ENTRY            10717   20081220                             13521071700000001 
SUBENT        10717001   20081220                             13521071700100001 
BIB                 12         22                                 1071700100002 
INSTITUTE  (1USAMHG)                                              1071700100003 
REFERENCE  (J,ANS,27,864,197712)                                  1071700100004 
AUTHOR     (H.Bozorgmanesh,G.F.Knoll)                             1071700100005 
TITLE      Absolute Measurement of the Number of Neutrons per     1071700100006 
            Spontaneous Fission of 252Cf                          1071700100007 
SAMPLE     0.5 microg of 252Cf electroplated onto a Pt disk.      1071700100008 
METHOD     (MANGB) Manganese bath for neutron source emission     1071700100009 
            rate.                                                 1071700100010 
MONITOR    Fission fragments counted in limited solid angle       1071700100011 
            geometry to determine absolute fission rate.          1071700100012 
            Mn bath calibrated with NBS-II photoneutron source.   1071700100013 
DETECTOR   (SOLST) Heavy-ion silicon surface barrier detector.    1071700100014 
CORRECTION Corrections were made for neutron leakage and for      1071700100015 
            16O and 32S (n,alpha) loss in detectors.              1071700100016 
ERR-ANALYS (ERR-T) Total error is quadrature sum of random        1071700100017 
            and systematic uncertainties.                         1071700100018 
           (ERR-S) Statistical (random) uncertainty               1071700100019 
           (ERR-SYS) Systematic uncertainty.                      1071700100020 
STATUS     (APRVD) Approved by G.F.Knoll, 1978/3/24.              1071700100021 
HISTORY    (19780124C)                                            1071700100022 
           (20081220A) BIB section updated. Headings and units    1071700100023 
             updated, systematic and statistical errors added.    1071700100024 
ENDBIB              22          0                                 1071700100025 
NOCOMMON             0          0                                 1071700100026 
ENDSUBENT           25          0                                 1071700199999 
SUBENT        10717002   20081220                             13521071700200001 
BIB                  1          1                                 1071700200002 
REACTION   (98-CF-252(0,F),,NU)                                   1071700200003 
ENDBIB               1          0                                 1071700200004 
NOCOMMON             0          0                                 1071700200005 
DATA                 4          1                                 1071700200006 
DATA       ERR-T      ERR-S      ERR-SYS                          1071700200007 
PRT/FIS    PRT/FIS    PER-CENT   PER-CENT                         1071700200008 
 3.744      0.023      0.2        0.58                            1071700200009 
ENDDATA              3          0                                 1071700200010 
ENDSUBENT            9          0                                 1071700299999 
ENDENTRY             2          0                                 1071799999999