ENTRY 40379 20220318 42074037900000001 SUBENT 40379001 20220318 42074037900100001 BIB 12 33 4037900100002 TITLE Measurement of the neutron multiplication factor for 4037900100003 thermal fission of uranium and plutonium 4037900100004 AUTHOR (P.E.Spivak,B.G.Yerozolimsky) 4037900100005 REFERENCE (C,55GENEVA,4,295,1955) Russian original in 4037900100006 USSR Academy of Sciences' edition 'Doklady Sovetskoy 4037900100007 Delegatsii na Mezhdunarodnoy Konferentsii po Mirnomy 4037900100008 Ispol'zovaniyu Atomnoy Energii, Geneve, 1955. vol.2, 4037900100009 'Fizicheskie Issledovaniya',Moscow, 1955, page 184 4037900100010 INSTITUTE (4RUSKUR) 4037900100011 FACILITY (REAC) Uranium-graphite reactor 4037900100012 INC-SOURCE (THCOL) Thermal graphite column 4037900100013 INC-SPECT Thermal neutrons in a thermal graphite prism 4037900100014 SAMPLE Boron samples (for monitoring), chemically pure : 4037900100015 1 Na(2)B(4)O(7)*10H(2)O, 0.486 g, 3.07E+21 nuclei; 4037900100016 2 H(3)BO(3), 0.302 g, 2.95E+21 nuclei; 4037900100017 3 H(3)BO(3), 0.283 g, 2.77E+21 nuclei. 4037900100018 B sample 1 for U-natural, B sample 2 for U-235, 4037900100019 B sample 3 for U-233 and Pu-239. 4037900100020 DETECTOR (FISCH) 4037900100021 METHOD Graphite prism method 4037900100022 ERR-ANALYS (DATA-ERR) Errors specified as total. 4037900100023 Sources of uncertainties of measured values X, Y, K are4037900100024 given in Table III. 4037900100025 For definition of X, Y, K - see formulas 1-4 in the 4037900100026 article. 4037900100027 HISTORY (19830330C) Compiled at the CJD 4037900100028 (19870417A) SUBENTS 40379002 to 005 deleted. TITLE 4037900100029 changed. Data ratios in SAN 006 to 009 introduced 4037900100030 and MXW modifier put in SF8 in all SANs. 4037900100031 (19960924A) * * Corrected by S.Maev in CJD-centre 4037900100032 .Added several Subentries From ENTRY 80329 * * 4037900100033 (19970213U) Monitor moved to SAN 006-009 4037900100034 (20220318A) Update for current rules and dictionaries. 4037900100035 ENDBIB 33 0 4037900100036 COMMON 1 3 4037900100037 EN-DUMMY 4037900100038 EV 4037900100039 0.025 4037900100040 ENDCOMMON 3 0 4037900100041 ENDSUBENT 40 0 4037900199999 NOSUBENT 40379002 20220318 42074037900200001 NOSUBENT 40379003 20220318 42074037900300001 NOSUBENT 40379004 20220318 42074037900400001 NOSUBENT 40379005 20220318 42074037900500001 SUBENT 40379006 20220318 42074037900600001 BIB 6 17 4037900600002 REACTION 1(92-U-0(N,ABS),,SIG,,MXW) 4037900600003 2((92-U-0(N,ABS),,SIG,,MXW)/(5-B-0(N,ABS),,SIG)) 4037900600004 MONITOR 1(5-B-0(N,ABS),,SIG) 4037900600005 SAMPLE Oxide UO(2), natural uranium composition. 4037900600006 144.8 g, 3.23E+23 nuclei. Very pure. 4037900600007 ANALYSIS 2 Ratio was derived from measured Y values and number of4037900600008 nuclei in samples. 4037900600009 STATUS (NDD) Data taken from the NEUDATA exchange tape. 4037900600010 RUNID (Run Identification Number) = E00900 4037900600011 (TABLE) Text page 299 (DATA 2), page 300 (DATA 1) of 4037900600012 Conf.Proc.55GENEVA,v.4,p.295,1955 4037900600013 2(DEP,40379010) Measured Y value. 4037900600014 HISTORY (19830330C) + + Compiled at the CJD + + 4037900600015 (19960924U) * * Checked with SUBENT 80329002 4037900600016 DATA-ERR changed to ERR-T * * 4037900600017 (19970213U) MONITOR added in COMMON section 4037900600018 (20220318A) U-238 -> U-0 in SF1 ( natural uranium). 4037900600019 ENDBIB 17 0 4037900600020 COMMON 1 3 4037900600021 MONIT 1 4037900600022 B 4037900600023 755. 