ENTRY 41583 20120228 41564158300000001
SUBENT 41583001 20120228 41564158300100001
BIB 12 28 4158300100002
TITLE Radiative capture of He-3 neutrons in the energy 4158300100003
interval 1-70 keV. 4158300100004
AUTHOR (V.P.Alfimenkov, S.B.Borzakov, J.Wierzbicki, 4158300100005
O.N.Ovchinnikov, L.B.Pikel'ner, E.I.Sharapov) 4158300100006
INSTITUTE (4ZZZDUB) 4158300100007
REFERENCE (J,ZEP,29,(1),100,197901) 4158300100008
(J,JEL,29,(1),91,1970) Engl.translation of ZEP,29,100 .4158300100009
REL-REF (N,11169001,R.W.Zurmuehle+,J,PR,132,751,1963) 4158300100010
Detector efficiency calculation. 4158300100011
MONITOR Neutron beam intensity was measured by calibrated boron4158300100012
and helium counters. 4158300100013
METHOD (TOF) Flight base is 33.2 m . 4158300100014
FACILITY (REAC) Fast pulse reactor IBR-30 in booster regime 4158300100015
concurrently with LUE-40 linear electron accelerator. 4158300100016
SAMPLE Liquid He-3 in container. Target area 30 cm**2, 4158300100017
thickness 3E+22 nuclei/cm**2 . 4158300100018
DETECTOR (NAICR) Na-I(Tl) crystal of 10 cm diameter, 10 cm 4158300100019
thickness, placed at 90 and 45 degrees angles relative 4158300100020
to beam. Screen of 10 cm paraffin, 4 cm boron carbide, 4158300100021
1 cm lead was placed between target and detector. 4158300100022
Detector efficiency was calculated, correctness was 4158300100023
checked (see REL-REF of R.W.Zurmuhle+) and was 4158300100024
reconfirmed in calibrated measurements of the known 4158300100025
partial width of direct transition ( 9.0 MeV ) for 4158300100026
neutron capture in nickel. 4158300100027
CORRECTION For attenuation of gamma-rays by the screen. 4158300100028
For contribution of faster neutrons. 4158300100029
HISTORY (20120228C) 4158300100030
ENDBIB 28 0 4158300100031
COMMON 1 3 4158300100032
ERR-S 4158300100033
PER-CENT 4158300100034
15. 4158300100035
ENDCOMMON 3 0 4158300100036
ENDSUBENT 35 0 4158300199999
SUBENT 41583002 20120228 41564158300200001
BIB 5 15 4158300200002
REACTION (2-HE-3(N,G)2-HE-4,,SIG,,FCT) See ANALYSIS 4158300200003
ANALYSIS Radiative capture cross section was determined as: 4158300200004
(8/3)*PI*SIG(90deg), which is suitable for the case of4158300200005
angular distribution corresponding to the function 4158300200006
SIN**2 .This dependence was indicated by measured 4158300200007
relationship of gamma-ray intensities at 90 and 45 deg.4158300200008
angles equal to 1.8+-0.20. 4158300200009
MISC-COL (MISC) Average energy in energy interval, digitized. 4158300200010
ERR-ANALYS (DATA-ERR) Digitized error bars of DATA. 4158300200011
Calibration uncertainty of detector efficiency 4158300200012
constitutes the basic error in determining the cross 4158300200013
section. 4158300200014
(EN-ERR) Digitized error bars of EN 4158300200015
STATUS (CURVE) Fig.2 of ZEP,29,(1),100,1979. 4158300200016
(DEP,41583003) Ratio of gamma-ray intensities. 4158300200017
ENDBIB 15 0 4158300200018
COMMON 2 3 4158300200019
EN-ERR-DIG ERR-DIG 4158300200020
PER-CENT MICRO-B 4158300200021
0.791E-02 0.63E-01 4158300200022
ENDCOMMON 3 0 4158300200023
DATA 5 5 4158300200024
EN-MIN EN-MAX DATA DATA-ERR MISC 4158300200025
KEV KEV MICRO-B MICRO-B KEV 4158300200026
1.02 2.38 7.98 7.09 1.70 4158300200027
2.38 9.15 10.14 3.80 5.75 4158300200028
9.15 19.98 15.72 4.68 14.60 4158300200029
19.98 33.82 14.21 3.67 26.75 4158300200030
33.82 68.89 18.26 4.30 50.62 4158300200031
ENDDATA 7 0 4158300200032
ENDSUBENT 31 0 4158300299999
SUBENT 41583003 20120228 41564158300300001
BIB 3 3 4158300300002
REACTION (2-HE-3(N,G)2-HE-4,,DA,,RSD/AV) 4158300300003
ERR-ANALYS (DATA-ERR) Not specified. 4158300300004
STATUS (TABLE) Text of ZEP,29,(1),100,1979. 4158300300005
ENDBIB 3 0 4158300300006
COMMON 1 3 4158300300007
ANG 4158300300008
ADEG 4158300300009
45. 4158300300010
ENDCOMMON 3 0 4158300300011
DATA 4 1 4158300300012
EN-MIN EN-MAX DATA DATA-ERR 4158300300013
KEV KEV NO-DIM NO-DIM 4158300300014
1.0 69. 1.8 0.20 4158300300015
ENDDATA 3 0 4158300300016
ENDSUBENT 15 0 4158300399999
ENDENTRY 3 0 4158399999999