ENTRY 30374 20090104 31343037400000001 SUBENT 30374001 20090104 31343037400100001 BIB 13 39 3037400100002 INSTITUTE (3NZLNZW) 3037400100003 REFERENCE (J,NP/A,220,395,197402) 3037400100004 (J,NP/A,94,617,1967)Other exp. K39 at 2.6MeV EXFOR300523037400100005 AUTHOR (C.M.Bartle,P.B.Johnson,N.C.Chapman) 3037400100006 TITLE Absolute (n,p) and (n,alpha) cross sections for K-39 3037400100007 and Ca-40 between 2.4 and 2.9 MeV. 3037400100008 FACILITY (VDG) Van de Graaff accelerator. 3037400100009 INC-SOURCE (D-D) H-2(d,n)He-3 reaction. Thick ''drive in'' 3037400100010 deuteron target. 3037400100011 INC-SPECT Quoted energy resolution of incoming neutron includes 3037400100012 at least 75% of the neutrons in the tagged neutron beam3037400100013 SAMPLE = Detector, CaF(2)(Eu) and KI(Tl) scintillators. 3037400100014 METHOD (ASSOP) Associated particle method. 3037400100015 Measurement of the neutron beam profile was done. 3037400100016 MONITOR Absolute measurement with associated particle 3037400100017 technique. 3037400100018 HISTORY (19770207C) KO. 3037400100019 (20090115A) BIB section updated 3037400100020 CORRECTION Corrections were made for effective neutron beam 3037400100021 attenuation (+1.9% for Ca, +3.8% for K). 3037400100022 The number of events(for n,p and n,alpha) was corrected3037400100023 for random coincidences. 3037400100024 The effective scintillator thickness was corrected 3037400100025 for the divergence of the neutron beam. 3037400100026 ERR-ANALYS (DATA-ERR) Quoted error includes: 3037400100027 .Error of the concentration of target nuclei,less 0.1% 3037400100028 .Background originated from (n,n'g) induced by tagged 3037400100029 neutrons of 3% for (n,p) and larger for (n,a), 3037400100030 .Error of effective scintillator thickness of 0.1%, 3037400100031 .and error of the effective n-beam attenuation below 3037400100032 Error source Ca-F(2)(Eu) KI(Tl) 3037400100033 (in %) Correction Error Correction Error3037400100034 Non-elastic events, * 3037400100035 outside scintillator +3.1 0.2 * +3.1 0.2 3037400100036 inside scintillator +2.5 0.3 * +1.1 0.1 3037400100037 Elastic events, * 3037400100038 inside scintillator -3.7 1.5 * -0.4 0.4 3037400100039 ------------------- 3037400100040 Net correction +1.9 2.0 * +3.8 0.7 3037400100041 ENDBIB 39 0 3037400100042 NOCOMMON 0 0 3037400100043 ENDSUBENT 42 0 3037400199999 SUBENT 30374002 20090104 31343037400200001 BIB 5 18 3037400200002 REACTION (20-CA-40(N,P)19-K-40,PAR,SIG) 3037400200003 Sum of partial cross-sections to ground and 1st excited3037400200004 states. 3037400200005 DETECTOR (SCIN) Ca-F(2)(Eu) scintillator, Nuclear Enterprises, 3037400200006 2.5 cm in diameter and 1.3 cm in depth. Cylindrical. 3037400200007 'Detector' = 'sample', 3037400200008 (SIBAR) .A small plastic scintillator was used to 3037400200009 determine the intensity profile of neutron beam in 3037400200010 coincidence with He-3 detection by the surface barrier 3037400200011 detector. 3037400200012 PART-DET (P) Protons. 3037400200013 COMMENT Compiler's note: The value of the energy level of 3037400200014 residual nucleus K-40 was cited from Nucl.Phys.A214 3037400200015 (1973)1. 3037400200016 At 2.405 MeV the experiment seems to be repeated. 3037400200017 Under enquiry to the author, 77/02. 3037400200018 STATUS (TABLE) Data taken from Table 2 of 3037400200019 Nucl.Phys.A220(1974)395. 3037400200020 ENDBIB 18 0 3037400200021 COMMON 2 3 3037400200022 E-LVL E-LVL 3037400200023 KEV KEV 3037400200024 0.0000E+00 3.0000E+01 3037400200025 ENDCOMMON 3 0 3037400200026 DATA 4 7 3037400200027 EN EN-RSL DATA DATA-ERR 3037400200028 MEV KEV MB MB 3037400200029 2.4050E+00 3.4000E+01 7.2000E+01 4.0000E+00 3037400200030 2.4050E+00 3.4000E+01 7.3000E+01 4.0000E+00 3037400200031 2.4280E+00 2.4000E+01 5.3000E+01 3.0000E+00 3037400200032 2.4830E+00 7.8000E+01 4.7000E+01 3.0000E+00 3037400200033 2.6420E+00 1.2800E+02 9.8000E+01 7.0000E+00 3037400200034 2.7360E+00 1.1000E+02 7.4000E+01 5.0000E+00 3037400200035 2.8580E+00 1.3400E+02 1.1300E+02 7.0000E+00 3037400200036 ENDDATA 9 0 3037400200037 ENDSUBENT 36 0 3037400299999 SUBENT 30374003 20090104 31343037400300001 BIB 5 15 3037400300002 REACTION (20-CA-40(N,A)18-AR-37,PAR,SIG) 3037400300003 Partial cross-section to ground state of Ar-37. 