ENTRY            20073   20190925                             22832007300000001 
SUBENT        20073001   20190925                             22832007300100001 
BIB                 10         24                                 2007300100002 
TITLE       Average number of prompt neutrons emitted in the      2007300100003 
            spontaneous fission of U-238 and Pu-240               2007300100004 
AUTHOR     (I.Asplund-Nilsson,H.Conde,N.Starfelt)                 2007300100005 
REFERENCE  (J,NSE,15,213,1963)                                    2007300100006 
INSTITUTE  (2SWDFOA)                                              2007300100007 
METHOD     (COINC)    Coincidences between fission fragments and  2007300100008 
            prompt neutrons.                                      2007300100009 
DETECTOR   (STANK)    A cylindrical and a spherical liquid        2007300100010 
            scintillator tank.                                    2007300100011 
           (FISCH)    Fission chamber in the middle of the tank.  2007300100012 
MONITOR    (98-CF-252(0,F),PR,NU)                                 2007300100013 
CORRECTION  Accidental coincidences between spurious fission      2007300100014 
            pulses and background pulses                          2007300100015 
            pile-up                                               2007300100016 
            energy dependence of the detector efficiency, 1%      2007300100017 
ERR-ANALYS (DATA-ERR) Due to counting statistics, uncertainty in  2007300100018 
            the efficiency curve.                                 2007300100019 
            Estimated error in all corrections 25%                2007300100020 
            The final error includes the error in the Cf252 nu-bar2007300100021 
            value.                                                2007300100022 
HISTORY    (19710524T)  From NEUDADA file                         2007300100023 
           (19800825A) converted to reaction formalism.           2007300100024 
           (20190925U) SD:Updated to new date formats,lower case. 2007300100025 
           BIB updated.                                           2007300100026 
ENDBIB              24          0                                 2007300100027 
COMMON               2          3                                 2007300100028 
MONIT      MONIT-ERR                                              2007300100029 
PRT/FIS    PRT/FIS                                                2007300100030 
  3.80      0.03                                                  2007300100031 
ENDCOMMON            3          0                                 2007300100032 
ENDSUBENT           31          0                                 2007300199999 
SUBENT        20073002   20190925                             22832007300200001 
BIB                  5         11                                 2007300200002 
REACTION   (92-U-238(0,F),PR,NU)                                  2007300200003 
PART-DET   (PN,FF) Prompt neutrons and fission fragments in       2007300200004 
            coincidence.                                          2007300200005 
COMMENT     The uranium data were measured only with the          2007300200006 
            cylindrical scintillator.                             2007300200007 
            Value given is a mean value of two measurements, one  2007300200008 
            measured relative to Cf-252 and one measured with     2007300200009 
            Pu-240 as an intermediate standard.                   2007300200010 
STATUS     (TABLE) Tbl.I from Nucl.Sci.Eng.,15(1963)213           2007300200011 
HISTORY    (19710524T)  From NEUDADA file                         2007300200012 
           (19800825A)                                            2007300200013 
ENDBIB              11          0                                 2007300200014 
NOCOMMON             0          0                                 2007300200015 
DATA                 2          1                                 2007300200016 
DATA       DATA-ERR                                               2007300200017 
PRT/FIS    PRT/FIS                                                2007300200018 
 1.97       0.07                                                  2007300200019 
ENDDATA              3          0                                 2007300200020 
ENDSUBENT           19          0                                 2007300299999 
SUBENT        20073003   20190925                             22832007300300001 
BIB                  5          8                                 2007300300002 
REACTION   (94-PU-240(0,F),PR,NU)                                 2007300300003 
PART-DET   (PN,FF)    Prompt neutrons and fission fragments in    2007300300004 
            coincidence.                                          2007300300005 
COMMENT     Value given is an average of one run with the         2007300300006 
            spherical and one run with the cylindrical detector.  2007300300007 
STATUS     (TABLE) Tbl.II from Nucl.Sci.Eng.,15(1963)213          2007300300008 
HISTORY    (19710524T)  From NEUDADA file                         2007300300009 
           (19800825A)                                            2007300300010 
ENDBIB               8          0                                 2007300300011 
NOCOMMON             0          0                                 2007300300012 
DATA                 2          1                                 2007300300013 
DATA       DATA-ERR                                               2007300300014 
PRT/FIS    PRT/FIS                                                2007300300015 
 2.154      0.028                                                 2007300300016 
ENDDATA              3          0                                 2007300300017 
ENDSUBENT           16          0                                 2007300399999 
ENDENTRY             3          0                                 2007399999999