ENTRY 12906 19860528 00001290600000001 SUBENT 12906001 19860528 00001290600100001 BIB 12 38 1290600100002 INSTITUTE (1USAORL) 1290600100003 REFERENCE (J,NSE,87,381,8408) 1290600100004 (R,ORNL-TM-6246,7805) 1290600100005 AUTHOR (R.GWIN,R.R.SPENCER,R.W.INGLE) 1290600100006 TITLE MEASUREMENTS OF THE ENERGY DEPENDENCE OF PROMPT NEUTRON1290600100007 EMISSION FROM 233-U, 235-U, 239-PU AND 241-PU FOR E(N)=1290600100008 0.005 TO 10 EV RELATIVE TO EMISSION FROM SPONTANEOUS 1290600100009 FISSION OF 252-CF. 1290600100010 FACILITY (LINAC) OAK RIDGE ELECTRON LINEAR ACCELERATOR 1290600100011 METHOD (TOF). 21.6-M FLIGHT PATH. 1290600100012 DETECTOR (SCIN,FISCH)A GADOLINIUM-LOADED LIQUID SCINTILLATOR 1290600100013 (WITH AN EFFICIENCY OF ABOUT 83PERCENT) WAS USED TO 1290600100014 DETECT FISSION NEUTRONS. 1290600100015 A FISSION CHAMBER (EFFICIENCY 95 PERCENT) WAS USED TO 1290600100016 DEFINE FISSION EVENTS. 1290600100017 SAMPLE THE FISSILE ISOTOPES WERE DEPOSITED ON ALUMINUM DISCS 1290600100018 TO A SURFACE DENSITY OF 1+-.3 GRAM/M. 1290600100019 CORRECTION A .25PERCENT UNCERTAINTY IS APPLIED TO RATIOS DUE TO 1290600100020 DISCREPANT RESULTS FROM USING 2 CF252 FISSION CHAMBERS 1290600100021 CORRECTIONS FOR FALSE FISSIONS AND FOR DISPLACEMENT 1290600100022 OF THE FISSION SAMPLES FROM THE CENTER OF THE LIQUID 1290600100023 SCINTILLATOR. 1290600100024 CORRECTIONS FOR BACKGROUNDS IN THE NEUTRON DETECTOR, 1290600100025 PULSE PILE UP AND FISSION SPECTRUM DIFFERENCES. 1290600100026 ERR-ANALYS (ERR-S) STATISTICAL UNCERTAINTY. 1290600100027 (ERR-1) SYSTEMATIC UNCERTAINTY UNCORRELATED AMONG DATA 1290600100028 SETS. 1290600100029 (ERR-2) SYSTEMATIC UNCERTAINTY DUE TO 1290600100030 - GREATER SENSITIVITY OF DATA TO FISSION NEUTRON 1290600100031 ENERGY SPECTRA AND TO DELAYED GAMMA RAYS FROM 1290600100032 FISSION. 1290600100033 - GEOMETRIC EFFECTS. 1290600100034 (ERR-T) TOTAL UNCERTAINTY. 1290600100035 STATUS DATA BELOW 10.0 EV FROM DATA SET 1 OF TABALE III IN 1290600100036 NSE 87,381. 1290600100037 (APRVD) R GWIN, 84/3/2. 1290600100038 HISTORY (841009C) MOVED FROM 10759 1290600100039 (860528A) BIB UPDATE. 1290600100040 ENDBIB 38 0 1290600100041 NOCOMMON 0 0 1290600100042 ENDSUBENT 41 0 1290600199999 SUBENT 12906002 19841009 00001290600200001 BIB 2 4 1290600200002 REACTION ((94-PU-239(N,F),PR,NU,,AV)/(98-CF-252(0,F),PR,NU,,AV))1290600200003 CORRECTION REVISED DATA INCLUDE ADDITIONAL CORRECTIONS FOR PROMPT 1290600200004 FISSION NEUTRON SPECTRA DIFFERENCES (CORRECTION FACTOR1290600200005 0.9986), 252-CF STANDARD SOURCE AND GEOMETRY. 