ENTRY 21548 19810205 00002154800000001 SUBENT 21548001 19810205 00002154800100001 BIB 14 52 2154800100002 INSTITUTE (2FR BRC) EXPERIMENTAL SITE, S.JOLY. 2154800100003 (1USALAS) D.M.DRAKE, 2154800100004 (2SWDTLU) L.NILSSON. 2154800100005 REFERENCE (J,PR/C,20,(6),2072,7912) 2154800100006 (J,NIM,153,493,78) EXPERIMENTAL METHOD. 2154800100007 AUTHOR (S.JOLY,D.M.DRAKE,L.NILSSON) 2154800100008 TITLE -GAMMA-RAY STRENGTH FUNCTIONS FOR RH-104,TM-170, 2154800100009 AND AU-198.- 2154800100010 FACILITY (VDG,2FR BRC) 4 MEV VAN DE GRAAFF, 10 NSEC PULSE 2154800100011 WIDTH, 1 MHZ REPETITION RATE. THE PULSES WERE 2154800100012 COMPRESSED TO A WIDTH OF ABOUT 1 NS BY A MOBLEY- 2154800100013 TYPE BUNCHING SYSTEM. THE AVERAGE CURRENT ON THE 2154800100014 COOLED TARGETS WAS ABOUT 4 MICRO-AMPERE. 2154800100015 INC-SOURCE (P-LI7) FOR THE 500 KEV NEUTRON PRODUCTION OR, 2154800100016 (P-T ) AT HIGHER ENERGIES. METALLIC LI OR T 2154800100017 ABSORBED IN TI ON TA OR AU BACKINGS. THE NEUTRON 2154800100018 ENERGY SPREAD AMOUNTED TO 60-80 KEV, DEPENDING ON 2154800100019 THE ENERGY. 2154800100020 SAMPLE .60 MM DIAM, 1.5 MM THICK (RH+AU) OR 3 MM THICK (TM), 2154800100021 AT 73 MM FROM TARGET. 2154800100022 METHOD (TOF ) CAPTURE GAMMA-RAY SPECTRA RECORDED AS A 2154800100023 FUNCTION OF THE TIME OF FLIGHT. SPECTRA ARE 2154800100024 RECORDED IN ANTI-COMPTON AND SINGLE ESCAPE MODE 2154800100025 SIMULTANEOUSLY. 2154800100026 DETECTOR (COIN,NAICR,NAICR) 76 MM DIAM * 152 MM LONG NA-I-(TL) 2154800100027 CRYSTAL (10 PERC RESOLUTION FOR THE 662 KEV CS-137 2154800100028 GAMMA LINE) CENTERED IN AN ANNULAR NA-I-(TL)-CRYSTAL, 2154800100029 304 MM LONG, OUTER DIAM 279 MM, INNER DIAM 89 MM, 2154800100030 (30 PERC RESOLUTION FOR 511 KEV GAMMA-LINE FROM 2154800100031 NA-22).THESE DETECTORS ARE USED IN ANTI-COMPTON-MODE 2154800100032 AND IN SINGLE-ESCAPE-MODE SIMULTANEOUSLY. 2154800100033 (SCIN ) PLASTIC TOF SCINTILLATOR FOR NEUTRON FLUX 2154800100034 DETERMINATION. 2154800100035 (LONGC) CALIBRATED LONG COUNTER FOR NEUTRON FLUX 2154800100036 DETERMINATION. 2154800100037 CORRECTION .TIME-OF-FLIGHT INDEPENDENT GAMMA RAYS. 2154800100038 .BACKGROUND. 2154800100039 .TOF SLEWING FOR THE LOWER PULSE HEIGHTS. 2154800100040 .ANISOTROPY OF THE NEUTRON FLUX. 2154800100041 .TRANSMISSION OF NEUTRONS TRHOUGH THE SAMPLE AND THE 2154800100042 AIR BETWEEN THE SAMPLE AND THE FLUX MONITOR. 2154800100043 .MULTIPLE SCATTERING AND NEUTRON FLUX ATTENUATION IN 2154800100044 THE SAMPLE. 2154800100045 .GAMMA-EFFICIENCY. 2154800100046 .GAMMA-ABSORPTION. 