ENTRY 14266 20120814 13851426600000001 SUBENT 14266001 20120814 13851426600100001 BIB 13 48 1426600100002 TITLE (n,2n) and (n,3n) cross-sections of neutron-induced 1426600100003 reactions on 150Sm for En=1-35 MeV 1426600100004 AUTHOR (D.Dashdorj,G.E.Mitchell,T.Kawano,M.Devlin,N.Fotiades, 1426600100005 R.O.Nelson,J.A.Becker,C.Y.Wu,P.E.Garrett,S.Kuneida) 1426600100006 INSTITUTE (1USANCS,1USALRL,1USATNL,1USALAS,2JPNJAE,1CANGUE) 1426600100007 (3MGLMGL)MonAme Scientific Research Center, Ulaanbaatar1426600100008 REFERENCE (J,NIM/B,268,114,2010) 1426600100009 FACILITY (LINAC,1USALAS) Experiment performed at WNR 1426600100010 spallation neutron source on the 60R (60deg right) 1426600100011 flight path using GEANIE spectrometer 1426600100012 DETECTOR (HPGE) Spectrometer GEANIE consisting of 11 Compton 1426600100013 suppressed planar Ge detectors and 15 Compton 1426600100014 suppressed coaxial HPGe detectors with efficiency 25%. 1426600100015 (FISCH) The neutron flux on target was measured with 1426600100016 a fission chamber, consisting of 235U and 238U 1426600100017 foils, located 2m upstream from the center of the 1426600100018 GEANIE spectrometer. 1426600100019 METHOD (TOF) Energy of incident neutrons determined by time 1426600100020 of flight technique. 1426600100021 (GSPEC) Gamma ray production cross sections 1426600100022 determined by gamma ray spectrometry 1426600100023 Strong 846.8 keV, 2+ - 0+ transition of 56Fe, produced1426600100024 in natural Fe from inelastic scattering was used to 1426600100025 confirm experimental and analysis techniques 1426600100026 MONITOR (92-U-235(N,F),,SIG) 1426600100027 - The neutron flux was determined 1426600100028 INC-SOURCE (SPALL) The neutrons were produced in a natural W 1426600100029 spallation target driven by an 800 MeV proton beam. 1426600100030 Proton beam time structure consisted of macropulse 1426600100031 containing sub-nanosecond-wide micropulses, 1426600100032 spaced every 1.8 mu-s. 1426600100033 ERR-ANALYS (ERR-T) Total uncertainty 1426600100034 (ERR-1) Syst. uncertainty in fission chamber efficiency1426600100035 (ERR-2) Syst. uncertainty in system dead time 1426600100036 (ERR-3) Systematic uncertainty in detector efficiency 1426600100037 (ERR-4) Systematic uncertainty in gamma ray 1426600100038 internal conversion correction 1426600100039 (ERR-5) Systematic uncertainty in neutron flux 1426600100040 (ERR-6,,15.0) Systematic uncertainty in multiple 1426600100041 scattering corrections 1426600100042 CORRECTION Data corrected for internal conversion and multiple 1426600100043 scattering 1426600100044 SAMPLE (62-SM-150,ENR=0.956) 1426600100045 Chemical form oxide Sm2O3 1426600100046 Thickness 1550 mg/cm2 1426600100047 HISTORY (20100303C) Compiled by S.H. 1426600100048 (20120814A) SD: MONITOR reaction was corrected: 1426600100049 Fe-56(N,INL)Fe-56 => U-235(n,f) 1426600100050 ENDBIB 48 0 1426600100051 COMMON 5 3 1426600100052 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 1426600100053 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 1426600100054 0.42 3.0 4.8 6.0 8.0 1426600100055 ENDCOMMON 3 0 1426600100056 ENDSUBENT 55 0 1426600199999 SUBENT 