/*===================================================================*/ /* NRDF D1829 Data No.45 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,45; D#=D1829; TITLE=/Measurement and calculation of radioactivities of spallation products by high-energy heavy ions/; ATH=(H.YASHIMA'1', Y.UWAMINO'2', H.IWASE'1', H.SUGITA'1', T.NAKAMURA'1', S.ITO'2', A.FUKUMURA'3'); INST-ATH=(2JPNTOH'1', 2JPNIPC'2', 2JPNIRS'3'); /* '1' Cyclotron and Radioisotope Center */ REF=RCA; VLP=91(2003)689; RCTS=(CU(40AR,X)X, CU(20NE,X)X, CU(12C,X)X, CU(ALPHA,X)X, CU(P,X)X, 27AL(40AR,X)X, 27AL(20NE,X)X, 27AL(12C,X)X, 27AL(ALPHA,X)X, 27AL(P,X)X, 12C(40AR,X)X, 12C(20NE,X)X, 12C(12C,X)X, 12C(ALPHA,X)X, 12C(P,X)X, CU(P,X)60CU, CU(P,X)58CO, CU(P,X)54MN, CU(P,X)48CR, CU(ALPHA,X)41AR, CU(ALPHA,X)39CL, CU(12C,X)41AR, CU(12C,X)39CL, CU(20NE,X)41AR, CU(20NE,X)39CL); PHQS=(XSECTN'4', XSECTN'5'); /* '4' Independent yield */ /* '5' Cummulative yield */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,45; /* 2004-04-08 : Compiled */ /* Additional result not compiled: - Spatial distribution of residual radioactivities in Cu target assembly ENR=NAT; CHM=ELM'6'; /* '6' Chemical purities are 99.9% / 99.4% / 99.8% for copper, aluminium and carbon target, respectively. */ PHYS-FORM=SLD; THK-TGT=XMG/CM**2'7'; /* '7' HxWxT (mm) = 90x100x0.1 / 90x100x0.1 / 50x50x0.2 for cupper, aluminium and carbon target, respectively. */ POL-TGT=0%; ALGN-TGT=0%; ACC=SYN; INST-ACC=2JPNIRS'8'; /* '8' HIMAC facility */ POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=(HPGE'9',IC'10'); /* '9' To measure gamma-ray spectra from samples */ /* '10' To monitor beam current during irradiation */ /* Experimental Method: - Activation - Beam current integrated - Stacked target irradiation (Samples put on the front of surface were used for measurements of the reaction cross section and the mass-yield distributions or produced nuclides, while samples inserted between the Cu plates were used for measurements of the spatial distribution of the residual activities of produced nuclides in copper and of the energy dependence of the cross section.) /* Comment to data: Decay data of 11C are not shown in reference, but obtained by private communication */ /* Related reference - S.J.Mills et al., ARI, 43(1992)1019 RCT=CU(P,X)60CU; PHQ=XSECTN'275'; /* '275' Cummulative yield */ DET-PARTCL=GAMMA'276'; /* '276' Delayed gamma from 60Cu */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,45; TOT-ERR=2[40%; SYS-ERR=(0.5[7.2%'277',1[6%'278'); /* '277' Error of peak efficiency */ /* '278' Error of beam intensity */ STATIST-ERR=1[40%'279'; /* '279' Error of total counts of gamma-ray peak area */ EMT=GAMMA'280'; ENGY-GAMMA=1791.6KEV'280'; /* '280' Delayed gamma from 60Cu. Intensity is 0.454. */ HALF-LIFE=23.7MIN'280'; RSD=60CU; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB XSECTN DELTA-XSECTN'281' (MEV) (MB) (MB) 48 28.602 +-1.373 63 21.722 +-1.045 76 18.000 +-0.864 88 14.389 +-0.673 98 12.000 +-0.562 100 15.074 +-0.582 139 11.958 +-0.460 173 10.382 +-0.396 202 8.506 +-0.322 230 5.684 +-0.214 \END; /*===================================================================*/ |