ENTRY C2709 20220403 C219C2709 0 1 SUBENT C2709001 20220403 C219C2709 1 1 BIB 7 25 C2709 1 2 TITLE Proton capture on 28Si and its astrophysical C2709 1 3 implications C2709 1 4 AUTHOR (S.Graff,J.Gorres,M.Wiescher,R.E.Azuma,J.King,J.Vise, C2709 1 5 G.Hardie,T.R.Wang) C2709 1 6 INSTITUTE (1USANOT,1CANTOR,1USAWMU,1USACAL) C2709 1 7 REFERENCE (J,NP/A,510,346,1990) C2709 1 8 #doi:10.1016/0375-9474(90)90244-G C2709 1 9 FACILITY (VDG,1CANTOR) The 1 MV JN Van de Graaff accelerator at C2709 1 10 the University of Toronto supplied proton beams in the C2709 1 11 energy range of Ep = 350-950 keV. Energy resolution andC2709 1 12 calibration were better than 1 and 2 keV. C2709 1 13 (VDGT,1USACAL) The 3 MV Pelletron tandem accelerator C2709 1 14 at the Kellogg Radiation Laboratory at the California C2709 1 15 Institute of Technology supplied proton beams in the C2709 1 16 energy range of Ep = 700-2950 keV. Energy resolution C2709 1 17 was 2 keV, measured using the 27Al(p,gamma)28Si C2709 1 18 resonance at ER = 991.88+/-0.04 keV. The proton energy C2709 1 19 was calibrated with this resonance and the C2709 1 20 28Si(p,gamma)29P resonance at ER = 1380.2+/-0.8 keV C2709 1 21 to better than l.0 keV. C2709 1 22 SAMPLE SiO targets were produced by evaporation of SiO2 on to C2709 1 23 a thick Ta backing. The target thicknesses were C2709 1 24 50 and 100 mu-g/cm2. C2709 1 25 (14-SI-28,ENR=0.993) C2709 1 26 HISTORY (20220403C) OG C2709 1 27 ENDBIB 25 0 C2709 1 28 NOCOMMON 0 0 C2709 1 29 ENDSUBENT 28 0 C2709 199999 SUBENT C2709002 20220403 C219C2709 2 1 BIB 5 9 C2709 2 2 REACTION (14-SI-28(P,G)15-P-29,PAR,SIG,,REL) C2709 2 3 LEVEL-PROP (15-P-29,E-LVL=0.0,SPIN=0.5,PARITY=+1.) C2709 2 4 DETECTOR (GELI) The gamma-radiation was observed with a 35% Ge C2709 2 5 detector in close geometry at 55 degrees with respect C2709 2 6 to the beam and was shielded by 5 cm of lead to reduce C2709 2 7 the gamma-ray room background. C2709 2 8 ERR-ANALYS (DATA-ERR) No information on sources of uncertainties. C2709 2 9 STATUS (CURVE) Fig.2 (p.351) in J,NP/A,510,346,1990 was C2709 2 10 digitized by GSYS2.4.7. C2709 2 11 ENDBIB 9 0 C2709 2 12 COMMON 1 3 C2709 2 13 E-LVL C2709 2 14 MEV C2709 2 15 0.0 C2709 2 16 ENDCOMMON 3 0 C2709 2 17 DATA 3 55 C2709 2 18 EN DATA DATA-ERR C2709 2 19 MEV ARB-UNITS ARB-UNITS C2709 2 20 0.598 2.226E-03 1.041E-03 C2709 2 21 0.650 2.362E-03 9.538E-04 C2709 2 22 0.765 7.372E-03 9.837E-04 C2709 2 23 0.803 1.283E-02 1.245E-03 C2709 2 24 0.854 1.896E-02 1.493E-03 C2709 2 25 0.893 3.469E-02 5.465E-03 C2709 2 26 0.958 3.996E-02 3.145E-03 C2709 2 27 1.051 8.356E-02 4.837E-03 C2709 2 28 1.153 1.646E-01 1.409E-02 C2709 2 29 1.251 3.709E-01 C2709 2 30 1.353 5.843E-01 C2709 2 31 1.455 