ENTRY 10878 20200229 14641087800000001 SUBENT 10878001 20200229 14641087800100001 BIB 6 9 1087800100002 INSTITUTE (1USAANL,1USAORL) 1087800100003 REFERENCE (J,PR/C,9,346,1974) 1087800100004 AUTHOR (R.E.Toohey,H.E.Jackson) 1087800100005 TITLE Valence component in the threshold photoneutron 1087800100006 spectrum of Zr-91 1087800100007 STATUS (APRVD) Approved by R.E.Toohey, 79/7/30. 1087800100008 HISTORY (19790529C) 1087800100009 (20200204U) OS. Converted to lower case, many minor BIB1087800100010 changes 1087800100011 ENDBIB 9 0 1087800100012 NOCOMMON 0 0 1087800100013 ENDSUBENT 12 0 1087800199999 SUBENT 10878002 20200229 14641087800200001 BIB 11 18 1087800200002 REACTION 1(40-ZR-90(N,0),,EN) 1087800200003 2(40-ZR-90(N,0),,J) 1087800200004 3(40-ZR-90(N,0),,PTY) 1087800200005 4(40-ZR-90(N,G),,WID) 1087800200006 ANALYSIS Data obtained from inverse of Zr-90(n,gamma) reaction 1087800200007 FACILITY (LINAC,1USAANL) High current linear accelerator, 1087800200008 threshold photoneutron facility 1087800200009 SAMPLE (40-ZR-91,ENR=0.892) 30.6-gms, 2.0-cm diameter by 1087800200010 1.5-cm thick, enriched to 89.2% Zr-91. 1087800200011 METHOD (TOF) Time of flight with 9-meter flight path 1087800200012 DETECTOR (SCIN) Six Li-6 glass scintillator 1087800200013 MONITOR Data normalized to area of 41-keV resonance in Pb-208. 1087800200014 CORRECTION Corrected for bremsstrahlung intensity, detector 1087800200015 efficiency, and recoil effects. 1087800200016 ERR-ANALYS (DATA-ERR) Quoted error is estimated. Error due to 1087800200017 uncertainty in bremsstrahlung intensity and low yields.1087800200018 FLAG (1.) Energy is not well resolved 1087800200019 STATUS (TABLE) Table I, Phys.Rev.C9,346,1974 1087800200020 ENDBIB 18 0 1087800200021 COMMON 1 3 1087800200022 DATA-ERR 4 1087800200023 PER-CENT 1087800200024 20. 1087800200025 ENDCOMMON 3 0 1087800200026 DATA 5 40 1087800200027 DATA 1DATA 2DATA 3DATA 4FLAG 1087800200028 KEV NO-DIM NO-DIM EV NO-DIM 1087800200029 7.23 1.5 -1. 0.10 1087800200030 26.46 1.5 -1. 0.12 1087800200031 28.7 1.5 -1. 0.02 1087800200032 35.2 0.5 1. 0.06 1087800200033 39.3 1.5 -1. 0.05 1087800200034 40.5 1.5 -1. 0.21 1. 1087800200035 41.3 1.5 -1. 0.63 1. 1087800200036 44.7 1.5 -1. 0.05 1087800200037 61.7 1.5 -1. 0.05 1087800200038 65.1 1.5 -1. 0.16 1087800200039 68.4 1.5 -1. 0.11 1087800200040 72.8 1.5 -1. 0.02 1087800200041 75.8 1.5 -1. 0.04 1087800200042 82.2 1.5 -1. 0.07 1087800200043 87.1 0.5 1. 0.07 1087800200044 92.5 1.5 -1. 0.05 1087800200045 95.7 1.5 -1. 0.03 1. 1087800200046 97.2 1.5 -1. 0.10 1. 1087800200047 100.4 1.5 -1. 0.03 1087800200048 105.1 1.5 -1. 0.28 1087800200049 109.0 1.5 -1. 0.04 1087800200050 110.0 1.5 -1. 0.33 1087800200051 119.6 1.5 -1. 0.05 1087800200052 126.3 0.5 1. 0.05 1087800200053 130.0 1.5 -1. 0.23 1087800200054 133.7 1.5 -1. 