ENTRY 40688 20231011 4068800000001 SUBENT 40688001 20231011 20240316 4068800100001 BIB 9 33 4068800100002 TITLE Propagation of neutrons in uranium carbide 4068800100003 AUTHOR (I.I.Bondarenko,V.I.Golubev,A.V.Zvonarev,M.N.Nikolaev, 4068800100004 M.Yu.Orlov,O.P.Uznadze) 4068800100005 REFERENCE (J,SJA,17,821,1964) Engl.translation of AE,17,113,1964 4068800100006 (J,AE,17,113,1964) Issue 2. 4068800100007 INSTITUTE (4RUSFEI) 4068800100008 FACILITY (REAC,4RUSFEI) BR-1 reactor. 4068800100009 REL-REF (I,,A.I.Leypunskiy+,J,AE,5,277,1958) 4068800100010 Reactor BR-1 details. Report at 58GENEVA. 4068800100011 FLAG (1.) Reactor spectrum in the center of active zone 4068800100012 (consisting from plutonium roads) of 4068800100013 BR-1 reactor with uranium carbide screen. 4068800100014 Spectrum for En > 1 MeV was identical to Pu-239 4068800100015 fission spectrum (comment of authors in the article). 4068800100016 Table 1. 4068800100017 (2.) Neutron spectrum in the asymptotic region ( 63 cm 4068800100018 from reactor active zone center) of uranium carbide 4068800100019 screen in BR-1 reactor. Calculated multy-group neutron 4068800100020 spectrum is on Fig.3 (1). 4068800100021 Table 2. 4068800100022 (3.) Equilibrium (total, integral) spectrum in uranium 4068800100023 carbide screen in BR-1 reactor. 4068800100024 Spectrum on Fig.3 (2) . 4068800100025 Table 3. 4068800100026 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4068800100027 article. 4068800100028 HISTORY (19840112T) Converted from ENTRY 80080 4068800100029 (20231011A) BIB information was updated. 4068800100030 Upper -> lower case correction. 4068800100031 Dates were corrected for 4-digits year. 4068800100032 Data of Tables 2, 3 were added. 4068800100033 Subents 009 - 011 were added. 4068800100034 EN-DUMMY: 0.0253 -> 1.keV (see Figs.3,4 (1,2)) 4068800100035 ENDBIB 33 0 4068800100036 COMMON 1 3 4068800100037 EN-DUMMY 4068800100038 KEV 4068800100039 1. 4068800100040 ENDCOMMON 3 0 4068800100041 ENDSUBENT 40 0 4068800199999 SUBENT 40688002 20231011 20240316 4068800200001 BIB 3 4 4068800200002 REACTION ((90-TH-232(N,F),,SIG,,SPA)/(92-U-235(N,F),,SIG,,SPA)) 4068800200003 DETECTOR (FISCH) Fission chamber. 4068800200004 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068800200005 Tables 1, 2, 3. 4068800200006 ENDBIB 4 0 4068800200007 NOCOMMON 0 0 4068800200008 DATA 3 3 4068800200009 DATA DATA-ERR FLAG 4068800200010 NO-DIM NO-DIM NO-DIM 4068800200011 0.0313 0.0016 1. 4068800200012 0.00056 0.00003 2. 4068800200013 0.00257 0.00014 3. 4068800200014 ENDDATA 5 0 4068800200015 ENDSUBENT 14 0 4068800299999 SUBENT 40688003 20231011 20240316 4068800300001 BIB 4 6 4068800300002 REACTION ((11-NA-23(N,G)11-NA-24,,SIG,,SPA)/ 4068800300003 (92-U-235(N,F),,SIG,,SPA)) 4068800300004 INC-SPECT Reactor spectrum in the center of active zone of 4068800300005 BR-1 reactor with uranium carbide screen. 4068800300006 DETECTOR (FISCH) Ionization chamber 4068800300007 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068800300008 ENDBIB 6 0 4068800300009 NOCOMMON 0 0 4068800300010 DATA 3 3 4068800300011 DATA DATA-ERR FLAG 4068800300012 NO-DIM NO-DIM NO-DIM 4068800300013 0.000403 0.000024 1. 4068800300014 0.0017 0.0001 2. 4068800300015 0.00169 0.00011 3. 4068800300016 ENDDATA 5 0 4068800300017 ENDSUBENT 16 0 4068800399999 SUBENT 40688004 20231011 20240316 4068800400001 BIB 3 4 4068800400002 REACTION ((29-CU-63(N,G)29-CU-64,,SIG,,SPA)/ 4068800400003 (92-U-235(N,F),,SIG,,SPA)) 4068800400004 DETECTOR (FISCH) Ionization chamber 4068800400005 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068800400006 ENDBIB 4 0 4068800400007 NOCOMMON 0 0 4068800400008 DATA 3 2 4068800400009 DATA DATA-ERR FLAG 4068800400010 NO-DIM NO-DIM NO-DIM 4068800400011 0.0136 0.0008 1. 4068800400012 0.045 0.003 2. 