1.326E+00 5.797E-02 C2709 2 32 1.500 2.235E+00 C2709 2 33 1.552 4.503E+00 C2709 2 34 1.572 7.419E+00 3.771E-01 C2709 2 35 1.596 1.357E+01 1.160E+00 C2709 2 36 1.622 3.058E+01 C2709 2 37 1.635 4.964E+01 C2709 2 38 1.646 7.707E+01 C2709 2 39 1.657 8.365E+01 C2709 2 40 1.668 7.260E+01 C2709 2 41 1.672 6.301E+01 C2709 2 42 1.681 5.114E+01 C2709 2 43 1.700 2.355E+01 1.363E+00 C2709 2 44 1.719 1.085E+01 7.038E-01 C2709 2 45 1.747 6.294E+00 C2709 2 46 1.771 3.819E+00 C2709 2 47 1.792 2.670E+00 C2709 2 48 1.844 1.657E+00 1.304E-01 C2709 2 49 1.894 1.133E+00 6.556E-02 C2709 2 50 1.944 1.083E+00 7.778E-02 C2709 2 51 1.996 1.266E+00 9.094E-02 C2709 2 52 2.039 2.590E+00 C2709 2 53 2.061 4.299E+00 3.088E-01 C2709 2 54 2.072 6.382E+00 5.455E-01 C2709 2 55 2.074 1.258E+01 9.900E-01 C2709 2 56 2.087 2.942E+01 C2709 2 57 2.103 2.553E+01 C2709 2 58 2.109 1.013E+01 7.277E-01 C2709 2 59 2.124 3.463E+00 3.241E-01 C2709 2 60 2.143 1.559E+00 1.207E-01 C2709 2 61 2.245 9.820E-01 1.039E-01 C2709 2 62 2.305 1.294E+00 1.195E-01 C2709 2 63 2.333 1.011E+00 1.002E-01 C2709 2 64 2.385 1.479E+00 8.560E-02 C2709 2 65 2.431 1.850E+00 1.456E-01 C2709 2 66 2.485 2.163E+00 1.851E-01 C2709 2 67 2.535 2.454E+00 2.100E-01 C2709 2 68 2.682 4.134E+00 2.970E-01 C2709 2 69 2.732 4.657E+00 4.301E-01 C2709 2 70 2.780 5.286E+00 4.523E-01 C2709 2 71 2.803 5.246E+00 4.490E-01 C2709 2 72 2.832 5.130E+00 4.738E-01 C2709 2 73 2.879 4.796E+00 4.753E-01 C2709 2 74 2.931 2.846E+00 3.573E-01 C2709 2 75 ENDDATA 57 0 C2709 2 76 ENDSUBENT 75 0 C2709 299999 SUBENT C2709003 20220403 C219C2709 3 1 BIB 5 9 C2709 3 2 REACTION (14-SI-28(P,G)15-P-29,PAR,SIG,,REL) C2709 3 3 LEVEL-PROP (15-P-29,E-LVL=1.38,SPIN=1.5,PARITY=+1.) C2709 3 4 DETECTOR (GELI) The gamma-radiation was observed with a 35% Ge C2709 3 5 detector in close geometry at 55 degrees with respect C2709 3 6 to the beam and was shielded by 5 cm of lead to reduce C2709 3 7 the gamma-ray room background. C2709 3 8 ERR-ANALYS (DATA-ERR) No information on sources of uncertainties. C2709 3 9 STATUS (CURVE) Fig.3 (p.352) in J,NP/A,510,346,1990 was C2709 3 10 digitized by GSYS2.4.7. C2709 3 11 ENDBIB 9 0 C2709 3 12 COMMON 1 3 C2709 3 13 E-LVL C2709 3 14 MEV C2709 3 15 1.38 C2709 3 16 ENDCOMMON 3 0 C2709 3 17 DATA 3 50 C2709 3 18 EN DATA DATA-ERR C2709 3 19 MEV ARB-UNITS ARB-UNITS C2709 3 20 0.870 2.100E-03 9.158E-04 C2709 3 21 0.954 3.887E-03 1.133E-03 C2709 3 22 1.049 1.711E-02 1.621E-03 C2709 3 23 1.150 1.997E-02 1.891E-03 C2709 3 24 1.251 3.602E-02 1.962E-03 C2709 3 25 1.354 5.329E-02 5.236E-03 C2709 3 26 1.449 1.172E-01 5.906E-03 C2709 3 27 1.502 1.795E-01 1.411E-02 C2709 3 28 1.559 3.156E-01 2.480E-02 C2709 3 29 1.582 5.794E-01 3.155E-02 C2709 3 30 1.599 