ENTRY 20922 20230203 231320922 0 1 SUBENT 20922001 20230203 231320922 1 1 BIB 16 89 20922 1 2 TITLE Absolute cross sections for some (n,p), (n,alpha) 20922 1 3 and (n,2n) reactions 20922 1 4 AUTHOR (J.M.F.Jeronymo, G.S.Mani, J.Olkowsky, A.Sadeghi, 20922 1 5 C.F.Williamson) 20922 1 6 REFERENCE (J,NP,47,157,1963) 20922 1 7 (P,EANDC(E)-49,51,1964) same data 20922 1 8 This reference is given for this work in 20922 1 9 UCRL-50400, v.2, rev.2, page 3-60. 20922 1 10 INSTITUTE (2FR SAC) CEN Saclay.G.S.Mani, J.Olkowsky, A.Sadeghi 20922 1 11 (3BZLRIO) J.M.F.Jeronymo. 20922 1 12 (1USAWAU) C.F.Williamson. 20922 1 13 REL-REF (N,,D.E.Cullen+,R,UCRL-50400,1976) 20922 1 14 Vol.8, Revision 1, part A. 20922 1 15 "Supplemental neutron-induced interactions (Z=<35): 20922 1 16 graphical, experimental data." 20922 1 17 ECSIL-374 (63) - for this article (NP,47,1,157,1963). 20922 1 18 Graphs are given. 20922 1 19 (N,,J.M.F.Jeronymo+,R,EANDC(E)-49L,51,1964) 20922 1 20 (N,,H.D.Lemmel,W,LEMEL,196906) In UCRL-40500,v.2,rev.2,20922 1 21 page 3-60 the comment for this work is given: " Data 20922 1 22 corrected as per private communication of H.D.Lemmel, 20922 1 23 IAEA, Vienna, June 1969". 20922 1 24 (A,,N.Jarmie+,R,LA-2014,1956) Angular distribution of 20922 1 25 neutrons from D(t,n)He-4 reaction was evaluated from 20922 1 26 curves given by N.Jarmie and J.D.Seagrave. 20922 1 27 FACILITY (VDG,2FR SAC) Van De Graaff generator, producing 20922 1 28 a 4 uA beam of 4.2 MeV deuterons. 20922 1 29 INC-SOURCE (D-T) Air cooled titanium-tritium disk target 1 mg/cm2 20922 1 30 thick, various neutron angles used to obtain 20922 1 31 different energies. 20922 1 32 SAMPLE All samples were cylinders of spectroscopically pure 20922 1 33 elements of diameter 10.5 mm and length 49.5 mm. 20922 1 34 Eight such samples used spaced at 20 deg intervals. 20922 1 35 METHOD (ACTIV) Eight samples were irradiated simultaneously 20922 1 36 in all cases except silicon. In silicon measurement 20922 1 37 only one sample was irradiated at time. 20922 1 38 Sample Irradiation time Waiting time Counting time 20922 1 39 Al 9.75 h > 27min 5min 20922 1 40 Mg 12.3 h > 45 min 5min 20922 1 41 Si 5 min 1 min 5min 20922 1 42 Co * 2.0 h > 40 min 5min 20922 1 43 Co ** 12.25 h > 48 min variable 20922 1 44 Ni 11.5 h > 30 min variable 20922 1 45 * - for n,alpha reaction, 20922 1 46 ** - for n,2n and n,p reactions. 20922 1 47 Background measured with unirradiated sample in 20922 1 48 rotation at frequent intervals was found to be less 20922 1 49 few percents of counts under photopeak. 20922 1 50 DETECTOR (NAICR) NaI(Tl) well crystal, 4.4 cm by 5.1 cm, with 20922 1 51 a cylindrical well 1.3 cm in diameter and 20922 1 52 4.01 cm deep. For samples counting. 20922 1 53 Before counting the samples were placed in plexiglass 20922 1 54 holder also served to absorb a part of unwanted beta 20922 1 55 activity, that accompanies the gamma rays. 20922 1 56 Empirical measure of "effective" efficiency of crystal20922 1 57 for the irradiated sources was described in Appendix 20922 1 58 of reference. 20922 1 59 Entire spectrometer was surrounded by 5 cm lead to 20922 1 60 reduce background. 