ENTRY 20214 19831121 00002021400000001
SUBENT 20214001 19831121 00002021400100001
BIB 15 50 2021400100002
INSTITUTE (2NEDUTR) 2021400100003
REFERENCE (J,NP/A,102,209,6709) 2021400100004
AUTHOR (P.SPILLING, H.GRUPPELAAR, A.M.F.OP DEN KAMP) 2021400100005
TITLE - THERMAL-NEUTRON CAPTURE GAMMA RAYS FROM NATURAL 2021400100006
MAGNESIUM AND ENRICHED MG-25 - 2021400100007
FACILITY .HIGH FLUX REACTOR IN PETTEN 2021400100008
INC-SOURCE (REAC ) TARGET PLACED IN A HORIZONTAL RADIAL BEAM 2021400100009
OF THE REACTOR. 2021400100010
.THE NEUTRON FILTER, CONSISTING OF QUARTZ 2021400100011
AND BISMUTH SINGLE CRYSTALS, WAS COOLED TO 2021400100012
77 KELVIN BY LIQUID NITROGEN. 2021400100013
NEUTRON FLUX = 1.E+7/CM**2/SEC. 2021400100014
SAMPLE .COMPOSITION 6 GRAMM NATURAL MAGNESIUM METAL AND 2021400100015
2.4 GRAMM MG-O (85 PERCENT ENRICHED IN MG-25). 2021400100016
DETECTOR (GELI ) 1.6 CM**3 AND 5 CM**3 GE(LI)-DETECTORS FOR 2021400100017
GAMMA-RAYS FROM ENRICHED AND NATURAL SAMPLE 2021400100018
USED RESPECTIVELY. 2021400100019
MONITOR .THE INTENSITIES IN THE THREE MG-ISOTOPES 2021400100020
ARE NORMALIZED SUCH THAT THE SUM OF THE 2021400100021
INTENSITIES OF PRIMARY GAMMA-RAYS IS 100. 2021400100022
THE SAME HAS BEEN DONE FOR THE DECAY OF 2021400100023
THE VARIOUS LEVELS. 2021400100024
.THE EFFICIENCY CURVES FOR FULL-ENERGY, 2021400100025
SINGLE-ESCAPE AND PAIR PEAKS WERE OBTAINED 2021400100026
WITH SOURCES OF KNOWN INTENSITIES AND WITH 2021400100027
GAMMA-RAYS FROM CL-35(N,GAMMA) AND 2021400100028
S-32(N,GAMMA) REACTIONS, DETAILS IN 2021400100029
NUCL.PHYS.,A102(1967)209. 2021400100030
.ENERGIES OF GAMMA-RAYS USED FOR CALIBRATION 2021400100031
GIVEN IN TABLE 4 OF NUCL.PHYS.,A102(1967)209 2021400100032
ASSUMING MG(N,GAMMA) = 64 +- 3 MILLIBARN 2021400100033
AND USING THE GAMMA INTENSITIES MEASURED 2021400100034
THE (N,GAMMA)-CROSS-SECTIONS FOR MG-25, 2021400100035
MG-26, AND MG-27 WAS DERIVED. 2021400100036
PART-DET (G ) GAMMAS 2021400100037
COMMENT .LEVEL SCHEMES CONSTRUCTED, DETAILS IN PUBLICATION. 2021400100038
.Q-VALUES FOR (N,GAMMA)-REACTIONS FOR THE TARGET 2021400100039
ISOTOPES MG-24, MG-25, MG-26 DETERMINED AS 2021400100040
Q = 7332.8 +- 0.4 KEV, Q = 11096.0 +- 0.5 KEV, 2021400100041
Q = 6446.3 +- 0.9 KEV RESPECTIVELY. 2021400100042
STATUS .DATA FROM NUCL.PHYS.,A102(1967)209. 2021400100043
HISTORY (721003C) 2021400100044
(740521E) 2021400100045
CORRECTION .GAMMA-RAYS CORRECTED FOR RECOIL LOSSES. 2021400100046
