ENTRY A0311 20220613 A101A031100000001 SUBENT A0311001 20220613 A101A031100100001 BIB 11 19 A031100100002 TITLE The thermonuclear reaction rate of Ni-58(p,gamma)Cu-59 A031100100003 AUTHOR (C.I.W.Tingwell,L.W.Mitchell,M.E.Sevior,D.G.Sargood) A031100100004 REFERENCE (J,NP/A,439,371,1985) A031100100005 INSTITUTE (3AULAML) A031100100006 FACILITY (VDGT,3AULAML) A031100100007 METHOD (BCINT) A031100100008 DETECTOR (GELI) Gamma-rays from the (p,gamma) and (p,p'+gamma) A031100100009 reaction were detected with a 125 cm3 Ge(Li) detector A031100100010 2.3 cm from the target in the 55. degr. direction. A031100100011 REL-REF (M,,D.L.Kennedy+,J,NIM,140,519,1977) Detector A031100100012 efficiency and energy calibration. A031100100013 ADD-RES (COMP) Statistical model. A031100100014 ERR-ANALYS (ERR-1) Uncertainty in gamma-ray detection efficiency A031100100015 (ERR-2) The error in the target thickness A031100100016 (ERR-3) The error in the beam current integration A031100100017 HISTORY (19860925C) A031100100018 (19870910U) A031100100019 (20220613A) SD:Updated to new date formats, lower case.A031100100020 Corrections in all Subents. Subent 005 added. A031100100021 ENDBIB 19 0 A031100100022 COMMON 3 3 A031100100023 ERR-1 ERR-2 ERR-3 A031100100024 PER-CENT PER-CENT PER-CENT A031100100025 10. 4. 2. A031100100026 ENDCOMMON 3 0 A031100100027 ENDSUBENT 26 0 A031100199999 SUBENT A0311002 20220613 A101A031100200001 BIB 8 24 A031100200002 REACTION (28-NI-58(P,G)29-CU-59,,SIG) A031100200003 DECAY-DATA (29-CU-59,82.SEC,DG,878.,, A031100200004 DG,1302.) A031100200005 METHOD (ACTIV,SITA,BCINT) A031100200006 SAMPLE Ni-58 target, 2.88 x 10**19 atom/cm**2 thickness, were A031100200007 prepared by evaporation of metallic nickel powder, A031100200008 isotopically enriched to 99.76% in Ni-58, A031100200009 on to 0.25 mm gold backings. The target was made A031100200010 sufficiently thick to straddle at least ten A031100200011 resonances in the (p,gamma) reaction over most of the A031100200012 range of bombarding energies to allow a meaningful A031100200013 visual comparison of the data with the predictions of A031100200014 the statistical model. A031100200015 COMMENT /By authors/ Cu-59 decays 42% to excited states of A031100200016 Ni-59 and the Ni-58(p,gamma)Cu-59 cross section A031100200017 was deduced from the yield of the resulting 878 and A031100200018 1302 keV gamma-rays accumulated over the 30 min A031100200019 bombarding period at each energy and for 10 min A031100200020 thereafter. A031100200021 ERR-ANALYS (ERR-S) Statistical error A031100200022 STATUS (CURVE) Fig.2 from Nucl.Phys.,A439(1985)371 A031100200023 (COREL,A0311003) on-line measurement A031100200024 HISTORY (20220613A) SD: SF5=IND and SF9=EXP deleted from A031100200025 REACTION code. EN-ERR -> EN-ERR-DIG. A031100200026 ENDBIB 24 0 A031100200027 COMMON 1 3 A031100200028 EN-ERR-DIG A031100200029 MEV A031100200030 0.013 A031100200031 ENDCOMMON 3 0 A031100200032 DATA 3 17 A031100200033 EN DATA ERR-S A031100200034 MEV MB MB A031100200035 1.144 35.E-05 7.E-05 A031100200036 1.347 7.41E-03 A031100200037 1.555 4.05E-03 A031100200038 1.763 1.18E-02 A031100200039 2.184 1.77E-02 A031100200040 2.391 1.35E-02 A031100200041 2.593 1.81E-02 A031100200042 2.740 2.16E-02 A031100200043 2.879 3.41E-02 A031100200044 3.034 4.08E-02 A031100200045 3.186 3.54E-02 A031100200046 3.341 4.44E-02 A031100200047 3.487 7.75E-02 A031100200048 3.641 6.02E-02 A031100200049 3.794 82.E-03 A031100200050 3.936 77.E-03 A031100200051 4.079 88.E-03 A031100200052 ENDDATA 19 0 A031100200053 ENDSUBENT 52 0 A031100299999 SUBENT A0311003 20220613 A101A031100300001 BIB 7 21 A031100300002 REACTION (28-NI-58(P,G)29-CU-59,,SIG) A031100300003 METHOD (SITA,BCINT) A031100300004 COMMENT /By authors/ There data were measured by direct A031100300005 counting of gamma-rays. The cross section was A031100300006 obtained from excitation functions of four strong A031100300007 gamma-ray lines corresponding to the ground-state A031100300008 transitions in Cu-59. A031100300009 SAMPLE Ni-58 target, 2.88 x 10**19 atom/cm**2 thickness, was A031100300010 prepared by evaporation of metallic nickel powder, A031100300011 isotopically enriched to 99.76% in Ni-58, on A031100300012 to 0.25 mm gold backing. The target was made A031100300013 sufficiently thick to straddle at least ten A031100300014 resonances in the (p,gamma) reaction over most of the A031100300015 range of bombarding