2154800100047 ERR-ANALYS .STATISTICAL AND GAMMA-RAY EFFICIENCY CONTRIBUTIONS 2154800100048 ARE COMPOUNDED INTO A TOTAL ERROR BAR. 2154800100049 COMMENT .STRENGTH FUNCTIONS COMPARED WITH THE RESULTS OF 2154800100050 OTHER EXPERIMENTS. 2154800100051 STATUS .TEXT, PR/C,20,6,2076. 2154800100052 HISTORY (800520C) G.C. 2154800100053 (800603E) 2154800100054 ENDBIB 52 0 2154800100055 NOCOMMON 0 0 2154800100056 ENDSUBENT 55 0 2154800199999 SUBENT 21548002 19800603 00002154800200001 BIB 4 7 2154800200002 REACTION (45-RH-103(N,G),,WID,,AV,CALC) 2154800200003 CALCULATED FROM STRENGTH FUNCTION. 2154800200004 COMMENT .CALCULATION DONE WITH FORMULAS 4 AND 5 OF REF., 2154800200005 USING THE GIANT DIPOLE RESONANCE PARAMETERS OF 2154800200006 TABLE 3 OF REF. ASSUMING NUCLEAR TEMPERATURE GIVEN 2154800200007 STATUS .TABLE 4, PR/C,20,6,2072. 2154800200008 HISTORY (800521C) G.C. 2154800200009 ENDBIB 7 0 2154800200010 NOCOMMON 0 0 2154800200011 DATA 3 2 2154800200012 KT DATA DATA-ERR 2154800200013 KEV EV EV 2154800200014 752. 1.8400E+02 1.4000E+01 2154800200015 844. 3.0000E+02 2.0000E+01 2154800200016 ENDDATA 4 0 2154800200017 ENDSUBENT 16 0 2154800299999 SUBENT 21548003 19800603 00002154800300001 BIB 4 8 2154800300002 REACTION (69-TM-169(N,G),,WID,,AV,CALC) 2154800300003 CALCULATED FROM STRENGTH FUNCTION. 2154800300004 COMMENT .CALCULATION DONE WITH FORMULAS 4 AND 5 OF REF., 2154800300005 USING THE GIANT DIPOLE RESONANCE PARAMETERS OF 2154800300006 TABLE 3 OF REF. ASSUMING NUCLEAR TEMPERATURE GIVEN 2154800300007 STATUS .TABLE 4, PR/C,20,6,2072. 2154800300008 HISTORY (800521C) G.C. 2154800300009 (800603E) 2154800300010 ENDBIB 8 0 2154800300011 NOCOMMON 0 0 2154800300012 DATA 3 2 2154800300013 KT DATA DATA-ERR 2154800300014 KEV EV EV 2154800300015 590. 6.8000E+01 5.0000E+00 2154800300016 625. 8.6000E+01 6.0000E+00 2154800300017 ENDDATA 4 0 2154800300018 ENDSUBENT 17 0 2154800399999 SUBENT 21548004 19800603 00002154800400001 BIB 4 8 2154800400002 REACTION (79-AU-197(N,G),,WID,,AV,CALC) 2154800400003 CALCULATED FROM THE STRENGTH FUNCTION. 2154800400004 COMMENT .CALCULATION DONE WITH FORMULAS 4 AND 5 OF REF., 2154800400005 USING THE GIANT DIPOLE RESONANCE PARAMETERS OF 2154800400006 TABLE 3 OF REF. ASSUMING NUCLEAR TEMPERATURE GIVEN 2154800400007 STATUS .TABLE 4, PR/C,20,6,2072. 2154800400008 HISTORY (800521C) G.C. 2154800400009 (800603E) 2154800400010 ENDBIB 8 0 2154800400011 NOCOMMON 0 0 2154800400012 DATA 3 2 2154800400013 KT DATA DATA-ERR 2154800400014 KEV EV EV 2154800400015 707. 1.2700E+02 1.3000E+01 2154800400016 735. 1.5300E+02 1.6000E+01 2154800400017 ENDDATA 4 0 2154800400018 ENDSUBENT 17 0 2154800499999 ENDENTRY 4 0 2154899999999