/*===================================================================*/ /* NRDF D1837 Data No.5 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,5; D#=D1837; TITLE=/Most probable charge of fission products in proton-induced fission of 238U and 232Th/; PURPOSE=/The charge distribution of fission products in proton-induced fission of 238U and 232Th were measured in a wide mass range./; ATH=(D.KAJI'1', S.GOTO'1', M.FUJITA'2', T.SHINOZUKA'2', M.FUJIOKA'2', H.KUDO'1'); INST-ATH=(2JPNNII'1', 2JPNTOH'2'); /* '1' Department of Chemistry, Faculty of Science */ /* '2' Cyclotron and Radioisotope Center */ REF=JNRS; VLP=3(2002)7; RCTS=238U(P,FISSN), 232TH(P,FISSN); PHQS=MOST-PRBLE-CHRG; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,5; /* 2003-10-22 : Compiled */ RTY=(FISSN,FISSN,FISSN); PHQ=MOST-PRBLE-CHRG; CHM=ELM; PHYS-FORM=SLD; POL-TGT=0%; ALGN-TGT=0%; POL-PRJ=0%; DET-PARTCL=GAMMA; COINC=NO; ANT-COINC=NO; DET-SYS=HPGE'3'; /* '3' Typical energy resolutions (FWHM) of the two HPGe detectors were 2.1 and 2.8 keV for 1332 keV gamma-ray of 60Co, respectively. */ ANL=X'4'; /* '4' The unchanged charge distribution (UCD) hypothesis */ /* Experimental Method: - Separation by mass-separator (Ion-guide isotope separator on-line (IGISOL)) - Gamma ray spectrometry (Identification and determination of radioactivities of fission products collected on Mylar tape) RCT=232TH(P,FISSN); THK-TGT=(100MG/CM**2,0.5MG/CM**2); BAC=X'17'; /* '17' Self-supported for 100 mg/cm2 target, Aluminum backing foil for 0.5 mg/cm2 target. */ THK-BAC=XMG/CM**2'18'; /* '18' Electorodeposited onto 6.7 mg/cm2 thick aluminum backing foil for 0.5 mg/cm2 target */ ACC=(CYC'19',VDGT'20'); /* '19' Isochronous cyclotron, AVF cyclotron */ INST-ACC=(2JPNTOH'19',2JPNJAE'20'); /* '19' Cyclotron and Radioisotope Center */ INC-ENGY-LAB=20MEV; BEAM-INTNSTY=XUA'21'; /* '21' About 2.0 micro-ampere for AVF Cyclotron at Tohoku Univ. and 0.3 to 0.4 micro-ampere for JAERI tandem accelerator. */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,5; INC-ENGY-LAB=20MEV; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; A MOST-PRBLE-CHRG DELTA-MOST-PRBLE-CHRG'22' (NODIM) (NODIM) (NODIM) 84 33.91 +-0.02 88 35.60 +-0.10 89 36.40 +-0.14 92 37.90 +-0.04 93 37.98 +-0.08 101 42.26 +-0.12 105 42.71 +-0.04 107 43.42 +-0.05 132 51.80 +-0.05 134 52.44 +-0.06 135 52.64 +-0.14 138 54.22 +-0.10 141 55.74 +-0.24 142 56.54 +-0.05 \END; /*===================================================================*/ |