ERR-ANALYS .ERRORS IN THE ENERGIES ARE MAINLY DUE TO ERRORS 2021400100047
MADE IN READING-OFF PEAK POSITIONS. THE ERRORS IN THE 2021400100048
INTENSITIES ARE PARTLY DUE TO STATISTICS, PARTLY DUE 2021400100049
TO UNCERTAINTIES IN THE EFFICIENCY CURVES FOR THE 2021400100050
DETECTOR. THE EFFICIENCY CURVES ARE BELIEVED TO BE 2021400100051
TRUE TO WITHIN 15 PERCENT. 2021400100052
ENDBIB 50 0 2021400100053
COMMON 1 3 2021400100054
EN-DUMMY 2021400100055
MEV 2021400100056
2.5300E-08 2021400100057
ENDCOMMON 3 0 2021400100058
ENDSUBENT 57 0 2021400199999
SUBENT 20214002 19831121 00002021400200001
BIB 3 4 2021400200002
REACTION (12-MG-0(N,G),,SPC,,SPA) 2021400200003
FLAG (1.) MG-24(N,GAMMA) AND MG-25(N,GAMMA). 2021400200004
HISTORY (721003C) 2021400200005
(740521E) 2021400200006
ENDBIB 4 0 2021400200007
NOCOMMON 0 0 2021400200008
DATA 5 11 2021400200009
E E-ERR DATA DATA-ERR FLAG 2021400200010
MEV MEV GAM/100N GAM/100N NO-DIM 2021400200011
1.8200E-01 3.0000E-04 2.0000E+01 5.0000E+00 2021400200012
5.1100E-01 3.0000E-04 2.1000E+03 3.0000E+02 2021400200013
2.3908E+00 1.0000E-03 5.0000E+01 1.0000E+01 2021400200014
2.4160E+00 2.0000E-03 2.0000E+01 1.0000E+01 2021400200015
4.5315E+00 1.0000E-03 1.5000E+01 3.0000E+00 2021400200016
5.2250E+00 1.5000E-03 6.0000E+00 8.0000E+00 2021400200017
5.5265E+00 2.0000E-03 1.0000E+01 4.0000E+00 2021400200018
5.6222E+00 1.5000E-03 4.0000E+00 2.0000E+00 2021400200019
6.4702E+00 1.5000E-03 8.0000E+00 2.0000E+00 2021400200020
6.7467E+00 1.0000E-03 4.0000E+01 5.0000E+00 1.0000E+00 2021400200021
6.8677E+00 2.0000E-03 2.0000E+00 1.0000E+00 2021400200022
ENDDATA 13 0 2021400200023
ENDSUBENT 22 0 2021400299999
SUBENT 20214003 19831121 00002021400300001
BIB 3 4 2021400300002
REACTION (12-MG-24(N,G)12-MG-25,,SIG,,SPA) 2021400300003
ANALYSIS .FROM THE SUM OF THE PRIMARY GAMMA-RAYS. 2021400300004
HISTORY (721003C) 2021400300005
(740521E) 2021400300006
ENDBIB 4 0 2021400300007
NOCOMMON 0 0 2021400300008
DATA 2 1 2021400300009
DATA DATA-ERR 2021400300010
B B 2021400300011
5.2000E-02 1.3000E-02 2021400300012
ENDDATA 3 0 2021400300013
ENDSUBENT 12 0 2021400399999
SUBENT 20214004 19831121 00002021400400001
BIB 2 3 2021400400002
REACTION (12-MG-24(N,G)12-MG-25,,SPC,,SPA) 2021400400003
HISTORY (721003C) 2021400400004
(740521E) 2021400400005
ENDBIB 3 0 2021400400006
NOCOMMON 0 0 2021400400007
DATA 4 15 2021400400008
E E-ERR DATA DATA-ERR 2021400400009