0.33 1087800200055 138.8 1.5 -1. 0.12 1087800200056 145.2 1.5 -1. 0.08 1087800200057 155.6 1.5 -1. 0.17 1087800200058 161.8 1.5 -1. 0.11 1087800200059 165.9 1.5 -1. 0.26 1087800200060 171.6 1.5 -1. 0.28 1087800200061 176.7 1.5 -1. 0.57 1087800200062 180.7 1.5 -1. 0.01 1087800200063 184.1 1.5 -1. 0.11 1087800200064 189.4 1.5 -1. 0.11 1087800200065 199.1 0.5 1. 0.21 1087800200066 209.9 1.5 -1. 0.11 1087800200067 213.4 1.5 -1. 0.09 1087800200068 220.4 1.5 -1. 0.37 1087800200069 ENDDATA 42 0 1087800200070 ENDSUBENT 69 0 1087800299999 SUBENT 10878003 20200229 14641087800300001 BIB 10 18 1087800300002 REACTION 1(40-ZR-90(N,0),,EN) 1087800300003 2(40-ZR-90(N,0),,L) 1087800300004 3(40-ZR-90(N,0),,J) 1087800300005 4(40-ZR-90(N,EL),,WID) 1087800300006 5(40-ZR-90(N,EL),,WID/RED) 1087800300007 FACILITY (LINAC,1USAORL) Oak Ridge electron linear accelerator 1087800300008 SAMPLE (40-ZR-90,ENR=0.977) 37.6-gms, 1.97-cm diameter, 1087800300009 1.94-cm thick, enriched to 97.7% Zr-90. 1087800300010 METHOD (TOF) Time of flight with 80 and 200-meter flight 1087800300011 paths. Runs made with natural sample in order to 1087800300012 correct data for resonances created by contaminants. 1087800300013 DETECTOR (SCIN) Li-6 glass or plastic scintillators. 1087800300014 MONITOR No information 1087800300015 CORRECTION Corrected for resolution effects. S-wave areas correct-1087800300016 ed for non-zero hard sphere scattering phase shifts. 1087800300017 ERR-ANALYS No-information 1087800300018 STATUS (TABLE) Tables II, IV, Phys.Rev.C9,346,1974 1087800300019 HISTORY (19800131A) Data corrected 1087800300020 ENDBIB 18 0 1087800300021 COMMON 1 3 1087800300022 EN-RSL 1087800300023 PER-CENT 1087800300024 0.01 1087800300025 ENDCOMMON 3 0 1087800300026 DATA 5 58 1087800300027 DATA 1DATA 2DATA 3DATA 4DATA 5 1087800300028 KEV NO-DIM NO-DIM EV EV 1087800300029 3.86 0. 0.5 9.7 0.2 1087800300030 7.25 1. 1.5 2.9 2.3 1087800300031 13.4 0. 0.5 51.6 0.4 1087800300032 17.4 0. 0.5 195.2 1.5 1087800300033 26.46 1. 1.5 3.6 0.4 1087800300034 28.8 1. 1.5 1.2 0.1 1087800300035 35.4 0. 0.5 68.7 0.4 1087800300036 39.5 1. 1.5 1.2 0.1 1087800300037 40.4 1. 1.5 31.3 1.9 1087800300038 41.3 1. 1.5 195.0 11.4 1087800300039 42.4 0. 0.5 278.7 1.4 1087800300040 44.6 1. 1.5 73.2 3.8 1087800300041 52.4 0. 0.5 18.3 0.1 1087800300042 59.0 0. 0.5 325.4 1.3 1087800300043 61.9 1. 1.5 0.7 0.02 1087800300044 65.3 1. 1.5 116.3 3.4 1087800300045 68.5 1. 1.5 1.0 0.03 1087800300046 70.8 0. 0.5 147.4 0.6 1087800300047 72.5 1. 1.5 144.4 3.6 1087800300048 73.5 0. 0.5 288.9 1.0 1087800300049 74.5 1. 1.5 13.7 0.3 1087800300050 82.1 1. 1.5 104.6 2.2 1087800300051 85.8 0. 0.5 25.0 0.2 1087800300052 90.4 0. 0.5 14.3 0.1 1087800300053 92.9 1. 1.5 2.5 0.04 1087800300054 95.8 1. 1.5 7.8 0.1 1087800300055 97.3 1. 