ENTRY 23240 20170827 22652324000000001
SUBENT 23240001 20170827 22652324000100001
BIB 12 56 2324000100002
TITLE Beta-delayed neutron emission following the decay of 2324000100003
17-N 2324000100004
AUTHOR (H.Ohm,W.Rudolph,K.-L.Kratz) 2324000100005
INSTITUTE (2GERMNZ) 2324000100006
REFERENCE (J,NP/A,274,45,1976) 2324000100007
REL-REF (M,,K.-L.Kratz,S,INDC(NDS)-107,103,1979) - Review 2324000100008
of delayed neutron energy spectra; High-resolution He-32324000100009
spectrometer description. 2324000100010
FACILITY (REAC,2GERMNZ) 2324000100011
METHOD N-17 activity was produced in the Li-6(n,a)H-3 and 2324000100012
O-18(t,a)N-17 reactions at Mainz TRIGA reactor using 2324000100013
enriched (Li-6)2(C)(O-18)3 (Li-6 >95%, O-18 83.4%). 2324000100014
Irradiation was performed in a fast pneumatic tube 2324000100015
system using samples of 75 mg . 2324000100016
Counting was started 0.3 sec after irradiation. 2324000100017
Background - 7 counts/min. 2324000100018
Neutron decay curves were recorded with 100 channel 2324000100019
analyzer. 2324000100020
Energy shifts were determined to lie within the 2324000100021
standard deviations of electronic system of +-0.2 keV 2324000100022
over the energy range 0-2 MeV. 2324000100023
(PHD) 85 measurements were done to improve counting 2324000100024
statistics. Exp.PHD on Fig.2A of NP/A,274,45,1976. 2324000100025
DETECTOR (HE3SP) High-resolution He-3 spectrometer - eight He-3 2324000100026
proportional counters in circular block of paraffin- 2324000100027
to measure N-17 neutron decay curve. 2324000100028
Dead time 10 microsec. 2324000100029
(IOCH) Two identical He-3 ionization chambers with 2324000100030
He-3+Ar at 10 atm; resolution 12 keV for thermal, 2324000100031
22 keV for 1.0 MeV neutrons - to measure delayed 2324000100032
neutron spectrum. 2324000100033
Detectors resolutions,response functions, efficiencies2324000100034
were measured with monoenergetic neutrons generated by 2324000100035
Li-7(p,n)Be-7 for neutron energy range 0.019-2.7 MeV. 2324000100036
Absolute calibration accuracy about 0.1% for incident 2324000100037
neutron energy, about 3.5 % for relative efficiency. 2324000100038
CORRECTION For detector efficiency and thermal neutrons. 2324000100039
DECAY-DATA (7-N-17,4.174SEC) 4.174+-0.004 sec. 2324000100040
ADD-RES (DECAY) Half-life of 4.174+-0.004 sec was obtained from2324000100041
analysis of N-17 decay curve. 2324000100042
Level energies, neutron widths of neutron emitting 2324000100043
states in O-17 (Table 2 of NP/A,274,45,1976), 2324000100044
intensities of neutron branch from O-17 levels 2324000100045
(Abstract of NP/A,274,45,1976) 2324000100046
Elvl,keV Intensity, % Width, keV 2324000100047
4549.3+-1.3 34.8+-2.6 54.8+-0.4 2324000100048
5081.+-21. 0.6+-0.4 113.+-55. 2324000100049
5387.1+-1.2 52.7+-3.5 63.2+-1.1 2324000100050
5949.9+-1.9 7.0+-0.5 60.5+-3.2 2324000100051
Absolute intensities normalized to Pn=(95+-1)% from 2324000100052
J.Tomlinson, At.Data and Nucl.Data Tables,12,179,1973. 2324000100053
Table 3 - Absolute intensities and log ft values. 2324000100054
Table 4 - Exp. asymmetry in mirror decays of the 2324000100055
mass-17 system. 2324000100056
HISTORY (20150520C) M.M. 2324000100057
(20170827U) SD: REL-REF was added. 2324000100058
