ENTRY 20889 19860210 00002088900000001 SUBENT 20889001 19860210 00002088900100001 BIB 14 40 2088900100002 INSTITUTE (2ITYTUR) UNIVERSITY OF TURIN 2088900100003 REFERENCE (J,NP/A,93,218,6703) 2088900100004 AUTHOR (A.PASQUARELLI) 2088900100005 TITLE -MEASUREMENT OF CROSS SECTIONS FOR (N,2N),(N,P) 2088900100006 AND (N,ALPHA) REACTIONS AT 14.7 MEV- 2088900100007 FACILITY (CCW ) NEUTRON GENERATOR OPERATED AT 130 KV 2088900100008 INC-SOURCE (D-T ) SOLID TRITIDE TARGET PRODUCING NEUTRONS 2088900100009 WITH A MEAN ENERGY OF 14.7 MEV AND AN 2088900100010 ENERGY SPREAD OF 100 KEV AT THE SAMPLE 2088900100011 POSITION. 2088900100012 METHOD (ACTIV) ACTIVATION 2088900100013 DETECTOR (GEMUC) END-WINDOW GEIGER-MUELLER COUNTER WITH 2088900100014 1.9 MG/CM-SQ MICA WINDOW. 2088900100015 (SOLST) SILICON JUNCTION DETECTOR USED TO MEASURE 2088900100016 NEUTRON FLUX BY MONITORING ASSOCIATED ALPHAS 2088900100017 FROM D-T REACTION. ESTIMATED ERROR LESS 2088900100018 THAN 1 PER-CENT. 2088900100019 MONITOR (1-H-3(D,N)2-HE-4,,DA) 2088900100020 COMMENT .THIS PAPER FOLLOWS ON FROM AN EARLIER ONE IN WHICH 2088900100021 FURTHER EXPERIMENTAL DETAILS ARE GIVEN,(J,NP,51,337, 2088900100022 6402).THE MAIN DIFFERENCE IS THAT IN THE PRESENT 2088900100023 WORK THICKER SAMPLES COULD BE USED TO INCREASE THE 2088900100024 COUNT RATE AS AN IMPROVED EXPRESSION FOR SELF- 2088900100025 ABSORPTION AND SELF-SCATTERING WAS AVAILABLE. 2088900100026 STATUS .DATA TABLE IN J,NP/A,93,218,6703. 2088900100027 HISTORY (790412C) 2088900100028 (790528E) 2088900100029 (800916A) REACTION STRING IN 014 CORRECTED. 2088900100030 (801015E) 2088900100031 (830411A) SUBWORK 023 ADDED. 2088900100032 (830429E) 2088900100033 (860120U) 2088900100034 (860210E) 2088900100035 CORRECTION .CORRECTIONS MADE FOR BACKSCATTERING FROM SOURCE 2088900100036 SUPPORT, SELF-ABSORPTION AND SCATTERING IN SOURCE 2088900100037 MATERIAL, G.M. WINDOW ABSORPTION AND POOR GEOMETRY 2088900100038 EFFECTS. 2088900100039 ERR-ANALYS .STATISTICAL AND SYSTEMATIC ERRORS INCLUDED. 2088900100040 POSSIBLE ERRORS IN THE PUBLISHED DECAY CHAINS 2088900100041 ARE NOT TAKEN INTO ACCOUNT. 2088900100042 ENDBIB 40 0 2088900100043 COMMON 2 3 2088900100044 EN EN-RSL 2088900100045 MEV MEV 2088900100046 1.4700E+01 1.0000E-01 2088900100047 ENDCOMMON 3 0 2088900100048 ENDSUBENT 47 0 2088900199999 SUBENT 20889002 19840227 00002088900200001 BIB 4 5 2088900200002 REACTION (7-N-14(N,2N)7-N-13,,SIG) 2088900200003 SAMPLE .75.22 MG/CM-SQ NATURAL SAMPLE. 2088900200004 DECAY-DATA (7-N-13,10.MIN,B+,1190.,1.0) FROM NUCLEAR DATA 2088900200005 SHEETS. 