MEV MEV GAM/100N GAM/100N 2021400400010
3.8970E-01 3.0000E-04 4.2000E+02 6.0000E+01 2021400400011
5.8520E-01 3.0000E-03 2.0000E+03 3.0000E+02 2021400400012
9.7470E-01 3.0000E-04 4.1000E+02 6.0000E+01 2021400400013
1.6137E+00 1.5000E-03 1.1500E+02 2.0000E+01 2021400400014
1.7137E+00 1.0000E-03 8.0000E+01 1.0000E+01 2021400400015
1.9776E+00 2.0000E-03 7.0000E+01 1.0000E+01 2021400400016
2.4387E+00 1.0000E-03 2.7500E+02 4.0000E+01 2021400400017
2.5611E+00 1.5000E-03 1.5000E+01 1.0000E+01 2021400400018
2.8288E+00 3.0000E-04 1.4500E+03 2.2000E+02 2021400400019
3.0545E+00 5.0000E-04 4.6500E+02 7.0000E+01 2021400400020
3.3020E+00 5.0000E-04 3.6000E+02 3.5000E+01 2021400400021
3.4146E+00 1.0000E-03 1.2500E+02 3.0000E+01 2021400400022
3.6929E+00 1.5000E-03 5.5000E+01 1.0000E+01 2021400400023
3.9186E+00 7.0000E-04 1.9000E+03 3.0000E+02 2021400400024
6.3587E+00 1.0000E-03 5.0000E+01 8.0000E+00 2021400400025
ENDDATA 17 0 2021400400026
ENDSUBENT 25 0 2021400499999
SUBENT 20214005 19831121 00002021400500001
BIB 3 4 2021400500002
REACTION (12-MG-25(N,G)12-MG-26,,SIG,,SPA) 2021400500003
ANALYSIS .FROM THE SUM OF THE GROUND-STATE GAMMA-RAYS. 2021400500004
HISTORY (721003C) 2021400500005
(740521E) 2021400500006
ENDBIB 4 0 2021400500007
NOCOMMON 0 0 2021400500008
DATA 2 1 2021400500009
DATA DATA-ERR 2021400500010
B B 2021400500011
1.8100E-01 5.0000E-02 2021400500012
ENDDATA 3 0 2021400500013
ENDSUBENT 12 0 2021400599999
SUBENT 20214006 19831121 00002021400600001
BIB 2 3 2021400600002
REACTION (12-MG-25(N,G)12-MG-26,,SPC,,SPA) 2021400600003
HISTORY (721003C) 2021400600004
(740521E) 2021400600005
ENDBIB 3 0 2021400600006
NOCOMMON 0 0 2021400600007
DATA 4 67 2021400600008
E E-ERR DATA DATA-ERR 2021400600009
MEV MEV GAM/100N GAM/100N 2021400600010
7.0400E-01 3.0000E-03 1.0000E+01 5.0000E+00 2021400600011
7.6240E-01 3.0000E-03 1.0000E+01 5.0000E+00 2021400600012
1.0029E+00 5.0000E-04 1.1000E+02 1.5000E+01 2021400600013
1.0976E+00 1.0000E-03 1.5000E+01 5.0000E+00 2021400600014
1.1120E+00 3.0000E-03 1.5000E+01 5.0000E+00 2021400600015
1.1295E+00 3.0000E-04 5.2500E+02 8.0000E+01 2021400600016
1.1726E+00 2.0000E-03 1.0000E+01 5.0000E+00 2021400600017
1.2961E+00 1.0000E-03 3.5000E+01 5.0000E+00 2021400600018
1.3941E+00 2.0000E-03 2.0000E+01 1.0000E+01 2021400600019
1.4057E+00 2.0000E-03 2.5000E+01 1.0000E+01 2021400600020
1.4115E+00 2.0000E-03 7.5000E+01 1.0000E+01 2021400600021