3037400300004 DETECTOR (SCIN) Ca-F(2)(Eu) scintillator, Nuclear 3037400300005 Enterprises, 2.5 cm in diameter and 1.3 cm in depth. 3037400300006 Cylindrical. 'Detector' = 'sample' 3037400300007 (SIBAR) .A small plastic scintillator was used to 3037400300008 determine the intensity profile of neutron beam in 3037400300009 coincidence with He-3 detection by the surface 3037400300010 barrier detector. 3037400300011 PART-DET (A) Alphas. 3037400300012 COMMENT Compiler's note: At 2.405 MeV of incident neutron 3037400300013 energy, the experiment seems to be repeated. 3037400300014 Under enquiry to the author, 77/02. 3037400300015 STATUS (TABLE) Data taken from Table 2 of 3037400300016 Nucl.Phys.A220(1974)395. 3037400300017 ENDBIB 15 0 3037400300018 COMMON 1 3 3037400300019 E-LVL 3037400300020 KEV 3037400300021 0.0000E+00 3037400300022 ENDCOMMON 3 0 3037400300023 DATA 4 6 3037400300024 EN EN-RSL DATA DATA-ERR 3037400300025 MEV KEV MB MB 3037400300026 2.4050E+00 3.4000E+01 1.9000E+01 2.0000E+00 3037400300027 2.4050E+00 3.4000E+01 2.0000E+01 2.0000E+00 3037400300028 2.4830E+00 7.8000E+01 2.2000E+01 2.0000E+00 3037400300029 2.6420E+00 1.2800E+02 2.8000E+01 2.0000E+00 3037400300030 2.7360E+00 1.1000E+02 4.1000E+01 4.0000E+00 3037400300031 2.8580E+00 1.3400E+02 6.6000E+01 5.0000E+00 3037400300032 ENDDATA 8 0 3037400300033 ENDSUBENT 32 0 3037400399999 SUBENT 30374004 20090104 31343037400400001 BIB 4 12 3037400400002 REACTION (19-K-39(N,P)18-AR-39,PAR,SIG) 3037400400003 Partial cross-section to ground state of Ar-39. 3037400400004 DETECTOR (SCIN) KI(Tl) Scintillator, Harshaw Chemical, 1.3 cm 3037400400005 in diameter and 1.3 cm in depth. Cylindrical. 3037400400006 'Detector' = 'sample'. 3037400400007 (SIBAR) .A small plastic scintillator was used to 3037400400008 determine the intensity profile of neutron beam in 3037400400009 coincidence with He-3 detection by the surface 3037400400010 barrier detector. 3037400400011 PART-DET (P) Protons. 3037400400012 STATUS (TABLE) Data taken from Table 3 of 3037400400013 Nucl.Phys.A220(1974)395. 3037400400014 ENDBIB 12 0 3037400400015 COMMON 1 3 3037400400016 E-LVL 3037400400017 KEV 3037400400018 0.0000E+00 3037400400019 ENDCOMMON 3 0 3037400400020 DATA 4 5 3037400400021 EN EN-RSL DATA DATA-ERR 3037400400022 MEV KEV MB MB 3037400400023 2.4010E+00 3.8000E+01 8.8000E+01 4.0000E+00 3037400400024 2.4730E+00 5.8000E+01 8.7000E+01 4.0000E+00 3037400400025 2.5890E+00 8.2000E+01 8.6000E+01 4.0000E+00 3037400400026 2.7510E+00 1.4000E+02 1.1700E+02 6.0000E+00 3037400400027 2.8430E+00 1.6200E+02 1.1400E+02 5.0000E+00 3037400400028 ENDDATA 7 0 3037400400029 ENDSUBENT 28 0 3037400499999 SUBENT 30374005 20090104 31343037400500001 BIB 4 12 3037400500002 REACTION (19-K-39(N,A)17-CL-36,PAR,SIG) 3037400500003 Partial cross-section to ground state of Cl-36. 3037400500004 DETECTOR (SCIN) KI(Tl) scintillator, Harshaw Chemical, 1.3 cm 3037400500005 in diameter and 1.3 cm in depth. Cylindrical. 3037400500006 'Detector' = 'sample'. 3037400500007 (SIBAR) .A small plastic scintillator was used to 3037400500008 determine the intensity profile of neutron beam in 3037400500009 coincidence with He-3 detection by the surface 3037400500010 barrier detector. 3037400500011 PART-DET (A) Alphas. 3037400500012 STATUS (TABLE) Data taken from Table 3 of 3037400500013 Nucl.Phys.A220(1974)395. 3037400500014 ENDBIB 12 0 3037400500015 COMMON 1 3 3037400500016 E-LVL 3037400500017 KEV 3037400500018 0.0000E+00 3037400500019 ENDCOMMON 3 0 3037400500020 DATA 4 5 3037400500021 EN EN-RSL DATA DATA-ERR 3037400500022 MEV KEV MB MB 3037400500023 2.4010E+00 3.8000E+01 3.2000E+00 1.5000E+00 3037400500024 2.4730E+00 5.8000E+01 4.7000E+00 1.5000E+00 3037400500025 2.5890E+00 8.2000E+01 7.2000E+00 1.7000E+00 3037400500026 2.7510E+00 1.4000E+02 1.2300E+01 2.4000E+00 3037400500027 2.8430E+00 1.6200E+02 1.6200E+01 2.5000E+00 3037400500028 ENDDATA 7 0 3037400500029 ENDSUBENT 28 0 3037400599999 ENDENTRY 5 0 3037499999999