2088900200006 STATUS .TABLE 2. 2088900200007 ENDBIB 5 0 2088900200008 NOCOMMON 0 0 2088900200009 DATA 2 1 2088900200010 DATA DATA-ERR 2088900200011 MB MB 2088900200012 6.1000E+00 2.0000E-01 2088900200013 ENDDATA 3 0 2088900200014 ENDSUBENT 13 0 2088900299999 SUBENT 20889003 19840227 00002088900300001 BIB 4 5 2088900300002 REACTION (9-F-19(N,2N)9-F-18,,SIG) 2088900300003 SAMPLE .47.98 MG/CM-SQ NATURAL SAMPLE. 2088900300004 DECAY-DATA (9-F-18,110.MIN,B+,649.,0.97) FROM NUCLEAR DATA 2088900300005 SHEETS. 2088900300006 STATUS .TABLE 2. 2088900300007 ENDBIB 5 0 2088900300008 NOCOMMON 0 0 2088900300009 DATA 2 1 2088900300010 DATA DATA-ERR 2088900300011 MB MB 2088900300012 4.1000E+01 1.5000E+00 2088900300013 ENDDATA 3 0 2088900300014 ENDSUBENT 13 0 2088900399999 SUBENT 20889004 19840227 00002088900400001 BIB 4 5 2088900400002 REACTION (9-F-19(N,P)8-O-19,,SIG) 2088900400003 SAMPLE .162.81 MG/CM-SQ NATURAL SAMPLE. 2088900400004 DECAY-DATA (8-O-19,29.SEC,B-,3350.,0.585,B-,4600.,0.415) 2088900400005 FROM NUCLEAR DATA SHEETS. 2088900400006 STATUS .TABLE 2. 2088900400007 ENDBIB 5 0 2088900400008 NOCOMMON 0 0 2088900400009 DATA 2 1 2088900400010 DATA DATA-ERR 2088900400011 MB MB 2088900400012 1.6400E+01 7.0000E-01 2088900400013 ENDDATA 3 0 2088900400014 ENDSUBENT 13 0 2088900499999 SUBENT 20889005 19840227 00002088900500001 BIB 4 5 2088900500002 REACTION (11-NA-23(N,P)10-NE-23,,SIG) 2088900500003 SAMPLE .167.2 MG/CM-SQ NATURAL SAMPLE. 2088900500004 DECAY-DATA (10-NE-23,38.SEC,B-,2400.,0.01,B-,3950.,0.32, 2088900500005 B-,4390.,0.67) FROM NUCLEAR DATA SHEETS. 2088900500006 STATUS .TABLE 2. 2088900500007 ENDBIB 5 0 2088900500008 NOCOMMON 0 0 2088900500009 DATA 2 1 2088900500010 DATA DATA-ERR 2088900500011 MB MB 2088900500012 4.1000E+01 1.2000E+00 2088900500013 ENDDATA 3 0 2088900500014 ENDSUBENT 13 0 2088900599999 SUBENT 20889006 19860228 00002088900600001 BIB 5 9 2088900600002 REACTION (12-MG-24(N,P)11-NA-24,,SIG) 2088900600003 SAMPLE .87.4 MG/CM-SQ NATURAL SAMPLE. 2088900600004 DECAY-DATA (11-NA-24-G,15.HR,B-,1391.,1.0) FROM NUCLEAR DATA 2088900600005 SHEETS. 2088900600006 STATUS .TABLE 2. 2088900600007 HISTORY (790412C) 2088900600008 (790528E) 2088900600009 (860228A) N.CH 2088900600010 (860411E) 2088900600011 ENDBIB 9 0 2088900600012 NOCOMMON 0 0 2088900600013 DATA 2 1 2088900600014 DATA DATA-ERR 2088900600015 MB MB 2088900600016 1.8200E+02 5.0000E+00 2088900600017 ENDDATA 3 0 2088900600018 ENDSUBENT 17 0 2088900699999 SUBENT 20889007 19840227 00002088900700001 BIB 4 6 2088900700002 REACTION (12-MG-25(N,P)11-NA-25,,SIG) 2088900700003 SAMPLE .180.5 MG/CM-SQ NATURAL SAMPLE. 