/*===================================================================*/ /* NRDF D1968 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; D#=D1968; TITLE=/ Excitation functions of Ge(p,xnyp) reactions and production of 68Ge /; PURPOSE=/ To measure cross sections for the Ge(p,xn)As, (p,pxn)Ge and (p,alphapxn)Zn reactions in the proton energy range of 19-64 MeV. /; ATH=(T.HORIGUCHI'1', H.KUMAHORA'1', H.INOUE'1', Y.YOSHIZAWA'1'); INST-ATH=(2JPNHIR'1'); /* '1' Facalty of Science */ REF=ARI; VLP=34(1983)1531; RCTS=(GE(P,X)71AS, GE(P,X)72AS, GE(P,X)73AS, GE(P,X)74AS, GE(P,X)68GE, GE(P,X)69GE, GE(P,X)66GA, GE(P,X)67GA, GE(P,X)65ZN); PHQS=(XSECTN, TTY); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,4; /* 2006-06-28 : Compiled, Tk + On */ ENR=NAT; CHM=ELM; PHYS-FORM=SLD; THK-TGT=107MG/CM**2; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC'2'; /* '2' Isochronous cyclotron, AVF cyclotron */ INST-ACC=2JPNRCN; INC-ENGY-LAB=65MEV; ERS-PRJ=0.5%'3'; /* '3' Maximum value */ BEAM-INTNSTY=1UA; POL-PRJ=0%; COINC=NO; ANT-COINC=NO; DET-SYS=GE(LI)'4'; /* '4' To measure gamma rays from product nuclei */ /* Experimental Method: - Activation (Irradiated for 1-2 hour) - Stacked target irradiation - Gamma ray spectrometry (Measured 40 hour after the end of irradiation for short-lived nuclei (66As, 67As, 68As, 69As, 70As, 66Ge, 67Ge, 65Ga, 68Ga, 70Ga) and 1 month for long-lived nuclei (73As, 74As, 68Ge, 65Zn)) /* No description of cumulative production and isomeric transition in references */ /* Related references - D.Basile et al., ARI, 32(1981)403. Reference with which data disagree (Proton energy at peak is 2 MeV lower than present result). See also EXFOR A0190.005. RCT=GE(P,X)74AS; PHQ=XSECTN; DET-PARTCL=GAMMA'19'; /* '19' Delayed gamma from 74As */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; INC-ENGY-LAB=65MEV; TOT-ERR=16%'5'; /* '5' Maximum overaluncertainty (11-16%) */ SYS-ERR=(2%'6',10%'7',3%'8',11%'9'); /* '6' Uncertainty in target thickness */ /* '7' Uncertainty in proton beam current (relatively 2% and absolutely 10%) */ /* '8' Uncertainty in detector efficiency */ /* '9' Maximum uncertainty in gamma-ray intensities per decay (0.2-11%) */ STATIST-ERR=3%'10'; /* '10' Maximum uncertainty in gamma-ray peak areas (0.1-3%) */ ENGY-GAMMA=(595.9KEV'20',634.8KEV'21'); INTNSTY-GAMMA=(0.60'20',0.149'21'); HALF-LIFE=(17.78DAY'21',17.78DAY'20'); /* '20' Delayed gamma from 74As via NONe */ /* '21' Delayed gamma from 74As via NONe */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-LAB SIGMA (MEV) (MB) 1.890E+01 5.137E+01 2.451E+01 5.795E+01 2.939E+01 8.126E+01 3.126E+01 8.206E+01 3.365E+01 7.779E+01 3.552E+01 6.354E+01 3.915E+01 4.466E+01 4.061E+01 3.646E+01 4.289E+01 3.342E+01 4.414E+01 2.920E+01 4.736E+01 2.478E+01 4.861E+01 2.327E+01 5.058E+01 2.207E+01 5.182E+01 2.103E+01 5.473E+01 1.891E+01 5.556E+01 1.864E+01 5.764E+01 1.717E+01 5.878E+01 1.751E+01 6.148E+01 1.621E+01 6.418E+01 1.471E+01 \END; /*===================================================================*/ |