ENTRY 23526 20190603 22802352600000001 SUBENT 23526001 20190603 22802352600100001 BIB 7 28 2352600100002 TITLE Nuclear data for other heavy isotopes 2352600100003 AUTHOR (P.A.Egelstaff,J.E.Sanders) 2352600100004 REFERENCE (R,NRDC-84,9,1955) 2352600100005 Source of data mentioned as "S.J.Cocking,P.A.Egelstaff2352600100006 ,unpublished (1955)" in R,NRDC-84,9,1955. 2352600100007 REL-REF (N,21182001,V.G.Small,J,JNE,1,319,1955) 2352600100008 Pile oscillator absorption CS data for U238, Th, 2352600100009 (N,21181001,V.S.Crocker,J,JNE,1,234,1955) 2352600100010 Activation CS data, ratios to Au 2352600100011 (O,22555002,P.A.Egelstaff+,R,NRDC-84,9,1955) 2352600100012 Th slow chopper data. 2352600100013 J.E.Sanders,R,AERE-1655,1955 : 2352600100014 Nu ratio Pu240 SF to thermal fission Pu239 - 2352600100015 0.759+-0.028 ; Pu-240 SF NU 2.20+-0.08 derived. 2352600100016 INSTITUTE (2UK HAR) 2352600100017 ADD-RES . Mean absorption CS for U-238 2.72+-0.03 b from three 2352600100018 measurements - Subents 002,003 and from REL-REF of 2352600100019 V.G.Small ; 2352600100020 mean ratio U238/AU abs.CSs 0.0276+-0.003 from these 2352600100021 three measurements. 2352600100022 . Suggested provisional constants for Pu-241 for pile 2352600100023 neutrons ( page 12 of rep.NRDC-84,1955): 2352600100024 NU - 3.03+-0.06, ETA - 2.2+-0.1, 2352600100025 absorption CS - 1500.+-100.b, 2352600100026 fission CS - 1090.+-80.b, 2352600100027 ALPHA - 0.37+-0.04 2352600100028 derived from data of Harrwell and from literature . 2352600100029 HISTORY (20190604C) M.M. 2352600100030 ENDBIB 28 0 2352600100031 NOCOMMON 0 0 2352600100032 ENDSUBENT 31 0 2352600199999 SUBENT 23526002 20190604 22802352600200001 BIB 9 13 2352600200002 REACTION (92-U-238(N,ABS),,SIG,,,DERIV) 2352600200003 SAMPLE Depleted in U-235, U-235 content 1/44 of natural U . 2352600200004 INC-SOURCE Bi-filtered neutron beam 2352600200005 INC-SPECT Mean temperature 14 K . 2352600200006 METHOD (FNB,TRN) Ratio U238/Au was measured 2352600200007 MONITOR (79-AU-197(N,ABS),,SIG) 2352600200008 ANALYSIS 2200 m/sec CS was derived assuming 1/v cross section 2352600200009 dependence . 2352600200010 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2352600200011 article. 2352600200012 STATUS (TABLE) Text page 9 of Rep.NRDC-84,9,1955 . 2352600200013 Source of data mentioned as "S.J.Cocking,P.A.Egelstaff2352600200014 ,unpublished *(1955)" in R,NRDC-84,9,1955. 2352600200015 ENDBIB 13 0 2352600200016 NOCOMMON 0 0 2352600200017 DATA 5 1 2352600200018 EN DATA DATA-ERR MONIT MONIT-ERR 2352600200019 EV B B B B 2352600200020 0.0253 2.69 0.04 98.6 0.7 2352600200021 ENDDATA 3 0 2352600200022 ENDSUBENT 21 0 2352600299999 SUBENT 23526003 20190604 22802352600300001 BIB 8 14 2352600300002 REACTION (92-U-238(N,ABS),,SIG,,,DERIV) 2352600300003 SAMPLE Depleted in U-235, U-235 content 1/44 of natural U . 2352600300004 FACILITY (CHOPS) Slow chopper 2352600300005 METHOD (TRN) 2352600300006 ANALYSIS 2200 m/sec CS was derived assuming 1/v cross section 2352600300007 dependence . 2352600300008 REL-REF (N,21179001,P.A.Egelstaff,J,JNE,1,92,1954) 2352600300009 Slow chopper measurement abs. CS with highly enriched2352600300010 in U-235 samples. 