2088900700004 DECAY-DATA (11-NA-25,60.SEC,B-,3800.,0.65,B-,2820.,0.285, 2088900700005 B-,2200.,0.065,B-,1800.,0.006) FROM NUCLEAR DATA 2088900700006 SHEETS. 2088900700007 STATUS .TABLE 2. 2088900700008 ENDBIB 6 0 2088900700009 NOCOMMON 0 0 2088900700010 DATA 2 1 2088900700011 DATA DATA-ERR 2088900700012 MB MB 2088900700013 6.6000E+01 3.0000E+00 2088900700014 ENDDATA 3 0 2088900700015 ENDSUBENT 14 0 2088900799999 SUBENT 20889008 19840227 00002088900800001 BIB 4 5 2088900800002 REACTION (12-MG-26(N,A)10-NE-23,,SIG) 2088900800003 SAMPLE .180.5 MG/CM-SQ NATURAL SAMPLE. 2088900800004 DECAY-DATA (10-NE-23,38.SEC,B-,2400.,0.01,B-,3950.,0.32, 2088900800005 B-,4390.,0.67) FROM NUCLEAR DATA SHEETS. 2088900800006 STATUS .TABLE 2. 2088900800007 ENDBIB 5 0 2088900800008 NOCOMMON 0 0 2088900800009 DATA 2 1 2088900800010 DATA DATA-ERR 2088900800011 MB MB 2088900800012 8.0000E+01 3.0000E+00 2088900800013 ENDDATA 3 0 2088900800014 ENDSUBENT 13 0 2088900899999 SUBENT 20889009 19840227 00002088900900001 BIB 4 5 2088900900002 REACTION (14-SI-28(N,P)13-AL-28,,SIG) 2088900900003 SAMPLE .161.1 MG/CM-SQ NATURAL SAMPLE. 2088900900004 DECAY-DATA (13-AL-28,2.3MIN,B-,2868.,1.0) FROM NUCLEAR DATA 2088900900005 SHEETS. 2088900900006 STATUS .TABLE 2. 2088900900007 ENDBIB 5 0 2088900900008 NOCOMMON 0 0 2088900900009 DATA 2 1 2088900900010 DATA DATA-ERR 2088900900011 MB MB 2088900900012 2.2200E+02 1.2000E+01 2088900900013 ENDDATA 3 0 2088900900014 ENDSUBENT 13 0 2088900999999 SUBENT 20889010 19840227 00002088901000001 BIB 4 5 2088901000002 REACTION (14-SI-29(N,P)13-AL-29,,SIG) 2088901000003 SAMPLE .61.1 MG/CM-SQ NATURAL SAMPLE. 2088901000004 DECAY-DATA (13-AL-29,6.6MIN,B-,1330.,0.062,B-,2500.,0.938) 2088901000005 FROM NUCLEAR DATA SHEETS. 2088901000006 STATUS .TABLE 2. 2088901000007 ENDBIB 5 0 2088901000008 NOCOMMON 0 0 2088901000009 DATA 2 1 2088901000010 DATA DATA-ERR 2088901000011 MB MB 2088901000012 2.2700E+01 1.0000E+00 2088901000013 ENDDATA 3 0 2088901000014 ENDSUBENT 13 0 2088901099999 SUBENT 20889011 19840227 00002088901100001 BIB 4 5 2088901100002 REACTION (14-SI-30(N,A)12-MG-27,,SIG) 2088901100003 SAMPLE .61.1 MG/CM-SQ NATURAL SAMPLE. 2088901100004 DECAY-DATA (12-MG-27,9.5MIN,B-,1590.,0.42,B-,1750.,0.58) 2088901100005 FROM NUCLEAR DATA SHEETS. 2088901100006 STATUS .TABLE 2. 2088901100007 ENDBIB 5 0 2088901100008 NOCOMMON 0 0 2088901100009 DATA 2 1 2088901100010 DATA DATA-ERR 2088901100011 MB MB 2088901100012 1.7500E+02 1.8000E+01 2088901100013 ENDDATA 3 0 2088901100014 ENDSUBENT 13 0 2088901199999 SUBENT 20889012 19840227 00002088901200001 BIB 4 5 2088901200002 REACTION (15-P-31(N,P)14-SI-31,,SIG) 2088901200003 SAMPLE .107 MG/CM-SQ NATURAL SAMPLE. 