9.228E-01 7.443E-02 C2709 3 31 1.631 2.301E+00 1.430E-01 C2709 3 32 1.639 3.875E+00 2.766E-01 C2709 3 33 1.655 5.284E+00 5.192E-01 C2709 3 34 1.664 6.278E+00 5.359E-01 C2709 3 35 1.677 4.334E+00 3.578E-01 C2709 3 36 1.679 5.171E+00 3.454E-01 C2709 3 37 1.700 2.572E+00 2.316E-01 C2709 3 38 1.728 1.226E+00 1.103E-01 C2709 3 39 1.748 8.033E-01 7.606E-02 C2709 3 40 1.775 5.043E-01 4.065E-02 C2709 3 41 1.794 3.827E-01 2.908E-02 C2709 3 42 1.847 3.510E-01 2.339E-02 C2709 3 43 1.898 2.663E-01 2.522E-02 C2709 3 44 1.948 2.708E-01 2.694E-02 C2709 3 45 1.996 3.176E-01 3.367E-02 C2709 3 46 2.039 3.094E-01 4.729E-02 C2709 3 47 2.062 4.007E-01 6.523E-02 C2709 3 48 2.075 5.631E-01 1.117E-01 C2709 3 49 2.091 1.957E+00 1.460E-01 C2709 3 50 2.112 1.266E+00 1.998E-01 C2709 3 51 2.113 8.738E-01 1.126E-01 C2709 3 52 2.145 8.155E-01 5.103E-02 C2709 3 53 2.193 6.187E-01 5.108E-02 C2709 3 54 2.245 5.849E-01 4.829E-02 C2709 3 55 2.306 5.673E-01 5.131E-02 C2709 3 56 2.329 6.682E-01 6.825E-02 C2709 3 57 2.383 7.281E-01 6.585E-02 C2709 3 58 2.430 7.833E-01 5.846E-02 C2709 3 59 2.482 1.010E+00 7.133E-02 C2709 3 60 2.534 1.189E+00 1.168E-01 C2709 3 61 2.585 1.449E+00 1.254E-01 C2709 3 62 2.624 1.614E+00 1.896E-01 C2709 3 63 2.688 2.317E+00 1.914E-01 C2709 3 64 2.735 2.636E+00 2.281E-01 C2709 3 65 2.781 2.910E+00 3.967E-01 C2709 3 66 2.802 3.025E+00 1.893E-01 C2709 3 67 2.832 3.255E+00 2.944E-01 C2709 3 68 2.884 3.157E+00 2.979E-01 C2709 3 69 2.936 2.324E+00 2.907E-01 C2709 3 70 ENDDATA 52 0 C2709 3 71 ENDSUBENT 70 0 C2709 399999 SUBENT C2709004 20220403 C219C2709 4 1 BIB 4 9 C2709 4 2 REACTION (14-SI-28(P,G)15-P-29,PAR,DA,,LEG/RS) C2709 4 3 DETECTOR (GELI) For the angular distribution measurements Ge(Li)C2709 4 4 detector was placed at 0, 30, 45, 60, 90 and 105 C2709 4 5 degrees at a distance of 4 cm from the target. C2709 4 6 A second detector, placed at -90 degrees, served as C2709 4 7 monitor to normalize the data. C2709 4 8 ERR-ANALYS (DATA-ERR) No information on sources of uncertainties. C2709 4 9 STATUS (CURVE) Fig.4 (p.353) in J,NP/A,510,346,1990 was C2709 4 10 digitized by GSYS2.4.7. C2709 4 11 ENDBIB 9 0 C2709 4 12 NOCOMMON 0 0 C2709 4 13 DATA 5 26 C2709 4 14 E-LVL NUMBER EN DATA DATA-ERR C2709 4 15 MEV NO-DIM MEV NO-DIM NO-DIM C2709 4 16 0.0 1. 1.106 -0.271 0.250 C2709 4 17 0.0 1. 1.303 -0.018 0.204 C2709 4 18 0.0 1. 1.505 0.088 0.102 C2709 4 19 0.0 1. 1.654 -0.064 0.120 C2709 4 20 0.0 1. 1.804 -0.096 0.083 C2709 4 21 0.0 1. 1.943 0.381 0.194 C2709 4 22 0.0 1. 2.092 0.183 0.139 C2709 4 23 0.0 2. 1.098 -0.495 0.239 C2709 4 24 0.0 2. 1.300 -0.899 0.138 C2709 4 25 0.0 2. 1.496 -0.697 0.101 C2709 4 26 0.0 2. 1.645 -0.431 0.119 C2709 4 27 0.0 2. 1.796 0.229 0.083 C2709 4 28 0.0 2. 