20922 1 61 (SCIN) Plastic scintillator used as proton recoil 20922 1 62 spectrometer. Scintillator was 2.0 cm in 20922 1 63 diameter, 1.0 cm thick, mounted on an EMI 20922 1 64 6097 photomultiplier and placed at 50 cm 20922 1 65 from the target at 90 deg to beam direction. 20922 1 66 MONITOR (1-H-1(N,EL)1-H-1,,SIG) 20922 1 67 ANALYSIS Photopeaks were assumed to have Gaussian shape, 20922 1 68 Compton tails with backgrounds were amused to be 20922 1 69 given by series of exponential. 20922 1 70 Area under photo peak was evaluated and standard 20922 1 71 errors were obtained by inverting the normal matrix. 20922 1 72 STATUS Data from publication. 20922 1 73 CORRECTION For background. 20922 1 74 ERR-ANALYS (DATA-ERR) Data errors obtained from : 20922 1 75 1.error in area of photopeak. 20922 1 76 2.Errors in absolute efficiency determination of the 20922 1 77 well crystal. 20922 1 78 3.Errors in the d-t angular distribution. 20922 1 79 4.Error in the neutron flux measurement. 20922 1 80 Maximum error in neutron energy was 150 keV. 20922 1 81 HISTORY (19790515C) 20922 1 82 (20080312A)M.M. Dates were corrected for 4-digits year.20922 1 83 Free text was corrected to be "human-readable". 20922 1 84 BIB and COMMON information was added. 20922 1 85 SUBENT 010 was added. Comments were added in SUBENTs 20922 1 86 for Ni and Co reactions. 20922 1 87 (20080930A) M.M. Misprints in Subent 009 were corrected20922 1 88 (20200930A) SD: Correction in Subent 003. 20922 1 89 Ref. EANDC(E)-49 moved to REFERENCE from REL-REF. 20922 1 90 (20230203A) SD: Correction in Subent 008. 20922 1 91 ENDBIB 89 0 20922 1 92 COMMON 1 3 20922 1 93 EN-ERR 20922 1 94 MEV 20922 1 95 0.2 20922 1 96 ENDCOMMON 3 0 20922 1 97 ENDSUBENT 96 0 20922 199999 SUBENT 20922002 20080312 21962092200200001 BIB 3 4 2092200200002 REACTION (13-AL-27(N,A)11-NA-24,,SIG) 2092200200003 DECAY-DATA (11-NA-24,15.HR,DG,1368.,,DG,2754.) 2092200200004 Only the 1.368 MeV gamma was used. 2092200200005 STATUS (TABLE) Table 3 of reference. Fig.5 of reference. 2092200200006 ENDBIB 4 0 2092200200007 NOCOMMON 0 0 2092200200008 DATA 3 8 2092200200009 EN DATA DATA-ERR 2092200200010 MEV MB MB 2092200200011 1.2550E+01 1.1500E+02 12. 2092200200012 1.3550E+01 1.1500E+02 12. 2092200200013 1.4900E+01 1.0700E+02 11. 2092200200014 1.6500E+01 8.4000E+01 9. 2092200200015 1.8150E+01 6.4000E+01 7. 2092200200016 1.9600E+01 5.2000E+01 7. 2092200200017 2.0600E+01 3.7000E+01 6. 2092200200018 2.1000E+01 3.1000E+01 6. 2092200200019 ENDDATA 10 0 2092200200020 ENDSUBENT 19 0 2092200299999 SUBENT 20922003 20200930 229120922 3 1 BIB 4 12 20922 3 2 REACTION (12-MG-0(N,X)11-NA-24,,SIG) 20922 3 3 As the total Na-24 activity was measured, the cross 20922 3 4 section is the sum of the reactions Mg-24(n,p), 20922 3 5 Mg-25(n,d), Mg-26(n,t) weighted by abundance of 20922 3 6 respective magnesium isotope in sample. Abundances are20922 3 7 not given in reference. 20922 3 8 DECAY-DATA (11-NA-24,15.HR,DG,1368.,,DG,2754.) 20922 3 9 Only the 1.368 MeV gamma was used. 20922 3 10 STATUS (TABLE) Table 3 (and fig.6) from Nucl.Phys.,47(1963)15720922 3 11 HISTORY (20080312A) M.M. In REACTION the code Mg-0(n,x)Na-24 20922 3 12 was added, all Mg isotopes were changed into Mg-0. 20922 3 13 (20200930A) SD: Right hand of REACTION code deleted. 