2088901200004 DECAY-DATA (14-SI-31,157.8MIN,B-,1477.,1.0) FROM NUCLEAR DATA 2088901200005 SHEETS. 2088901200006 STATUS .TABLE 2. 2088901200007 ENDBIB 5 0 2088901200008 NOCOMMON 0 0 2088901200009 DATA 2 1 2088901200010 DATA DATA-ERR 2088901200011 MB MB 2088901200012 6.4000E+01 2.0000E+00 2088901200013 ENDDATA 3 0 2088901200014 ENDSUBENT 13 0 2088901299999 SUBENT 20889013 19840227 00002088901300001 BIB 4 8 2088901300002 REACTION ((15-P-31(N,2N)15-P-30,,SIG)+ 2088901300003 (15-P-31(N,A)13-AL-28,,SIG)) 2088901300004 SAMPLE .162 MG/CM-SQ NATURAL SAMPLE. 2088901300005 DECAY-DATA (15-P-30,2.6MIN,B+,1000.,0.005,B+,3230.,0.995) 2088901300006 FROM NUCLEAR DATA SHEETS. 2088901300007 (13-AL-28,2.3MIN,B-,2868.,1.0) FROM NUCLEAR DATA 2088901300008 SHEETS. 2088901300009 STATUS .TABLE 2. 2088901300010 ENDBIB 8 0 2088901300011 NOCOMMON 0 0 2088901300012 DATA 4 1 2088901300013 HL1 HL2 DATA DATA-ERR 2088901300014 MIN MIN MB MB 2088901300015 2.6000E+00 2.3000E+00 1.0500E+02 2.1000E+00 2088901300016 ENDDATA 3 0 2088901300017 ENDSUBENT 16 0 2088901399999 SUBENT 20889014 19840830 00002088901400001 BIB 7 19 2088901400002 REACTION (15-P-31(N,2N)15-P-30,,SIG) 2088901400003 SAMPLE .162 MG/CM-SQ NATURAL SAMPLE. 2088901400004 ANALYSIS .THIS CROSS SECTION WAS NOT MEASURED INDEPENDENTLY 2088901400005 BUT SUMMED WITH THE (N,A) CROSS SECTION FOR THE 2088901400006 SAME NUCLEUS AS THE HALF-LIVES OF THE RESIDUALS 2088901400007 ARE ALMOST THE SAME. THE SUM WAS MEASURED AS 2088901400008 105+-2.0 MB. THE CROSS SECTIONS WERE SEPARATED 2088901400009 USING THE RATIO SIG(N,2N)/SIG(N,A)=0.087+-0.006 2088901400010 DECAY-DATA (15-P-30,2.6MIN,B+,1000.,0.005,B+,3230.,0.995) 2088901400011 FROM NUCLEAR DATA SHEETS. 2088901400012 ASSUMED (ASSUM,(15-P-31(N,2N)15-P-30,,SIG)/ 2088901400013 (15-P-31(N,A)13-AL-28,,SIG)) 2088901400014 DUE TO GRIMELAND AND OPSHAL-ANDERSEN (J,NP,51(1964), 2088901400015 302). 2088901400016 STATUS .TABLE 2. 2088901400017 HISTORY (790412C) 2088901400018 (790528E) 2088901400019 (800816A) REACTION REDEFINED. 2088901400020 (801015E) 2088901400021 ENDBIB 19 0 2088901400022 NOCOMMON 0 0 2088901400023 DATA 4 1 2088901400024 DATA DATA-ERR ASSUM ASSUM-ERR 2088901400025 MB MB NO-DIM NO-DIM 2088901400026 8.4000E+00 3.0000E-01 8.7000E-02 6.0000E-03 2088901400027 ENDDATA 3 0 2088901400028 ENDSUBENT 27 0 2088901499999 SUBENT 20889015 19860120 00002088901500001 BIB 5 17 2088901500002 REACTION (15-P-31(N,A)13-AL-28,,SIG) 2088901500003 SAMPLE .162 MG/CM-SQ NATURAL SAMPLE. 