ENDBIB 56 0 2324000100059
NOCOMMON 0 0 2324000100060
ENDSUBENT 59 0 2324000199999
SUBENT 23240002 20150320 22442324000200001
BIB 6 13 2324000200002
REACTION (7-N-17(0,B-)8-O-17,,PN/DE,,REL) 2324000200003
Relative intensities of beta-delayed neutrons in % of 2324000200004
sum for four energies - at peaks of spectrum. 2324000200005
EN-SEC (E,N) Energy of delayed neutrons. 2324000200006
ANALYSIS Energies of peaks, their FWHM and relative intensities 2324000200007
were determined by codes SAMPO and GSE (see REL-REF). 2324000200008
REL-REF (N,,J.T.Routti+,J,NIM,72,125,1969) 2324000200009
SAMPO code. 2324000200010
GSE code - G.Wirth,K.Suemmerer,H.Otto,Program Library,2324000200011
Institute fuer Kernchemie, Universitaet Mainz, 1975. 2324000200012
ERR-ANALYS (DATA-ERR) Not specified. 2324000200013
STATUS (TABLE) Table 1 of J,NP/A,274,45,1976 2324000200014
(DEP,23240003) Neutron spectrum in Subent 003. 2324000200015
ENDBIB 13 0 2324000200016
NOCOMMON 0 0 2324000200017
DATA 4 4 2324000200018
E E-ERR DATA DATA-ERR 2324000200019
KEV KEV ARB-UNITS ARB-UNITS 2324000200020
382.8 0.9 36.6 2.6 2324000200021
884. 21. 0.6 0.4 2324000200022
1170.9 0.8 55.5 3.5 2324000200023
1700.3 1.7 7.4 0.5 2324000200024
ENDDATA 6 0 2324000200025
ENDSUBENT 24 0 2324000299999
SUBENT 23240003 20150320 22442324000300001
BIB 5 18 2324000300002
REACTION (7-N-17(0,B-)8-O-17,,PN/DE,,REL) 2324000300003
Neutron spectrum after corrections. 2324000300004
Relative intensities . 2324000300005
ERR-ANALYS (E-ERR-DIG) Digitizing error for energy scale 2324000300006
(ERR-DIG) Digitizing error for DATA scale 2324000300007
Quantization error ( one pixel): 2324000300008
scale X - 1.24 keV, 2324000300009
scale Y - 1.59 ARB-UNITS . 2324000300010
REL-REF (O,,H.Franz+,J,NIM,144,253,1977) 2324000300011
Spectrum is given in lin-log scales on Fig.6 . 2324000300012
(O,,K.Kratz,R,INDC(NDS)-107,103,1979) 2324000300013
Spectrum is given in lin-log scales on Fig.14 . 2324000300014
STATUS (CURVE) Fig.2 of J,NP/A,274,45,1976 2324000300015
COMMENT Of compiler. 2324000300016
- Negative values of neutron energies are due to 2324000300017
some energy shift in X scale on Fig.2A; 2324000300018
- X scale ( neutron energy) was digitized from Fig.2A, 2324000300019
data - from Fig 2B. 2324000300020
ENDBIB 18 0 2324000300021
COMMON 2 3 2324000300022
E-ERR-DIG ERR-DIG 2324000300023
KEV ARB-UNITS 2324000300024
1.01 6.66 2324000300025
ENDCOMMON 3 0 2324000300026
DATA 3 203 2324000300027
E-MIN E-MAX DATA 2324000300028
KEV KEV ARB-UNITS 2324000300029
-59.27 -47.52 9.27 2324000300030
-47.52 -38.25 17.17 2324000300031
-38.25 -23.41 18.73 2324000300032
-23.41 -14.74 26.63 2324000300033
-14.74 -7.93 36.11 2324000300034
-7.93 0.12 46.39 2324000300035
0.12 16.21 57.46 2324000300036
16.21 22.40 69.31 2324000300037
22.40 32.30 78.01 2324000300038
32.30 39.73 88.28 2324000300039
39.73 47.16 96.19 2324000300040
47.16 55.20 103.30 2324000300041
55.20 66.95 116.74 2324000300042
66.95 73.76 108.81 2324000300043
73.76 81.18 125.42 2324000300044
81.18 87.98 115.12 2324000300045
87.98 94.79 129.35 2324000300046
94.79 104.08 134.09 2324000300047
104.08 112.75 148.32 2324000300048
112.75 123.27 153.85 2324000300049
123.27 129.46 176.80 2324000300050
129.46 135.64 162.53 2324000300051