20922 3 14 ENDBIB 12 0 20922 3 15 NOCOMMON 0 0 20922 3 16 DATA 3 8 20922 3 17 EN DATA DATA-ERR 20922 3 18 MEV MB MB 20922 3 19 1.2550E+01 2.5500E+02 3.0000E+01 20922 3 20 1.3550E+01 2.8300E+02 3.5000E+01 20922 3 21 1.4900E+01 1.9500E+02 2.4000E+01 20922 3 22 1.6500E+01 1.7700E+02 2.2000E+01 20922 3 23 1.8150E+01 1.5800E+02 2.0000E+01 20922 3 24 1.9600E+01 1.3400E+02 1.8000E+01 20922 3 25 2.0600E+01 1.4000E+02 2.0000E+01 20922 3 26 2.1000E+01 1.2200E+02 1.4000E+01 20922 3 27 ENDDATA 10 0 20922 3 28 ENDSUBENT 27 0 20922 399999 SUBENT 20922004 20080312 21962092200400001 BIB 4 7 2092200400002 REACTION (14-SI-28(N,P)13-AL-28,,SIG) 2092200400003 DECAY-DATA (13-AL-28,2.3MIN,DG,1780.) 2092200400004 COMMENT Contributions from Si-29(N,A) and Si-30(N,T), which 2092200400005 give the same residual nucleus, are assumed negligible2092200400006 in view of the low natural abundance (4.7% and 3.1% 2092200400007 respectively) of these isotopes. 2092200400008 STATUS (TABLE) Table 3 of reference.Fig.7 of reference. 2092200400009 ENDBIB 7 0 2092200400010 NOCOMMON 0 0 2092200400011 DATA 3 8 2092200400012 EN DATA DATA-ERR 2092200400013 MEV MB MB 2092200400014 1.2550E+01 1.9700E+02 2.5000E+01 2092200400015 1.3550E+01 1.8900E+02 2.5000E+01 2092200400016 1.4900E+01 1.8100E+02 2.0000E+01 2092200400017 1.6500E+01 1.2500E+02 1.4000E+01 2092200400018 1.8150E+01 1.4000E+02 1.6000E+01 2092200400019 1.9600E+01 7.5000E+01 1.0000E+01 2092200400020 2.0600E+01 8.8000E+01 1.0000E+01 2092200400021 2.1000E+01 7.9000E+01 1.0000E+01 2092200400022 ENDDATA 10 0 2092200400023 ENDSUBENT 22 0 2092200499999 SUBENT 20922005 20080312 21962092200500001 BIB 6 9 2092200500002 REACTION (27-CO-59(N,A)25-MN-56,,SIG) 2092200500003 DECAY-DATA (25-MN-56,2.576HR,DG,845.,,DG,1810.,,DG,2130.) 2092200500004 Only the 845 keV gamma was used. 2092200500005 ANALYSIS (DECAY) Small admixture of n,2n reaction was subtracted2092200500006 out by decay curve analysis. 2092200500007 STATUS (TABLE) Table 3 of reference. Fig.9 of reference. 2092200500008 FLAG (1.) On Fig.9 at EN=14.9 MeV data value is about 24.mb.2092200500009 Data of Figure in 1st REL-REF = data of this Subent. 2092200500010 HISTORY (20080312U) M.M. Flag was added. 2092200500011 ENDBIB 9 0 2092200500012 NOCOMMON 0 0 2092200500013 DATA 4 8 2092200500014 EN DATA DATA-ERR FLAG 2092200500015 MEV MB MB NO-DIM 2092200500016 1.2550E+01 2.5000E+01 3. 2092200500017 1.3550E+01 2.6000E+01 3. 2092200500018 1.4900E+01 2.6000E+01 3. 1. 2092200500019 1.6500E+01 2.0000E+01 3. 2092200500020 1.8150E+01 1.9000E+01 3. 2092200500021 1.9600E+01 1.1000E+01 2. 2092200500022 2.0600E+01 1.1000E+01 2. 2092200500023 2.1000E+01 8. 2. 2092200500024 ENDDATA 10 0 2092200500025 ENDSUBENT 24 0 2092200599999 SUBENT 20922006 20080312 21962092200600001 BIB 6 18 2092200600002 REACTION (27-CO-59(N,P)26-FE-59,,SIG) 2092200600003 DECAY-DATA (26-FE-59,45.D,DG,191.,,DG,1098.,,DG,1289.) 2092200600004 ANALYSIS Only the 1.098 MeV gamma was used. Q=-0.780 MeV was 2092200600005 given in Table 2 for this reaction. 2092200600006 STATUS (TABLE) Table 3 and Fig.8 of reference. 2092200600007 CRITIQUE -Of E.Dupont (CEA Saclay). Data are about 3-10 times 2092200600008 too large than other exp. data. 2092200600009 -Of compiler. The origin of discrepancy is not clear. 