4037900600024 ENDCOMMON 3 0 4037900600025 DATA 3 1 4037900600026 DATA 1DATA 2DATA-ERR 2 4037900600027 B NO-DIM PER-CENT 4037900600028 7.15 0.0095 2. 4037900600029 ENDDATA 3 0 4037900600030 ENDSUBENT 29 0 4037900699999 SUBENT 40379007 20220318 42074037900700001 BIB 6 14 4037900700002 REACTION 1(92-U-233(N,ABS),,SIG,,MXW) 4037900700003 2((92-U-233(N,ABS),,SIG,,MXW)/(5-B-0(N,ABS),,SIG)) 4037900700004 MONITOR 1(5-B-0(N,ABS),,SIG) 4037900700005 SAMPLE Oxide U(3)O(8), U-233 content is 94.6 % . 4037900700006 1.750 g, 3.59E+21 nuclei, admixtures < 0.5%. 4037900700007 ANALYSIS 2 Ratio was derived from measured Y values and number of4037900700008 nuclei in samples. 4037900700009 STATUS (TABLE) Text page 299 (DATA 2), page 300 (DATA 1) of 4037900700010 Conf.Proc.55GENEVA,v.4,p.295,1955 4037900700011 2(DEP,40379011) Measured Y value. 4037900700012 HISTORY (19830330C) + + Compiled at the CJD + + 4037900700013 (19960924U) * * Checked with SUBENT 80329005 4037900700014 DATA-ERR changed to ERR-T * * 4037900700015 (19970213U) MONITOR added in COMMON section 4037900700016 ENDBIB 14 0 4037900700017 COMMON 1 3 4037900700018 MONIT 1 4037900700019 B 4037900700020 755. 4037900700021 ENDCOMMON 3 0 4037900700022 DATA 3 1 4037900700023 DATA 1DATA 2DATA-ERR 2 4037900700024 B NO-DIM PER-CENT 4037900700025 587. 0.78 2. 4037900700026 ENDDATA 3 0 4037900700027 ENDSUBENT 26 0 4037900799999 SUBENT 40379008 20220318 42074037900800001 BIB 6 14 4037900800002 REACTION 1(92-U-235(N,ABS),,SIG,,MXW) 4037900800003 2((92-U-235(N,ABS),,SIG,,MXW)/(5-B-0(N,ABS),,SIG)) 4037900800004 SAMPLE U(3)O(8) oxide, U-235 content 92.6 %, 1.750 g, 4037900800005 3.48E+21 nuclei, Fe admixture ~ 1.%. 4037900800006 MONITOR 1(5-B-0(N,ABS),,SIG) 4037900800007 ANALYSIS 2 Ratio was derived from measured Y values and number of4037900800008 nuclei in samples. 4037900800009 STATUS (TABLE) Text page 299 (DATA 2), page 300 (DATA 1) of 4037900800010 Conf.Proc.55GENEVA,v.4,p.295,1955 4037900800011 2(DEP,40379012) Measured Y value. 4037900800012 HISTORY (19830330C) + + Compiled at the CJD + + 4037900800013 (19960924U) * * Checked with SUBENT 80329008 * * 4037900800014 DATA-ERR changed to ERR-T * * 4037900800015 (19970213U) MONITOR added in COMMON section 4037900800016 ENDBIB 14 0 4037900800017 COMMON 1 3 4037900800018 MONIT 1 4037900800019 B 4037900800020 755. 4037900800021 ENDCOMMON 3 0 4037900800022 DATA 3 1 4037900800023 DATA 1DATA 2DATA-ERR 2 4037900800024 B NO-DIM PER-CENT 4037900800025 652. 0.86 2. 4037900800026 ENDDATA 3 0 4037900800027 ENDSUBENT 26 0 4037900899999 SUBENT 40379009 20220318 42074037900900001 BIB 6 13 4037900900002 REACTION 1(94-PU-239(N,ABS),,SIG,,MXW) 4037900900003 2((94-PU-239(N,ABS),,SIG,,MXW)/(5-B-0(N,ABS),,SIG)) 4037900900004 SAMPLE PuO(2) oxide, Pu-239 content 99.%, 0.952 g , 4037900900005 2.10E+21 nuclei, La admixture ~0.5%. 4037900900006 MONITOR 1(5-B-0(N,ABS),,SIG) 4037900900007 ANALYSIS 2 Ratio was derived from measured Y values and number o4037900900008 nuclei in samples. 4037900900009 STATUS (TABLE) Text page 299 (DATA 2), page 300 (DATA 1) of 4037900900010 Conf.Proc.55GENEVA,v.4,p.295,1955 4037900900011 2(DEP,40379013) Measured Y value. 4037900900012 HISTORY (19830330C) + + Compiled at the CJD + + 4037900900013 (19960924U) * * Checked with SUBENT 80329011 * * 4037900900014 (19970213U) MONITOR added in COMMON section 4037900900015 ENDBIB 13 0 4037900900016 COMMON 1 3 4037900900017 MONIT 1 4037900900018 B 4037900900019 755. 