ENTRY 30559 20180326 31833055900000001
SUBENT 30559001 20180326 31833055900100001
BIB 15 67 3055900100002
TITLE Absolute measurement of the fission cross section of 3055900100003
235U at 2.6 MeV with time correlated associated 3055900100004
particle method 3055900100005
AUTHOR (R.Arlt, M.Josch, G.Musiol, H.-G.Ortlepp, R.Teichner, 3055900100006
W.Wagner, I.D.Alchazov, L.V.Drapcinskij, V.N.Dusin, 3055900100007
O.I.Kostockin, S.S.Kovalenko, K.A.Petrzak, V.I.Spakov)3055900100008
INSTITUTE (4RUSRI,3DDRTUD) 3055900100009
REFERENCE (J,KE,25,199,1982) 3055900100010
(J,SJA,55,656,1983) 3055900100011
(J,AE,55,218,1983) Eng.orig. of J,SJA,55,656,1983 3055900100012
(J,IP,21,344,1985) Unclear if it gives final values 3055900100013
(S,ZFK-491,135,1982) 3055900100014
(R,TU-05-43-80,1980) Similar 3055900100015
(S,ZFK-459,44,1981) in Russian 3055900100016
(C,79KNOX,,990,1979) Same sig, prelim.error larger 3055900100017
(S,ZFK-410,108,1980) in Russian 3055900100018
(S,ZFK-382,180,1979) in Russian 3055900100019
FACILITY (CCW,3DDRTUD) 3055900100020
INC-SOURCE (D-D) 3055900100021
SAMPLE No. of nuclei in sample determined by alpha counting. 3055900100022
Alpha-decay half-life of U-235 was taken to be 3055900100023
(7.0381 +/- 0.0048)E+18 yr. 3055900100024
METHOD (ASSOP) Time-correlated associated particle method 3055900100025
for flux determination 3055900100026
DETECTOR (FISCH) Methane-filled fast fission chamber 3055900100027
(SCIN) for neutron cone 3055900100028
(TELES,SIBAR,SIBAR) 3He detection 3055900100029
MONITOR Absolute measurement 3055900100030
CORRECTION Corrected for 3055900100031
- Random coincidences (-8.47%)3055900100032
- Extrapolation of fission chamber amplitude 3055900100033
spectrum to zero pulse height (+1.36%)3055900100034
- Fragment losses in target layer (+2.11%)3055900100035
- Neutron background in associated particle 3055900100036
window (+2.37%)3055900100037
- Neutron scattering (+0.97%)3055900100038
- Geometrical increase of target thickness 3055900100039
at cone edge (-0.25%)3055900100040
ERR-ANALYS (ERR-T) Total uncertainty (1.53%) including 3055900100041
(ERR-1) Coincidence- Statistics (0.80%)3055900100042
(ERR-2) Coincidence- Random coincidences (0.45%)3055900100043
(ERR-3) Fiss.cham.- Extrap. to zero pulse height(0.35%)3055900100044
(ERR-4) Fiss.cham.- Fragment loss in targ.layer (0.30%)3055900100045
(ERR-5) Neutron count - Statistics (0.001%)3055900100046
(ERR-6) Neutron count - BG in assoc.part.window (0.50%)3055900100047
(ERR-7) Neutron count - Neutron scattering (0.25%)3055900100048
(ERR-8) Sample - Measurement of alpha activity (0.90%)3055900100049
(ERR-9) Sample - Effective inhomogeneity (0.40%)3055900100050
(ERR-10) Sample - Geometrical increase of target 3055900100051
thickness at cone edge (0.05%)3055900100052
COMMENT By compiler (2018-03-26): 3055900100053
The compiler adopted Sov.J.Atom.Energ.55(1983)656 3055900100054
as the latest report of this experimental work as 3055900100055
it is not very clear if Isotopenpraxis 21(1985)344 3055900100056
gives the latest result of this experimental work. 3055900100057
STATUS (APRVD) Approved by authors through letter (1980-12-08)3055900100058
HISTORY (19801029C) OS. 3055900100059
(19810115U) OS. BIB changes, author proof added. 3055900100060
(19810331A) OS.- Refs.and more details in BIB section 3055900100061
added, accuracy changed to final value. 3055900100062
(19830411A) OS.-2 Refs. added,error changed from 3055900100063
0.019 to 0.020 b. 3055900100064
(19861117A) OS. EN-RSL added, error changed from 3055900100065
0.020 to 0.018 b. 3055900100066
(20090503U) SD: Formal corrections. 3055900100067
(20110203U) VS. DOI identifier corrected 3055900100068
(20180326A) On. Recompiled from J,KE,25,199,1982. 3055900100069
ENDBIB 67 0 3055900100070
COMMON 10 6 3055900100071
ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 3055900100072
ERR-7 ERR-8 ERR-9 ERR-10 3055900100073
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3055900100074
PER-CENT PER-CENT PER-CENT PER-CENT 3055900100075
0.80 0.45 0.35 0.30 0.001 0.50 3055900100076
0.25 0.90 0.40 0.05 3055900100077
ENDCOMMON 6 0 3055900100078
ENDSUBENT 77 0 3055900199999
SUBENT 30559002 20180326 31833055900200001
BIB 3 4 3055900200002
REACTION (92-U-235(N,F),,SIG) 3055900200003
STATUS (TABLE) Text (p202) of Kernenergie 25(1982)199 3055900200004
(SPSDD,41013003) 3055900200005
HISTORY (20180326A) On. Data in J,KE,25,199,1982 adopted. 3055900200006
ENDBIB 4 0 3055900200007
NOCOMMON 0 0 3055900200008
DATA 5 1 3055900200009
EN EN-ERR EN-RSL-HW DATA ERR-T 3055900200010
MEV MEV KEV B B 3055900200011
2.56 0.05 100. 1.215 0.020 3055900200012
ENDDATA 3 0 3055900200013
ENDSUBENT 12 0 3055900299999
ENDENTRY 2 0 3055999999999