ENTRY            41577   20181224                             41814157700000001 
SUBENT        41577001   20181224                             41814157700100001 
BIB                  8         22                                 4157700100002 
TITLE       Experimental limit for the probability of emission of 4157700100003 
            gamma rays with energy above 20 MeV in spontaneous    4157700100004 
            fission of 252-Cf.                                    4157700100005 
AUTHOR     (Yu.N.Pokotilovskiy)                                   4157700100006 
INSTITUTE  (4ZZZDUB)                                              4157700100007 
REFERENCE  (J,YF,52,942,1990)                                     4157700100008 
           (J,SNP,52,599,1990) Engl.translation of YF.            4157700100009 
METHOD     (GSPEC) Gamma spectra were measured in 20-160 MeV      4157700100010 
            energy range.                                         4157700100011 
DETECTOR   (NAICR) NaI(Tl) of 150 mm diameter, 150 mm long.       4157700100012 
            Lead collimator between Cf source and crystal of 60 mm4157700100013 
            inner diameter.                                       4157700100014 
            25-cm  borated polyethylene layer to absorb neutrons  4157700100015 
            and gamma quanta with energy < 1 MeV.                 4157700100016 
            Energy calibration by standard gamma-lines 0.661,     4157700100017 
           1.17, 1.33, 2.5. 4.4 MeV, last from Be-9(A,N)C-12.     4157700100018 
SAMPLE      Cf-252 source of 0.7E+7 fis/sec, placed at 37 cm      4157700100019 
            distance from detector surface .                      4157700100020 
HISTORY    (20110624C) Compiled at CJD. M.M.                      4157700100021 
            Units PD/FIS/MEV were used instead of usually used    4157700100022 
            PT/FIS/MEV according to N.Otsuka's opinion (NDS IAEA).4157700100023 
           (20181224A) Subent 002 was corrected.                  4157700100024 
ENDBIB              22          0                                 4157700100025 
NOCOMMON             0          0                                 4157700100026 
ENDSUBENT           25          0                                 4157700199999 
SUBENT        41577002   20181224                             41814157700200001 
BIB                  4         14                                 4157700200002 
REACTION   (98-CF-252(0,F)0-G-0,PR,FY/DE)                         4157700200003 
             Photon emission in spontaneous fission, upper limit. 4157700200004 
REL-REF    (D,,J.Kasagi+,J,JPJ/S,58,620,1989)                     4157700200005 
           (N,41551001,N.V.Eremin+,J,IZV,75,580,2011) Is.4        4157700200006 
             See STATUS.                                          4157700200007 
STATUS     (TABLE) Data of this experiment are given for          4157700200008 
           comparison purpose in text of the article -            4157700200009 
           N.V.Eremin+, J.Izv.Ak.Nauk ser. Fiz.,75,(4),580,2011.  4157700200010 
           See REL-REF.                                           4157700200011 
            In J.Yad.Fiz.,52,942,1990 - only smooth curve of upper4157700200012 
            limit is on figure.                                   4157700200013 
HISTORY    (20181224A) Reaction was corrected                     4157700200014 
            0-G-0,,MLT/DE,,MSC)  -> 0-G-0,,FY/DE)                 4157700200015 
            according to a comment of N.Otsuka ( NDS,IAEA)        4157700200016 
ENDBIB              14          0                                 4157700200017 
NOCOMMON             0          0                                 4157700200018 
DATA                 2          2                                 4157700200019 
E          DATA-MAX                                               4157700200020 
MEV        PD/FIS/MEV                                             4157700200021 
 40.             6.E-9                                            4157700200022 
100.             1.E-9                                            4157700200023 
ENDDATA              4          0                                 4157700200024 
ENDSUBENT           23          0                                 4157700299999 
ENDENTRY             2          0                                 4157799999999