14266002 20100303 13611426600200001 BIB 3 13 1426600200002 REACTION (62-SM-150(N,2N)62-SM-149,,SIG,,,DERIV) 1426600200003 STATUS (TABLE) Data taken from tab. 1 of the reference 1426600200004 (DEP,14266004) 198 keV 1426600200005 (DEP,14266005) 214 keV 1426600200006 (DEP,14266006) 277 keV 1426600200007 (DEP,14266007) 281 keV 1426600200008 (DEP,14266008) 285 keV 1426600200009 (DEP,14266009) 461 keV 1426600200010 (DEP,14266010) 636 keV 1426600200011 (DEP,14266011) 664 keV 1426600200012 ANALYSIS Cross section for population of discrete levels 1426600200013 are summed without double counting and combined with 1426600200014 Hauser-Feshbach calculations 1426600200015 ENDBIB 13 0 1426600200016 NOCOMMON 0 0 1426600200017 DATA 4 17 1426600200018 EN EN-ERR DATA ERR-T 1426600200019 MEV MEV B B 1426600200020 8.66 0.22 0.14 0.01 1426600200021 9.21 0.24 0.59 0.05 1426600200022 9.81 0.27 0.85 0.05 1426600200023 10.47 0.29 0.99 0.05 1426600200024 11.20 0.33 1.26 0.07 1426600200025 12.01 0.35 1.51 0.07 1426600200026 12.95 0.42 1.58 0.08 1426600200027 13.95 0.45 1.59 0.08 1426600200028 15.09 0.51 1.55 0.08 1426600200029 16.40 0.59 1.46 0.09 1426600200030 17.87 0.66 1.20 0.06 1426600200031 19.52 0.74 0.80 0.04 1426600200032 21.49 0.88 0.54 0.03 1426600200033 23.72 1.04 0.34 0.02 1426600200034 26.34 1.18 0.29 0.02 1426600200035 29.38 1.43 0.25 0.01 1426600200036 33.11 1.72 0.21 0.02 1426600200037 ENDDATA 19 0 1426600200038 ENDSUBENT 37 0 1426600299999 SUBENT 14266003 20100303 13611426600300001 BIB 3 8 1426600300002 REACTION (62-SM-150(N,3N)62-SM-148,,SIG,,,DERIV) 1426600300003 STATUS (TABLE) Data taken from tab. 2 of the reference 1426600300004 (DEP,14266012) 664 keV 1426600300005 ANALYSIS Cross section for population of discrete level 1426600300006 at 550.3 keV was combined with Hauser-Feshbach 1426600300007 calculations. Single gamma transition 1426600300008 2+ -> 0+ (g.s.) with energy of 550.3 keV exhausts 1426600300009 almost the whole (n,3n) cross section 1426600300010 ENDBIB 8 0 1426600300011 NOCOMMON 0 0 1426600300012 DATA 4 10 1426600300013 EN EN-ERR DATA ERR-T 1426600300014 MEV MEV B B 1426600300015 13.95 0.45 0.005 0.001 1426600300016 15.09 0.51 0.048 0.029 1426600300017 16.40 0.59 0.138 0.014 1426600300018 17.87 0.66 0.592 0.060 1426600300019 19.52 0.74 0.977 0.098 1426600300020 21.49 0.88 1.241 0.124 1426600300021 23.72 1.04 1.268 0.126 1426600300022 26.34 1.18 1.127 0.112 1426600300023 29.38 1.43 0.711 0.071 1426600300024 33.11 1.72 0.405 0.040 1426600300025 ENDDATA 12 0 1426600300026 ENDSUBENT 25 0 1426600399999 SUBENT 14266004 20100303 13611426600400001 BIB 2 3 1426600400002 REACTION (62-SM-150(N,2N)62-SM-149,PAR,SIG,G) 1426600400003 STATUS (TABLE) Data presented in fig. 2 of the reference 1426600400004 sent by author (D.D.) 1426600400005 ENDBIB 3 0 1426600400006 COMMON 2 3 1426600400007 LVL-INI E 1426600400008 KEV KEV 1426600400009 789.47 198.6 1426600400010 ENDCOMMON 3 0 1426600400011 DATA 4 16 1426600400012 EN EN-ERR DATA ERR-T 1426600400013 MEV MEV B B 1426600400014 9.21 0.24 0.0156 0.002 1426600400015 9.80 0.27 0.0359 0.004 1426600400016 10.48 0.29 0.0570 0.006 1426600400017 11.20 0.34 0.0687 0.007 1426600400018 