2088901500004 DECAY-DATA (13-AL-28,2.3MIN,B-,2868.,1.0) FROM NUCLEAR DATA 2088901500005 SHEETS. 2088901500006 STATUS (DEP,20889013) TABLE 2. 2088901500007 .THIS CROSS SECTION WAS NOT MEASURED INDEPENDENTLY 2088901500008 BUT SUMMED WITH THE (N,2N) CROSS SECTION FOR THE 2088901500009 SAME NUCLEUS AS THE HALF-LIVES OF THE RESIDUALS 2088901500010 ARE ALMOST THE SAME. THE SUM WAS MEASURED AS 2088901500011 105+-2.0 MB. THE CROSS SECTIONS WERE SEPARATED 2088901500012 USING THE RATIO SIG(N,2N)/SIG(N,A)=0.087+-0.006 2088901500013 DUE TO GRIMELAND AND OPSHAL-ANDERSEN (J,NP,51(1964), 2088901500014 302) 2088901500015 HISTORY (790412C) 2088901500016 (790528E) 2088901500017 (860120U) 2088901500018 (860210E) 2088901500019 ENDBIB 17 0 2088901500020 NOCOMMON 0 0 2088901500021 DATA 2 1 2088901500022 DATA DATA-ERR 2088901500023 MB MB 2088901500024 9.6800E+01 3.5000E+00 2088901500025 ENDDATA 3 0 2088901500026 ENDSUBENT 25 0 2088901599999 SUBENT 20889016 19840227 00002088901600001 BIB 4 5 2088901600002 REACTION (16-S-34(N,A)14-SI-31,,SIG) 2088901600003 SAMPLE .157 MG/CM-SQ NATURAL SAMPLE. 2088901600004 DECAY-DATA (14-SI-31,157.8MIN,B-,1477.,1.0) FROM NUCLEAR DATA 2088901600005 SHEETS. 2088901600006 STATUS .TABLE 2. 2088901600007 ENDBIB 5 0 2088901600008 NOCOMMON 0 0 2088901600009 DATA 2 1 2088901600010 DATA DATA-ERR 2088901600011 MB MB 2088901600012 1.6300E+02 1.2000E+01 2088901600013 ENDDATA 3 0 2088901600014 ENDSUBENT 13 0 2088901699999 SUBENT 20889017 19840227 00002088901700001 BIB 4 4 2088901700002 REACTION (16-S-32(N,P)15-P-32,,SIG) 2088901700003 SAMPLE .200.3 MG/CM-SQ NATURAL SAMPLE. 2088901700004 DECAY-DATA (15-P-32,14.5D,B-,1708.,1.0) FROM NUCLEAR DATA SHEETS. 2088901700005 STATUS .TABLE 2. 2088901700006 ENDBIB 4 0 2088901700007 NOCOMMON 0 0 2088901700008 DATA 2 1 2088901700009 DATA DATA-ERR 2088901700010 MB MB 2088901700011 2.1500E+02 6.0000E+00 2088901700012 ENDDATA 3 0 2088901700013 ENDSUBENT 12 0 2088901799999 SUBENT 20889018 19840227 00002088901800001 BIB 4 5 2088901800002 REACTION (17-CL-35(N,2N)17-CL-34-M,,SIG) 2088901800003 SAMPLE .164.5 MG/CM-SQ NATURAL SAMPLE. 2088901800004 DECAY-DATA (17-CL-34-M,32.4MIN,B+,1240.,0.325,B+,2410.,0.351, 2088901800005 B+,4400.,0.308) FROM NUCLEAR DATA SHEETS. 2088901800006 STATUS .TABLE 2. 2088901800007 ENDBIB 5 0 2088901800008 NOCOMMON 0 0 2088901800009 DATA 2 1 2088901800010 DATA DATA-ERR 2088901800011 MB MB 2088901800012 7.0000E+00 2.0000E-01 2088901800013 ENDDATA 3 0 2088901800014 ENDSUBENT 13 0 2088901899999 SUBENT 20889019 19840227 00002088901900001 BIB 4 5 2088901900002 REACTION (17-CL-37(N,P)16-S-37,,SIG) 2088901900003 SAMPLE .162.7 MG/CM-SQ NATURAL SAMPLE. 