1.5 17.7 0.3 1087800300056 99.1 1. 1.5 2.5 0.04 1087800300057 105.6 1. 1.5 122.4 1.7 1087800300058 109.3 1. 1.5 49.8 0.7 1087800300059 110.3 1. 1.5 66.0 0.9 1087800300060 114.4 0. 0.5 124.0 0.4 1087800300061 119.0 1. 1.5 59.6 0.7 1087800300062 127.3 1. 1.5 216.3 2.3 1087800300063 129.8 0. 0.5 91.3 0.2 1087800300064 134.2 1. 1.5 138.1 1.4 1087800300065 139.0 1. 1.5 8.2 0.1 1087800300066 144.6 0. 0.5 1087800300067 145.3 1. 1.5 70.6 0.6 1087800300068 151.6 0. 0.5 1087800300069 156.1 1. 1.5 1220.6 9.7 1087800300070 163.4 1. 1.5 240.4 1.8 1087800300071 164.7 0. 0.5 1087800300072 166.5 1. 1.5 439.7 3.2 1087800300073 169.2 0. 0.5 1087800300074 172.6 1. 1.5 266.6 1.8 1087800300075 176.3 0. 0.5 1087800300076 177.7 1. 1.5 580.6 3.8 1087800300077 181.6 1. 1.5 262.7 1.7 1087800300078 184.3 1. 1.5 387.9 2.4 1087800300079 186.3 0. 0.5 1087800300080 190.1 1. 1.5 70.8 0.4 1087800300081 193.2 0. 0.5 1087800300082 198.7 0. 0.5 1087800300083 211.4 1. 1.5 254.7 1.3 1087800300084 215.2 1. 1.5 202.6 1.0 1087800300085 219.3 0. 0.5 1087800300086 220.3 1. 1.5 1258.2 6.0 1087800300087 ENDDATA 60 0 1087800300088 ENDSUBENT 87 0 1087800399999 SUBENT 10878004 20200229 14641087800400001 BIB 9 13 1087800400002 REACTION (40-ZR-90(N,EL),,STF) 1087800400003 FACILITY (LINAC,1USAORL) Oak Ridge electron linear accelerator 1087800400004 SAMPLE (40-ZR-90,ENR=0.977) 37.6-gms, 1.97-cm diameter, 1087800400005 1.94-cm thick, enriched to 97.7% Zr-90. 1087800400006 DETECTOR (SCIN) Li-6 glass or plastic scintillators 1087800400007 MONITOR No information 1087800400008 METHOD (TOF) Time of flight with 80 and 200-meter flight 1087800400009 paths. Runs made with natural sample in order to 1087800400010 correct data for resonances created by contaminants. 1087800400011 CORRECTION Corrected for resolution effects. S-wave areas correct-1087800400012 ed for non-zero hard sphere scattering phase shifts. 1087800400013 ERR-ANALYS (DATA-ERR) No information on sources of uncertainty 1087800400014 STATUS (TABLE) p.356, Phys.Rev.C9,346,1974 1087800400015 ENDBIB 13 0 1087800400016 NOCOMMON 0 0 1087800400017 DATA 5 2 1087800400018 EN-RES-MIN EN-RES-MAX MOMENTUM L DATA DATA-ERR 1087800400019 KEV KEV NO-DIM NO-DIM NO-DIM 1087800400020 3.86 129.8 0. 6.2 E-05 1.2 E-05 1087800400021 4.01 220.3 1. 3.2 E-04 9.0 E-05 1087800400022 ENDDATA 4 0 1087800400023 ENDSUBENT 22 0 1087800499999 SUBENT 10878005 20200229 14641087800500001 BIB 11 15 1087800500002 REACTION (40-ZR-90(N,G),,STF) 1087800500003 ANALYSIS From inverse of Zr-90(n,gamma) reaction 1087800500004 FACILITY (LINAC,1USAANL) High current linear accelerator, 1087800500005 threshold photoneutron facility 1087800500006 INC-SOURCE (PHOTO) Photoneutrons with electrons on silver gamma 1087800500007 source 1087800500008 SAMPLE (40-ZR-91,ENR=0.892) 30.6-gms, 2.0-cm diameter by 1087800500009 1.5-cm thick, enriched to 89.2% Zr-91. 