ENTRY 12810 19860408 00001281000000001 SUBENT 12810001 19860408 00001281000100001 BIB 15 41 1281000100002 INSTITUTE (1USAORL) 1281000100003 REFERENCE (J,NSE,84,12,8305) 1281000100004 (R,ORNL-TM-8514,83) 1281000100005 AUTHOR (Z.W.BELL,J.K.DICKENS,D.C.LARSON,J.H.TODD) 1281000100006 TITLE NEUTRON-INDUCED GAMMA-RAY PRODUCTION IN 57-FE FOR 1281000100007 INCIDENT NEUTRON ENERGIES BETWEEN 0.16 AND 21 MEV 1281000100008 FACILITY (LINAC) ORELA 1281000100009 INC-SOURCE (PHOTO) BREMSSTRAHLUNG FROM TANTALUM TARGET 1281000100010 METHOD (TOF) 22.19 METER FLIGHT PATH 1281000100011 DETECTOR (GELI) APPROX 100 CC ACTIVE VOLUME ,WELL SHIELDED, 1281000100012 LOCATED 40 CM FROM SAMPLE CENTER FOR PHOTON DETECTION1281000100013 (SCIN) 3 NE-110 SCINTILLATORS, 3, 6, AND 12 MM THICK 1281000100014 USED AS FLUX MONITORS 1281000100015 MONITOR ABSOLUTE MEASUREMENT. DETECTOR EFFICIENCIES CALIBRATED 1281000100016 USING STANDARD SOURCES BETWEEN 0.6 AND 1.836 MEV. 1281000100017 ABOVE 1.5 MEV, THERMAL NEUTRON CAPTURE GAMMA RAYS FROM 1281000100018 CHLORINE WERE USED. INCIDENT NEUTRON FLUX DETERMINED 1281000100019 FROM NE-110 SCINTILLATORS USING O5S MONTE CARLO CODE 1281000100020 CALCULATIONS. 1281000100021 SAMPLE 7.12 GR GRANULAR IRON METAL 57-FE CONTAINING BY PERCENT1281000100022 54-FE 0.14 +- .01 1281000100023 56-FE 6.42 +- .02 1281000100024 57-FE 93.38 +- .02 1281000100025 58-FE 0.06 +- .01 1281000100026 IMPURITIES OF LESS THAN .1 PERCENT AL, SI, CU AND NA 1281000100027 WERE DETERMINED BY SPECTROGRAPHIC ANALYSIS. FE WAS 1281000100028 ENCAPSULED IN 1.29 GR OF POLYETHYLENE. 1281000100029 CORRECTION DATA WERE CORRECTED FOR DETECTOR EFFICIENCY, BACK- 1281000100030 GROUND, MULTIPLE SCATTERING AND GAMMA-RAY ATTENUATION.1281000100031 ANALYSIS CROSS SECTIONS ARE TO GOOD APPROXIMATION 4*PI* 1281000100032 DSIGMA/DOMEGA MEASURED AT 125 DEGREES. 1281000100033 ERR-ANALYS (DATA-ERR) TOTAL ERROR EXCEPT FOR 5.5 PERCENT 1281000100034 NORMALIZATION UNCERTAINTY. ERROR INCLUDES 1281000100035 STATISTICAL UNCERTAINTY 1281000100036 GAMMA-RAY ATTENUATION UNCERTAINTY 1281000100037 MULTIPLE-SCATTERING CORRECTION 1281000100038 DETECTOR EFFICIENCY CALIBRATION UNCERTAINTY 1281000100039 BEAM FLUENCE UNCERTAINTY. 1281000100040 STATUS (APRVD) J.K.DICKENS, 83/6/27. 1281000100041 HISTORY (830525C) 1281000100042 (860408C) BIB CORRECTION. 1281000100043 ENDBIB 41 0 1281000100044 NOCOMMON 0 0 1281000100045 ENDSUBENT 44 0 1281000199999 SUBENT 12810004 19860408 00001281000400001 BIB 3 9 1281000400002 REACTION (26-FE-57(N,X)0-G-0,PAR,SIG) 1281000400003 FLAG (1.) ASSIGNED TO N,2N REACTION. 1281000400004 (2.) ASSIGNED TO N,G REACTION. 1281000400005 (3.) ASSIGNED TO N,P REACTION. 1281000400006 (4.) ASSIGNED TO N,A REACTION. 1281000400007 (5.) TENTATIVELY ASSIGNED TO N,A REACTION. 1281000400008 (6.) ASSIGNED TO N,2N REACTION AFTER 9 MB SUBTRACTED 1281000400009 FOR ESTIMATED CONTRIBUTION FROM (N,N' GAMMA). 1281000400010 HISTORY (860408A) SAN 5,6,7 COMBINED WITH SAN 4. BIB UPDATE. 1281000400011 ENDBIB 9 0 1281000400012 NOCOMMON 0 0 1281000400013 DATA 6 32 1281000400014 E EN-MIN EN-MAX DATA DATA-ERR FLAG 1281000400015 KEV MEV MEV MB MB NO-DIM 1281000400016 367.4 13.2 16.6 17. 6. 6. 1281000400017 810.8 0.158 0.337 3.9 1.0 2. 1281000400018 834.9 8.9 10.7 31. 9. 4. 1281000400019 834.9 10.7 13.2 62. 15. 4. 1281000400020 834.9 13.2 16.6 89. 18. 4. 1281000400021 834.9 16.6 21.5 69. 18. 4. 1281000400022 846.8 8.9 10.7 292. 24. 1. 1281000400023 846.8 10.7 13.2 762. 48. 1. 1281000400024 846.8 13.2 16.6 1071. 59. 1. 1281000400025 846.8 16.6 21.5 979. 62. 1. 1281000400026 850.6 7.5 8.9 14.5 4.6 3. 1281000400027 988.7 10.7 13.2 38. 9. 4. 1281000400028 988.7 13.2 16.6 47. 10. 4. 1281000400029 988.7 16.6 21.5 22. 12. 4. 1281000400030 1037.8 13.2 16.6 61. 14. 1. 1281000400031 1238.3 8.9 10.7 5. 8. 1. 1281000400032 1238.3 10.7 13.2 227. 22. 1. 1281000400033 1238.3 13.2 16.6 451. 36. 1. 1281000400034 1238.3 16.6 21.5 548. 48. 1. 1281000400035 1303.5 13.2 16.6 117. 16. 1. 1281000400036 1303.5 16.6 21.5 161. 22. 1. 1281000400037 1670.7 13.2 16.6 53. 11. 1. 1281000400038 1670.7 16.6 21.5 104. 23. 1. 1281000400039 1680.4 5.05 6.09 8.7 4.4 5. 1281000400040 1680.4 6.09 7.50 17.1 4.2 5. 1281000400041 1680.4 7.5 8.9 19.5 6.5 5. 1281000400042 1680.4 8.9 10.2 24.9 4.8 5. 1281000400043 1680.4 10.2 13.2 38. 11. 5. 1281000400044 1810.7 13.2 16.6 33. 17. 1. 1281000400045 1810.7 16.6 21.5 62. 21. 1. 1281000400046 2113.0 13.2 16.6 41. 17. 1. 1281000400047 2113.0 16.6 21.5 41. 22. 1. 1281000400048 ENDDATA 34 0 1281000400049 ENDSUBENT 48 0 1281000499999 NOSUBENT 12810005 19860408 00001281000500001 NOSUBENT 12810006 19860408 00001281000600001 NOSUBENT 12810007 19860408 00001281000700001 ENDENTRY 5 0 1281099999999