1290600200006 ENDBIB 4 0 1290600200007 NOCOMMON 0 0 1290600200008 DATA 7 15 1290600200009 EN-MIN EN-MAX DATA ERR-S ERR-T ERR-1 1290600200010 ERR-2 1290600200011 EV EV NO-DIM NO-DIM NO-DIM PER-CENT 1290600200012 PER-CENT 1290600200013 0.005 0.01 0.7651 0.0009 0.16 1290600200014 0.12 1290600200015 0.01 0.02 0.7644 0.0006 0.16 1290600200016 0.12 1290600200017 0.02 0.05 0.7651 0.0005 0.16 1290600200018 0.12 1290600200019 0.05 0.1 0.7629 0.0004 0.16 1290600200020 0.12 1290600200021 0.10 0.20 0.7602 0.0004 0.16 1290600200022 0.12 1290600200023 0.20 0.30 0.7590 0.0003 0.16 1290600200024 0.12 1290600200025 0.3 0.4 0.7596 0.0004 0.16 1290600200026 0.12 1290600200027 0.40 0.5 0.7632 0.0016 0.16 1290600200028 0.12 1290600200029 0.5 1.0 0.7628 0.0013 0.16 1290600200030 0.12 1290600200031 1.0 10. 0.7619 0.0015 0.16 1290600200032 0.12 1290600200033 10. 15. 0.7610 0.0012 0.12 1290600200034 0.14 1290600200035 15. 20.5 0.7598 0.0024 0.12 1290600200036 0.14 1290600200037 20.5 33. 0.7609 0.0023 0.12 1290600200038 0.14 1290600200039 33. 41. 0.7604 0.0065 0.12 1290600200040 0.14 1290600200041 41. 60. 0.7632 0.0021 0.12 1290600200042 0.14 1290600200043 ENDDATA 34 0 1290600200044 ENDSUBENT 43 0 1290600299999 SUBENT 12906003 19841009 00001290600300001 BIB 2 4 1290600300002 REACTION ((92-U-235(N,F),PR,NU,,AV)/(98-CF-252(0,F),PR,NU,,AV)) 1290600300003 CORRECTION REVISED DATA INCLUDE ADDITIONAL CORRECTIONS FOR PROMPT 1290600300004 FISSION NEUTRON SPECTRA DIFFERENCES (CORRECTION FACTOR1290600300005 0.9980), 252-CF STANDARD SOURCE AND GEOMETRY. 1290600300006 ENDBIB 4 0 1290600300007 NOCOMMON 0 0 1290600300008 DATA 7 15 1290600300009 EN-MIN EN-MAX DATA ERR-S ERR-T ERR-1 1290600300010 ERR-2 1290600300011 EV EV NO-DIM NO-DIM NO-DIM PER-CENT 1290600300012 PER-CENT 1290600300013 0.005 0.01 0.6467 0.0014 0.12 1290600300014 0.12 1290600300015 0.01 0.02 0.6428 0.0009 0.12 1290600300016 0.12 1290600300017 0.02 0.05 0.6439 0.0005 0.12 1290600300018 0.12 1290600300019 0.05 0.1 0.6438 0.0008 0.12 1290600300020 0.12 1290600300021 0.10 0.20 0.6426 0.0009 0.12 1290600300022 0.12 1290600300023 0.20 0.30 0.6440 0.0013 0.12 1290600300024 0.12 1290600300025 0.3 0.4 0.6434 0.0018 0.12 1290600300026 0.12 1290600300027 0.40 0.5 0.6417 0.0027 0.12 1290600300028 0.12 1290600300029 0.5 1.0 0.6488 0.0019 0.12 1290600300030 0.12 1290600300031 1.0 10. 0.6429 0.0014 0.12 1290600300032 0.12 1290600300033 10. 15. 0.6333 0.0028 0.10 1290600300034 0.14 1290600300035 15. 20.5 0.6365 0.0027 0.10 1290600300036 0.14 1290600300037 20.5 33. 0.6446 0.0027 0.10 1290600300038 0.14 1290600300039 33. 41. 0.6437 0.0034 0.10 1290600300040 0.14 1290600300041 41. 60. 0.6434 0.0030 0.10 1290600300042 0.14 1290600300043 ENDDATA 34 0 1290600300044 ENDSUBENT 43 0 1290600399999 ENDENTRY 3 0 1290699999999