12.01 0.35 0.0858 0.009 1426600400019 12.93 0.42 0.0891 0.009 1426600400020 13.94 0.45 0.0938 0.010 1426600400021 15.11 0.51 0.0962 0.010 1426600400022 16.39 0.59 0.0954 0.010 1426600400023 17.88 0.67 0.0859 0.009 1426600400024 19.51 0.74 0.0612 0.007 1426600400025 21.48 0.89 0.0360 0.004 1426600400026 23.72 1.04 0.0255 0.003 1426600400027 26.34 1.18 0.0227 0.003 1426600400028 29.36 1.43 0.0181 0.002 1426600400029 33.13 1.72 0.0176 0.002 1426600400030 ENDDATA 18 0 1426600400031 ENDSUBENT 30 0 1426600499999 SUBENT 14266005 20100303 13611426600500001 BIB 2 3 1426600500002 REACTION (62-SM-150(N,2N)62-SM-149,PAR,SIG,G) 1426600500003 STATUS (TABLE) Data presented in fig. 2 of the reference 1426600500004 sent by author (D.D.) 1426600500005 ENDBIB 3 0 1426600500006 COMMON 2 3 1426600500007 LVL-INI E 1426600500008 KEV KEV 1426600500009 878.64 214.8 1426600500010 ENDCOMMON 3 0 1426600500011 DATA 4 13 1426600500012 EN EN-ERR DATA ERR-T 1426600500013 MEV MEV B B 1426600500014 9.21 0.24 0.0075 0.001 1426600500015 9.80 0.27 0.0188 0.002 1426600500016 10.48 0.29 0.0372 0.004 1426600500017 11.20 0.34 0.0491 0.005 1426600500018 12.01 0.35 0.0650 0.007 1426600500019 12.93 0.42 0.0815 0.009 1426600500020 13.94 0.45 0.0895 0.009 1426600500021 15.11 0.51 0.0922 0.010 1426600500022 16.39 0.59 0.1103 0.011 1426600500023 17.88 0.67 0.1012 0.011 1426600500024 19.51 0.74 0.0760 0.008 1426600500025 21.48 0.89 0.0485 0.005 1426600500026 23.72 1.04 0.0304 0.003 1426600500027 ENDDATA 15 0 1426600500028 ENDSUBENT 27 0 1426600599999 SUBENT 14266006 20100303 13611426600600001 BIB 2 3 1426600600002 REACTION (62-SM-150(N,2N)62-SM-149,PAR,SIG,G) 1426600600003 STATUS (TABLE) Data presented in fig. 2 of the reference 1426600600004 sent by author (D.D.) 1426600600005 ENDBIB 3 0 1426600600006 COMMON 2 3 1426600600007 LVL-INI E 1426600600008 KEV KEV 1426600600009 277.07 277.1 1426600600010 ENDCOMMON 3 0 1426600600011 DATA 4 18 1426600600012 EN EN-ERR DATA ERR-T 1426600600013 MEV MEV B B 1426600600014 8.15 0.20 0.0090 0.002 1426600600015 8.66 0.22 0.0184 0.002 1426600600016 9.21 0.24 0.0455 0.005 1426600600017 9.80 0.27 0.0634 0.007 1426600600018 10.48 0.29 0.0795 0.008 1426600600019 11.20 0.34 0.0886 0.009 1426600600020 12.01 0.35 0.1009 0.011 1426600600021 12.93 0.42 0.1008 0.011 1426600600022 13.94 0.45 0.0922 0.010 1426600600023 15.11 0.51 0.0842 0.009 1426600600024 16.39 0.59 0.0741 0.008 1426600600025 17.88 0.67 0.0501 0.005 1426600600026 19.51 0.74 0.0366 0.004 1426600600027 21.48 0.89 0.0233 0.003 1426600600028 23.72 1.04 0.0171 0.002 1426600600029 26.34 1.18 0.0168 0.002 1426600600030 29.36 1.43 0.0141 0.002 1426600600031 33.13 1.72 0.0112 0.002 1426600600032 ENDDATA 20 0 1426600600033 ENDSUBENT 32 0 1426600699999 SUBENT 14266007 20100303 13611426600700001 BIB 2 3 1426600700002 REACTION (62-SM-150(N,2N)62-SM-149,PAR,SIG,G) 1426600700003 STATUS (TABLE) Data presented in fig. 2 of the reference 1426600700004 sent by author (D.D.) 1426600700005 ENDBIB 3 0 1426600700006 COMMON 2 3 1426600700007 LVL-INI E 1426600700008 KEV KEV 1426600700009 558.37 281.3 1426600700010 ENDCOMMON 3 0 1426600700011 DATA 4 17 1426600700012 EN EN-ERR DATA