ENTRY C0483 19990422 0000C048300000001 SUBENT C0483001 19990422 0000C048300100001 BIB 12 19 C048300100002 INSTITUTE (1USAOSU) C048300100003 REFERENCE (J,NP/A,115,120,1968) C048300100004 AUTHOR (F.L.RIFFLE,J.D.GOSS,D.R.PARSIGNAULT,J.C.HARRIS) C048300100005 TITLE Measurement of the absolute total cross section for C048300100006 the reaction 19F(p,n)19Ne. C048300100007 FACILITY (VDG,1USAOSU) The Ohio State University 6 MeV C048300100008 Van de Graaf accelerator. C048300100009 SAMPLE Fluorine targets were prepared by evaporation of CeF3 C048300100010 in a vacuum onto 25 mm thick, 99.999% pure gold C048300100011 backing. Target thicknesses ranged from 262 to 376 C048300100012 microg/cm**2. C048300100013 INC-SPECT Energy resolution is 5 keV at 5.0 MeV. C048300100014 METHOD (ACTIV) C048300100015 DECAY-DATA (10-NE-19,17.36SEC,B+) C048300100016 DETECTOR (SCIN) Two annihilation radiation spectrometers, each C048300100017 consisting of 5 cm x 5 cm NaI(Tl) crystal. C048300100018 REL-REF (N,,J.D.COSS+,J,NP/A,115,113,1968) Decription of C048300100019 detector. C048300100020 HISTORY (19990413C) VV/VM C048300100021 ENDBIB 19 0 C048300100022 NOCOMMON 0 0 C048300100023 ENDSUBENT 22 0 C048300199999 SUBENT C0483002 19990422 0000C048300200001 BIB 3 11 C048300200002 REACTION (9-F-19(P,N)10-NE-19,,SIG) C048300200003 ERR-ANALYS (DATA-ERR) Overall absolute cross section accuracy C048300200004 estimated after taking into account uncertainties C048300200005 in: C048300200006 - determination of fraction of annihilation C048300200007 radiation detected (4.0%); C048300200008 - determination of target thicknesses (5.4 - 8.0%). C048300200009 - decay constant (0.5%) C048300200010 Statistical uncertainty is 10% near threshold, and C048300200011 from 4.260 to 4.350 MeV, decreases from 1.5% to 1%. C048300200012 STATUS (NACRE) Data scanned from Fig. 3 in reference. C048300200013 ENDBIB 11 0 C048300200014 COMMON 1 3 C048300200015 EN-ERR C048300200016 KEV C048300200017 5. C048300200018 ENDCOMMON 3 0 C048300200019 DATA 3 71 C048300200020 EN DATA DATA-ERR C048300200021 MEV B B C048300200022 4.04 1.0E-03 1.0E-04 C048300200023 4.06 2.0E-03 3.0E-04 C048300200024 4.08 3.0E-03 5.0E-04 C048300200025 4.11 4.0E-03 6.0E-04 C048300200026 4.13 6.0E-03 9.0E-04 C048300200027 4.16 9.0E-03 1.4E-03 C048300200028 4.18 1.2E-02 1.7E-03 C048300200029 4.20 1.4E-02 2.0E-03 C048300200030 4.23 1.4E-02 2.2E-03 C048300200031 4.25 1.5E-02 2.2E-03 C048300200032 4.27 1.4E-02 2.2E-03 C048300200033 4.30 1.5E-02 2.2E-03 C048300200034 4.32 1.9E-02 2.8E-03 C048300200035 4.35 2.1E-02 3.2E-03 C048300200036 4.37 2.5E-02 3.7E-03 C048300200037 4.39 2.7E-02 4.0E-03 C048300200038 4.42 2.7E-02 4.0E-03 C048300200039 4.44 3.0E-02 4.4E-03 C048300200040 4.46 3.3E-02 5.0E-03 C048300200041 4.49 3.4E-02 5.1E-03 C048300200042 4.51 3.7E-02 5.6E-03 C048300200043 4.53 