ENTRY            22792   20180318                             22702279200000001 
SUBENT        22792001   20180318                             22702279200100001 
BIB                 11         16                                 2279200100002 
TITLE       Th-232 fission yields determination by gamma-ray      2279200100003 
            spectroscopy on unseparated samples                   2279200100004 
AUTHOR     (M.Brasca, A.Cessna, V.Sangiust, M.Terrani)            2279200100005 
INSTITUTE  (2ITYMIP) CESNEF, Politecnico di Milano                2279200100006 
REFERENCE  (J,EN,20,691,1973) Main ref., data tables are given    2279200100007 
FACILITY   (REAC,2ITYMIP)  L54 reactor at CESNEF                  2279200100008 
METHOD     (GSPEC)  Gamma ray spectroscopy                        2279200100009 
DETECTOR   (GELI)  The 35 cm3 coaxial detector, resolution        2279200100010 
                   2.5 keV at 1330 keV gamma energy               2279200100011 
ANALYSIS   (DECAY) Fission fragments were determined by energy    2279200100012 
             of gamma rays and half-lives of the fission products 2279200100013 
CORRECTION .Correction was made for self-absorption of gammas     2279200100014 
ERR-ANALYS (DATA-ERR)  Standard uncertainty                       2279200100015 
HISTORY    (20091126C)   S.M.                                     2279200100016 
           (20180318A) SD: REACTION code corrected in Subents     2279200100017 
           002-004. Data were re-compiled in Subent 004.          2279200100018 
ENDBIB              16          0                                 2279200100019 
NOCOMMON             0          0                                 2279200100020 
ENDSUBENT           19          0                                 2279200199999 
SUBENT        22792002   20180318                             22702279200200001 
BIB                  6         10                                 2279200200002 
REACTION   (92-U-235(N,F)ELEM/MASS,CUM,FY,,MXW)                   2279200200003 
INC-SOURCE (THCOL)  Thermal column of the L54 reactor             2279200200004 
INC-SPECT  .Thermal Maxwellian                                    2279200200005 
SAMPLE     .Coin-shaped sample of Aluminum-Uranium alloy, 3% of   2279200200006 
            uranium, 15 mm diameter, thickness aprx. 31 mg/cm2    2279200200007 
            wrapped in a 5 mg/cm2 thick aluminum foil             2279200200008 
           (92-U-235,ENR=0.93)                                    2279200200009 
STATUS     (TABLE) Table 4 of  Energ.Nucl.20(1973)691             2279200200010 
HISTORY    (20180318A) SD: SF5=SEC -> CUM in REACTION code        2279200200011 
           according to MEMO CP-D/929.                            2279200200012 
ENDBIB              10          0                                 2279200200013 
COMMON               1          3                                 2279200200014 
EN-DUMMY                                                          2279200200015 
EV                                                                2279200200016 
   2.5 E-02                                                       2279200200017 
ENDCOMMON            3          0                                 2279200200018 
DATA                 5         12                                 2279200200019 
ELEMENT    MASS       ISOMER     DATA       DATA-ERR              2279200200020 
NO-DIM     NO-DIM     NO-DIM     PC/FIS     PER-CENT              2279200200021 
  36.         85.         1.       1.30        2.3                2279200200022 
  36.         88.                  3.60        0.5                2279200200023 
  38.         91.                  5.71        0.5                2279200200024 
  38.         92.                  5.92        0.5                2279200200025 
  40.         97.                  5.85        0.5                2279200200026 
  52.        132.                  4.15        1.5                2279200200027 
  53.        131.                  2.79        1.4                2279200200028 
  53.        133.                  6.73        0.6                2279200200029 
  53.        135.                  6.23        2.0                2279200200030 
  56.        140.                  6.29        0.5                2279200200031 
  57.        142.                  5.86        0.5                2279200200032 
  58.        143.                  5.80        0.5                2279200200033 
ENDDATA             14          0                                 2279200200034 
ENDSUBENT           33          0                                 2279200299999 
SUBENT        22792003   20180318                             22702279200300001 
BIB                  8         17                                 2279200300002 
REACTION   ((90-TH-232(N,F)ELEM/MASS,CUM,FY,,FST)/                2279200300003 
           (92-U-235(N,F)56-BA-140,CUM,FY,,FST))                  2279200300004 
METHOD     (FNB)    Neutron beam filtered by 800 mg/cm2 cadmium   2279200300005 
             and 600 mg/cm2 natural boron filters in order to     2279200300006 
             minimize 233Th and 233Pa activities arising from     2279200300007 
             232Th neutron capture                                2279200300008 
INC-SOURCE (REAC)  Reactor core spectrum of L54 reactor           2279200300009 
INC-SPECT  .Neutron spectrum similar to that of fission           2279200300010 
SAMPLE     .Thorium oxide pellet 300 mg/cm2 thick, 15 mm diameter 2279200300011 
            wrapped in a 5 mg/cm2 thick aluminum foil             2279200300012 
FLAG       (1.) Obtained from 39-Y-91-m, gamma ray energy         2279200300013 
                555.57 keV                                        2279200300014 
           (2.) Obtained with the help of gamma energy 1131.6 keV 2279200300015 
           (3.) Obtained with the help of gamma energy 1260.45 keV2279200300016 
STATUS     (TABLE) Table 4 of Energ.Nucl.20(1973)691              2279200300017 