135.64 141.21 180.74 2324000300052
141.21 146.76 164.89 2324000300053
146.76 160.98 167.42 2324000300054
160.98 168.43 179.10 2324000300055
168.43 178.35 205.21 2324000300056
178.35 191.96 221.03 2324000300057
191.96 201.22 228.13 2324000300058
201.22 206.79 204.37 2324000300059
206.79 215.49 236.81 2324000300060
215.49 221.67 278.77 2324000300061
221.67 231.57 243.12 2324000300062
231.57 238.41 282.69 2324000300063
238.41 246.47 322.27 2324000300064
246.47 263.16 328.58 2324000300065
263.16 271.20 320.64 2324000300066
271.20 279.26 328.54 2324000300067
279.26 286.71 366.53 2324000300068
286.71 296.01 388.68 2324000300069
296.01 312.73 420.34 2324000300070
312.73 320.18 439.31 2324000300071
320.18 327.04 467.80 2324000300072
327.04 334.52 544.59 2324000300073
334.52 343.87 569.91 2324000300074
343.87 351.38 692.62 2324000300075
351.38 357.73 733.78 2324000300076
357.73 365.96 999.81 2324000300077
365.96 374.63 1060.75 2324000300078
374.63 382.60 1030.65 2324000300079
382.60 391.14 951.45 2324000300080
391.14 400.87 812.88 2324000300081
400.87 408.71 673.51 2324000300082
408.71 415.36 461.31 2324000300083
415.36 423.93 397.95 2324000300084
423.93 433.12 316.38 2324000300085
433.12 441.10 247.48 2324000300086
441.10 447.25 215.80 2324000300087
447.25 456.49 184.12 2324000300088
456.49 463.88 162.72 2324000300089
463.88 478.69 131.83 2324000300090
478.69 487.96 124.67 2324000300091
487.96 496.60 118.33 2324000300092
496.60 505.25 93.76 2324000300093
505.25 511.43 110.38 2324000300094
511.43 531.82 92.14 2324000300095
531.82 544.80 96.07 2324000300096
544.80 552.21 84.97 2324000300097
552.21 561.47 77.03 2324000300098
561.47 568.89 61.18 2324000300099
568.89 575.07 84.13 2324000300100
575.07 586.19 70.65 2324000300101
586.19 593.61 61.14 2324000300102
593.61 599.79 72.21 2324000300103
599.79 623.89 56.35 2324000300104
623.89 659.75 65.00 2324000300105
659.75 673.96 58.62 2324000300106
673.96 681.38 49.10 2324000300107
681.38 688.19 66.51 2324000300108
688.19 693.74 53.83 2324000300109
693.74 706.11 45.89 2324000300110
706.11 713.52 64.88 2324000300111
713.52 720.32 37.94 2324000300112
720.32 729.60 64.06 2324000300113
729.60 738.26 49.00 2324000300114
738.26 745.68 62.44 2324000300115
745.68 758.65 56.88 2324000300116
758.65 769.16 41.02 2324000300117
769.16 786.49 54.46 2324000300118
786.49 792.67 73.44 2324000300119
792.67 800.70 53.63 2324000300120
800.70 815.54 68.66 2324000300121
815.54 822.96 57.55 2324000300122
822.96 828.52 71.79 2324000300123
828.52 834.70 52.78 2324000300124
834.70 850.17 70.97 2324000300125
850.17 858.83 76.49 2324000300126
858.83 865.64 83.60 2324000300127
865.64 873.05 95.46 2324000300128
873.05 879.22 66.15 2324000300129
879.22 889.75 76.43 2324000300130
889.75 897.15 87.50 2324000300131
897.15 905.19 60.57 2324000300132
905.19 910.15 93.81 2324000300133
910.15 921.26 68.46 2324000300134
921.26 927.46 78.73 2324000300135
927.46 936.11 85.05 2324000300136
936.11 951.55 73.95 2324000300137
951.55 960.82 54.13 2324000300138
960.82 967.62 75.49 2324000300139
967.62 977.51 56.48 2324000300140
977.51 985.56 70.71 2324000300141
985.56 995.47 95.24 2324000300142
995.47 1001.60 84.14 2324000300143
1001.60 1009.05 71.46 2324000300144
1009.05 1014.60 91.24 2324000300145