1.935 0.128 0.193 C2709 4 29 0.0 2. 2.084 -0.083 0.138 C2709 4 30 1.38 1. 1.289 -0.055 0.074 C2709 4 31 1.38 1. 1.487 0.112 0.176 C2709 4 32 1.38 1. 1.637 0.219 0.120 C2709 4 33 1.38 1. 1.786 -0.230 0.157 C2709 4 34 1.38 1. 1.926 -0.171 0.371 C2709 4 35 1.38 1. 2.075 -0.212 0.139 C2709 4 36 1.38 2. 1.304 0.046 0.073 C2709 4 37 1.38 2. 1.502 0.183 0.174 C2709 4 38 1.38 2. 1.653 0.413 0.119 C2709 4 39 1.38 2. 1.802 0.083 0.156 C2709 4 40 1.38 2. 1.949 0.165 0.275 C2709 4 41 1.38 2. 2.091 0.009 0.138 C2709 4 42 ENDDATA 28 0 C2709 4 43 ENDSUBENT 42 0 C2709 499999 SUBENT C2709005 20220403 C219C2709 5 1 BIB 4 8 C2709 5 2 REACTION (14-SI-28(P,G),,WID/STR) C2709 5 3 ERR-ANALYS (ERR-T) The errors include: C2709 5 4 the uncertainty of the reference values, C2709 5 5 (ERR-1) the errors of the stopping power (l0%), C2709 5 6 (ERR-2) the relative gamma-efficiency (5%), C2709 5 7 (ERR-3) the charge measurement (5%). C2709 5 8 REL-REF (R,,P.M.Endt+,J,NP/A,310,1,1978) Resonance energies C2709 5 9 STATUS (TABLE) Tab.1 (p.350) in J,NP/A,510,346,1990 C2709 5 10 ENDBIB 8 0 C2709 5 11 COMMON 3 3 C2709 5 12 ERR-1 ERR-2 ERR-3 C2709 5 13 PER-CENT PER-CENT PER-CENT C2709 5 14 10. 5. 5. C2709 5 15 ENDCOMMON 3 0 C2709 5 16 DATA 3 6 C2709 5 17 EN-RES DATA ERR-T C2709 5 18 MEV MILLI-EV MILLI-EV C2709 5 19 0.371 1.8 0.4 C2709 5 20 0.724 0.16 0.03 C2709 5 21 1.380 30. 5. C2709 5 22 1.652 2600. 400. C2709 5 23 2.083 510. 100. C2709 5 24 2.880 2600. 400. C2709 5 25 ENDDATA 8 0 C2709 5 26 ENDSUBENT 25 0 C2709 599999 SUBENT C2709006 20220403 C219C2709 6 1 BIB 3 3 C2709 6 2 REACTION (14-SI-28(P,G),PAR,WID/STR) C2709 6 3 ERR-ANALYS (DATA-ERR) No information on sources of uncertainties. C2709 6 4 STATUS (TABLE) Tab.2 (p.353) in J,NP/A,510,346,1990 C2709 6 5 ENDBIB 3 0 C2709 6 6 NOCOMMON 0 0 C2709 6 7 DATA 5 6 C2709 6 8 E-LVL EN-RES EN-RES-ERR DATA DATA-ERR C2709 6 9 MEV MEV EV EV EV C2709 6 10 0. 1.652 0.001 2.4 0.4 C2709 6 11 0. 2.082 0.002 0.47 0.07 C2709 6 12 0. 2.877 0.020 1.6 0.3 C2709 6 13 1.38 1.652 0.001 0.19 0.03 C2709 6 14 1.38 2.082 0.002 0.033 0.005 C2709 6 15 1.38 2.877 0.020 0.99 0.15 C2709 6 16 ENDDATA 8 0 C2709 6 17 ENDSUBENT 16 0 C2709 699999 SUBENT C2709007 20220403 C219C2709 7 1 BIB 3 3 C2709 7 2 REACTION (14-SI-28(P,TOT),,WID) C2709 7 3 ERR-ANALYS (DATA-ERR) No information on sources of uncertainties. C2709 7 4 STATUS (TABLE) Tab.2 (p.353) in J,NP/A,510,346,1990 C2709 7 5 ENDBIB 3 0 C2709 7 6 NOCOMMON 0 0 C2709 7 7 DATA 4 3 C2709 7 8 EN-RES EN-RES-ERR DATA DATA-ERR C2709 7 9 MEV EV KEV KEV C2709 7 10 1.652 0.001 50. 2. C2709 7 11 2.082 0.002 19. 2. C2709 7 12 2.877 0.020 425. 25. C2709 7 13 ENDDATA 5 0 C2709 7 14 ENDSUBENT 13 0 C2709 799999 ENDENTRY 7 0 C270999999999