/*===================================================================*/ /* NRDF D1910 Data No.1 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,1; D#=D1910; TITLE=/ Angular-momentum effect in the fusion reaction of 141Pr with 40Ar projectiles /; PURPOSE=/ To attempt direct measurements of the cross sections for both particle evaporation and fission in the reaction of 141Pr with 40Ar ions by a radiochemical method to elucidate the relation of the critical angular momenta with the measured cross sections /; ATH=(H.KUSAWAKE'1', T.SAITO'1', A.YOKOYAMA'1', K.TAKESAKO'1', N.TAKAHASHI'1', H.BABA'1', Y.OHKUBO'2', A.SHINOHARA'3'); INST-ATH=(2JPNOSA'1', 2JPNIPC'2', 2JPNNAG'3'); /* '1' Department of Chemistry and Laboratory of Nuclear Studies, Faculty of Science */ /* '3' Department of Chemistry, Faculty of Science */ REF=RCA; VLP=69(1995)65; RCTS=141PR(40AR,X)X; PHQS=(XSECTN'4', XSECTN'5'); /* '4' Cummulative yield */ /* '5' Independent yield */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,1; /* 2005-09-14 : Compiled, Kc + On */ /* Related references - U.Reus et al., AND, 29(1983)1. Reference from which data were used (Energies and half-lives for assignments of gamma-ray peaks) /* Additional results shown but not compiled - Mass distribution (Distribution of cummulative yields of the products in each foil) CHM=ELM; PHYS-FORM=SLD'6'; /* '6' Metal foils */ THK-TGT=(3MG/CM**2,6MG/CM**2); BAC=AL'7'; /* '7' Target was sandwiched by Al catcher foils. In some runs, Al foils were replaced by graphite foils with nearly the same stopping power. */ THK-BAC=XMG/CM**2'8'; /* '8' Between 3-micrometer and 50 micro-meter */ POL-TGT=0%; ALGN-TGT=0%; ACC=CYC; INST-ACC=2JPNIPC'9'; /* '9' RIKEN ring cyclotron (RRC) facility */ POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=error'10'; /* '10' Relative efficiencies of 10-15 % and resolution of around 2 keV at 1.33 MeV */ /* Experimental Method: - Activation (Irradiated typically 20 min for short-lived products and 2 hour for long-lived products) - Energy degradation by foils (Energy degration of 40Ar ions in target stack was calculated using the OSCAR code [K. Hata and H. Baba, INDC(NDS)-195-GZ, p131 (1988)].) - Gamma ray spectrometry (Assignments of gamma-ray peaks were made according to their energies and half-lives.) /* Analysis: - Decay curve analysis (Decay-growth analysis of observed photopeak intensities for cross section calculation) RCT=141PR(40AR,X)X; PHQ=XSECTN'11'; /* '11' Cummulative yield */ INC-ENGY-LAB=6.6MEV/A; CHRG-INC-ION=17+; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,1; INC-ENGY-LAB=6.6MEV/A; TOT-ERR=X%'12'; /* '12' Mainly due to statistical errors in counting gamma-ray emission and expected errors in the photoemission probability /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; Z A ISOMER XSECTN DELTA-XSECTN HALF-LIFE (NODIM) (NODIM) (NODIM) (MB) (MB) (SEC) 