1087800500010 DETECTOR (SCIN) Six Li-6 glass scintillator 1087800500011 MONITOR Data normalized to area of 41-keV resonance in Pb-208. 1087800500012 METHOD (TOF) Time of flight with 9-meter flight path 1087800500013 CORRECTION Corrected for bremsstrahlung intensity, detector 1087800500014 efficiency, and recoil effects. 1087800500015 ERR-ANALYS (DATA-ERR) No information on sources of uncertainty 1087800500016 STATUS (TABLE) p.357, Phys.Rev.C9,346,1974 1087800500017 ENDBIB 15 0 1087800500018 NOCOMMON 0 0 1087800500019 DATA 4 1 1087800500020 EN-RES-MIN EN-RES-MAX DATA DATA-ERR 1087800500021 KEV KEV NO-DIM NO-DIM 1087800500022 6.82 214.4 2.8 E-05 6. E-06 1087800500023 ENDDATA 3 0 1087800500024 ENDSUBENT 23 0 1087800599999 SUBENT 10878006 20200229 14641087800600001 BIB 10 18 1087800600002 REACTION 1(40-ZR-90(N,0),,EN) 1087800600003 2(40-ZR-90(N,0),,L) 1087800600004 3(40-ZR-90(N,0),,J) 1087800600005 4(40-ZR-90(N,EL),,WID,,G) 1087800600006 5(40-ZR-90(N,EL),,WID/RED,,G) 1087800600007 FACILITY (LINAC,1USAORL) Oak Ridge electron linear accelerator 1087800600008 SAMPLE (40-ZR-90,ENR=0.977) 37.6-gms, 1.97-cm diameter, 1087800600009 1.94-cm thick, enriched to 97.7% Zr-90. 1087800600010 METHOD (TOF) Time of flight with 80 and 200-meter flight 1087800600011 paths. Runs made with natural sample in order to 1087800600012 correct data for resonances created by contaminants. 1087800600013 DETECTOR (SCIN) Li-6 glass or plastic scintillators. 1087800600014 MONITOR No information 1087800600015 CORRECTION Corrected for resolution effects. S-wave areas correct-1087800600016 ed for non-zero hard sphere scattering phase shifts. 1087800600017 ERR-ANALYS No information 1087800600018 STATUS (TABLE) Table III, Phys.Rev.C9,346,1974 1087800600019 HISTORY (19800131C) 1087800600020 ENDBIB 18 0 1087800600021 COMMON 1 3 1087800600022 EN-RSL 1087800600023 PER-CENT 1087800600024 0.01 1087800600025 ENDCOMMON 3 0 1087800600026 DATA 6 15 1087800600027 DATA 1DATA 2DATA-MIN 3DATA-MAX 3DATA 4DATA 51087800600028 KEV NO-DIM NO-DIM NO-DIM EV EV 1087800600029 4.01 1. 0.5 1.5 0.5 1.0 1087800600030 8.84 1. 0.5 1.5 5.8 3.4 1087800600031 16.9 1. 0.5 1.5 1.7 0.4 1087800600032 19.1 1. 0.5 1.5 9.0 1.6 1087800600033 19.7 1. 0.5 1.5 31.5 5.6 1087800600034 26.53 1. 0.5 1.5 14.6 1.6 1087800600035 55.7 1. 0.5 1.5 61.2 2.3 1087800600036 56.4 1. 0.5 1.5 36.5 1.3 1087800600037 64.9 1. 0.5 1.5 129.6 3.8 1087800600038 104.6 1. 0.5 1.5 237.5 3.4 1087800600039 111.5 1. 0.5 1.5 245.0 3.2 1087800600040 124.2 1. 0.5 1.5 32.4 0.4 1087800600041 131.8 1. 0.5 1.5 352.7 3.6 1087800600042 150.4 1. 0.5 1.5 106.5 0.9 1087800600043 179.7 1. 0.5 1.5 93.0 0.6 1087800600044 ENDDATA 17 0 1087800600045 ENDSUBENT 44 0 1087800699999 ENDENTRY 6 0 1087899999999