ENTRY O0816 20010323 0000O081600000001 SUBENT O0816001 20010323 0000O081600100001 BIB 12 23 O081600100002 TITLE Calibration of the Cross Section of the O-18(P,A)N-15 O081600100003 Nuclear Reaction at E(P)=1700-1775 KeV. O081600100004 AUTHOR (P.F.A.ALKEMADE, C.A.M.STAP, F.H.P.M.HABRAKEN, O081600100005 W.F.VAN DER WEG) O081600100006 INSTITUTE (2NEDUTR) O081600100007 REFERENCE (J,NIM/B,35,135,1988) O081600100008 HISTORY (20001103C) O081600100009 (20001104U) Last checking has been done. O081600100010 (20010323A) DATE is corrected O081600100011 SAMPLE Partially Oxidized Silicon Samples with an Oxide Film O081600100012 Thickness of 40 Nm are Used. The O-18 Content of the O081600100013 Si-O(2) Films is Measured by Rutherford Backscattering O081600100014 Spectroscopy with an Absolute Accuracy of About +-3.5% O081600100015 Using a Bismuth Implanted Silicon Calibration Standard.O081600100016 ADD-RES (COMP).The Measured Resonance Curve is Fitted with a O081600100017 Split Breit-Wigner Function. O081600100018 DETECTOR (SIBAR) Si-Surface Barrier Detector O081600100019 FACILITY (VDG,2NEDUTR) The 3-Mv Van De Graaff Accelerator. O081600100020 The Energy Spread of the Incoming Beam is Less Than 100O081600100021 EV For 1.76 MeV Protons. O081600100022 METHOD (SITA) O081600100023 ERR-ANALYS (ANG-ERR) The Uncertainty of Reaction Angle. O081600100024 STATUS (TABLE) From Http:// O081600100025 ENDBIB 23 0 O081600100026 COMMON 2 3 O081600100027 ANG ANG-ERR O081600100028 ADEG ADEG O081600100029 155. 0.25 O081600100030 ENDCOMMON 3 0 O081600100031 ENDSUBENT 30 0 O081600199999 SUBENT O0816002 20010323 0000O081600200001 BIB 2 13 O081600200002 REACTION (8-O-18(P,A)7-N-15,,DA) O081600200003 ERR-ANALYS (ERR-T) The Uncertainty of +-4% in the Maximal Cross O081600200004 Section Originates from Counting Statistics (+-2.5%, O081600200005 MAINLY IN THE O-18 PEAK IN THE RUTHERFORD O081600200006 BACKSCATTERING SPECTROSCOPY SPECTRA OF THE SI/SI-O(2)- O081600200007 SAMPLES), Relative Beam Dose Measurements (+-1%), the O081600200008 Conversion of the Calibrated Cross Section (AT THE O081600200009 PLATEAU) To the Top (+-1.5%) And the Uncertainty in theO081600200010 Elastic O-18(A,A)O-18 Scattering Cross Section at theO081600200011 Energy Below 2 MeV (+-3%). It is Noted That at O081600200012 Energies Below 2 MeV, No Deviation from the (SCREENED) O081600200013 Rutherford Cross Section is Expected. The Error of O081600200014 +-3% May Therefore be Too Pessimistic. O081600200015 ENDBIB 13 0 O081600200016 COMMON 1 3 O081600200017 ERR-T O081600200018 PER-CENT O081600200019 4. O081600200020 ENDCOMMON 3 0 O081600200021 DATA 2 119 O081600200022 EN DATA O081600200023 KEV MB/SR O081600200024 1694. 8.57 O081600200025 1695. 8.59 O081600200026 1696. 7.41 O081600200027 1697. 6.97 O081600200028 1698. 7.02 O081600200029 1699. 8.77 O081600200030 1700. 8.81 O081600200031 1701. 6.65 O081600200032 1702. 6.69 O081600200033 1703. 6.49 O081600200034 1704. 6.53 O081600200035 1705. 7.06 O081600200036 1706. 7.35 O081600200037 1707. 5.19 O081600200038 1708. 7.68 O081600200039 1709. 5.76 O081600200040 1710. 7.02 O081600200041 1711. 6.34 O081600200042 1712. 6.13 O081600200043 1713. 7.15 O081600200044 1714. 7.68 O081600200045 1715. 5.52 O081600200046 1716. 7.52 O081600200047 1717. 8.79 O081600200048 1718. 8.83 O081600200049 1719. 8.64 O081600200050 1720. 8.67 O081600200051 1721. 8.47 O081600200052 1722. 1.05E+01 O081600200053 1723. 8.31 O081600200054 1724. 1.28E+01 O081600200055 1725. 1.18E+01 O081600200056 1726. 1.36E+01 O081600200057 1727. 1.58E+01 O081600200058 1728. 1.54E+01 O081600200059 1729. 