ENTRY 20888 19790528 00002088800000001 SUBENT 20888001 19790528 00002088800100001 BIB 14 35 2088800100002 INSTITUTE (2ITYTUR) 2088800100003 REFERENCE (J,NP,51,337,6402) 2088800100004 AUTHOR (C.G.BONAZZOLA,P.BROVETTO,E.CHIAVASSA,R.SPINOGLIO, 2088800100005 A.PASQUARELLI) 2088800100006 TITLE -THE MEASUREMENT BY ACTIVATION OF CROSS SECTIONS 2088800100007 FOR 14.7 MEV NEUTRONS- 2088800100008 FACILITY (CCW ) 180 KV NEUTRON GENERATOR 2088800100009 INC-SOURCE (D-T ) SOLID TRITIDE TARGET PRODUCING NEUTRONS WITH 2088800100010 MEAN ENERGY 14.7 MEV AT THE TARGET POSITION. 2088800100011 BECAUSE OF POOR SOURCE-SAMPLE GEOMETRY THE 2088800100012 NEUTRONS HAVE AN ENERGY SPREAD BETWEEN 14.25 2088800100013 AND 14.97 MEV AT THE SOURCE WITH A DISTRIBUTION2088800100014 GIVEN IN THE REFERENCE. THE MEAN ENERGY SPREAD 2088800100015 IS GIVEN ROUGHLY AS 300 KEV. 2088800100016 METHOD (ACTIV) ACTIVATION 2088800100017 DETECTOR (GEMUC) END WINDOW GEIGER-MUELLER COUNTER USED TO 2088800100018 MEASURE BETA- ACTIVITY OF SAMPLES. 2088800100019 (SOLST) JUNCTION DETECTOR USED TO DETERMINE NEUTRON 2088800100020 FLUX BY MONITORING ASSOCIATED ALPHAS FROM 2088800100021 D-T REACTION. 2088800100022 MONITOR (1-H-3(D,N)2-HE-4,,DA) 2088800100023 PART-DET (B- ) DECAY BETAS 2088800100024 STATUS .DATA TABLE IN J,NP,51,337,6402. 2088800100025 HISTORY (790409C) 2088800100026 (790528E) 2088800100027 CORRECTION .CORRECTIONS MADE FOR BACKSCATTERING FROM SOURCE 2088800100028 SUPPORT, SELF-ABSORPTION AND SCATTERING IN SOURCE 2088800100029 MATERIAL, G.M. WINDOW ABSORPTION AND POOR GEOMETRY 2088800100030 EFFECTS. CORRECTION FOR THE EFFECTS OF X AND GAMMA- 2088800100031 RAY EMISSION IN THE DECAY CHAINS WAS INCLUDED WHERE 2088800100032 RELEVANT. 2088800100033 ERR-ANALYS .ERRORS INCLUDE STATISTICAL ERRORS AND SYSTEMATIC 2088800100034 ERRORS DUE MAINLY TO IMPERFECT KNOWLEDGE OF THE 2088800100035 GEOMETRY AND G.M. WINDOW THICKNESS. POSSIBLE ERRORS 2088800100036 IN THE PUBLISHED DECAY CHAINS ARE NOT INCLUDED. 2088800100037 ENDBIB 35 0 2088800100038 COMMON 2 3 2088800100039 EN EN-RSL 2088800100040 MEV MEV 2088800100041 1.4700E+01 3.0000E-01 2088800100042 ENDCOMMON 3 0 2088800100043 ENDSUBENT 42 0 2088800199999 SUBENT 20888002 19840830 00002088800200001 BIB 4 4 2088800200002 REACTION (13-AL-27(N,A)11-NA-24,,SIG) 2088800200003 SAMPLE .3.55 MG/CM-SQ AL EVAPORATED ONTO POLYTHENE SUPPORT. 2088800200004 HALF-LIFE (HL,11-NA-24) 15 HR, MEASURED, NO ERROR GIVEN. 