/*===================================================================*/ /* NRDF D1853 Data No.6 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,6; D#=D1853; TITLE=/ Mass separation of neutron-rich isotopes using a gas-jet coupled thermal ion source /; PURPOSE=/ To report on the design and performance of the gas-jet coupled thermal ion source installed in the JAERI-ISOL /; ATH=(S.ICHIKAWA'1', M.ASAI'2', K.TSUKADA'1', A.OSA'3', T.IKUTA'2', N.SHINOHARA'1', H.IIMURA'1', Y.NAGAME'1', Y.HATSUKAWA'1', I.NISHINAKA'1', K.KAWADE'4', H.YAMAMOTO'4', M.SHIBATA'4', Y.KOJIMA'4'); INST-ATH=(2JPNJAE'1', 2JPNNAG'2', 2JPNJAE'3', 2JPNNAG'4'); /* '1' Department of Radioisotopes */ /* '2' Department of Nuclear Engineering */ /* '3' Department of Radioisotopes (Takasaki Establishment) */ /* '4' Department of Energy Engineering and Science */ REF=NIM/A; VLP=374(1996)330; RCTS=(238U(P,FISSN), 238U(P,FISSN)140CS, 238U(P,FISSN)144CS, 238U(P,FISSN)144BA, 238U(P,FISSN)144LA, 238U(P,FISSN)148LA, 238U(P,FISSN)148CE, 238U(P,FISSN)148PR, 238U(P,FISSN)152ND, 238U(P,FISSN)156PM, 238U(P,FISSN)160EU); PHQS=XSECTN; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,6; /* 2003-11-05 : Converted, R.Suzuki + N.Otuka. Data converted from EXFOR O0747 */ RTY=FISSN; PHQ=XSECTN; /* Additional results shown but not compiled - The first observation of a new isotope 166Tb was carried out using its monoxide ions. Half-life of 166Tb is 21+-6 sec. Separation efficiency was reported. CHM=ELM; PHYS-FORM=SLD; THK-TGT=1.1MG/CM**2; POL-TGT=0%; ALGN-TGT=0%; ACC=VDGT; INST-ACC=2JPNJAE; INC-ENGY-LAB-RANGE=15MEV; POL-PRJ=0%; COINC=NO; ANT-COINC=NO; /* Experimental Method: - On-line mass separation (Gas-jet coupled thermal ion source was installed in the isotope separator on line.) - Gamma ray spectrometry /* By authors: Reaction yield was evaluated by the reaction cross section and correction made, if necessary for the charge distribution by assuming a Gaussian charge distribution with the most probable distribution Z(p) of the unchanged charge distribution model. */ RCT=238U(P,FISSN)148LA; DET-PARTCL=GAMMA'14'; /* '14' Delayed gamma from 148La */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,6; INC-ENGY-LAB=15MEV; ENGY-GAMMA=158.5KEV'15'; INTNSTY-GAMMA=0.556'15'; HALF-LIFE=1.05SEC'15'; /* '15' Delayed gamma from 148La */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; XSECTN (MB) 0.91 \END; /*===================================================================*/ |