ENTRY            21428   20230516                             231721428  0    1 
SUBENT        21428001   20230516                             231721428  1    1 
BIB                 13         34                                 21428  1    2 
TITLE      Measurements of eta for GLEEP pile neutrons            21428  1    3 
AUTHOR     (D.J.Littler,E.E.Lockett)                              21428  1    4 
REFERENCE  (P,AERE-NP/R-2104,7(2),1957) final publication         21428  1    5 
            Prelim. results:                                      21428  1    6 
           (B,PR.NUC.EN.,1,1,1956) 2.29(3) for U233,              21428  1    7 
                                   2.08(2) for U235               21428  1    8 
           (C,55GENEVA,4,349,1955) 2.23(5) for U233,              21428  1    9 
                                   2.06(4) for U235               21428  1   10 
           (C,55GENEVA,4,307,1955) 2.18(8) for U233,              21428  1   11 
                                   2.04(4) for U235               21428  1   12 
            The session record starting from p349 gives the       21428  1   13 
            presentation which is revised from the original paper 21428  1   14 
            P/425. Revised data are presented in Table III of p35121428  1   15 
            which are slightly different from data in 002-003.    21428  1   16 
INSTITUTE  (2UK HAR)                                              21428  1   17 
FACILITY   (OSCIP) Pile oscillator.                               21428  1   18 
           (REAC,2UK HAR) GLEEP reactor.                          21428  1   19 
INC-SOURCE (REAC) Thermal reactor.                                21428  1   20 
INC-SPECT  The neutron spectrum will approximate well             21428  1   21 
            to a pure Maxwellian spectrum for both U-233          21428  1   22 
            and U-235 which show little variation in eta in       21428  1   23 
            the thermal and near thermal region.                  21428  1   24 
SAMPLE      Enriched U-233 and U-235 samples, no details.         21428  1   25 
METHOD      Modulation of reactivity.                             21428  1   26 
MONITOR    (5-B-0(N,ABS),,SIG) 2200 m/sec value taken             21428  1   27 
            as  710 b.                                            21428  1   28 
ERR-ANALYS (DATA-ERR) One standard deviation, no details.         21428  1   29 
STATUS     (TABLE) Data from AERE-NP/R-2104.                      21428  1   30 
HISTORY    (19800313T)                                            21428  1   31 
           (20120917A) SD: Updated to new date formats,lower case.21428  1   32 
             Corrected according last EXFOR rules and Dict.       21428  1   33 
             Ref. corrected (J.Progr.Nucl.Ener.,1,34,1956 ->      21428  1   34 
              book: Pr.Nuc.En.,1,1,1956)                          21428  1   35 
           (20230516A) SD: Corrections in Subents 002, 003.       21428  1   36 
ENDBIB              34          0                                 21428  1   37 
COMMON               2          3                                 21428  1   38 
EN-DUMMY   MONIT                                                  21428  1   39 
EV         B                                                      21428  1   40 
   2.53E-02      710.                                             21428  1   41 
ENDCOMMON            3          0                                 21428  1   42 
ENDSUBENT           41          0                                 21428  199999 
SUBENT        21428002   20230516                             231721428  2    1 
BIB                  2          4                                 21428  2    2 
REACTION   (92-U-233(N,ABS),,ETA,,MXW) Maxwellian average         21428  2    3 
            value. Correction to 2200 m/sec value is less         21428  2    4 
            than 0.2%.                                            21428  2    5 
HISTORY    (20230516A) SD: Data units updated (NO-DIM -> PRT/REAC)21428  2    6 
ENDBIB               4          0                                 21428  2    7 
NOCOMMON             0          0                                 21428  2    8 
DATA                 2          1                                 21428  2    9 
DATA       DATA-ERR                                               21428  2   10 
PRT/REAC   PRT/REAC                                               21428  2   11 
 2.2600E+00 6.0000E-02                                            21428  2   12 
ENDDATA              3          0                                 21428  2   13 
ENDSUBENT           12          0                                 21428  299999 
SUBENT        21428003   20230516                             231721428  3    1 
BIB                  2          4                                 21428  3    2 
REACTION   (92-U-235(N,ABS),,ETA,,MXW) Maxwellian average         21428  3    3 
            value, correction to 2200 m/sec value is less         21428  3    4 
            than 0.2%.                                            21428  3    5 
HISTORY    (20230516A) SD: Data units updated (NO-DIM -> PRT/REAC)21428  3    6 
ENDBIB               4          0                                 21428  3    7 
NOCOMMON             0          0                                 21428  3    8 
DATA                 2          1                                 21428  3    9 
DATA       DATA-ERR                                               21428  3   10 
PRT/REAC   PRT/REAC                                               21428  3   11 
 2.0500E+00 5.0000E-02                                            21428  3   12 
ENDDATA              3          0                                 21428  3   13 
ENDSUBENT           12          0                                 21428  399999 
ENDENTRY             3          0                                 2142899999999