energies to allow a meaningful A031100300016 visial comparison of the data with the predictions of A031100300017 the statistical model. A031100300018 ERR-ANALYS (ERR-S) Statistical error A031100300019 STATUS (CURVE) Fig.2 from Nucl.Phys.,A439(1985)371 A031100300020 (COREL,A0311002) off-line measurement A031100300021 HISTORY (20220613A) SD: SF9=EXP deleted from REACTION code. A031100300022 EN-ERR -> EN-ERR-DIG. A031100300023 ENDBIB 21 0 A031100300024 COMMON 1 3 A031100300025 EN-ERR-DIG A031100300026 MEV A031100300027 0.012 A031100300028 ENDCOMMON 3 0 A031100300029 DATA 3 17 A031100300030 EN DATA ERR-S A031100300031 MEV MB MB A031100300032 1.138 67.E-05 11.E-05 A031100300033 1.343 74.E-04 A031100300034 1.554 5.65E-03 A031100300035 1.975 87.E-04 A031100300036 2.184 177.E-04 A031100300037 2.386 138.E-04 A031100300038 2.597 185.E-04 A031100300039 2.737 200.E-04 A031100300040 2.879 337.E-04 A031100300041 3.031 388.E-04 A031100300042 3.186 358.E-04 A031100300043 3.329 407.E-04 A031100300044 3.490 815.E-04 A031100300045 3.648 501.E-04 A031100300046 3.799 591.E-04 A031100300047 3.983 657.E-04 A031100300048 4.090 781.E-04 A031100300049 ENDDATA 19 0 A031100300050 ENDSUBENT 49 0 A031100399999 SUBENT A0311004 20220613 A101A031100400001 BIB 6 21 A031100400002 REACTION (28-NI-58(P,INL)28-NI-58,,SIG,G) A031100400003 METHOD (SITA,BCINT) A031100400004 SAMPLE Ni-58 target, 4.68 x 10**18 atom/cm**2 thickness, was A031100400005 prepared by evaporation of metallic nickel powder, A031100400006 isotopically enriched to 99.76% in Ni-58, on to A031100400007 0.25 mm gold backings. Target was made sufficiently A031100400008 thin that the cross sections data would always provide A031100400009 at least ten points in the Gamow peak for thermo- A031100400010 nuclear-reaction-rate calculations at all temperatures A031100400011 of astrophysical interest. A031100400012 COMMENT /By authors/ The cross section for the reaction A031100400013 58Ni(p,p'+gamma)58Ni shown at the fig.3. The 1454 keV A031100400014 1-0 transition from this reaction dominated the A031100400015 gamma-ray spectra for bombarding energies above 3 MeV A031100400016 other ground-state transitions represented less than A031100400017 1% of the total and the excitation function of the A031100400018 1454 keV line was taken as a reliable measure of the A031100400019 total (p,p'+gamma) cross section. A031100400020 STATUS (CURVE) Fig.3 from Nucl.Phys.,A439(1985)371 A031100400021 HISTORY (20220613A) SD: SF9=EXP deleted from REACTION code. A031100400022 EN-ERR -> EN-ERR-DIG; DATA-ERR -> ERR-DIG. A031100400023 ENDBIB 21 0 A031100400024 COMMON 1 3 A031100400025 EN-ERR-DIG A031100400026 MEV A031100400027 0.008 A031100400028 ENDCOMMON 3 0 A031100400029 DATA 3 12 A031100400030 EN DATA ERR-DIG A031100400031 MEV MB MB A031100400032 2.394 64.E-05 4.E-05 A031100400033 2.598 473.E-05 27.E-05 A031100400034 2.755 137.E-04 8.E-04 A031100400035 2.910 159.E-03 9.E-03 A031100400036 3.064 189.E-03 11.E-03 A031100400037 3.214 421.E-03 24.E-03 A031100400038 3.367 492.E-03 28.E-03 A031100400039 3.526 235.E-02 13.E-02 A031100400040 3.672 348.E-02 2.E-01 A031100400041 3.817 760.E-02 4.E-01 A031100400042 3.978 120.E-01 7.E-01 A031100400043 4.130 288.E-01 16.E-01 A031100400044 ENDDATA 14 0 A031100400045 ENDSUBENT 44 0 A031100499999 SUBENT A0311005 20220613 A101A031100500001 BIB 4 5 A031100500002 REACTION (28-NI-58(P,G)29-CU-59,,SGV) A031100500003 ANALYSIS The reaction rate was derived from Hauser-Feschbach A031100500004 calculation scaled to the measured excitation function A031100500005 STATUS (TABLE) Tbl. 1 from Nucl.Phys.,A439(1985)371 A031100500006 HISTORY (20220613C) SD A031100500007 ENDBIB 5 0 A031100500008 NOCOMMON 0 0 A031100500009 DATA 2 21 A031100500010 KT DATA A031100500011 K9 CM3/S/MOL A031100500012 0.5 1.71E-05 A031100500013 0.6 3.32E-04 A031100500014 0.8 1.60E-02 A031100500015 1.0 1.70E-01 A031100500016 1.2 8.46E-01 A031100500017 1.4 2.76 A031100500018 1.5 4.48 A031100500019 1.6 6.91 A031100500020 1.8 1.45E+01 A031100500021 2.0 2.71E+01 A031100500022 2.5 8.84E+01 A031100500023 3.0 2.08E+01 A031100500024 3.5 4.03E+02 A031100500025 4.0 6.86E+02 A031100500026 4.5 1.07E+03 A031100500027 5.0 1.57E+03 A031100500028 6.0 2.95E+03 A031100500029 7.0 4.85E+03 A031100500030 8.0 7.29E+03 A031100500031 9.0 1.02E+04 A031100500032 10.0 1.35E+04 A031100500033 ENDDATA 23 0 A031100500034 ENDSUBENT 33 0 A031100599999 ENDENTRY 5 0 A031199999999