ENTRY 10097 19991013 00001009700000001 SUBENT 10097001 19991013 00001009700100001 BIB 14 42 1009700100002 INSTITUTE (1USAGA ) 1009700100003 REFERENCE (J,NSE,42,352,197012) 1009700100004 AUTHOR (V.J.ORPHAN,C.G.HOOT,J.JOHN) 1009700100005 TITLE Gamma-ray production cross sections for the 1009700100006 O16 (n,x gamma) reaction from 6.35- to 16.52-mev 1009700100007 neutron energy 1009700100008 FACILITY (LINAC) Pulsed 55 MeV electron linear accelerator. 1009700100009 Pulse width 50 nsec, repitition rate 520 pps. 1009700100010 INC-SOURCE (EVAP) Evaporation spectrum from Ta-Be target. 1009700100011 SAMPLE Ring-shaped scattering sample of D2O (25.4 cm i.d., 1009700100012 50.8 cm o.d., and 5.7 cm thick) enclosed in plexiglas 1009700100013 Container, 0.32 cm thick. 1009700100014 METHOD (TOF) Time-of-flight 1009700100015 DETECTOR (GELI) 30 cc Ge(Li) gamma detector 1009700100016 (SCIN) Flux monitored by calibrated proton-recoil 1009700100017 scintillator (NE-211), 2 in diameter by 2 in long. 1009700100018 50-m evaluated flight path. Ring scatterer centered on1009700100019 flight path axis. Ge(Li) detector positioned at an 1009700100020 angle of approximately 125 deg, but sample dimensions 1009700100021 resulted in subtended angle range from 112 to 142 deg.1009700100022 MONITOR Absolute Ge(Li) efficiency determined with 1009700100023 calibrated (+-3%) radioactive sources. Relative 1009700100024 efficiency curve shape obtained from known relative 1009700100025 intensities of gammas from thermal capture in Fe and 1009700100026 Cl. 1009700100027 CORRECTION Corrected for multiple scattering flux attenuation 1009700100028 and for gamma attenuation in the sample. 1009700100029 ERR-ANALYS Following errors estimated: 1009700100030 Absolute neutron flux about 10% 1009700100031 Ge(Li) efficiency - below 2.7 MeV about 5% 1009700100032 - above 2.7 MeV about 10% 1009700100033 Flux attenuation and multiple 1009700100034 Scattering <5% 1009700100035 Gamma attenuation in sample <2% 1009700100036 Overall uncertainty, apart from counting statistics, 11009700100037 about 15%. 1009700100038 STATUS (APRVD) Approved by author 1009700100039 HISTORY (19710811C) 1009700100040 (19811216A) Converted to reaction formalism 1009700100041 (19840419A) Bib corrections. 1009700100042 (19940215A) Converted to lower case 1009700100043 (19991013A) Converted to new date formalism. 1009700100044 ENDBIB 42 0 1009700100045 NOCOMMON 0 0 1009700100046 ENDSUBENT 45 0 1009700199999 SUBENT 10097002 19991013 00001009700200001 BIB 2 2 1009700200002 REACTION (8-O-16(N,INL)8-O-16,PAR,DA,G) 1009700200003 HISTORY (19811216A) SUBENTRIES 2,3,8-10 COMBINED 1009700200004 ENDBIB 2 0 1009700200005 COMMON 1 3 1009700200006 ANG 1009700200007 ADEG 1009700200008 125. 1009700200009 ENDCOMMON 3 0 1009700200010 DATA 6 35 1009700200011 E EN-MIN EN-MAX DATA DATA-ERR DATA-MAX 1009700200012 MEV MEV MEV MB/SR PER-CENT MB/SR 1009700200013 1.76 9.68 11.12 0.2 100. 1009700200014 1.76 11.12 12.91 0.4 75. 1009700200015 1.76 12.91 13.97 0.4 75. 1009700200016 1.76 13.97 16.52 0.5 75. 1009700200017 2.743 9.68 11.12 1.4 40. 1009700200018 2.743 11.12 12.91 2.4 30. 1009700200019 2.743 12.91 13.97 2.5 40. 1009700200020 2.743 13.97 16.52 2.8 30. 1009700200021 6.129 6.35 7.10 2.6 20. 1009700200022 6.129 7.10 7.53 6.2 20. 1009700200023 6.129 7.53 7.99 8.7 20. 1009700200024 6.129 7.99 8.50 9.5 20. 1009700200025 6.129 8.50 9.06 10.5 20. 1009700200026 6.129 9.06 9.68 8.1 20. 1009700200027 6.129 9.68 11.12 8.1 20. 1009700200028 6.129 11.12 12.91 7.6 20. 1009700200029 6.129 12.91 13.97 7.5 20. 1009700200030 6.129 13.97 16.52 5.9 20. 1009700200031 6.92 7.10 7.53 0.6 1009700200032 6.92 7.53 7.99 1.6 30. 1009700200033 6.92 7.99 8.50 1.7 30. 1009700200034 6.92 8.50 9.06 2.3 20. 1009700200035 6.92 9.06 9.68 1.9 30. 1009700200036 6.92 9.68 11.12 2.3 20. 