ENTRY C1912 20120320 C116C191200000001 SUBENT C1912001 20120320 C116C191200100001 BIB 10 17 C191200100002 TITLE Comparison of activation and direct measurement C191200100003 yields for the 13C(p,n)13N(g.s.) reaction C191200100004 AUTHOR (D.A.Lind,R.J.Peterson,H.W.Fielding) C191200100005 INSTITUTE (1USACLU) C191200100006 REFERENCE (J,PR/C,11,(6),2099,1975) C191200100007 #doi:10.1103/PhysRevC.11.2099 C191200100008 FACILITY (MESON,1USALAS) C191200100009 SAMPLE (6-C-13,ENR=0.8) A target of 5.41 mg/cm2 carbon was C191200100010 prepared on an 0.8 mg/cm2 backing. C191200100011 DETECTOR (GELI) Gamma ray detection in activation measurement C191200100012 and neutron TOF for neutron groups. C191200100013 PART-DET (G,N) C191200100014 METHOD (ACTIV,TOF,STTA,GSPEC) Two methods were employed to C191200100015 deduce reaction cross sections: by observation of C191200100016 neutron groups and by the 13N activity generated C191200100017 simultaneously. C191200100018 HISTORY (20120320C) BP C191200100019 ENDBIB 17 0 C191200100020 COMMON 1 3 C191200100021 THICKNESS C191200100022 G/CM-SQ C191200100023 0.0008 C191200100024 ENDCOMMON 3 0 C191200100025 ENDSUBENT 24 0 C191200199999 SUBENT C1912002 20120320 C116C191200200001 BIB 3 6 C191200200002 REACTION (6-C-13(P,N)7-N-13,PAR,DA) C191200200003 COMMENT Authors give angle in center of mass system but say C191200200004 nothing about reference system for cross section. C191200200005 Compiler's best guess is same system as angle (C.M.) C191200200006 (Compiler's comment, July 2012) C191200200007 STATUS (CURVE) Fig.2, page 2100. C191200200008 ENDBIB 6 0 C191200200009 COMMON 2 3 C191200200010 EN E-LVL C191200200011 MEV MEV C191200200012 16.3 0. C191200200013 ENDCOMMON 3 0 C191200200014 DATA 2 18 C191200200015 ANG-CM DATA-CM C191200200016 ADEG MB/SR C191200200017 1.000E+01 1.080E+01 C191200200018 1.931E+01 6.555E+00 C191200200019 2.816E+01 4.406E+00 C191200200020 3.676E+01 5.577E+00 C191200200021 4.523E+01 7.241E+00 C191200200022 5.382E+01 7.861E+00 C191200200023 6.240E+01 6.484E+00 C191200200024 7.028E+01 4.011E+00 C191200200025 7.869E+01 1.909E+00 C191200200026 8.393E+01 1.101E+00 C191200200027 9.195E+01 7.034E-01 C191200200028 1.003E+02 1.179E+00 C191200200029 1.078E+02 1.820E+00 C191200200030 1.160E+02 2.093E+00 C191200200031 1.236E+02 2.000E+00 C191200200032 1.309E+02 1.682E+00 C191200200033 1.387E+02 1.293E+00 C191200200034 1.450E+02 1.325E+00 C191200200035 ENDDATA 20 0 C191200200036 ENDSUBENT 35 0 C191200299999 SUBENT C1912003 20120320 C116C191200300001 BIB 3 6 C191200300002 REACTION (6-C-13(P,N)7-N-13,PAR,DA) C191200300003 COMMENT Authors give angle in center of mass system but say C191200300004 nothing about reference system for cross section. C191200300005 Compiler's best guess is same system as angle (C.M.) C191200300006 (Compiler's comment, July 2012) C191200300007 STATUS (CURVE) Fig.2, page 2100. C191200300008 ENDBIB 6 0 C191200300009 COMMON 2 3 C191200300010 EN E-LVL C191200300011 MEV MEV C191200300012 16.3 2.366 C191200300013 ENDCOMMON 3 0 C191200300014 DATA 2 18 C191200300015 ANG-CM DATA-CM C191200300016 ADEG MB/SR C191200300017 1.000E+01 1.103E+00 C191200300018 1.925E+01 1.984E+00 C191200300019 2.798E+01 2.020E+00 C191200300020 3.656E+01 1.743E+00 C191200300021 4.526E+01 9.547E-01 C191200300022 5.396E+01 5.001E-01 C191200300023 6.240E+01 4.178E-01 C191200300024 7.099E+01 3.721E-01 C191200300025 7.914E+01 2.469E-01 C191200300026 8.456E+01 2.841E-01 C191200300027 9.257E+01 1.873E-01 C191200300028 1.004E+02 1.115E-01 C191200300029 1.084E+02 1.584E-01 C191200300030 1.163E+02 1.720E-01 C191200300031 1.239E+02 2.177E-01 C191200300032 1.315E+02 2.487E-01 C191200300033 1.393E+02 1.771E-01 C191200300034 1.450E+02 1.577E-01 C191200300035 ENDDATA 20 0 C191200300036 ENDSUBENT 35 0 C191200399999 SUBENT C1912004 20120320 C116C191200400001 BIB 3 6 C191200400002 REACTION (6-C-13(P,N)7-N-13,PAR,DA) C191200400003 COMMENT Authors give angle in center of mass system but say C191200400004 nothing about reference system for cross section. C191200400005 Compiler's best guess is same system as angle (C.M.) C191200400006 (Compiler's comment, July 2012) C191200400007 STATUS (CURVE) Fig.2, page 2100. C191200400008 ENDBIB 6 0 C191200400009 COMMON 2 3 C191200400010 EN E-LVL C191200400011 MEV MEV C191200400012 16.3 3.5 C191200400013 ENDCOMMON 3 0 C191200400014 DATA 2 18 C191200400015 ANG-CM DATA-CM C191200400016 ADEG MB/SR C191200400017 1.000E+01 5.016E+00 C191200400018 1.943E+01 4.702E+00 C191200400019 2.830E+01 4.975E+00 C191200400020 3.732E+01 6.501E+00 C191200400021 4.578E+01 6.968E+00 C191200400022 5.437E+01 6.657E+00 C191200400023 6.281E+01 5.561E+00 C191200400024 7.111E+01 4.303E+00 C191200400025 7.983E+01 3.415E+00 C191200400026 8.468E+01 3.306E+00 C191200400027 9.285E+01 3.241E+00 C191200400028 1.012E+02 3.586E+00 C191200400029 1.091E+02 3.747E+00 C191200400030 1.171E+02 3.512E+00 C191200400031 1.246E+02 3.049E+00 C191200400032 1.321E+02 3.027E+00 C191200400033 1.397E+02 3.143E+00 C191200400034 1.450E+02 3.804E+00 C191200400035 ENDDATA 20 0 C191200400036 ENDSUBENT 35 0 C191200499999 SUBENT C1912005 20120320 C116C191200500001 BIB 3 6 C191200500002 REACTION (6-C-13(P,N)7-N-13,PAR,DA) C191200500003 COMMENT Authors give angle in center of mass system but say C191200500004 nothing about reference system for cross section. C191200500005 Compiler's best guess is same system as angle (C.M.) C191200500006 (Compiler's comment, July 2012) C191200500007 STATUS (CURVE) Fig.2, page 2100. C191200500008 ENDBIB 6 0 C191200500009 COMMON 2 3 C191200500010 EN E-LVL C191200500011 MEV MEV C191200500012 22.8 0. C191200500013 ENDCOMMON 3 0 C191200500014 DATA 2 18 C191200500015 ANG-CM DATA-CM C191200500016 ADEG MB/SR