2352600300011 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2352600300012 article. 2352600300013 STATUS (TABLE) Text page 9 of Rep.NRDC-84,9,1955 . 2352600300014 Source of data mentioned as "P.A.Egelstaff,J.W.Hall, 2352600300015 unpublished (1955)" in R,NRDC-84,9,1955. 2352600300016 ENDBIB 14 0 2352600300017 NOCOMMON 0 0 2352600300018 DATA 3 1 2352600300019 EN DATA DATA-ERR 2352600300020 EV B B 2352600300021 0.0253 2.69 0.04 2352600300022 ENDDATA 3 0 2352600300023 ENDSUBENT 22 0 2352600399999 SUBENT 23526004 20190604 22802352600400001 BIB 8 14 2352600400002 REACTION 1(94-PU-240(N,0),,EN) 2352600400003 2(94-PU-240(N,TOT),,WID) 2352600400004 3(94-PU-240(N,TOT),,SIG,,RES) 2352600400005 SAMPLE No information 2352600400006 FACILITY (CHOPF) Fast chopper 2352600400007 METHOD No information 2352600400008 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2352600400009 article. 2352600400010 STATUS (TABLE) Text page 10 of Rep.NRDC-84,9,1955 . 2352600400011 Source of data mentioned as "P.A.Egelstaff,D.B.Gayther,2352600400012 unpublished (1955)" in R,NRDC-84,9,1955. 2352600400013 COMMENT Of authors. These parameters supercede those published 2352600400014 in GENEVA Paper P.442. 2352600400015 REL-REF (D,41222003,T.G.Abov,C,55MOSCOW,,294,1955) 2352600400016 ENDBIB 14 0 2352600400017 NOCOMMON 0 0 2352600400018 DATA 6 1 2352600400019 DATA 1DATA-ERR 1DATA 2DATA-ERR 2DATA 3DATA-ERR 32352600400020 EV EV MILLI-EV MILLI-EV B B 2352600400021 1.056 0.003 39. 3. 0.130 E+6 0.005 E+62352600400022 ENDDATA 3 0 2352600400023 ENDSUBENT 22 0 2352600499999 SUBENT 23526005 20190604 22802352600500001 BIB 9 15 2352600500002 REACTION 1((94-PU-241(N,F),,SIG)/(94-PU-239(N,F),,SIG)) 2352600500003 2(94-PU-241(N,F),,SIG) 2352600500004 MONITOR 2((MONIT)94-PU-239(N,F),,SIG) 2352600500005 MONIT-REF ((MONIT),P.A.Egelstaff+,R,NRDC-84,1,1955) Table VI 2352600500006 SAMPLE No information 2352600500007 INC-SPECT 2200 m/s neutrons 2352600500008 METHOD No information 2352600500009 ANALYSIS 2. Error was increased from +-35.b to 50.b. 2352600500010 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2352600500011 article. 2352600500012 STATUS 1(TABLE) Text page 10 of Rep.NRDC-84,9,1955 . 2352600500013 Source of data mentioned as "J.F.Raffle, 2352600500014 unpublished (1954)" in Rep.NRDC-84,9,1955. 2352600500015 2(TABLE) Table VII and text page 10 of 2352600500016 Rep.NRDC-84,9,1955 . 2352600500017 ENDBIB 15 0 2352600500018 COMMON 1 3 2352600500019 EN 2352600500020 EV 2352600500021 0.0253 2352600500022 ENDCOMMON 3 0 2352600500023 DATA 6 1 2352600500024 DATA 1DATA-ERR 1DATA 2DATA-ERR 2MONIT 2MONIT-ERR 22352600500025 NO-DIM NO-DIM B B B B 2352600500026 1.33 0.04 971. 50. 731. 10. 2352600500027 ENDDATA 3 0 2352600500028 ENDSUBENT 27 0 2352600599999 SUBENT 23526006 20190604 22802352600600001 BIB 9 17 2352600600002 REACTION 1((94-PU-241(N,F),,SIG,,SPA)/(94-PU-239(N,F),,SIG,,SPA))2352600600003 2(94-PU-241(N,F),,SIG,,SPA) 2352600600004 MONITOR 2((MONIT)94-PU-239(N,F),,SIG) 2352600600005 MONIT-REF ((MONIT),P.A.Egelstaff+,R,NRDC-84,1,1955) Table VI 2352600600006 SAMPLE No information 2352600600007 INC-SPECT Thermal ~30 deg C neutrons 2352600600008 METHOD No information 2352600600009 ANALYSIS 2. Ratio value 1.362+-0.023 from rep.ANL-5397 was used 2352600600010 to obtain average ratio Pu241/Pu239 as 1.28+-0.06 2352600600011 and then thermal CS as 731 * 1.06 * 1.28 . 