29 67 X 1.1 +-0.3 222912 30 69 1 3.7 +-0.4 49536 31 67 X 15.8 +-5.0 281664 31 72 X 2.2 +-0.7 50760 33 71 X 3.2 +-0.3 233280 34 72 X 5.3 +-1.6 725760 34 73 0 4.2 +-1.7 25740 34 75 X 13.9 +-0.8 10350720 35 74 1 0.4 +-0.1 2490 35 75 X 0.6 +-0.2 5832 35 76 0 2.7 +-1.3 58320 35 77 0 14.7 +-2.5 205632 36 77 X 0.5 +-0.4 4464 36 79 0 10.7 +-3.1 126144 37 81 0 9.9 +-0.9 16488 37 83 X 29.0 +-1.6 7447680 37 84 0 18.8 +-0.9 2839968 38 81 X 4.9 +-3.0 1332 38 83 0 14.8 +-2.0 116640 39 87 0 27.6 +-0.9 289440 39 87 1 19.3 +-0.8 46440 40 86 X 1.4 +-0.6 59400 40 88 X 13.0 +-0.7 7205760 40 89 0 20.0 +-0.8 282528 41 90 0 9.7 +-0.5 52560 41 95 0 3.9 +-0.4 3022272 43 93 0 3.6 +-0.9 9900 43 93 1 0.7 +-0.2 2610 43 94 1 0.3 +-0.1 3120 43 95 0 8.4 +-0.6 72000 44 97 X 7.1 +-0.4 250560 44 103 X 2.8 +-0.6 3391200 45 101 1 10.6 +-0.5 374976 46 99 X 1.8 +-0.3 1284 46 100 X 1.0 +-0.8 313632 47 102 0 0.3 +-0.2 774 47 104 0 2.3 +-0.2 4152 47 105 0 9.1 +-0.8 3567456 49 109 0 10.3 +-0.7 15120 49 111 0 10.4 +-0.4 244512 50 110 X 0.8 +-0.2 14400 51 115 X 6.5 +-0.4 1926 51 117 X 7.6 +-0.7 10080 52 116 X 1.1 +-0.4 8964 52 117 X 5.5 +-0.5 3708 52 119 0 4.2 +-0.5 57780 52 121 0 8.8 +-0.6 1451520 53 119 X 3.0 +-0.4 1146 53 121 X 5.8 +-0.4 7632 53 123 X 8.4 +-0.5 47520 54 120 X 0.5 +-0.2 2400 54 123 X 7.0 +-0.7 7488 54 125 0 11.9 +-0.6 60840 54 127 0 10.5 +-0.8 3145824 55 123 0 2.2 +-1.7 358.2 55 125 X 5.0 +-0.9 2700 55 127 X 11.0 +-0.8 22500 55 129 X 15.0 +-2.6 115560 56 126 X 1.0 +-0.2 6012 56 127 0 1.4 +-0.6 762 56 128 X 13.6 +-1.3 209952 56 131 0 14.8 +-1.1 1019520 57 129 X 4.8 +-0.9 696 57 131 X 10.7 +-0.7 3540 58 130 X 1.2 +-0.3 1500 58 131 0 1.9 +-0.4 600 58 132 X 5.9 +-0.6 12636 58 133 1 0.3 +-0.1 5832 58 135 0 17.4 +-1.8 63360 58 139 0 70.9 +-2.8 11897280 58 141 X 2.8 +-0.7 2808000 59 137 X 16.8 +-4.9 4608 60 136 X 3.6 +-0.4 3042 60 137 0 5.2 +-0.8 2310 61 141 X 12.7 +-2.9 1254 61 143 X 29.1 +-4.0 22896000 61 144 X 14.1 +-1.2 31363200 62 141 1 5.0 +-1.2 1356 63 145 X 7.2 +-0.6 513216 63 146 X 6.9 +-0.4 398304 63 147 X 3.4 +-0.4 2073600 64 145 0 0.8 +-0.2 1380 64 146 X 2.9 +-0.3 4173120 64 147 X 4.3 +-0.3 137160 64 149 X 6.0 +-0.6 812160 65 149 0 0.4 +-0.4 14940 65 151 0 1.5 +-0.5 63360 65 152 0 2.0 +-0.5 63000 65 153 X 1.7 +-0.3 202176 65 155 X 2.0 +-0.5 459648 66 152 X 2.0 +-0.2 8568 67 156 X 0.8 +-0.2 3336 68 158 X 2.0 +-0.3 8100 68 161 X 1.9 +-0.3 11664 69 165 X 13.7 +-1.3 108216 69 167 X 17.9 +-0.8 798336 70 162 X 3.9 +-0.5 1134 70 166 X 15.5 +-2.1 203904 70 169 0 25.5 +-1.6 2766528 71 167 X 19.0 +-1.3 3090 71 169 0 22.5 +-1.6 122616 71 170 X 15.7 +-2.9 172800 71 171 0 26.0 +-1.5 710208 72 166 X 11.6 +-1.1 406.2 72 168 X 28.8 +-2.1 1554 72 170 X 23.2 +-2.4 57600 72 171 X 20.9 +-2.4 43560 72 173 X 2.9 +-0.5 86040 73 172 X 13.3 +-0.9 2208 73 173 X 1.3 +-0.7 13140 \END; /*===================================================================*/ |