1.7758E+00 2.0000E-03 1.2000E+02 3.0000E+01 2021400600022
1.8088E+00 5.0000E-04 1.0600E+03 1.6000E+02 2021400600023
2.1313E+00 2.0000E-03 7.0000E+01 1.5000E+01 2021400600024
2.1875E+00 2.0000E-03 4.0000E+01 2.0000E+01 2021400600025
2.3525E+00 1.5000E-03 3.5000E+01 1.0000E+01 2021400600026
2.5099E+00 1.0000E-03 4.0000E+01 1.0000E+01 2021400600027
2.5214E+00 1.5000E-03 8.0000E+01 1.0000E+01 2021400600028
2.5418E+00 1.0000E-03 6.0000E+01 1.0000E+01 2021400600029
2.9083E+00 1.5000E-03 2.5000E+01 5.0000E+00 2021400600030
2.9185E+00 1.5000E-03 3.0000E+01 1.0000E+01 2021400600031
2.9377E+00 1.5000E-03 5.0000E+01 1.0000E+01 2021400600032
3.0055E+00 1.5000E-03 3.0000E+01 1.0000E+01 2021400600033
3.0920E+00 2.0000E-03 1.5000E+01 5.0000E+00 2021400600034
3.1910E+00 2.0000E-03 1.0000E+01 5.0000E+00 2021400600035
3.2100E+00 2.0000E-03 2.5000E+01 5.0000E+00 2021400600036
3.3210E+00 1.0000E-03 4.0000E+01 1.5000E+01 2021400600037
3.3400E+00 1.5000E-03 2.5000E+01 5.0000E+00 2021400600038
3.4030E+00 2.0000E-03 1.0000E+01 5.0000E+00 2021400600039
3.4860E+00 2.0000E-03 5.0000E+00 4.0000E+00 2021400600040
3.5514E+00 1.5000E-03 6.0000E+01 1.0000E+01 2021400600041
3.6815E+00 3.0000E-03 1.0000E+01 5.0000E+00 2021400600042
3.7458E+00 1.5000E-03 6.5000E+01 1.0000E+01 2021400600043
3.8123E+00 7.0000E-04 5.0000E+01 1.0000E+01 2021400600044
3.8331E+00 7.0000E-04 2.4000E+02 3.5000E+01 2021400600045
3.9932E+00 3.0000E-03 1.0000E+01 5.0000E+00 2021400600046
4.1284E+00 7.0000E-04 7.0000E+01 1.0000E+01 2021400600047
4.3050E+00 2.0000E-03 4.0000E+00 2.0000E+00 2021400600048
4.3130E+00 3.0000E-03 7.0000E+00 2.0000E+00 2021400600049
4.3240E+00 2.0000E-03 2.0000E+01 5.0000E+00 2021400600050
4.3360E+00 2.0000E-03 1.0000E+01 3.0000E+00 2021400600051
4.4125E+00 1.5000E-03 4.5000E+01 7.0000E+00 2021400600052
4.4629E+00 2.0000E-03 6.0000E+00 2.0000E+00 2021400600053
4.5132E+00 2.0000E-03 1.5000E+01 3.0000E+00 2021400600054
4.5570E+00 1.5000E-03 2.0000E+01 3.0000E+00 2021400600055
4.6062E+00 1.0000E-03 2.0000E+01 3.0000E+00 2021400600056
4.8891E+00 2.0000E-03 4.0000E+00 2.0000E+00 2021400600057
4.9370E+00 1.0000E-03 2.5000E+01 5.0000E+00 2021400600058
4.9480E+00 2.0000E-03 2.0000E+01 5.0000E+00 2021400600059
4.9691E+00 1.0000E-03 9.0000E+01 1.5000E+01 2021400600060
5.0368E+00 1.5000E-03 7.0000E+00 2.0000E+00 2021400600061
5.0702E+00 1.5000E-03 5.0000E+01 1.0000E+01 2021400600062
5.2406E+00 2.0000E-03 6.0000E+00 2.0000E+00 2021400600063