1.54E+01 O081600200060 1730. 1.77E+01 O081600200061 1731. 1.77E+01 O081600200062 1732. 1.78E+01 O081600200063 1733. 1.85E+01 O081600200064 1734. 2.28E+01 O081600200065 1735. 2.23E+01 O081600200066 1736. 2.36E+01 O081600200067 1737. 2.41E+01 O081600200068 1738. 3.03E+01 O081600200069 1739. 2.66E+01 O081600200070 1740. 2.94E+01 O081600200071 1741. 3.41E+01 O081600200072 1742. 3.14E+01 O081600200073 1743. 3.39E+01 O081600200074 1743. 4.05E+01 O081600200075 1744. 3.93E+01 O081600200076 1744. 4.23E+01 O081600200077 1745. 3.91E+01 O081600200078 1746. 4.29E+01 O081600200079 1747. 4.39E+01 O081600200080 1748. 4.47E+01 O081600200081 1749. 4.4E+01 O081600200082 1750. 4.35E+01 O081600200083 1751. 4.4E+01 O081600200084 1752. 4.48E+01 O081600200085 1753. 4.24E+01 O081600200086 1754. 4.52E+01 O081600200087 1755. 4.62E+01 O081600200088 1756. 4.5E+01 O081600200089 1757. 4.72E+01 O081600200090 1758. 4.73E+01 O081600200091 1758. 5.29E+01 O081600200092 1759. 4.54E+01 O081600200093 1759. 4.66E+01 O081600200094 1759. 4.98E+01 O081600200095 1759. 5.67E+01 O081600200096 1760. 5.2E+01 O081600200097 1760. 5.42E+01 O081600200098 1760. 6.04E+01 O081600200099 1761. 6.26E+01 O081600200100 1761. 6.14E+01 O081600200101 1761. 7.07E+01 O081600200102 1762. 6.12E+01 O081600200103 1762. 6.48E+01 O081600200104 1762. 6.66E+01 O081600200105 1762. 7.08E+01 O081600200106 1762. 7.2E+01 O081600200107 1763. 7.49E+01 O081600200108 1763. 7.59E+01 O081600200109 1763. 8.63E+01 O081600200110 1764. 8.38E+01 O081600200111 1764. 8.97E+01 O081600200112 1764. 9.46E+01 O081600200113 1764. 1.03E+02 O081600200114 1764. 1.09E+02 O081600200115 1765. 1.01E+02 O081600200116 1765. 1.09E+02 O081600200117 1765. 1.14E+02 O081600200118 1765. 1.16E+02 O081600200119 1765. 1.19E+02 O081600200120 1766. 1.29E+02 O081600200121 1766. 1.35E+02 O081600200122 1767. 1.26E+02 O081600200123 1767. 1.21E+02 O081600200124 1767. 1.12E+02 O081600200125 1767. 1.08E+02 O081600200126 1768. 9.16E+01 O081600200127 1768. 8.91E+01 O081600200128 1768. 8.62E+01 O081600200129 1768. 6.59E+01 O081600200130 1769. 6.93E+01 O081600200131 1769. 6.44E+01 O081600200132 1769. 5.78E+01 O081600200133 1769. 5.73E+01 O081600200134 1769. 5.41E+01 O081600200135 1769. 4.29E+01 O081600200136 1770. 3.33E+01 O081600200137 1770. 2.57E+01 O081600200138 1770. 2.21E+01 O081600200139 1771. 2.21E+01 O081600200140 1771. 1.57E+01 O081600200141 1772. 1.28E+01 O081600200142 1773. 1.16E+01 O081600200143 ENDDATA 121 0 O081600200144 ENDSUBENT 143 0 O081600299999 SUBENT O0816003 20010323 0000O081600300001 BIB 4 12 O081600300002 REACTION (8-O-18(P,A)7-N-15,,DA) O081600300003 ERR-ANALYS (ERR-T) The Uncertainties in the Quoted Cross Sections O081600300004 Are Caused by the Uncertainty in Oxygen Content; by O081600300005 The Statistical Uncertainty in the Area of the O081600300006 18-O(P,A) Peak (+-2%) And by the Uncertainty in the O081600300007 Relative Proton Dose (+-1%) O081600300008 COMMENT - By Compiler - The Descrepency is Present in Quoted O081600300009 Paper. Footnote For Table 2 Suggests That UncertaintyO081600300010 Of Cross Section is Statistical One Only. But Real O081600300011 Uncertainty is More Larger Than Statistical Error. O081600300012 FLAG (1.) Sample #1 O081600300013 (2.) Sample #2 O081600300014 ENDBIB 12 0 O081600300015 NOCOMMON 0 0 O081600300016 DATA 4 3 O081600300017 EN DATA ERR-T FLAG O081600300018 KEV MB/SR MB/SR NO-DIM O081600300019 1746. 43. 1.5 1. O081600300020 1756. 48. 1.5 1. O081600300021 1756. 46. 1.8 2. O081600300022 ENDDATA 5 0 O081600300023 ENDSUBENT 22 0 O081600399999 ENDENTRY 3 0 O081699999999