2092200600010 Figure in REL-REF (UCRL-50400,v.8,rev.1,part A, 2092200600011 page 3-178,19760704) is the same as Fig.8 of reference.2092200600012 It could be assumed, that data for n,p reaction on Ni 2092200600013 and Co were jumbled. Proposal is to use the data of 2092200600014 SUBENT 20922010. For explanation see SUBENT 010. 2092200600015 Data, presented in this SUBENT 006, could be assumed 2092200600016 rather as total c-s for Ni(n,p)Co-58 reaction. In 1st 2092200600017 REL-REF,page 3-219, data of this SUBENT are presented 2092200600018 as Ni-58(n,p) reaction. 2092200600019 HISTORY (20080312A) (M.M.) CRITIQUE was added. 2092200600020 ENDBIB 18 0 2092200600021 NOCOMMON 0 0 2092200600022 DATA 3 7 2092200600023 EN DATA DATA-ERR 2092200600024 MEV MB MB 2092200600025 1.3550E+01 6.3900E+02 7.5000E+01 2092200600026 1.4900E+01 5.3400E+02 7.0000E+01 2092200600027 1.6500E+01 4.2800E+02 6.0000E+01 2092200600028 1.8150E+01 1.9500E+02 3.0000E+01 2092200600029 1.9600E+01 1.2000E+02 1.4000E+01 2092200600030 2.0600E+01 1.0500E+02 1.0000E+01 2092200600031 2.1000E+01 6.8000E+01 1.0000E+01 2092200600032 ENDDATA 9 0 2092200600033 ENDSUBENT 32 0 2092200699999 SUBENT 20922007 20080312 21962092200700001 BIB 6 14 2092200700002 REACTION (27-CO-59(N,2N)27-CO-58,,SIG) 2092200700003 DECAY-DATA (27-CO-58-G,71.D,DG,799.) 2092200700004 ANALYSIS Authors used 800.keV gamma ray, and said that they 2092200700005 observed only the ground state and not the isomeric 2092200700006 state. Q=-10.502MeV was given in Table 2 of reference.2092200700007 STATUS (TABLE) Table 3 of reference.Fig.10 of reference. 2092200700008 CRITIQUE Of compiler. In REL-REF (UCRL-50400,v.8,rev.1,part A, 2092200700009 197607) page 3-175, these data are presented as 2092200700010 Co-59(n,2n)Co-58-G cross section, HL=71.01 day is 2092200700011 given, what is probably misprint, because is not in 2092200700012 agreement with others exp. data. 2092200700013 HISTORY (19790515C) 2092200700014 (19790628E) 2092200700015 (20080312A) (M.M.) COMMENT was added. 2092200700016 ENDBIB 14 0 2092200700017 NOCOMMON 0 0 2092200700018 DATA 3 7 2092200700019 EN DATA DATA-ERR 2092200700020 MEV MB MB 2092200700021 1.3550E+01 2.3200E+02 3.0000E+01 2092200700022 1.4900E+01 5.0800E+02 7.0000E+01 2092200700023 1.6500E+01 6.4000E+02 6.8000E+01 2092200700024 1.8150E+01 7.2500E+02 8.5000E+01 2092200700025 1.9600E+01 7.3400E+02 8.5000E+01 2092200700026 2.0600E+01 7.5300E+02 9.0000E+01 2092200700027 2.1000E+01 6.2000E+02 7.5000E+01 2092200700028 ENDDATA 9 0 2092200700029 ENDSUBENT 28 0 2092200799999 SUBENT 20922008 20230203 231320922 8 1 BIB 6 15 20922 8 2 REACTION (28-NI-58(N,P)27-CO-58,,SIG) 20922 8 3 DECAY-DATA (27-CO-58-G,71.D,DG,799.,,DG,1664.,,DG,863.) 20922 8 4 ANALYSIS Only the 799 keV gamma was used. 20922 8 5 Authors said that they observed only ground state and 20922 8 6 not isomeric state. Q=+0.365 is given in Table 2 of 20922 8 7 reference. 20922 8 8 STATUS (TABLE) Table 3 from Nucl.Phys.,47(1963)157 20922 8 9 CRITIQUE The authors are aware that their cross sections are 20922 8 10 much smaller than the cross sections from the 20922 8 11 previous measurements, and the authors could not find 20922 8 12 the reason of the discrepancy. Note that Table 3 and 20922 8 13 Fig.11 give different values. 20922 8 14 HISTORY (20080312A) M.M. CRITIQUE of compiler was added. 20922 8 15 (20230203A) SD: SF4=Co-58g -> Co-58 in REACTION code. 20922 8 16 BIB updated. 