2088800200005 STATUS .TABLE 2. 2088800200006 ENDBIB 4 0 2088800200007 NOCOMMON 0 0 2088800200008 DATA 3 1 2088800200009 HL DATA DATA-ERR 2088800200010 HR MB MB 2088800200011 1.5000E+01 1.1200E+02 4.0000E+00 2088800200012 ENDDATA 3 0 2088800200013 ENDSUBENT 12 0 2088800299999 SUBENT 20888003 19840830 00002088800300001 BIB 4 4 2088800300002 REACTION (13-AL-27(N,P)12-MG-27,,SIG) 2088800300003 SAMPLE .3.55 MG/CM-SQ AL EVAPORATED ONTO POLYTHENE SUPPORT. 2088800300004 HALF-LIFE (HL,12-MG-27) 9.5 MIN, MEASURED, NO ERROR GIVEN. 2088800300005 STATUS .TABLE 2. 2088800300006 ENDBIB 4 0 2088800300007 NOCOMMON 0 0 2088800300008 DATA 3 1 2088800300009 HL DATA DATA-ERR 2088800300010 MIN MB MB 2088800300011 9.5000E+00 6.6000E+01 2.0000E+00 2088800300012 ENDDATA 3 0 2088800300013 ENDSUBENT 12 0 2088800399999 SUBENT 20888004 19840830 00002088800400001 BIB 4 4 2088800400002 REACTION (26-FE-56(N,P)25-MN-56,,SIG) 2088800400003 SAMPLE .6.55 MG/CM-SQ FE EVAPORATED ONTO POLYTHENE SUPPORT. 2088800400004 HALF-LIFE (HL,25-MN-56) 2.58 HR, MEASURED, NO ERROR GIVEN. 2088800400005 STATUS .TABLE 2. 2088800400006 ENDBIB 4 0 2088800400007 NOCOMMON 0 0 2088800400008 DATA 3 1 2088800400009 HL DATA DATA-ERR 2088800400010 HR MB MB 2088800400011 2.5800E+00 1.0500E+02 5.0000E+00 2088800400012 ENDDATA 3 0 2088800400013 ENDSUBENT 12 0 2088800499999 SUBENT 20888005 19840830 00002088800500001 BIB 4 4 2088800500002 REACTION (29-CU-65(N,P)28-NI-65,,SIG) 2088800500003 SAMPLE .6.3 MG/CM-SQ CU EVAPORATED ONTO POLYTHENE SUPPORT. 2088800500004 HALF-LIFE (HL,28-NI-65) 2.61 HR, MEASURED, NO ERROR GIVEN. 2088800500005 STATUS .TABLE 2. 2088800500006 ENDBIB 4 0 2088800500007 NOCOMMON 0 0 2088800500008 DATA 3 1 2088800500009 HL DATA DATA-ERR 2088800500010 HR MB MB 2088800500011 2.6100E+00 2.6000E+01 3.0000E+00 2088800500012 ENDDATA 3 0 2088800500013 ENDSUBENT 12 0 2088800599999 SUBENT 20888006 19840830 00002088800600001 BIB 4 4 2088800600002 REACTION (29-CU-65(N,2N)29-CU-64,,SIG) 2088800600003 SAMPLE .6.3 MG/CM-SQ CU EVAPORATED ONTO POLYTHENE SUPPORT. 2088800600004 HALF-LIFE (HL,29-CU-64) 12.8 HR, MEASURED, NO ERROR GIVEN. 2088800600005 STATUS .TABLE 2. 2088800600006 ENDBIB 4 0 2088800600007 NOCOMMON 0 0 2088800600008 DATA 3 1 2088800600009 HL DATA DATA-ERR 2088800600010 HR MB MB 2088800600011 1.2800E+01 1.0000E+03 2.5000E+01 2088800600012 ENDDATA 3 0 2088800600013 ENDSUBENT 12 0 2088800699999 SUBENT 20888007 19860822 00002088800700001 BIB 5 10 2088800700002 REACTION (46-PD-110(N,2N)46-PD-109,,SIG) 2088800700003 SAMPLE .5.75 MG/CM-SQ PD EVAPORATED ONTO POLYTHENE SUPPORT. 