HISTORY    (20180318A) SD: SF5=SEC -> CUM in REACTION code        2279200300018 
           according to MEMO CP-D/929.                            2279200300019 
ENDBIB              17          0                                 2279200300020 
COMMON               1          3                                 2279200300021 
EN-DUMMY                                                          2279200300022 
MEV                                                               2279200300023 
   1.                                                             2279200300024 
ENDCOMMON            3          0                                 2279200300025 
DATA                 6         14                                 2279200300026 
ELEMENT    MASS       ISOMER     DATA       DATA-ERR   FLAG       2279200300027 
NO-DIM     NO-DIM     NO-DIM     NO-DIM     PER-CENT   NO-DIM     2279200300028 
  36.         85.         1.        1.92       5.5                2279200300029 
  36.         88.                   1.11       3.2                2279200300030 
  38.         91.                   0.723      6.4                2279200300031 
  38.         91.                   0.714      2.7         1.     2279200300032 
  38.         92.                   0.673      4.1                2279200300033 
  40.         97.                   0.446      3.6                2279200300034 
  52.        132.                   0.360      7.8                2279200300035 
  53.        131.                   0.400      5.0                2279200300036 
  53.        133.                   0.331      7.0                2279200300037 
  53.        135.                   0.553      4.0         2.     2279200300038 
  53.        135.                   0.577      3.2         3.     2279200300039 
  56.        140.                   0.718      5.0                2279200300040 
  57.        142.                   0.666      4.5                2279200300041 
  58.        143.                   0.696      6.6                2279200300042 
ENDDATA             16          0                                 2279200300043 
ENDSUBENT           42          0                                 2279200399999 
SUBENT        22792004   20180318                             22702279200400001 
BIB                 10         21                                 2279200400002 
REACTION   (90-TH-232(N,F)ELEM/MASS,CUM,FY,,FST)                  2279200400003 
METHOD     (FNB)    Neutron beam filtered by 800 mg/cm2 cadmium   2279200400004 
             and 600 mg/cm2 natural boron filters in order to     2279200400005 
             minimize 233Th and 233Pa activities arising from     2279200400006 
             232Th neutron capture                                2279200400007 
INC-SOURCE (REAC)  Reactor core spectrum of L54 reactor           2279200400008 
INC-SPECT  .Neutron spectrum similar to that of fission           2279200400009 
MONITOR    (90-TH-232(N,F)56-BA-140,SEC,FY,,FST)                  2279200400010 
MONIT-REF  (,M.E.Meek+,R,NEDO-12154,1972)                         2279200400011 
SAMPLE     .Thorium oxide pellet 300 mg/cm2 thick, 15 mm diam.    2279200400012 
            wrapped in a 5 mg/cm2 thick aluminum foil             2279200400013 
FLAG       (1.) Obtained from 39-Y-91-m, gamma ray energy         2279200400014 
                555.57 keV                                        2279200400015 
           (2.) Obtained with the help of gamma energy 1131.6 keV 2279200400016 
           (3.) Obtained with the help of gamma energy 1260.45 keV2279200400017 
STATUS     (TABLE) Table 4 of Energ.Nucl.20(1973)691              2279200400018 
           (DEP,22792003)                                         2279200400019 
HISTORY    (20180318A) SD: SF5=SEC -> CUM in REACTION code        2279200400020 
           according to MEMO CP-D/929. Data were re-compiled      2279200400021 
           from Tbl. 5 (instead of Tb.4. In Tbl.4 relative yields 2279200400022 
           presented; in Tbl.5 - absolute yields presented).      2279200400023 
ENDBIB              21          0                                 2279200400024 
COMMON               2          3                                 2279200400025 
EN-DUMMY   MONIT                                                  2279200400026 
MEV        PC/FIS                                                 2279200400027 
   1.        7.807                                                2279200400028 
ENDCOMMON            3          0                                 2279200400029 
DATA                 6         13                                 2279200400030 
ELEMENT    MASS       ISOMER     DATA       DATA-ERR   FLAG       2279200400031 
NO-DIM     NO-DIM     NO-DIM     PC/FIS     PER-CENT   NO-DIM     2279200400032 
  36.         85.         1.        4.32       8.4                2279200400033 
  36.         88.                   6.91       6.7                2279200400034 
  38.         91.                   7.13       8.7                2279200400035 
  38.         91.                   7.05       6.4         1.     2279200400036 
  38.         92.                   6.87       7.1                2279200400037 
  40.         97.                   4.51       6.9                2279200400038 
  52.        132.                   2.57      10.                 2279200400039 
  53.        131.                   1.93       7.8                2279200400040 
  53.        133.                   3.86       9.1                2279200400041 
  53.        135.                   5.96       7.4         2.     2279200400042 
  53.        135.                   6.20       7.0         3.     2279200400043 
  57.        142.                   6.74       7.4                2279200400044 
  58.        143.                   6.82       8.8                2279200400045 
ENDDATA             15          0                                 2279200400046 
ENDSUBENT           45          0                                 2279200499999 
ENDENTRY             4          0                                 2279299999999