C191200500017 1.000E+01 5.952E+00 C191200500018 1.855E+01 3.866E+00 C191200500019 2.734E+01 2.527E+00 C191200500020 3.594E+01 2.630E+00 C191200500021 4.453E+01 2.918E+00 C191200500022 5.286E+01 2.960E+00 C191200500023 6.137E+01 1.923E+00 C191200500024 6.974E+01 1.225E+00 C191200500025 7.812E+01 7.230E-01 C191200500026 8.327E+01 6.055E-01 C191200500027 9.135E+01 4.730E-01 C191200500028 9.966E+01 5.214E-01 C191200500029 1.071E+02 6.528E-01 C191200500030 1.152E+02 7.334E-01 C191200500031 1.231E+02 7.730E-01 C191200500032 1.307E+02 6.773E-01 C191200500033 1.380E+02 4.426E-01 C191200500034 1.450E+02 2.628E-01 C191200500035 ENDDATA 20 0 C191200500036 ENDSUBENT 35 0 C191200599999 SUBENT C1912006 20120320 C116C191200600001 BIB 4 7 C191200600002 REACTION (6-C-13(P,N)7-N-13,PAR,DA) C191200600003 COMMENT Authors give angle in center of mass system but say C191200600004 nothing about reference system for cross section. C191200600005 Compiler's best guess is same system as angle (C.M.) C191200600006 (Compiler's comment, July 2012) C191200600007 STATUS (CURVE) Fig.2, page 2100. C191200600008 ERR-ANALYS (DATA-ERR) No details are given. C191200600009 ENDBIB 7 0 C191200600010 COMMON 2 3 C191200600011 EN E-LVL C191200600012 MEV MEV C191200600013 22.8 2.366 C191200600014 ENDCOMMON 3 0 C191200600015 DATA 3 18 C191200600016 ANG-CM DATA-CM DATA-ERR C191200600017 ADEG MB/SR MB/SR C191200600018 1.000E+01 1.106E+00 C191200600019 1.880E+01 1.359E+00 C191200600020 2.757E+01 1.029E+00 C191200600021 3.642E+01 3.443E-01 C191200600022 4.483E+01 1.450E-01 9.554E-03 C191200600023 5.365E+01 7.250E-02 9.083E-03 C191200600024 6.217E+01 4.252E-02 7.665E-03 C191200600025 7.043E+01 8.318E-02 8.348E-03 C191200600026 7.861E+01 8.768E-02 1.003E-02 C191200600027 8.390E+01 7.678E-02 9.345E-03 C191200600028 9.185E+01 5.181E-02 5.914E-03 C191200600029 9.990E+01 4.838E-02 8.356E-03 C191200600030 1.078E+02 5.647E-02 6.441E-03 C191200600031 1.157E+02 6.344E-02 5.926E-03 C191200600032 1.233E+02 6.234E-02 7.143E-03 C191200600033 1.308E+02 5.639E-02 5.467E-03 C191200600034 1.385E+02 5.944E-02 5.557E-03 C191200600035 1.450E+02 7.393E-02 7.938E-03 C191200600036 ENDDATA 20 0 C191200600037 ENDSUBENT 36 0 C191200699999 SUBENT C1912007 20120320 C116C191200700001 BIB 3 6 C191200700002 REACTION (6-C-13(P,N)7-N-13,PAR,DA) C191200700003 COMMENT Authors give angle in center of mass system but say C191200700004 nothing about reference system for cross section. C191200700005 Compiler's best guess is same system as angle (C.M.) C191200700006 (Compiler's comment, July 2012) C191200700007 STATUS (CURVE) Fig.2, page 2100. C191200700008 ENDBIB 6 0 C191200700009 COMMON 2 3 C191200700010 EN E-LVL C191200700011 MEV MEV C191200700012 22.8 3.5 C191200700013 ENDCOMMON 3 0 C191200700014 DATA 2 19 C191200700015 ANG-CM DATA-CM C191200700016 ADEG MB/SR C191200700017 1.000E+01 3.908E+00 