2352600600012 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2352600600013 article. 2352600600014 STATUS 1(TABLE) Text page 10 of Rep.NRDC-84,9,1955 . 2352600600015 Source of data mentioned as "J.F.Raffle, 2352600600016 unpublished (1954)" in R,NRDC-84,9,1955. 2352600600017 2(TABLE) Table VII and text page 10 of 2352600600018 Rep.NRDC-84,9,1955 . 2352600600019 ENDBIB 17 0 2352600600020 COMMON 1 3 2352600600021 KT-K 2352600600022 DEG-C 2352600600023 30. 2352600600024 ENDCOMMON 3 0 2352600600025 DATA 6 1 2352600600026 DATA 1DATA-ERR 1DATA 2DATA-ERR 2MONIT 2MONIT-ERR 22352600600027 NO-DIM NO-DIM B B B B 2352600600028 1.21 0.04 995. 52. 731. 10. 2352600600029 ENDDATA 3 0 2352600600030 ENDSUBENT 29 0 2352600699999 SUBENT 23526007 20190604 22802352600700001 BIB 9 13 2352600700002 REACTION 1((94-PU-241(N,F),,SIG,,SPA)/(94-PU-239(N,F),,SIG,,SPA))2352600700003 2(94-PU-241(N,F),,SIG,,SPA) 2352600700004 MONITOR ((MONIT)94-PU-239(N,F),,SIG) 2352600700005 MONIT-REF ((MONIT),P.A.Egelstaff+,R,NRDC-84,1,1955) Table VI 2352600700006 SAMPLE No information 2352600700007 INC-SPECT Pile neutrons, BEPO reactor 2352600700008 METHOD No information 2352600700009 ANALYSIS 2. CS was determined as 731 * 1.086 *1.36 . 2352600700010 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2352600700011 article. 2352600700012 STATUS (TABLE) Text page 10 of Rep.NRDC-84,9,1955 . 2352600700013 Source of data mentioned as "J.F.Raffle, 2352600700014 unpublished (1954)" in R,NRDC-84,9,1955. 2352600700015 ENDBIB 13 0 2352600700016 COMMON 1 3 2352600700017 EN-DUMMY 2352600700018 EV 2352600700019 0.0253 2352600700020 ENDCOMMON 3 0 2352600700021 DATA 6 1 2352600700022 DATA 1DATA-ERR 1DATA 2DATA-ERR 2MONIT 2MONIT-ERR 22352600700023 NO-DIM NO-DIM B B B B 2352600700024 1.36 0.04 1079. 57. 731. 10. 2352600700025 ENDDATA 3 0 2352600700026 ENDSUBENT 25 0 2352600799999 SUBENT 23526008 20190604 22802352600800001 BIB 6 11 2352600800002 REACTION 1(94-PU-242(N,0),,EN) 2352600800003 2(94-PU-242(N,TOT),,SIG,,RES) 2352600800004 FACILITY (CHOPF,2UK HAR) Fast chopper at Harwell 2352600800005 SAMPLE Mixtures of Pu isotopes. 2352600800006 ASSUMED (ASSUM,94-PU-242(N,TOT),,WID) From systematics. 2352600800007 ADD-RES Contribution of this resonance to 2200 m/sec CS 20b 2352600800008 is compared with BNL-325 value 30+-10 b for activation 2352600800009 CS with pile neutrons. 2352600800010 STATUS (TABLE) Text page 12 of Rep.NRDC-84,9,1955 . 2352600800011 Source of data mentioned as "P.A.Egelstaff,D.B.Gayther,2352600800012 unpublished (1955)" in R,NRDC-84,9,1955. 2352600800013 ENDBIB 11 0 2352600800014 NOCOMMON 0 0 2352600800015 DATA 3 1 2352600800016 DATA 1DATA-APRX 2ASSUM 2352600800017 EV B MILLI-EV 2352600800018 2.7 40000. 40. 2352600800019 ENDDATA 3 0 2352600800020 ENDSUBENT 19 0 2352600899999 ENDENTRY 8 0 2352699999999