/*===================================================================*/ /* NRDF D1910 Data No.5 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,5; 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,5; /* 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'19'; /* '19' Cummulative yield */ INC-ENGY-LAB=24.8MEV/A; CHRG-INC-ION=18+; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,5; INC-ENGY-LAB=24.8MEV/A; TOT-ERR=X%'20'; /* '20' 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) 31 67 X 7.2 +-0.3 281664 32 69 X 3.9 +-0.6 140580 33 71 X 4.2 +-0.1 233280 34 72 X 1.6 +-0.4 725760 34 73 0 3.4 +-0.4 25740 34 75 X 8.4 +-0.4 10350720 35 75 X 6.2 +-0.7 5832 35 76 0 2.9 +-0.4 58320 35 77 0 4.1 +-0.4 205632 35 82 0 0.8 +-0.1 127080 36 77 X 8.8 +-2.5 4464 36 79 0 7.2 +-1.0 126144 37 83 X 11.1 +-0.4 7447680 37 84 0 2.2 +-0.1 2839968 38 82 X 3.5 +-0.2 2207520 38 83 0 6.4 +-0.5 116640 39 85 1 6.1 +-0.4 17496 39 87 0 11.8 +-0.7 289440 39 87 1 10.9 +-0.4 46440 40 86 X 1.6 +-0.4 59400 40 87 0 2.1 +-0.6 6228 40 88 X 9.5 +-0.6 7205760 40 89 0 10.5 +-0.4 282528 41 89 1 3.3 +-0.3 3960 41 90 0 6.3 +-0.4 52560 41 91 1 1.8 +-0.5 5356800 41 95 0 8.9 +-0.3 3022272 42 90 X 1.3 +-0.2 20412 43 93 0 3.6 +-0.2 9900 43 93 1 1.8 +-0.9 2610 43 94 1 0.9 +-0.2 3120 44 94 X 1.4 +-0.4 3108 44 95 X 2.8 +-0.3 5940 44 97 X 9.0 +-0.4 250560 45 98 0 1.9 +-0.2 543 45 99 1 9.0 +-0.4 16200 45 101 0 5.3 +-0.5 100915.2 45 101 1 12.4 +-0.6 374976 46 99 X 6.0 +-0.9 1284 46 100 X 6.1 +-0.8 313632 46 101 X 9.1 +-0.9 30492 47 102 0 5.6 +-0.7 774 47 103 0 8.6 +-2.2 3942 47 105 0 14.4 +-0.6 3567456 48 104 X 6.5 +-2.5 3462 48 105 X 11.2 +-5.3 3330 48 107 X 13.3 +-3.5 23400 49 107 0 6.5 +-1.0 1944 49 109 0 18.5 +-3.0 15120 49 111 0 20.7 +-0.8 244512 50 108 X 6.4 +-2.3 618 50 109 X 9.9 +-1.1 1080 50 110 X 15.3 +-0.7 14400 50 113 0 27.1 +-3.0 9944640 51 113 X 6.7 +-2.5 400.2 51 115 X 27.5 +-1.2 1926 51 117 X 41.8 +-2.4 10080 51 122 0 0.3 +-0.1 233280 52 114 X 9.3 +-1.0 912 52 116 X 21.5 +-1.0 8964 52 117 X 29.0 +-1.6 3708 52 118 X 22.1 +-2.6 518400 52 119 0 28.8 +-1.5 57780 52 121 0 30.5 +-1.3 1451520 53 118 0 16.2 +-0.7 822 53 119 X 31.8 +-1.3 1146 53 121 X 38.6 +-2.2 7632 53 123 X 43.7 +-1.9 47520 54 120 X 23.6 +-2.2 2400 54 121 X 17.2 +-3.1 2406 54 122 X 28.1 +-1.4 72360 54 123 X 39.7 +-5.1 7488 54 125 0 40.5 +-2.7 60840 54 127 0 33.9 +-1.5 3145824 55 125 X 55.2 +-4.4 2700 55 127 X 46.9 +-2.1 22500 55 129 X 59.1 +-2.8 115560 56 124 X 16.2 +-2.8 714 56 126 X 27.5 +-1.3 6012 56 128 X 43.1 +-1.9 209952 56 129 0 30.4 +-7.8 7920 56 131 0 49.1 +-2.2 1019520 56 133 0 51.9 +-5.3 332389.44 57 129 X 46.2 +-5.8 696 57 131 X 49.8 +-6.9 3540 57 133 X 47.1 +-7.3 14076 58 130 X 22.7 +-2.1 1500 58 132 X 42.6 +-7.7 12636 58 134 X 52.0 +-5.0 273024 58 135 0 56.6 +-4.2 63360 58 137 0 50.2 +-8.5 32400 58 139 0 114.4 +-5.7 11897280 59 137 X 84 +-12 4608 59 142 0 18.9 +-2.2 68868 60 134 X 2.2 +-0.2 510 60 135 0 43.2 +-5.5 744 60 136 X 27.2 +-1.5 3042 60 137 0 36.6 +-2.9 2310 60 138 X 45.9 +-5.7 18144 60 140 X 38.5 +-7.9 291168 60 147 X 1.8 +-0.2 948672 61 143 X 2.6 +-6.2 22896000 62 141 1 2.8 +-0.3 1356 63 145 X 0.3 +-0.1 513216 64 146 X 0.07 +-0.03 4173120 64 147 X 0.8 +-0.5 137160 64 149 X 0.7 +-0.2 812160 \END; /*===================================================================*/ |