/*===================================================================*/ /* NRDF D1813 Data No.3 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,3; D#=D1813; TITLE=/Fragment mass distribution of the 239Pu(d,pf) reaction via the superdeformed beta-vibrational resonance/; PURPOSE=/The authors are interested in resonance fission through the beta-vibrational state built on the SD. Then the purpose of this experiment is to confirm the enhancement of near-symmetric fission by measurement of the mass distribution of fission fragments by gating on this resonance./; ATH=(K.NISHIO'1', H.IKEZOE'1', Y.NAGAME'1', S.MITSUOKA'1', I.NISHINAKA'1', L.DUAN'2', K.SATOU'1', S.GOTO'3', M.ASAI'1', H.HABA'1', K.TSUKADA'1', N.SHINOHARA'1', S.ICHIKAWA'1', T.OHSAWA'4'); INST-ATH=(2JPNJAE'1', 3CPRIMP'2', 2JPNNII'3', 2JPNKNK'4'); /* '1' Advanced Science Research Center */ /* '3' Department of Chemistry, Faculty of Science */ /* '4' Department of Electrical & Electronic Engineering, School of Science & Engineering */ REF=PR/C; VLP=67(2003)014604; RCTS=239PU(D,P,FISSN)A-RESD, 239PU(D,P,FISSN); PHQS=(A-DSTRN, MASS'5'); /* '5' The average value of the heavy fragment mass */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,3; /* 2004-07-26 : Compiled */ RTY=(FISSN,FISSN,FISSN); CHM=PU.O2(NO3)2; PHYS-FORM=SLD; THK-TGT=0.035MG/CM**2; BAC=X'6'; /* '6' Nickel foil */ THK-BAC=0.09MG/CM**2; POL-TGT=0%; ALGN-TGT=0%; ACC=VDGT'7'; /* '7' JAERI-tandem accelerator */ INST-ACC=2JPNJAE; INC-ENGY-LAB=13.5MEV; BEAM-INTNSTY=5NA; POL-PRJ=0%; DET-PARTCL=(P,X'8'); /* '8' Fission Fragments */ COINC=(P,X'9'); /* '9' Fission Fragments */ ANT-COINC=NO; DET-SYS=(SI'10',SBD'11'); /* '10' Used as DeltaE-E telescope to distinguish and detect proton. Solid angle is 45 msr. Its resolution is 55 keV. 198Pt target was also used to produce elastically scattered deuterons and to calibrate the proton detectors. */ /* '11' Silicon PIN diodes to determine mass of the fission fragment. Solid angle is 1.25 sr. The energy calibration of the silicon PIN diodes was made by using the Schmitt formula. RCT=239PU(D,P,FISSN); PHQ=MASS'16'; /* '16' The average value of the heavy fragment mass */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,3; INC-ENGY-LAB=13.5MEV; EMT-1=P; INTRM=240PU; THTL-1=135DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; EXC-ENGY-INTRM-MIN EXC-ENGY-INTRM-MAX DATA1'17' DELTA-DATA1'17' (MEV) (MEV) (AMU) (AMU) 5.30 6.00 139.8 +-1.1 4.78 5.30 140.2 +-2.5 \END; /*===================================================================*/ |