ENTRY 23225 20140216 22382322500000001
SUBENT 23225001 20140216 22382322500100001
BIB 14 19 2322500100002
TITLE Measurements with the niobium neutron fluence detector 2322500100003
at the PTB 2322500100004
AUTHOR (W.G.Alberts,R.Hollnagel,K.Knauf,M.Matzke,W.Pessara) 2322500100005
INSTITUTE (2GERPTB) 2322500100006
REFERENCE (C,82GAITHERS,1,433,1982) 2322500100007
INC-SOURCE (CF252) 2.3E+8 neutrons/sec 2322500100008
INC-SPECT Negligible proportion of thermal and epithermal 2322500100009
neutrons, i.e., activation of impurities (180 ug/g Ta)2322500100010
was negligible. 2322500100011
SAMPLE Metallic Nb foils (10 mm diam., 28 um thick) and In 2322500100012
foil (50 um thick). 2322500100013
Both at a 5 mm distance to the Ge detector. 2322500100014
DETECTOR (GELI) 2322500100015
METHOD (ACTIV) Irradiated for 40 days (1.2E+14 neutrons/cm2) 2322500100016
MONITOR (49-IN-115(N,INL)49-IN-115-M,,SIG,,FIS) 2322500100017
DECAY-MON (49-IN-115-M,0.1869D,DG,336.) 2322500100018
MONIT-REF (21003004,W.Mannhart+,J,NSE,69,333,1979) 2322500100019
ADD-RES (DECAY) Emission probabilities of K X-rays 2322500100020
HISTORY (20140216C) On 2322500100021
ENDBIB 19 0 2322500100022
NOCOMMON 0 0 2322500100023
ENDSUBENT 22 0 2322500199999
SUBENT 23225002 20140216 22382322500200001
BIB 5 16 2322500200002
REACTION (41-NB-93(N,INL)41-NB-93-M,,SIG,,FIS) 2322500200003
DECAY-DATA (41-NB-93-M,16.0YR,XR,16.6,0.0892) 2322500200004
CORRECTION The decay of 115mIn (0.1869 d) and 252Cf (2.65 a) 2322500200005
during irradiation was taken into account. 2322500200006
ERR-ANALYS (ERR-T) Total uncertainty (7.0%) 2322500200007
(ERR-1,,,U) Count rate for Nb foil (3.0%) 2322500200008
(ERR-2,,,U) Count rate for standard (0.5%) 2322500200009
(ERR-3) Activity of standard (1.3%) 2322500200010
(ERR-4) Sample-detector distance (0.8%) 2322500200011
(ERR-5) Self-absorption (3.3%) 2322500200012
(ERR-6) 93mNb half-life (3.1%) 2322500200013
(ERR-7) In activity (2.5%) 2322500200014
(ERR-8) Syst. unc. of flux determination at 2322500200015
Nb foil position (2.0%) 2322500200016
(MONIT-ERR) In cross section (2.5%) 2322500200017
STATUS (TABLE) Abstract of 4th ASTM-EURATOM Symp. vol.1 p.433 2322500200018
ENDBIB 16 0 2322500200019
COMMON 8 6 2322500200020
ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 2322500200021
ERR-7 ERR-8 2322500200022
PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2322500200023
PER-CENT PER-CENT 2322500200024
3.0 0.5 1.3 0.8 3.3 3.1 2322500200025
2.5 2.0 2322500200026
ENDCOMMON 6 0 2322500200027
DATA 5 1 2322500200028
KT-DUMMY DATA ERR-T MONIT MONIT-ERR 2322500200029
MEV MB MB MB MB 2322500200030
1.42 149. 10. 195. 5. 2322500200031
ENDDATA 3 0 2322500200032
ENDSUBENT 31 0 2322500299999
SUBENT 23225003 20140216 22382322500300001
BIB 5 5 2322500300002
REACTION (41-NB-93(N,2N)41-NB-92-M,,SIG,,FIS) 2322500300003
DECAY-DATA (41-NB-92-M,,DG,935.) 2322500300004
ERR-ANALYS (DATA-ERR) No information on source of uncertainties 2322500300005
COMMENT By author: measured with very low counting statistics 2322500300006
STATUS (TABLE) Text(p440) of 4th ASTM-EURATOM Symp.vol.1 p.4332322500300007
ENDBIB 5 0 2322500300008
NOCOMMON 0 0 2322500300009
DATA 5 1 2322500300010
KT-DUMMY DATA DATA-ERR MONIT MONIT-ERR 2322500300011
MEV MB MB MB MB 2322500300012
1.42 0.7 0.2 195. 5. 2322500300013
ENDDATA 3 0 2322500300014
ENDSUBENT 13 0 2322500399999
ENDENTRY 3 0 2322599999999