1009700200037 6.92 11.12 12.91 2.2 20. 1009700200038 6.92 12.91 13.97 2.8 30. 1009700200039 6.92 13.97 16.52 2.4 30. 1009700200040 7.117 7.53 7.99 0.6 1009700200041 7.117 7.99 8.50 1.9 30. 1009700200042 7.117 8.50 9.06 2.0 20. 1009700200043 7.117 9.06 9.68 3.0 20. 1009700200044 7.117 9.68 11.12 2.9 20. 1009700200045 7.117 11.12 12.91 2.8 20. 1009700200046 7.117 12.91 13.97 2.9 30. 1009700200047 7.117 13.97 16.52 2.6 30. 1009700200048 ENDDATA 37 0 1009700200049 ENDSUBENT 48 0 1009700299999 NOSUBENT 10097003 19811216 00001009700300001 SUBENT 10097004 19991013 00001009700400001 BIB 2 3 1009700400002 REACTION (8-O-16(N,X)6-C-13,PAR,DA,G) 1009700400003 HISTORY (19811216A) SUBENTRIES 4 - 6 COMBINED 1009700400004 (19840809A) REACTION CORRECTED. 1009700400005 ENDBIB 3 0 1009700400006 COMMON 1 3 1009700400007 ANG 1009700400008 ADEG 1009700400009 125. 1009700400010 ENDCOMMON 3 0 1009700400011 DATA 6 30 1009700400012 E EN-MIN EN-MAX DATA DATA-ERR DATA-MAX 1009700400013 MEV MEV MEV MB/SR PER-CENT MB/SR 1009700400014 3.085 6.35 7.10 0.2 1009700400015 3.085 7.10 7.53 0.5 1009700400016 3.085 7.53 7.99 0.7 1009700400017 3.085 7.99 8.50 1.5 40. 1009700400018 3.085 8.50 9.06 3.4 40. 1009700400019 3.085 9.06 9.68 3.0 40. 1009700400020 3.085 9.68 11.12 2.7 40. 1009700400021 3.085 11.12 12.91 1.0 75. 1009700400022 3.085 12.91 13.97 1.7 75. 1009700400023 3.085 13.97 16.52 0.7 75. 1009700400024 3.68 6.35 7.10 0.4 1009700400025 3.68 7.10 7.53 0.9 1009700400026 3.68 7.53 7.99 0.8 1009700400027 3.68 7.99 8.50 3.1 30. 1009700400028 3.68 8.50 9.06 3.0 30. 1009700400029 3.68 9.06 9.68 5.0 30. 1009700400030 3.68 9.68 11.12 5.3 20. 1009700400031 3.68 11.12 12.91 5.4 30. 1009700400032 3.68 12.91 13.97 3.6 40. 1009700400033 3.68 13.97 16.52 2.9 40. 1009700400034 3.85 6.35 7.10 0.1 1009700400035 3.85 7.10 7.53 0.2 1009700400036 3.85 7.53 7.99 0.2 1009700400037 3.85 7.99 8.50 1.1 50. 1009700400038 3.85 8.50 9.06 2.3 30. 1009700400039 3.85 9.06 9.68 1.1 40. 1009700400040 3.85 9.68 11.12 2.3 30. 1009700400041 3.85 11.12 12.91 2.2 30. 1009700400042 3.85 12.91 13.97 1.5 50. 1009700400043 3.85 13.97 16.52 1.4 50. 1009700400044 ENDDATA 32 0 1009700400045 ENDSUBENT 44 0 1009700499999 NOSUBENT 10097005 19811216 00001009700500001 NOSUBENT 10097006 19811216 00001009700600001 SUBENT 10097007 19991013 00001009700700001 BIB 2 2 1009700700002 REACTION (8-O-16(N,X)6-C-12,PAR,DA,G) 1009700700003 HISTORY (19840809A) REACTION CORRECTED. 1009700700004 ENDBIB 2 0 1009700700005 COMMON 2 3 1009700700006 ANG E 1009700700007 ADEG MEV 1009700700008 125. 4.44 1009700700009 ENDCOMMON 3 0 1009700700010 DATA 4 2 1009700700011 EN-MIN EN-MAX DATA DATA-ERR 1009700700012 MEV MEV MB/SR PER-CENT 1009700700013 12.91 13.97 1.5 100. 1009700700014 13.97 16.52 2.2 75. 1009700700015 ENDDATA 4 0 1009700700016 ENDSUBENT 15 0 1009700799999 NOSUBENT 10097008 19811216 00001009700800001 NOSUBENT 10097009 19811216 00001009700900001 NOSUBENT 10097010 19811216 00001009701000001 SUBENT 10097011 19991013 00001009701100001 BIB 5 9 1009701100002 REACTION (8-O-16(N,INL)8-O-16,,SIG) 1009701100003 ANALYSIS From sum of inelastic gamma values times 4 pi at 125 1009701100004 degrees, P2 legendre polynomial = 0. 1009701100005 CORRECTION Does not include correction for levels which decay by 1009701100006 modes other than gamma rays. 1009701100007 STATUS (DEP,10097002) 1009701100008 HISTORY (19861023A) Reaction corrected. 1009701100009 (19870605A) Reaction, bib corrected. 1009701100010 (19940215A) Added subentry cross reference to status 1009701100011 ENDBIB 9 0 1009701100012 NOCOMMON 0 0 1009701100013 DATA 4 3 1009701100014 EN-MIN EN-MAX DATA DATA-ERR 1009701100015 MEV MEV MB MB 1009701100016 11.12 12.91 161. 21. 1009701100017 12.91 13.97 168. 24. 1009701100018 13.97 16.52 141. 20. 1009701100019 ENDDATA 5 0 1009701100020 ENDSUBENT 19 0 1009701199999 ENDENTRY 11 0 1009799999999