ENTRY            B0173   20020117                             B019B017300000001 
SUBENT        B0173001   20020117                             B019B017300100001 
BIB                 14         40                                 B017300100002 
TITLE      The Reaction Rate of the C-13(ALPHA,N)O-16 Process.    B017300100003 
AUTHOR     (E.RAMSTROEM, T.WIEDLING)                              B017300100004 
INSTITUTE  (2SWDAE )                                              B017300100005 
REFERENCE  (J,AJ,211,223,1977)                                    B017300100006 
FACILITY   (VDG,2SWDAE )                                          B017300100007 
DETECTOR   (BF3)                                                  B017300100008 
           A Number of 20 Boron-Trifluoride Tubes, Each with a    B017300100009 
           Sensitive Length of 100 Cm and a Diameter of 4 Cm were B017300100010 
           Positioned in a Moderator Assembly in 4 Pi-Geometry.   B017300100011 
           The Whole Detector was Shielded by Boron Plastic,      B017300100012 
           Cadmium, Paraffin and Concrete. A Detector  Efficiency B017300100013 
           Of (18.3 +- 1.5)% was Obtained.                        B017300100014 
SAMPLE     Carbon Targets, Made by Heating a 0.1 mm Thick TantalumB017300100015 
           Foil to Red Heat in an Atmosphere of Methyl Iodide     B017300100016 
           Enriched with C-13 to 89%. The Target Thicknesses were B017300100017 
           Determined by Weighing Before and After the Cracking   B017300100018 
           Procedure.  Additionally, the Thicknesses of the Thin  B017300100019 
           Targets were Determined by Measuring the Width of the  B017300100020 
           Sharp Resonance at 1.056 MeV For the C-13(ALPHA,N)0-16 B017300100021 
           Reaction.                                              B017300100022 
METHOD     (EXTB,SITA,BCINT)                                      B017300100023 
           The Analyzing Magnet of the Van De Graaff Accelerator  B017300100024 
           Was Energy Calibrated by Measuring the Neutron Yield   B017300100025 
           Of the C-13(A,N) Reaction at the Sharp Resonance at    B017300100026 
           1.056 MeV.                                             B017300100027 
ANALYSIS   The Yield Curve Consists of a Nonresonant Part and a   B017300100028 
           Single Sharp Resonance at 1.056 MeV.                   B017300100029 
ERR-ANALYS No Error Analysis is Given.                            B017300100030 
ADD-RES    The Neutron Yields were Measured in Order to           B017300100031 
           Derive an Expression For the Life-Time of C-13 Nuclei  B017300100032 
           Burning by the (ALPHA,N) Process.                      B017300100033 
CORRECTION Energy Degradation of the Alpha-Particles Due to       B017300100034 
           Carbon Deposits on the Targets were Corrected For.     B017300100035 
STATUS     (CURVE)                                                B017300100036 
           By the Authors the Neutron Yield Per Microcoulomb      B017300100037 
           Was Given. The Yields in Part/Microampere * Hour       B017300100038 
           Were Calculated by the Compiler.                       B017300100039 
HISTORY    (19801115C)Nekw                                        B017300100040 
           (20020111A) Data Units were Changed                    B017300100041 
           (20020117U) Last checking has been done.               B017300100042 
ENDBIB              40          0                                 B017300100043 
NOCOMMON             0          0                                 B017300100044 
ENDSUBENT           43          0                                 B017300199999 
SUBENT        B0173002   20020117                             B019B017300200001 
BIB                  3          9                                 B017300200002 
REACTION  1(6-C-13(A,N)8-O-16,,PY,,,EXP)                          B017300200003 
          2(6-C-13(A,N)8-O-16,,PY,,,EXP)                          B017300200004 
PART-DET   (N)                                                    B017300200005 
SAMPLE    1Target Thickness 88 Microgram/Cm**2, Corresponding to  B017300200006 
           An Absorption Thickness of 0.176 MeV For 1 MeV Alpha-  B017300200007 
           Particles.                                             B017300200008 
          2Target Thickness 13 Microgram/Cm**2, Corresponding to  B017300200009 
           An Absorption Thickness of 0.026 MeV For 1 MeV Alpha-  B017300200010 
           Particles.                                             B017300200011 
ENDBIB               9          0                                 B017300200012 
NOCOMMON             0          0                                 B017300200013 
DATA                 3         39                                 B017300200014 
EN         DATA      1DATA      2                                 B017300200015 
MEV        PRD/INC    PRD/INC                                     B017300200016 
      0.602 1.2906E-14                                            B017300200017 
      0.622 2.2252E-14                                            B017300200018 
      0.636 3.1153E-14                                            B017300200019 
      0.655 5.3405E-14                                            B017300200020 
      0.673 8.9008E-14                                            B017300200021 
      0.681            3.4713E-16                                 B017300200022 
      0.701 1.6466E-13                                            B017300200023 
      0.713 2.0027E-13                                            B017300200024 
      0.719 2.3587E-13                                            B017300200025 
      0.721            9.3458E-16                                 B017300200026 
      0.733 2.6702E-13                                            B017300200027 
      0.759 5.3405E-13                                            B017300200028 
       0.76            2.2252E-15                                 B017300200029 
      0.775 6.6756E-13                                            B017300200030 
       0.78 8.0107E-13                                            B017300200031 
        0.8            4.4504E-15                                 B017300200032 
      0.814 1.2016E-12                                            B017300200033 
      0.835 2.0027E-12                                            B017300200034 
      0.839            1.0236E-14                                 B017300200035 
      0.854 2.4477E-12                                            B017300200036 
      0.874 3.6048E-12                                            B017300200037 
      0.878            2.0472E-14                                 B017300200038 
      0.894 4.8954E-12                                            B017300200039 
      0.899            2.8037E-14                                 B017300200040 
      0.913 8.4557E-12                                            B017300200041 
      0.918            3.8718E-14                                 B017300200042 
      0.933 1.2016E-11                                            B017300200043 
      0.939            5.3405E-14                                 B017300200044 
      0.953 1.9137E-11                                            B017300200045 
      0.957            7.1206E-14                                 B017300200046 
      0.971 2.0917E-11                                            B017300200047 
      0.976            1.0236E-13                                 B017300200048 
      0.997            1.4241E-13                                 B017300200049 
       1.04 9.3458E-11                                            B017300200050 
       1.05 1.7802E-10                                            B017300200051 
       1.09 3.1153E-10                                            B017300200052 
       1.11 3.5603E-10                                            B017300200053 
       1.13 3.8718E-10                                            B017300200054 
       1.15 4.4504E-10                                            B017300200055 
ENDDATA             41          0                                 B017300200056 
ENDSUBENT           55          0                                 B017300299999 
ENDENTRY             2          0                                 B017399999999