ENTRY            22043   19900905                             00002204300000001 
SUBENT        22043001   19900905                             00002204300100001 
BIB                 15         51                                 2204300100002 
REFERENCE  (R,AERE-R-12612,8705)                                  2204300100003 
TITLE      -THE NB-93(N,INL)NB-93-M CROSS SECTION.                2204300100004 
AUTHOR     (D.B.GAYTHER,M.F.MURPHY,K.RANDLE,W.H.TAYLOR,           2204300100005 
            C.A.UTTLEY)                                           2204300100006 
INSTITUTE  (2UK HAR) D.B.G., C.A.U., EXPERIMENTAL SITE FOR        2204300100007 
            2.7 MEV IRRADIATION.                                  2204300100008 
           (2UK BIR) K.R., EXPERIMENTAL SITE FOR THE OTHER        2204300100009 
            IRRADIATIONS.                                         2204300100010 
           (2UK WIN) M.F.M., W.H.T., EXPERIMENTAL SITE FOR        2204300100011 
            ANALYSIS OF IRRADIATED MATERIAL.                      2204300100012 
FACILITY   (VDG  ) HARWELL 6 MV VAN DE GRAAFF ACCELERATOR,        2204300100013 
            USED FOR IRRADIATION AT 2.7 MEV.                      2204300100014 
           (DYNAM) 3 MV DYNAMITRON ACCELERATOR, USED FOR          2204300100015 
            IRRADIATIONS AT THE OTHER ENERGIES.                   2204300100016 
INC-SOURCE (P-T  ) FOR EN = 1.09 - 2.70 MEV.                      2204300100017 
           (D-D  ) FOR EN = 3.29 - 5.76 MEV.                      2204300100018 
METHOD     (ACTIV) ACTIVATION.                                    2204300100019 
DETECTOR   (HPGE ) USED FOR X-RAY ACTIVITY MEASUREMENTS OF        2204300100020 
            THE IRRADIATED FOILS. CALIBRATED WITH CBNM            2204300100021 
            STANDARDIZED NB-93-M SOLUTION.                        2204300100022 
           (FISCH) STANDARD PARALLEL-PLATE IONISATION CHAMBER,    2204300100023 
            USED FOR NEUTRON FLUENCE MEASUREMENTS. THE MASS       2204300100024 
            OF THE 95.1+/-0.5 MICRO-G DEPOSIT OF 99.94 PERCENT    2204300100025 
            U-235 WAS DETERMINED BY ALPHA COUNTING.               2204300100026 
PART-DET   (XR   ) 16.6 KEV K X-RAYS.                             2204300100027 
MONITOR    (92-U-235(N,F),,SIG) FISSION CROSS SECTIONS DERIVED    2204300100028 
            FROM ENDF/B-V.                                        2204300100029 
SAMPLE     .NIOBIUM FOILS 0F 10.13 MM DIAMETER BY 0.0125 MM       2204300100030 
            THICKNESS, WEIGHING ABOUT 8 MG. THE TANTALUM CON-     2204300100031 
            TENT WAS LESS THAN 500 PPM.                           2204300100032 
CORRECTION .ALL CORRECTIONS CONSIDERED WERE SMALL.                2204300100033 
ERR-ANALYS .THE UNCERTAINTIES IN THE NIOBIUM CROSS SECTIONS       2204300100034 
            WERE OBTAINED BY SUMMING IN QUADRATURE THE FOLLOW-    2204300100035 
            ING 1-SIGMA UNCERTAINTIES                             2204300100036 
                     SOURCE OF                   UNCERTAINTY      2204300100037 
                    UNCERTAINTY                    PERCENT        2204300100038 
              U-235 MASS                           0.5-1.1        2204300100039 
              NB-93 MASS                             0.2          2204300100040 
              U-235 CROSS SECTION                  2.5-3.5        2204300100041 
              NB-93 ACTIVITY, MAINLY STATISTICS    2.8-4.4        2204300100042 
              NB-93 DECAY CONSTANT                   0.9          2204300100043 
              NUMBER OF U-235 FISSION EVENTS       0.2-0.4        2204300100044 
              IRRADIATION GEOMETRY                   2.0          2204300100045 
            TOTAL ERROR IN CROSS SECTION           4.4-8.4        2204300100046 
STATUS     .DATA TAKEN FROM MAIN REFERENCE.                       2204300100047 
HISTORY    (871021C) N.O.                                         2204300100048 
           (871210E)                                              2204300100049 
           (890131U) IF. CHANGE OF UNITS SUBENTRY 2               2204300100050 
           (890203E)                                              2204300100051 
           (900905A) S.W. SUPERSEDED STATUS ADDED, SUBENTRY 2.    2204300100052 
           (900917E)                                              2204300100053 
ENDBIB              51          0                                 2204300100054 
NOCOMMON             0          0                                 2204300100055 
ENDSUBENT           54          0                                 2204300199999 
SUBENT        22043002   19900905                             00002204300200001 
BIB                  4         10                                 2204300200002 
REACTION   (41-NB-93(N,INL)41-NB-93-M,,SIG)                       2204300200003 
DECAY-DATA (41-NB-93-M,16.13YR,XR,16.6)                           2204300200004 
STATUS     .DATA TAKEN FROM MAIN REFERENCE.                       2204300200005 
           (SPSDD,22085002) UPDATED RESULTS - C,88MITO,1057,88.   2204300200006 
HISTORY    (871021C) N.O.                                         2204300200007 
           (871210E)                                              2204300200008 
           (890131U) IF. CHANGE OF UNITS                          2204300200009 
           (890203E)                                              2204300200010 
           (900905A) S.W. SUPERSEDED STATUS ADDED.                2204300200011 
           (900917E)                                              2204300200012 
ENDBIB              10          0                                 2204300200013 
NOCOMMON             0          0                                 2204300200014 
NODATA               0          0                                 2204300200015 
ENDSUBENT           14          0                                 2204300299999 
ENDENTRY             2          0                                 2204399999999