2088800700004 HALF-LIFE (HL,46-PD-109-G) 13.6 HR, MEASURED, NO ERROR GIVEN. 2088800700005 .HALF-LIFE OF METASTABLE STATE (4.8 MIN)IS 2088800700006 REGARDED AS SMALL AGAINST HALF-LIFE OF GROUND STATE 2088800700007 STATUS .TABLE 2. 2088800700008 HISTORY (790409C) 2088800700009 (790528E) 2088800700010 (860808A)HH REACTION STRING AND COMMENT IN HALF-LIFE 2088800700011 (860822E) 2088800700012 ENDBIB 10 0 2088800700013 NOCOMMON 0 0 2088800700014 DATA 3 1 2088800700015 HL DATA DATA-ERR 2088800700016 HR MB MB 2088800700017 1.3600E+01 2.5700E+03 1.6000E+02 2088800700018 ENDDATA 3 0 2088800700019 ENDSUBENT 18 0 2088800799999 SUBENT 20888008 19840830 00002088800800001 BIB 4 4 2088800800002 REACTION (52-TE-128(N,2N)52-TE-127-G,,SIG) 2088800800003 SAMPLE .2.19 MG/CM-SQ TE EVAPORATED ONTO POLYTHENE SUPPORT. 2088800800004 HALF-LIFE (HL,52-TE-127-G) 9.5 HR, MEASURED, NO ERROR GIVEN. 2088800800005 STATUS .TABLE 2. 2088800800006 ENDBIB 4 0 2088800800007 NOCOMMON 0 0 2088800800008 DATA 3 1 2088800800009 HL DATA DATA-ERR 2088800800010 HR MB MB 2088800800011 9.5000E+00 6.4000E+02 2.3000E+01 2088800800012 ENDDATA 3 0 2088800800013 ENDSUBENT 12 0 2088800899999 SUBENT 20888009 19840830 00002088800900001 BIB 4 4 2088800900002 REACTION (52-TE-130(N,2N)52-TE-129-G,,SIG) 2088800900003 SAMPLE .2.19 MG/CM-SQ TE EVAPORATED ONTO POLYTHENE SUPPORT. 2088800900004 HALF-LIFE (HL,52-TE-129-G) 72 MIN, MEASURED, NO ERROR GIVEN. 2088800900005 STATUS .TABLE 2. 2088800900006 ENDBIB 4 0 2088800900007 NOCOMMON 0 0 2088800900008 DATA 3 1 2088800900009 HL DATA DATA-ERR 2088800900010 MIN MB MB 2088800900011 7.2000E+01 5.8000E+02 2.7000E+01 2088800900012 ENDDATA 3 0 2088800900013 ENDSUBENT 12 0 2088800999999 SUBENT 20888010 19840830 00002088801000001 BIB 4 4 2088801000002 REACTION (67-HO-165(N,2N)67-HO-164,,SIG) 2088801000003 SAMPLE .3.27 MG/CM-SQ HO EVAPORATED ONTO POLYTHENE SUPPORT. 2088801000004 HALF-LIFE (HL,67-HO-164-G) 46 MIN, MEASURED, NO ERROR GIVEN. 2088801000005 STATUS .TABLE 2. 2088801000006 ENDBIB 4 0 2088801000007 NOCOMMON 0 0 2088801000008 DATA 3 1 2088801000009 HL DATA DATA-ERR 2088801000010 MIN MB MB 2088801000011 4.6000E+01 2.7600E+03 5.5000E+01 2088801000012 ENDDATA 3 0 2088801000013 ENDSUBENT 12 0 2088801099999 ENDENTRY 10 0 2088899999999