3.4E-02 5.1E-03 C048300200044 4.56 2.8E-02 4.2E-03 C048300200045 4.58 2.5E-02 3.7E-03 C048300200046 4.61 2.3E-02 3.4E-03 C048300200047 4.63 2.2E-02 3.3E-03 C048300200048 4.65 2.2E-02 3.3E-03 C048300200049 4.68 2.4E-02 3.6E-03 C048300200050 4.70 2.8E-02 4.1E-03 C048300200051 4.72 2.2E-02 3.3E-03 C048300200052 4.75 2.4E-02 3.6E-03 C048300200053 4.77 2.5E-02 3.8E-03 C048300200054 4.80 2.7E-02 4.0E-03 C048300200055 4.82 3.1E-02 4.6E-03 C048300200056 4.84 3.3E-02 5.0E-03 C048300200057 4.87 3.6E-02 5.4E-03 C048300200058 4.89 3.9E-02 5.9E-03 C048300200059 4.91 4.6E-02 6.8E-03 C048300200060 4.94 5.2E-02 7.8E-03 C048300200061 4.96 6.0E-02 8.9E-03 C048300200062 4.99 6.1E-02 9.1E-03 C048300200063 5.01 5.8E-02 8.7E-03 C048300200064 5.03 5.5E-02 8.3E-03 C048300200065 5.06 5.2E-02 7.8E-03 C048300200066 5.08 4.9E-02 7.4E-03 C048300200067 5.10 5.0E-02 7.4E-03 C048300200068 5.13 4.8E-02 7.2E-03 C048300200069 5.15 4.5E-02 6.7E-03 C048300200070 5.18 4.3E-02 6.5E-03 C048300200071 5.20 4.2E-02 6.3E-03 C048300200072 5.22 4.2E-02 6.3E-03 C048300200073 5.25 4.1E-02 6.1E-03 C048300200074 5.27 4.2E-02 6.2E-03 C048300200075 5.29 4.2E-02 6.3E-03 C048300200076 5.32 4.2E-02 6.3E-03 C048300200077 5.34 4.3E-02 6.4E-03 C048300200078 5.37 4.5E-02 6.7E-03 C048300200079 5.39 5.0E-02 7.6E-03 C048300200080 5.41 5.4E-02 8.1E-03 C048300200081 5.44 5.4E-02 8.1E-03 C048300200082 5.46 5.2E-02 7.8E-03 C048300200083 5.48 5.0E-02 7.5E-03 C048300200084 5.51 4.7E-02 7.1E-03 C048300200085 5.53 4.5E-02 6.8E-03 C048300200086 5.56 4.4E-02 6.6E-03 C048300200087 5.58 4.4E-02 6.5E-03 C048300200088 5.60 4.5E-02 6.8E-03 C048300200089 5.63 4.6E-02 6.9E-03 C048300200090 5.65 5.0E-02 7.5E-03 C048300200091 5.67 5.5E-02 8.2E-03 C048300200092 5.70 5.8E-02 8.6E-03 C048300200093 ENDDATA 73 0 C048300200094 ENDSUBENT 93 0 C048300299999 SUBENT C0483003 19990422 0000C048300300001 BIB 4 4 C048300300002 REACTION (9-F-19(P,0),,EN) C048300300003 ERR-ANALYS (DATA-ERR) Precision of energy assignment. C048300300004 FLAG (1.) Resonance assignment uncertain. C048300300005 STATUS Data taken from Table 3 in reference. C048300300006 ENDBIB 4 0 C048300300007 COMMON 1 3 C048300300008 DATA-ERR C048300300009 KEV C048300300010 5. C048300300011 ENDCOMMON 3 0 C048300300012 DATA 2 23 C048300300013 DATA FLAG C048300300014 MEV NO-DIM C048300300015 4.30 C048300300016 4.46 C048300300017 4.52 C048300300018 4.61 C048300300019 4.72 C048300300020 4.75 C048300300021 4.87 C048300300022 4.95 C048300300023 5.03 C048300300024 5.11 C048300300025 5.23 C048300300026 5.26 C048300300027 5.37 C048300300028 5.44 1. C048300300029 5.50 C048300300030 5.57 C048300300031 5.62 1. C048300300032 5.69 1. C048300300033 5.72 C048300300034 5.77 C048300300035 5.84 C048300300036 5.90 C048300300037 6.00 C048300300038 ENDDATA 25 0 C048300300039 ENDSUBENT 38 0 C048300399999 ENDENTRY 3 0 C048399999999