4165900600006 FLAG (1.) Crystal plate 1 4165900600007 (2.) Crystal plate 2 4165900600008 (3.) W-186 single cylinder 4165900600009 (110.) reflection plane (110) 4165900600010 (220.) reflection plane (220) 4165900600011 (330.) reflection plane (330) 4165900600012 (440.) reflection plane (440) 4165900600013 ERR-ANALYS (DATA-ERR) Includes: 4165900600014 statistics, 4165900600015 background subtraction, 4165900600016 areas of samples, 4165900600017 W-186 radius uncertainty in calculation of 4165900600018 absorption factor. 4165900600019 Uncertainty of isotopic composition was not taken 4165900600020 into account. 4165900600021 COMMENT Of compiler. En,eV was calculated as: 4165900600022 0.0818/((1.15)**2) = 0.0619 eV 4165900600023 STATUS (TABLE) Table III of 4165900600024 Soviet J.of Nucl.Physics,10,(2),189,1970 4165900600025 ENDBIB 23 0 4165900600026 COMMON 1 3 4165900600027 EN 4165900600028 EV 4165900600029 0.0619 4165900600030 ENDCOMMON 3 0 4165900600031 DATA 4 12 4165900600032 DATA DATA-ERR FLAG FLAG 4165900600033 MB MB NO-DIM NO-DIM 4165900600034 30. 3. 1. 110. 4165900600035 29. 3. 2. 110. 4165900600036 26. 3. 3. 110. 4165900600037 24. 2. 1. 220. 4165900600038 22. 2. 2. 220. 4165900600039 20. 2. 3. 220. 4165900600040 24. 2. 1. 330. 4165900600041 21. 3. 2. 330. 4165900600042 20. 2. 3. 330. 4165900600043 33. 5. 1. 440. 4165900600044 27. 6. 2. 440. 4165900600045 26. 3. 3. 440. 4165900600046 ENDDATA 14 0 4165900600047 ENDSUBENT 46 0 4165900699999 ENDENTRY 6 0 4165999999999