ENTRY T0060 20001101 0000T006000000001 SUBENT T0060001 20001101 0000T006000100001 BIB 10 18 T006000100002 INSTITUTE (1USATNL,1USADKE) T006000100003 REFERENCE (J,NIM,80,304,1970) T006000100004 AUTHOR (TH.STAMMBACH,G.SPALEK,J.TAYLOR,R.L.WALTER) T006000100005 TITLE 9Be(alpha,n)12C as a source of polarized 7.8 MeV T006000100006 neutrons T006000100007 FACILITY (VDG,1USATNL) T006000100008 SAMPLE Natural Be evaporated onto a Ta backing from a BeO T006000100009 cruble. Target was 100 keV thick. T006000100010 DETECTOR (SCIN) Side detectors were NE213 scintillators 21.5cm T006000100011 from He cell for measurement with the 100 keV target T006000100012 and NE102 at 16.5cm for the calibration measurement T006000100013 with the 300 keV target. T006000100014 METHOD Target thicknesses were determined by weighing the T006000100015 backings before and after the evaporation. T006000100016 ERR-ANALYS (ERR-1) Comparative yield measurements with different T006000100017 targets showed a mean square deviation in target T006000100018 thickness of about 20% for the targets employed. T006000100019 HISTORY (20001024C) SD T006000100020 ENDBIB 18 0 T006000100021 COMMON 1 3 T006000100022 ERR-1 T006000100023 PER-CENT T006000100024 20.0 T006000100025 ENDCOMMON 3 0 T006000100026 ENDSUBENT 25 0 T006000199999 SUBENT T0060002 20001018 0000T006000200001 BIB 3 3 T006000200002 REACTION (4-BE-9(A,N)6-C-12,PAR,POL/DA) T006000200003 ERR-ANALYS (ERR-S) Statistical uncertainties T006000200004 STATUS Data taken from Table 1 of reference. T006000200005 ENDBIB 3 0 T006000200006 NOCOMMON 0 0 T006000200007 DATA 6 48 T006000200008 E-LVL EN ANG E-EXC DATA ERR-S T006000200009 MEV MEV ADEG MEV NO-DIM NO-DIM T006000200010 0.0 2.35 30.0 3.37 0.41 0.06 T006000200011 0.0 2.35 40.0 3.28 0.35 0.06 T006000200012 0.0 2.35 50.0 3.16 0.35 0.06 T006000200013 0.0 2.35 60.0 3.03 0.14 0.07 T006000200014 0.0 2.40 45.0 3.26 0.41 0.06 T006000200015 0.0 2.45 30.0 3.46 0.64 0.06 T006000200016 0.0 2.45 40.0 3.36 0.60 0.06 T006000200017 0.0 2.45 50.0 3.24 0.57 0.07 T006000200018 0.0 2.45 60.0 3.11 0.14 0.07 T006000200019 0.0 2.50 45.0 3.34 0.61 0.05 T006000200020 0.0 2.55 30.0 3.55 0.52 0.05 T006000200021 0.0 2.55 40.0 3.44 0.50 0.06 T006000200022 0.0 2.55 50.0 3.32 0.56 0.05 T006000200023 0.0 2.55 60.0 3.18 0.39 0.06 T006000200024 0.0 2.60 45.0 3.42 0.42 0.05 T006000200025 0.0 2.655 40.0 3.53 0.36 0.05 T006000200026 0.0 2.655 50.0 3.40 0.49 0.05 T006000200027 0.0 2.655 60.0 3.26 0.46 0.06 T006000200028 0.0 2.705 45.0 3.51 0.41 0.04 T006000200029 0.0 2.755 40.0 3.61 0.27 0.06 T006000200030 0.0 2.755 50.0 3.48 0.37 0.08 T006000200031 0.0 2.755 60.0 3.33 0.49 0.09 T006000200032 0.0 2.805 45.0 3.59 0.30 0.06 T006000200033 0.0 2.855 50.0 3.56 0.25 0.05 T006000200034 4.44 2.35 30.0 7.86 0.38 0.03 T006000200035 4.44 2.35 40.0 7.71 0.37 0.04 T006000200036 4.44 2.35 50.0 7.54 0.35 0.04 T006000200037 4.44 2.35 60.0 7.35 0.25 0.04 T006000200038 4.44 2.40 45.0 7.67 0.46 0.04 T006000200039 4.44 2.45 30.0 7.95 0.39 0.04 T006000200040 4.44 2.45 40.0 7.80 0.55 0.04 T006000200041 4.44 2.45 50.0 7.63 0.44 0.04 T006000200042 4.44 2.45 60.0 7.43 0.31 0.04 T006000200043 4.44 2.50 45.0 7.76 0.63 0.04 T006000200044 4.44 2.55 30.0 8.04 0.42 0.05 T006000200045 4.44 2.55 40.0 7.89 0.59 0.04 T006000200046 4.44 2.55 50.0 7.71 0.52 0.04 T006000200047 4.44 2.55 60.0 7.51 0.42 0.05 T006000200048 4.44 2.60 45.0 7.85 0.60 0.04 T006000200049 4.44 2.655 40.0 7.98 0.45 0.05 T006000200050 4.44 2.655 50.0 7.79 0.60 0.05 T006000200051 4.44 2.655 60.0 7.58 0.52 0.05 T006000200052 4.44 2.705 45.0 7.93 0.44 0.05 T006000200053 4.44 2.755 40.0 8.07 0.38 0.06 T006000200054 4.44 2.755 50.0 7.88 0.54 0.08 T006000200055 4.44 2.755 60.0 7.66 0.51 0.06 T006000200056 4.44 2.805 45.0 8.02 0.45 0.06 T006000200057 4.44 2.855 50.0 7.96 0.56 0.06 T006000200058 ENDDATA 50 0 T006000200059 ENDSUBENT 58 0 T006000299999 ENDENTRY 2 0 T006099999999