C191200700018 1.801E+01 3.468E+00 C191200700019 2.743E+01 3.848E+00 C191200700020 3.630E+01 4.324E+00 C191200700021 4.421E+01 4.529E+00 C191200700022 5.310E+01 4.072E+00 C191200700023 6.175E+01 2.611E+00 C191200700024 7.025E+01 1.890E+00 C191200700025 7.848E+01 1.204E+00 C191200700026 8.391E+01 1.068E+00 C191200700027 9.198E+01 8.450E-01 C191200700028 9.990E+01 8.199E-01 C191200700029 1.077E+02 9.329E-01 C191200700030 1.077E+02 9.329E-01 C191200700031 1.154E+02 8.278E-01 C191200700032 1.232E+02 7.116E-01 C191200700033 1.307E+02 6.687E-01 C191200700034 1.384E+02 6.488E-01 C191200700035 1.450E+02 7.015E-01 C191200700036 ENDDATA 21 0 C191200700037 ENDSUBENT 36 0 C191200799999 SUBENT C1912008 20120320 C116C191200800001 BIB 4 8 C191200800002 REACTION (6-C-13(P,N)7-N-13,,SIG) C191200800003 STATUS (TABLE) Table I, page 2101. C191200800004 ANALYSIS (DECAY) Fitting by xi2 analysis the activities for C191200800005 13N and 11C to the decay data. C191200800006 ERR-ANALYS (DATA-ERR) The error in the activation measurements C191200800007 arises from decomposition of the complex decay curve C191200800008 for annihilation radiation and correction for C191200800009 possible 12C(p,gamma)13N activity. C191200800010 ENDBIB 8 0 C191200800011 NOCOMMON 0 0 C191200800012 DATA 3 3 C191200800013 EN DATA DATA-ERR C191200800014 MEV MB MB C191200800015 16.30 39.6 0.4 C191200800016 22.80 17.3 0.2 C191200800017 22.85 16.2 0.2 C191200800018 ENDDATA 5 0 C191200800019 ENDSUBENT 18 0 C191200899999 SUBENT C1912009 20120320 C116C191200900001 BIB 4 17 C191200900002 REACTION (6-C-13(P,N)7-N-13,PAR,SIG) C191200900003 STATUS (DEP,C1912002) C191200900004 (DEP,C1912003) C191200900005 (DEP,C1912004) C191200900006 (TABLE) Table I, page 2101. C191200900007 ANALYSIS (INTAD) The angular distributions of the ground state C191200900008 neutron group were integrated from 0 to 180 degrees C191200900009 by extrapolation, since data are available between 10 C191200900010 and 145 degree only. C191200900011 ERR-ANALYS (DATA-ERR) The absolute error in the neutron yield C191200900012 measurements is associated with the neutron detector C191200900013 efficiency calibration which was made with an n-p C191200900014 recoil spectrometer at Los Alamos. C191200900015 (ERR-1,3.,5.) For the 22.8 MeV case the error in the C191200900016 integrated cross section because of uncertainty in C191200900017 assumed cross sections is not more than 3% and at 16.3 C191200900018 MeV not more than 5%. C191200900019 ENDBIB 17 0 C191200900020 COMMON 1 3 C191200900021 E-LVL C191200900022 MEV C191200900023 0.0 C191200900024 ENDCOMMON 3 0 C191200900025 DATA 3 3 C191200900026 EN DATA DATA-ERR C191200900027 MEV MB MB C191200900028 16.30 43.0 3.0 C191200900029 22.80 16.0 1.1 C191200900030 22.85 15.6 1.1 C191200900031 ENDDATA 5 0 C191200900032 ENDSUBENT 31 0 C191200999999 ENDENTRY 9 0 C191299999999