4037900900020 ENDCOMMON 3 0 4037900900021 DATA 3 1 4037900900022 DATA 1DATA 2DATA-ERR 2 4037900900023 B NO-DIM PER-CENT 4037900900024 1000. 1.325 2. 4037900900025 ENDDATA 3 0 4037900900026 ENDSUBENT 25 0 4037900999999 SUBENT 40379010 20220318 42074037901000001 BIB 8 21 4037901000002 REACTION (92-U-0(N,NON),,ETA,,MXW) 4037901000003 SAMPLE Oxide UO(2), natural uranium composition. 4037901000004 144.8 g, 3.23E+23 nuclei. Very pure. 4037901000005 MONITOR No information 4037901000006 ANALYSIS NUeff (=ETA) was determined by formula (4): 4037901000007 NUeff=(1/K 1 - X/Y), 4037901000008 see formulas (3) for definition of X,Y,K. 4037901000009 MISC-COL (MISC1) Value X 4037901000010 (MISC2) Value Y 4037901000011 (MISC3) Value K 4037901000012 ERR-ANALYS Total error 1.2%. 4037901000013 (ERR-S) Statistical error 4037901000014 (ERR-SYS) Mean square value of the total methodical 4037901000015 errors ( see Table III) 4037901000016 STATUS (TABLE) Table II of Conf.Proc.55GENEVA,v.4,p.295,1955 4037901000017 HISTORY (19960920T) * * Converted in CJD-centre from 4037901000018 SUBENT 80329003 * * 4037901000019 (19970213U) MONITOR and ASSUMED keywords added 4037901000020 (20220318A) U-238 -> U-0 in SF1 ( natural uranium). 4037901000021 ASSUM was deleted. ANALYSIS and MISC-COL were added. 4037901000022 NO-DIM -> PRT/REAC. 4037901000023 ENDBIB 21 0 4037901000024 COMMON 4 3 4037901000025 MISC3 MISC3-ERR ERR-S ERR-SYS 4037901000026 NO-DIM NO-DIM PER-CENT PER-CENT 4037901000027 1.155 0.01 1. 0.6 4037901000028 ENDCOMMON 3 0 4037901000029 DATA 6 1 4037901000030 DATA DATA-ERR MISC1 MISC1-ERR MISC2 MISC2-ERR 4037901000031 PRT/REAC PRT/REAC NO-DIM PER-CENT NO-DIM PER-CENT 4037901000032 1.337 0.017 -0.539 0.7 0.995 0.9 4037901000033 ENDDATA 3 0 4037901000034 ENDSUBENT 33 0 4037901099999 SUBENT 40379011 20220318 42074037901100001 BIB 9 24 4037901100002 REACTION (92-U-233(N,NON),,ETA,,MXW) 4037901100003 METHOD Compared effects on neutron density in specially 4037901100004 designed reactor thermal column, of alternate 4037901100005 insertions of boron and of 94.6 % U-233 sample. 4037901100006 SAMPLE Oxide U(3)O(8), U-233 content is 94.6 % . 4037901100007 1.750 g, 3.59E+21 nuclei, admixtures < 0.5%. 4037901100008 MONITOR No information 4037901100009 ANALYSIS NUeff (=ETA) was determined by formula (4): 4037901100010 NUeff=(1/K 1 - X/Y), 4037901100011 see formulas (3) for definition of X,Y,K. 4037901100012 MISC-COL (MISC1) Value X 4037901100013 (MISC2) Value Y 4037901100014 (MISC3) Value K 4037901100015 ERR-ANALYS Total error 1.2%. 4037901100016 (ERR-S) Statistical error 4037901100017 (ERR-SYS) Mean square value of the total methodical 4037901100018 errors ( see Table III) 4037901100019 STATUS (TABLE) Table II of Conf.Proc.55GENEVA,v.4,p.295,1955 4037901100020 HISTORY (19960920T) * * Converted in CJD-CENTRE from 4037901100021 SUBENT 80329006 * * 4037901100022 (19970213U) MONITOR and ASSUMED keywords added 4037901100023 (20220318A) ASSUM was deleted. 4037901100024 ANALYSIS and MISC-COL were added. 4037901100025 NO-DIM -> PRT/REAC. 4037901100026 ENDBIB 24 0 4037901100027 COMMON 4 3 4037901100028 MISC3 MISC3-ERR ERR-S ERR-SYS 4037901100029 NO-DIM NO-DIM PER-CENT PER-CENT 4037901100030 1.155 0.01 1. 