20922 8 17 ENDBIB 15 0 20922 8 18 NOCOMMON 0 0 20922 8 19 DATA 3 8 20922 8 20 EN DATA DATA-ERR 20922 8 21 MEV MB MB 20922 8 22 12.55 130. 15. 20922 8 23 13.55 125. 15. 20922 8 24 14.90 122. 15. 20922 8 25 16.50 175. 21. 20922 8 26 18.15 261. 31. 20922 8 27 19.60 248. 30. 20922 8 28 20.60 275. 33. 20922 8 29 21.00 273. 32. 20922 8 30 ENDDATA 10 0 20922 8 31 ENDSUBENT 30 0 20922 899999 SUBENT 20922009 20080930 22042092200900001 BIB 5 11 2092200900002 REACTION (28-NI-58(N,2N)28-NI-57,,SIG) 2092200900003 DECAY-DATA (28-NI-57,36.HR,DG,128.,,DG,1380.,,DG,1910.) 2092200900004 STATUS (TABLE) Table 3 and Fig.13 of reference. 2092200900005 COMMENT Of compiler. There are misprints in Table 3 : data for 2092200900006 this reaction are presented in reverse order.See Fig.132092200900007 of reference. And Fig. of REL-REF, page 3-208. 2092200900008 HISTORY (20080312A) M.M. Correction was done in according to 2092200900009 data values on Fig.13 of reference. 2092200900010 (EN values were reversed). 2092200900011 (20080930A) M.M. Two misprints in energy values were 2092200900012 corrected . 2092200900013 ENDBIB 11 0 2092200900014 NOCOMMON 0 0 2092200900015 DATA 3 8 2092200900016 EN DATA DATA-ERR 2092200900017 MEV MB MB 2092200900018 12.55 1. 1. 2092200900019 13.55 8. 2. 2092200900020 14.90 19. 3. 2092200900021 16.50 24. 3. 2092200900022 18.50 34. 4. 2092200900023 19.60 39. 4. 2092200900024 20.60 45. 4. 2092200900025 21.00 38. 4. 2092200900026 ENDDATA 10 0 2092200900027 ENDSUBENT 26 0 2092200999999 SUBENT 20922010 20080312 21962092201000001 BIB 7 18 2092201000002 REACTION (27-CO-59(N,P)26-FE-59,,SIG) 2092201000003 DECAY-DATA (26-FE-59,45.D,DG,191.,,DG,1098.,,DG,1289.) 2092201000004 ANALYSIS Only the 1.098 MeV gamma was used. Q=-0.780 MeV was 2092201000005 given in Table 2 for this reaction. 2092201000006 CRITIQUE Of compiler. Data given for this reaction in SUBENT 0062092201000007 are in disagreement with other exp. data. 2092201000008 Data presented in this SUBENT 010 are data digitized 2092201000009 from Fig.11 of reference(marked as Ni-58(n,p) reaction,2092201000010 what is probably wrong, because disagrees with other 2092201000011 exp. data) in according to assumption(of compiler), 2092201000012 that data for n,p reaction on Ni and Co were jumbled. 2092201000013 These digitized data are in reasonable agreement with 2092201000014 other exp. data. 2092201000015 ERR-ANALYS (ERR-DIG) Digitizing error of DATA and DATA-ERR. 2092201000016 STATUS (CURVE) Data were digitized from Fig.11 of reference. 2092201000017 These data are absent in Table of reference. 2092201000018 These data has not be found in REL-REF. 2092201000019 HISTORY (20080312A) M.M. 2092201000020 ENDBIB 18 0 2092201000021 COMMON 1 3 2092201000022 ERR-DIG 2092201000023 PER-CENT 2092201000024 0.32617E-02 2092201000025 ENDCOMMON 3 0 2092201000026 DATA 3 8 2092201000027 EN DATA DATA-ERR 2092201000028 MEV MB MB 2092201000029 12.55 68.926 12.203 2092201000030 13.55 60.192 9.8632 2092201000031 14.90 55.278 7.9855 2092201000032 16.50 42.879 7.5932 2092201000033 18.15 45.827 8.4192 2092201000034 19.60 35.957 7.5737 2092201000035 20.60 38.875 7.1408 2092201000036 21.00 26.972 5.6803 2092201000037 ENDDATA 10 0 2092201000038 ENDSUBENT 37 0 2092201099999 ENDENTRY 10 0 2092299999999