ENTRY            21424   19800318                             00002142400000001 
SUBENT        21424001   19800318                             00002142400100001 
BIB                 16         33                                 2142400100002 
INSTITUTE  (2SWTWUR)                                              2142400100003 
REFERENCE  (J,NUK,10,225,6710)                                    2142400100004 
           (J,HPA,39,179,6605) PRELIMINARY.                       2142400100005 
           (P,EANDC(OR)-90L,6906)                                 2142400100006 
           (P,EANDC(OR)-48,6705)  ABSTRACT.                       2142400100007 
AUTHOR     (F.HEGEDUES)                                           2142400100008 
TITLE      -FAST NEUTRON FLUENCE DETECTION WITH NIOBIUM -.        2142400100009 
FACILITY   (REAC ) SAHPIR 1 MW REACTOR, WUERENLINGEN.             2142400100010 
INC-SOURCE (REAC ) IRRADIATION IN REACTOR CORE.                   2142400100011 
INC-SPECT  .U-235 FISSION NEUTRON SPECTRUM.                       2142400100012 
SAMPLE     .NIOBIUM OXIDE POWDER, WITH 100 PPM TANTALUM OXIDE     2142400100013 
            IMPURITY.                                             2142400100014 
METHOD     (ACTIV) ACTIVATION, 2 DAY IRRADIATION FOLLOWED BY      2142400100015 
            K X-RAY AND CONVERTION ELECTRON COUNTING.             2142400100016 
DETECTOR   (PROPC) ARGON-METHANE  GAS PROPORTIONAL COUNTER WITH   2142400100017 
            A THIN BERILLIUM WINDOW.                              2142400100018 
           (NAICR) THIN NAI(TL) CRYSTAL.                          2142400100019 
           (GELI ) GE(LI) DETECTOR WITH RESOLUTION OF 600 EV      2142400100020 
            AT 16 KEV.                                            2142400100021 
           (SCIN ) GEL-SCINTILLATOR, TYPE NE 221, FOR CONVERSION  2142400100022 
            ELECTRON DETECTION.                                   2142400100023 
MONITOR    (45-RH-103(N,INL)45-RH-103-M,,SIG) VALUE TAKEN         2142400100024 
            AS 1.093 B.                                           2142400100025 
COMMENT    .CONVERTION ELECTRONS COUNTED BY MAKING A KNOWN        2142400100026 
            MIXTURE OF IRRADIATED MATERIAL WITH THE               2142400100027 
            GEL-SCINTILLATOR.                                     2142400100028 
STATUS     .TEXT IN NUK,10,225.                                   2142400100029 
HISTORY    (800310C)                                              2142400100030 
           (800318E)                                              2142400100031 
CORRECTION .CORRECTED FOR TA-182 AND NB-92 ACTIVITIES AND FOR     2142400100032 
            FLOURESCENCE YIELDS OF X-RAYS IN NB AND RH.           2142400100033 
ERR-ANALYS .PRINCIPAL UNCERTAINTY IS IN THE HALF-LIFE OF          2142400100034 
            THE NB-93 METASTABLE STATE.                           2142400100035 
ENDBIB              33          0                                 2142400100036 
COMMON               2          3                                 2142400100037 
EN-DUMMY   MONIT                                                  2142400100038 
MEV        B                                                      2142400100039 
 1.5000E+00 1.0930E+00                                            2142400100040 
ENDCOMMON            3          0                                 2142400100041 
ENDSUBENT           40          0                                 2142400199999 
SUBENT        21424002   19800318                             00002142400200001 
BIB                  4          6                                 2142400200002 
REACTION   (41-NB-93(N,INL)41-NB-93-M,,SIG,,FIS) CROSS SECTION FOR2142400200003 
            EXCITATION OF METASTABLE STATE.                       2142400200004 
DECAY-DATA (41-NB-93-M,3.7YR,XR,,,ICE)                            2142400200005 
STATUS     .TEXT, NUK,10,225.                                     2142400200006 
HISTORY    (800310C)                                              2142400200007 
           (800318E)                                              2142400200008 
ENDBIB               6          0                                 2142400200009 
NOCOMMON             0          0                                 2142400200010 
DATA                 1          1                                 2142400200011 
DATA                                                              2142400200012 
MB                                                                2142400200013 
 1.2500E+02                                                       2142400200014 
ENDDATA              3          0                                 2142400200015 
ENDSUBENT           14          0                                 2142400299999 
ENDENTRY             2          0                                 2142499999999