4068800400013 ENDDATA 4 0 4068800400014 ENDSUBENT 13 0 4068800499999 SUBENT 40688005 20231011 20240316 4068800500001 BIB 4 5 4068800500002 REACTION ((25-MN-55(N,G)25-MN-56,,SIG,,SPA)/ 4068800500003 (92-U-235(N,F),,SIG,,SPA)) 4068800500004 DETECTOR (FISCH) Ionization chamber 4068800500005 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068800500006 HISTORY (20231011A) SPA code was added in denomunator. 4068800500007 ENDBIB 5 0 4068800500008 NOCOMMON 0 0 4068800500009 DATA 3 3 4068800500010 DATA DATA-ERR FLAG 4068800500011 NO-DIM NO-DIM NO-DIM 4068800500012 0.00650 0.00040 1. 4068800500013 0.100 0.005 2. 4068800500014 0.0817 0.0057 3. 4068800500015 ENDDATA 5 0 4068800500016 ENDSUBENT 15 0 4068800599999 SUBENT 40688006 20231011 20240316 4068800600001 BIB 3 4 4068800600002 REACTION ((79-AU-197(N,G)79-AU-198,,SIG,,SPA)/ 4068800600003 (92-U-235(N,F),,SIG,,SPA)) 4068800600004 DETECTOR (FISCH) Ionization chamber 4068800600005 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068800600006 ENDBIB 4 0 4068800600007 NOCOMMON 0 0 4068800600008 DATA 3 3 4068800600009 DATA DATA-ERR FLAG 4068800600010 NO-DIM NO-DIM NO-DIM 4068800600011 0.118 0.007 1. 4068800600012 0.70 0.05 2. 4068800600013 0.0571 0.0043 3. 4068800600014 ENDDATA 5 0 4068800600015 ENDSUBENT 14 0 4068800699999 SUBENT 40688007 20231011 20240316 4068800700001 BIB 3 4 4068800700002 REACTION ((92-U-238(N,G)92-U-239,,SIG,,SPA)/ 4068800700003 (92-U-235(N,F),,SIG,,SPA)) 4068800700004 DETECTOR (FISCH) Ionization chamber 4068800700005 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068800700006 ENDBIB 4 0 4068800700007 NOCOMMON 0 0 4068800700008 DATA 3 3 4068800700009 DATA DATA-ERR FLAG 4068800700010 NO-DIM NO-DIM NO-DIM 4068800700011 0.0763 0.0063 1. 4068800700012 0.118 0.009 2. 4068800700013 0.125 0.010 3. 4068800700014 ENDDATA 5 0 4068800700015 ENDSUBENT 14 0 4068800799999 SUBENT 40688008 20231011 20240316 4068800800001 BIB 3 3 4068800800002 REACTION ((94-PU-239(N,F),,SIG,,SPA)/(92-U-235(N,F),,SIG,,SPA)) 4068800800003 DETECTOR (FISCH) Fission chamber 4068800800004 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068800800005 ENDBIB 3 0 4068800800006 NOCOMMON 0 0 4068800800007 DATA 3 3 4068800800008 DATA DATA-ERR FLAG 4068800800009 NO-DIM NO-DIM NO-DIM 4068800800010 1.30 0.06 1. 4068800800011 0.79 0.03 2. 4068800800012 0.995 0.045 3. 4068800800013 ENDDATA 5 0 4068800800014 ENDSUBENT 13 0 4068800899999 SUBENT 40688009 20231011 20240316 4068800900001 BIB 4 5 4068800900002 REACTION ((92-U-238(N,F),,SIG,,SPA)/ 4068800900003 (92-U-235(N,F),,SIG,,SPA)) 4068800900004 DETECTOR (FISCH) Ionization chamber 4068800900005 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068800900006 HISTORY (20231011C) Subent was added. 4068800900007 ENDBIB 5 0 4068800900008 NOCOMMON 0 0 4068800900009 DATA 3 3 4068800900010 DATA DATA-ERR FLAG 4068800900011 NO-DIM NO-DIM NO-DIM 4068800900012 0.163 0.0009 1. 4068800900013 0.0026 0.0002 2. 4068800900014 0.0130 0.0008 3. 4068800900015 ENDDATA 5 0 4068800900016 ENDSUBENT 15 0 4068800999999 SUBENT 40688010 20231011 20240316 4068801000001 BIB 4 5 4068801000002 REACTION ((92-U-233(N,F),,SIG,,SPA)/ 4068801000003 (92-U-235(N,F),,SIG,,SPA)) 4068801000004 DETECTOR (FISCH) Ionization chamber 4068801000005 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068801000006 HISTORY (20231011C) Subent was added. 4068801000007 ENDBIB 5 0 4068801000008 NOCOMMON 0 0 4068801000009 DATA 3 1 4068801000010 DATA DATA-ERR FLAG 4068801000011 NO-DIM NO-DIM NO-DIM 4068801000012 1.38 0.06 2. 4068801000013 ENDDATA 3 0 4068801000014 ENDSUBENT 13 0 4068801099999 SUBENT 40688011 20231011 20240316 4068801100001 BIB 4 5 4068801100002 REACTION ((16-S-32(N,P)15-P-32,,SIG,,SPA)/ 4068801100003 (92-U-235(N,F),,SIG,,SPA)) 4068801100004 DETECTOR (FISCH) Ionization chamber 4068801100005 STATUS (TABLE,,I.I.Bondarenko+,J,SJA,17,821,1964) 4068801100006 HISTORY (20231011C) Subent was added. 4068801100007 ENDBIB 5 0 4068801100008 NOCOMMON 0 0 4068801100009 DATA 3 1 4068801100010 DATA DATA-ERR FLAG 4068801100011 NO-DIM NO-DIM NO-DIM 4068801100012 0.00049 0.00003 2. 4068801100013 ENDDATA 3 0 4068801100014 ENDSUBENT 13 0 4068801199999 ENDENTRY 11 0 4068899999999