ENTRY 40431 20220228 42044043100000001
SUBENT 40431001 20220228 42044043100100001
BIB 11 47 4043100100002
TITLE Absolute measurements of the radiative capture 4043100100003
cross section of 238U for 30 keV neutrons 4043100100004
AUTHOR (Yu.G.Panitkin,L.E.Sherman) 4043100100005
REFERENCE (J,SJA,39,591,1975) Eng.trans.of AE,39,17,1975 4043100100006
(J,AE,39,17,1975) Issue 1. Data are given 4043100100007
(R,YFI-19,7,1974) Data are given 4043100100008
(R,INDC(CCP)-65,4,1975) 4043100100009
Engl.translation of YFI-19,p.7,1974 4043100100010
INSTITUTE (4RUSFEI) 4043100100011
INC-SOURCE (P-LI7) Maximum proton energy equal 2.5 MeV. 4043100100012
METHOD (ACTIV) Activation method for definition 4043100100013
of neutron radiative capture cross-section. 4043100100014
Method of associated activity over gamma-rays with 4043100100015
energy 477 keV from reaction Li-7(p,n)Be-7 4043100100016
for definition of neutron flux. 4043100100017
FACILITY (VDG,4RUSFEI) 4043100100018
DETECTOR (GELI) Germanium-lithium detector for measurement 4043100100019
of U-239 activity. 4PI-beta-counter was used for 4043100100020
definition of GeLi-detection efficiency. 4043100100021
(FISCH,BF3) U-235 fission chamber and long BF3 counter 4043100100022
were used for neutron beam monitoring. 4043100100023
CORRECTION Resonance self-shielding (0.3%), 4043100100024
multiple neutron scattering in target (0.3%), 4043100100025
background of neutrons scattering in chamber 4043100100026
of Li-7 target (0.1%), neutron scattering 4043100100027
by materials of construction (5.0%), 4043100100028
effective thickness of target-sample because of 4043100100029
apex angle of neutron cone (1.3%) 4043100100030
ERR-ANALYS (ERR-T) Error shown on the data is total and includes 4043100100031
(ERR-S) statistical error of one measurement (1.5%), 4043100100032
(ERR-1) Ge(Li)-detector efficiency error for 4043100100033
measurement of U-238 - 2.1% 4043100100034
(ERR-2) Ge(Li)-detector efficiency error for 4043100100035
measurement of Li-target - 3.38%, 4043100100036
(ERR-3) self-shielding error (0.1%), 4043100100037
(ERR-4) neutron flux error (0.2%), 4043100100038
(ERR-5) neutron scattering error (0.15%), 4043100100039
(ERR-6) half-life error of U-239 and Be-7 (0.5%) 4043100100040
HISTORY (19770215C) 4043100100041
(19870609A) Renormalized data deleted. ISO-QUANT into 4043100100042
REACTION converted. 4043100100043
(20150218U) SD: Updated to new date formats,lower case.4043100100044
Ref. on Engl.transl. of AE added. ERR-ANALYS updated.4043100100045
(20170306U) M.M. Article was checked, BIB information 4043100100046
was corrected in SAMPLE,DECAY-DATA,DETECTOR, 4043100100047
(20220228A) Ref.INDC(CCP)-65,4,1975 was added. 4043100100048
Minor correction of free text. 4043100100049
ENDBIB 47 0 4043100100050
COMMON 7 6 4043100100051
ERR-S ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 4043100100052
ERR-6 4043100100053
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4043100100054
PER-CENT 4043100100055
0.3 2.1 3.38 0.1 0.2 0.15 4043100100056
0.5 4043100100057
ENDCOMMON 6 0 4043100100058
ENDSUBENT 57 0 4043100199999
SUBENT 40431002 20220228 42044043100200001
BIB 6 10 4043100200002
REACTION (92-U-238(N,G)92-U-239,,SIG) 4043100200003
DECAY-DATA (92-U-239,,DG,74.) 4043100200004
SAMPLE U238 uranous-uranic oxide U(3)O(8), 300 mg/cm2 4043100200005
thickness. 4043100200006
COMMENT Data from this Subent transferred to subent 40177003 4043100200007
( in 40177003 - data at 24keV-7MeV range renormalized4043100200008
by author in 1987) 4043100200009
STATUS (TABLE) Tbl. I of At.Energy,v.39,p.17,1975 4043100200010
(SPSDD,40177003) See comment. 4043100200011
HISTORY (20220228A) (SPSDD,40144003) -> (SPSDD,40177003) 4043100200012
ENDBIB 10 0 4043100200013
NOCOMMON 0 0 4043100200014
DATA 4 1 4043100200015
EN EN-ERR DATA ERR-T 4043100200016
KEV KEV MB MB 4043100200017
30. 6. 465. 23. 4043100200018
ENDDATA 3 0 4043100200019
ENDSUBENT 18 0 4043100299999
ENDENTRY 2 0 4043199999999