1014.60 1024.55 109.44 2324000300146
1024.55 1047.40 115.75 2324000300147
1047.40 1056.70 105.42 2324000300148
1056.70 1065.40 129.16 2324000300149
1065.40 1074.05 140.23 2324000300150
1074.05 1081.50 195.64 2324000300151
1081.50 1089.55 185.33 2324000300152
1089.55 1097.65 219.36 2324000300153
1097.65 1105.75 289.02 2324000300154
1105.75 1114.50 327.80 2324000300155
1114.50 1121.95 406.17 2324000300156
1121.95 1128.85 479.79 2324000300157
1128.85 1138.35 562.91 2324000300158
1138.35 1147.25 836.84 2324000300159
1147.25 1154.85 1031.60 2324000300160
1154.85 1163.65 1174.90 2324000300161
1163.65 1169.95 1313.45 2324000300162
1169.95 1180.30 1336.40 2324000300163
1180.30 1185.00 1044.20 2324000300164
1185.00 1194.75 921.47 2324000300165
1194.75 1200.00 705.11 2324000300166
1200.00 1208.65 578.61 2324000300167
1208.65 1217.10 485.97 2324000300168
1217.10 1224.40 314.93 2324000300169
1224.40 1232.45 306.21 2324000300170
1232.45 1241.05 242.06 2324000300171
1241.05 1248.45 227.79 2324000300172
1248.45 1257.05 170.77 2324000300173
1257.05 1264.40 145.42 2324000300174
1264.40 1278.65 115.31 2324000300175
1278.65 1288.50 109.75 2324000300176
1288.50 1297.20 107.36 2324000300177
1297.20 1304.55 101.79 2324000300178
1304.55 1312.55 79.61 2324000300179
1312.55 1319.40 58.22 2324000300180
1319.40 1329.25 66.12 2324000300181
1329.25 1336.05 70.86 2324000300182
1336.05 1341.60 51.85 2324000300183
1341.60 1352.10 58.96 2324000300184
1352.10 1374.95 43.09 2324000300185
1374.95 1382.45 53.35 2324000300186
1382.45 1389.20 32.76 2324000300187
1389.20 1401.55 27.20 2324000300188
1401.55 1409.00 36.68 2324000300189
1409.00 1415.15 28.75 2324000300190
1415.15 1426.90 41.40 2324000300191
1426.90 1439.30 32.67 2324000300192
1439.30 1446.70 26.32 2324000300193
1446.70 1455.30 12.05 2324000300194
1455.30 1465.20 42.91 2324000300195
1465.20 1473.90 36.56 2324000300196
1473.90 1493.70 26.24 2324000300197
1493.70 1501.70 41.26 2324000300198
1501.70 1514.05 30.16 2324000300199
1514.05 1521.50 38.85 2324000300200
1521.50 1551.15 25.36 2324000300201
1551.15 1566.60 33.23 2324000300202
1566.60 1581.40 29.24 2324000300203
1581.40 1593.20 25.26 2324000300204
1593.20 1602.50 43.45 2324000300205
1602.50 1611.75 33.14 2324000300206
1611.75 1624.10 37.08 2324000300207
1624.10 1632.80 41.81 2324000300208
1632.80 1640.85 56.05 2324000300209
1640.85 1647.05 93.25 2324000300210
1647.05 1655.70 77.40 2324000300211
1655.70 1665.00 102.72 2324000300212
1665.00 1671.80 127.25 2324000300213
1671.80 1681.70 110.61 2324000300214
1681.70 1689.75 154.14 2324000300215
1689.75 1696.60 176.30 2324000300216
1696.60 1704.65 215.08 2324000300217
1704.65 1712.65 177.06 2324000300218
1712.65 1720.65 137.45 2324000300219
1720.65 1728.05 120.02 2324000300220
1728.05 1736.05 87.54 2324000300221
1736.05 1744.70 70.11 2324000300222
1744.70 1768.80 42.37 2324000300223
1768.80 1790.40 24.91 2324000300224
1790.40 1800.90 16.96 2324000300225
1800.90 1808.30 6.65 2324000300226
1808.30 1815.70 25.64 2324000300227
1815.70 1827.45 12.95 2324000300228
1827.45 1850.95 6.60 2324000300229
1850.95 1886.80 8.90 2324000300230
1886.80 1910.30 6.48 2324000300231
1910.30 1930.10 4.85 2324000300232
ENDDATA 205 0 2324000300233
ENDSUBENT 232 0 2324000399999
ENDENTRY 3 0 2324099999999