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