2088901900004 DECAY-DATA (16-S-37,5.1MIN,B-,1600.,0.9,B-,4800.,0.1) 2088901900005 FROM NUCLEAR DATA SHEETS. 2088901900006 STATUS .TABLE 2. 2088901900007 ENDBIB 5 0 2088901900008 NOCOMMON 0 0 2088901900009 DATA 2 1 2088901900010 DATA DATA-ERR 2088901900011 MB MB 2088901900012 2.5500E+01 1.2000E+00 2088901900013 ENDDATA 3 0 2088901900014 ENDSUBENT 13 0 2088901999999 SUBENT 20889020 19840227 00002088902000001 BIB 4 5 2088902000002 REACTION (19-K-39(N,2N)19-K-38-G,,SIG) 2088902000003 SAMPLE .146 MG/CM-SQ NATURAL SAMPLE. 2088902000004 DECAY-DATA (19-K-38-G,7.7MIN,B+,2680.,0.99) FROM NUCLEAR DATA 2088902000005 SHEETS. 2088902000006 STATUS .TABLE 2. 2088902000007 ENDBIB 5 0 2088902000008 NOCOMMON 0 0 2088902000009 DATA 2 1 2088902000010 DATA DATA-ERR 2088902000011 MB MB 2088902000012 3.2400E+00 1.0000E-01 2088902000013 ENDDATA 3 0 2088902000014 ENDSUBENT 13 0 2088902099999 SUBENT 20889021 19840227 00002088902100001 BIB 4 5 2088902100002 REACTION (19-K-41(N,P)18-AR-41,,SIG) 2088902100003 SAMPLE .146 MG/CM-SQ NATURAL SAMPLE. 2088902100004 DECAY-DATA (18-AR-41,110.MIN,B-,1200.,0.991,B-,2490.,0.009) 2088902100005 FROM NUCLEAR DATA SHEETS. 2088902100006 STATUS .TABLE 2. 2088902100007 ENDBIB 5 0 2088902100008 NOCOMMON 0 0 2088902100009 DATA 2 1 2088902100010 DATA DATA-ERR 2088902100011 MB MB 2088902100012 3.0500E+01 2.5000E+00 2088902100013 ENDDATA 3 0 2088902100014 ENDSUBENT 13 0 2088902199999 SUBENT 20889022 19840227 00002088902200001 BIB 4 5 2088902200002 REACTION (19-K-41(N,A)17-CL-38,,SIG) 2088902200003 SAMPLE .146 MG/CM-SQ NATURAL SAMPLE. 2088902200004 DECAY-DATA (17-CL-38,38.MIN,B-,1110.,0.31,B-,2770.,0.16, 2088902200005 B-,4810.,0.53) FROM NUCLEAR DATA SHEETS. 2088902200006 STATUS .TABLE 2. 2088902200007 ENDBIB 5 0 2088902200008 NOCOMMON 0 0 2088902200009 DATA 2 1 2088902200010 DATA DATA-ERR 2088902200011 MB MB 2088902200012 3.1500E+01 1.5000E+00 2088902200013 ENDDATA 3 0 2088902200014 ENDSUBENT 13 0 2088902299999 SUBENT 20889023 19840227 00002088902300001 BIB 4 5 2088902300002 REACTION (29-CU-63(N,2N)29-CU-62,,SIG) 2088902300003 SAMPLE .NO INFORMATION GIVEN. 2088902300004 STATUS .DATA TAKEN FROM TEXT IN MAIN REFERENCE 2088902300005 HISTORY (830411C) 2088902300006 (830429E) 2088902300007 ENDBIB 5 0 2088902300008 NOCOMMON 0 0 2088902300009 DATA 2 1 2088902300010 DATA DATA-ERR 2088902300011 MB MB 2088902300012 5.1100E+02 1.5000E+01 2088902300013 ENDDATA 3 0 2088902300014 ENDSUBENT 13 0 2088902399999 ENDENTRY 23 0 2088999999999