0.6 4037901100031 ENDCOMMON 3 0 4037901100032 DATA 6 1 4037901100033 DATA DATA-ERR MISC1 MISC1-ERR MISC2 MISC2-ERR 4037901100034 PRT/REAC PRT/REAC NO-DIM PER-CENT NO-DIM PER-CENT 4037901100035 2.28 0.028 -1.643 0.5 1.008 0.6 4037901100036 ENDDATA 3 0 4037901100037 ENDSUBENT 36 0 4037901199999 SUBENT 40379012 20220318 42074037901200001 BIB 9 24 4037901200002 REACTION (92-U-235(N,NON),,ETA,,MXW) 4037901200003 METHOD Compared effects on neutron density in specially 4037901200004 designed reactor thermal column of alternate 4037901200005 insertions of B and U-235 4037901200006 SAMPLE U(3)O(8) oxide, U-235 content 92.6 %, 1.750 g, 4037901200007 3.48E+21 nuclei, Fe admixture ~ 1.%. 4037901200008 MONITOR No information 4037901200009 ANALYSIS NUeff (=ETA) was determined by formula (4): 4037901200010 NUeff=(1/K 1 - X/Y), 4037901200011 see formulas (3) for definition of X,Y,K. 4037901200012 MISC-COL (MISC1) Value X 4037901200013 (MISC2) Value Y 4037901200014 (MISC3) Value K 4037901200015 ERR-ANALYS Total error 1.2%. 4037901200016 (ERR-S) Statistical error 4037901200017 (ERR-SYS) Mean square value of the total methodical 4037901200018 errors ( see Table III) 4037901200019 STATUS (TABLE) Table II of Conf.Proc.55GENEVA,v.4,p.295,1955 4037901200020 HISTORY (19960920T) * * Converted in CJD-centre from 4037901200021 SUBENT 80329009 * * 4037901200022 (19970213U) MONITOR and ASSUMED keywords added 4037901200023 (20220318A) ASSUM was deleted. 4037901200024 ANALYSIS and MISC-COL were added. 4037901200025 NO-DIM -> PRT/REAC. 4037901200026 ENDBIB 24 0 4037901200027 COMMON 4 3 4037901200028 MISC3 MISC3-ERR ERR-S ERR-SYS 4037901200029 NO-DIM NO-DIM PER-CENT PER-CENT 4037901200030 1.155 0.01 1. 0.6 4037901200031 ENDCOMMON 3 0 4037901200032 DATA 6 1 4037901200033 DATA DATA-ERR MISC1 MISC1-ERR MISC2 MISC2-ERR 4037901200034 PRT/REAC PRT/REAC NO-DIM PER-CENT NO-DIM PER-CENT 4037901200035 2.065 0.025 -1.392 0.5 1.018 0.6 4037901200036 ENDDATA 3 0 4037901200037 ENDSUBENT 36 0 4037901299999 SUBENT 40379013 20220318 42074037901300001 BIB 8 21 4037901300002 REACTION (94-PU-239(N,NON),,ETA,,MXW) 4037901300003 SAMPLE PuO(2) oxide, Pu-239 content 99.%, 0.952 g , 4037901300004 2.10E+21 nuclei, La admixture ~0.5%. 4037901300005 MONITOR No information 4037901300006 ANALYSIS NUeff (=ETA) was determined by formula (4): 4037901300007 NUeff=(1/K 1 - X/Y), 4037901300008 see formulas (3) for definition of X,Y,K. 4037901300009 MISC-COL (MISC1) Value X 4037901300010 (MISC2) Value Y 4037901300011 (MISC3) Value K 4037901300012 ERR-ANALYS Total error 1.2%. 4037901300013 (ERR-S) Statistical error 4037901300014 (ERR-SYS) Mean square value of the total methodical 4037901300015 errors ( see Table III) 4037901300016 STATUS (TABLE) Table II of Conf.Proc.55GENEVA,v.4,p.295,1955 4037901300017 HISTORY (19960920T) * * Converted in CJD-centre from 4037901300018 SUBENT 80329012 * * 4037901300019 (19970213U) MONITOR and ASSUMED keywords added 4037901300020 (20220318A) ASSUM was deleted. 4037901300021 ANALYSIS and MISC-COL were added. 4037901300022 NO-DIM -> PRT/REAC. 4037901300023 ENDBIB 21 0 4037901300024 COMMON 4 3 4037901300025 MISC3 MISC3-ERR ERR-S ERR-SYS 4037901300026 NO-DIM NO-DIM PER-CENT PER-CENT 4037901300027 1.155 0.01 1. 0.6 4037901300028 ENDCOMMON 3 0 4037901300029 DATA 6 1 4037901300030 DATA DATA-ERR MISC1 MISC1-ERR MISC2 MISC2-ERR 4037901300031 PRT/REAC PRT/REAC NO-DIM PER-CENT NO-DIM PER-CENT 4037901300032 2.035 0.025 -1.352 0.5 1.003 0.6 4037901300033 ENDDATA 3 0 4037901300034 ENDSUBENT 33 0 4037901399999 ENDENTRY 13 0 4037999999999