ERR-T 1426600700013 MEV MEV B B 1426600700014 8.66 0.22 0.0007 0.001 1426600700015 9.21 0.24 0.0033 0.001 1426600700016 9.80 0.27 0.0043 0.001 1426600700017 10.48 0.29 0.0083 0.001 1426600700018 11.20 0.34 0.0099 0.002 1426600700019 12.01 0.35 0.0099 0.002 1426600700020 12.93 0.42 0.0105 0.002 1426600700021 13.94 0.45 0.0101 0.002 1426600700022 15.11 0.51 0.0104 0.002 1426600700023 16.39 0.59 0.0089 0.002 1426600700024 17.88 0.67 0.0057 0.001 1426600700025 19.51 0.74 0.0023 0.001 1426600700026 21.48 0.89 0.0017 0.001 1426600700027 23.72 1.04 0.0010 0.001 1426600700028 26.34 1.18 0.0008 0.001 1426600700029 29.36 1.43 0.0004 0.001 1426600700030 33.13 1.72 0.0002 0.001 1426600700031 ENDDATA 19 0 1426600700032 ENDSUBENT 31 0 1426600799999 SUBENT 14266008 20100303 13611426600800001 BIB 2 3 1426600800002 REACTION (62-SM-150(N,2N)62-SM-149,PAR,SIG,G) 1426600800003 STATUS (TABLE) Data presented in fig. 3 of the reference 1426600800004 sent by author (D.D.) 1426600800005 ENDBIB 3 0 1426600800006 COMMON 2 3 1426600800007 LVL-INI E 1426600800008 KEV KEV 1426600800009 285.94 285.9 1426600800010 ENDCOMMON 3 0 1426600800011 DATA 4 18 1426600800012 EN EN-ERR DATA ERR-T 1426600800013 MEV MEV B B 1426600800014 8.15 0.20 0.0101 0.002 1426600800015 8.66 0.22 0.0365 0.004 1426600800016 9.21 0.24 0.1012 0.010 1426600800017 9.80 0.27 0.1644 0.017 1426600800018 10.48 0.29 0.2261 0.023 1426600800019 11.20 0.34 0.2785 0.028 1426600800020 12.01 0.35 0.3396 0.035 1426600800021 12.93 0.42 0.3874 0.040 1426600800022 13.94 0.45 0.4089 0.042 1426600800023 15.11 0.51 0.4011 0.041 1426600800024 16.39 0.59 0.4048 0.041 1426600800025 17.88 0.67 0.3448 0.035 1426600800026 19.51 0.74 0.2411 0.025 1426600800027 21.48 0.89 0.1481 0.015 1426600800028 23.72 1.04 0.0924 0.010 1426600800029 26.34 1.18 0.0710 0.008 1426600800030 29.36 1.43 0.0592 0.007 1426600800031 33.13 1.72 0.0466 0.005 1426600800032 ENDDATA 20 0 1426600800033 ENDSUBENT 32 0 1426600899999 SUBENT 14266009 20100303 13611426600900001 BIB 2 3 1426600900002 REACTION (62-SM-150(N,2N)62-SM-149,PAR,SIG,G) 1426600900003 STATUS (TABLE) Data presented in fig. 3 of the reference 1426600900004 sent by author (D.D.) 1426600900005 ENDBIB 3 0 1426600900006 COMMON 2 3 1426600900007 LVL-INI E 1426600900008 KEV KEV 1426600900009 747.55 461.9 1426600900010 ENDCOMMON 3 0 1426600900011 DATA 4 16 1426600900012 EN EN-ERR DATA ERR-T 1426600900013 MEV MEV B B 1426600900014 9.21 0.24 0.0177 0.002 1426600900015 9.80 0.27 0.0404 0.005 1426600900016 10.48 0.29 0.0666 0.007 1426600900017 11.20 0.34 0.0945 0.010 1426600900018 12.01 0.35 0.1290 0.014 1426600900019 12.93 0.42 0.1673 0.017 1426600900020 13.94 0.45 0.1852 0.019 1426600900021 15.11 0.51 0.1941 0.020 1426600900022 16.39 0.59 0.2165 0.022 1426600900023 17.88 0.67 0.2056 0.021 1426600900024 19.51 0.74 0.1507 0.016 1426600900025 21.48 0.89 0.0950 0.010 1426600900026 23.72 1.04 0.0552 0.006 1426600900027 26.34 1.18 0.0401 0.005 1426600900028 29.36 1.43 0.0320 0.004 1426600900029 33.13 1.72 0.0212 0.003 1426600900030 ENDDATA 18 0 1426600900031 ENDSUBENT 30 0 1426600999999 SUBENT 14266010 20100303 13611426601000001 BIB 2 3 1426601000002 REACTION (62-SM-150(N,2N)62-SM-149,PAR,SIG,G) 1426601000003 STATUS (TABLE) Data presented in fig. 3 of the reference 1426601000004 sent by author (D.D.) 1426601000005 ENDBIB 3 0 1426601000006 COMMON 2 3 1426601000007 LVL-INI E 1426601000008 KEV KEV 1426601000009 636.46 636.4 1426601000010 ENDCOMMON 3 0 1426601000011 DATA 4 16 1426601000012 EN EN-ERR DATA ERR-T 1426601000013 MEV MEV B B 1426601000014 9.21 0.24 0.0041 0.002 1426601000015 9.80 0.27 0.0102 0.002 1426601000016 10.48 0.29 0.0184 0.003 1426601000017 11.20 0.34 0.0224 0.003 1426601000018 12.01 0.35 0.0275 0.004 1426601000019 12.93 0.42 0.0275 0.004 1426601000020 13.94 0.45 0.0248 0.004 1426601000021 15.11 0.51 0.0237 0.003 1426601000022 16.39 0.59 0.0189 0.003 1426601000023 17.88 0.67 0.0163 0.003 1426601000024 19.51 0.74 0.0086 0.002 1426601000025 21.48 0.89 0.0079 0.002 1426601000026 23.72 1.04 0.0049 0.002 1426601000027 26.34 1.18 0.0030 0.002 1426601000028 29.36 1.43 0.0011 0.002 1426601000029 33.13 1.72 0.0010 0.002 1426601000030 ENDDATA 18 0 1426601000031 ENDSUBENT 30 0 1426601099999 SUBENT 14266011 20100303 13611426601100001 BIB 2 3 1426601100002 REACTION (62-SM-150(N,2N)62-SM-149,PAR,SIG,G) 1426601100003 STATUS (TABLE) Data presented in fig. 3 of the reference 1426601100004 sent by author (D.D.) 1426601100005 ENDBIB 3 0 1426601100006 COMMON 2 3 1426601100007 LVL-INI E 1426601100008 KEV KEV 1426601100009 664.05 664.0 1426601100010 ENDCOMMON 3 0 1426601100011 DATA 4 16 1426601100012 EN EN-ERR DATA ERR-T 1426601100013 MEV MEV B B 1426601100014 9.21 0.24 0.0255 0.003 1426601100015 9.80 0.27 0.0680 0.007 1426601100016 10.48 0.29 0.1114 0.012 1426601100017 11.20 0.34 0.1455 0.015 1426601100018 12.01 0.35 0.1767 0.019 1426601100019 12.93 0.42 0.2094 0.022 1426601100020 13.94 0.45 0.2253 0.024 1426601100021 15.11 0.51 0.2434 0.025 1426601100022 16.39 0.59 0.2509 0.026 1426601100023 17.88 0.67 0.2159 0.023 1426601100024 19.51 0.74 0.1474 0.016 1426601100025 21.48 0.89 0.0946 0.010 1426601100026 23.72 1.04 0.0531 0.006 1426601100027 26.34 1.18 0.0501 0.006 1426601100028 29.36 1.43 0.0354 0.005 1426601100029 33.13 1.72 0.0313 0.004 1426601100030 ENDDATA 18 0 1426601100031 ENDSUBENT 30 0 1426601199999 SUBENT 14266012 20100303 13611426601200001 BIB 2 5 1426601200002 REACTION (62-SM-150(N,3N)62-SM-148,PAR,SIG,G) 1426601200003 Gamma transition 2+ -> 0+ (g.s.) exhausts almost 1426601200004 the whole (n,3n) cross section 1426601200005 STATUS (TABLE) Data presented in fig. 4 of the reference 1426601200006 sent by author (D.D.) 1426601200007 ENDBIB 5 0 1426601200008 COMMON 1 3 1426601200009 E 1426601200010 KEV 1426601200011 550.3 1426601200012 ENDCOMMON 3 0 1426601200013 DATA 4 9 1426601200014 EN EN-ERR DATA ERR-T 1426601200015 MEV MEV B B 1426601200016 15.11 0.51 0.0417 0.005 1426601200017 16.39 0.59 0.1515 0.016 1426601200018 17.88 0.67 0.4501 0.046 1426601200019 19.51 0.74 0.7894 0.081 1426601200020 21.48 0.89 1.0321 0.105 1426601200021 23.72 1.04 1.0603 0.107 1426601200022 26.34 1.18 0.9504 0.096 1426601200023 29.36 1.43 0.6000 0.061 1426601200024 33.13 1.72 0.3326 0.034 1426601200025 ENDDATA 11 0 1426601200026 ENDSUBENT 25 0 1426601299999 ENDENTRY 12 0 1426699999999