5.2566E+00 3.0000E-03 1.5000E+01 3.0000E+00 2021400600064
5.4550E+00 1.0000E-03 1.1500E+02 1.5000E+01 2021400600065
5.4735E+00 1.5000E-03 5.0000E+00 2.0000E+00 2021400600066
5.5408E+00 1.5000E-03 2.0000E+01 5.0000E+00 2021400600067
5.5582E+00 2.0000E-03 6.0000E+00 2.0000E+00 2021400600068
5.7336E+00 1.5000E-03 4.0000E+00 2.0000E+00 2021400600069
5.8045E+00 1.5000E-03 1.5000E+01 3.0000E+00 2021400600070
6.3790E+00 1.5000E-03 1.2000E+01 3.0000E+00 2021400600071
6.7637E+00 1.5000E-03 1.2000E+01 2.0000E+00 2021400600072
6.7818E+00 3.0000E-03 3.0000E+00 1.0000E+00 2021400600073
7.1543E+00 1.5000E-03 5.0000E+00 2.0000E+00 2021400600074
7.2557E+00 2.0000E-03 5.0000E+00 2.0000E+00 2021400600075
8.1590E+00 1.0000E-03 1.8000E+02 2.5000E+01 2021400600076
9.2869E+00 1.0000E-03 4.0000E+01 5.0000E+00 2021400600077
ENDDATA 69 0 2021400600078
ENDSUBENT 77 0 2021400699999
SUBENT 20214007 19831121 00002021400700001
BIB 3 4 2021400700002
REACTION (12-MG-26(N,G)12-MG-27,,SIG,,SPA) 2021400700003
ANALYSIS .FROM THE SUM OF THE GROUND-STATE GAMMA-RAYS. 2021400700004
HISTORY (721003C) 2021400700005
(740521E) 2021400700006
ENDBIB 4 0 2021400700007
NOCOMMON 0 0 2021400700008
DATA 2 1 2021400700009
DATA DATA-ERR 2021400700010
B B 2021400700011
3.4000E-02 1.0000E-02 2021400700012
ENDDATA 3 0 2021400700013
ENDSUBENT 12 0 2021400799999
SUBENT 20214008 19831121 00002021400800001
BIB 3 6 2021400800002
REACTION (12-MG-26(N,G)12-MG-27,,SPC,,SPA) 2021400800003
FLAG (1.) MG-26(N,GAMMA)MG-27(BETA-)AL-27. 2021400800004
(2.) MG-26(N,GAMMA)MG-27, ISOTOPE ASSIGNMENT IS 2021400800005
TENTATIVE. 2021400800006
HISTORY (721003C) 2021400800007
(740521E) 2021400800008
ENDBIB 6 0 2021400800009
NOCOMMON 0 0 2021400800010
DATA 5 8 2021400800011
E E-ERR DATA DATA-ERR FLAG 2021400800012
MEV MEV GAM/100N GAM/100N NO-DIM 2021400800013
8.4410E-01 3.0000E-04 1.4000E+02 2.0000E+01 1.0000E+00 2021400800014
9.8410E-01 5.0000E-04 6.0000E+01 1.0000E+01 2021400800015
1.0143E+00 5.0000E-04 7.0000E+01 1.0000E+01 1.0000E+00 2021400800016
1.9425E+00 2.0000E-03 2.0000E+01 1.0000E+01 2.0000E+00 2021400800017
2.8824E+00 3.0000E-04 1.3000E+02 2.0000E+01 2021400800018
3.1160E+00 2.0000E-03 6.5000E+01 3.0000E+01 2.0000E+00 2021400800019
3.5638E+00 1.5000E-03 1.7000E+02 3.5000E+01 2021400800020
6.4463E+00 1.5000E-03 2.0000E+01 4.0000E+00 2021400800021
ENDDATA 10 0 2021400800022
ENDSUBENT 21 0 2021400899999
ENDENTRY 8 0 2021499999999