/* 2006-02-23 N.OTUKA \\EXP,1 11; -> \\EXP,1[11;, \\EXP,1 10; -> \\EXP,1[10; */ \\BIB,1[11; D#=D1444; TITLE=/INCOMPLETE FUSION OF THE 16O+27AL REACTION/; PURPOSE=/TO OBTAIN INFORMATION ON THE ROLE OF THE ENTRANCE-CHANNEL ANGULAR MOMENTUM IN THE INCOMPLETE REACTION BY MEASURING THE VELOCITY DEFICTS OF THE PARTICLE EVAPOLATION PROCESSES./; ATH=(H.IKEZOE'1',N.SHIKAZONO'1',Y.TOMITA'1',K.IDENO'1',Y.SUGIYAMA'1', E.TAKEKOSHI'1'); INST-ATH=(2JPNJAE'1'); REF=NP/A; VLP=444(1985)349; RCTS=(27AL(16O,X)X); PHQS=(MOM-DSTRN,A-DSTRN,Z-DSTRN,DATA'1',FISSN-XSECTN); /*@1@*/ \\EXP,1[11; RCT=27AL(16O,X)X; RTY=(FUSN); \\EXP,1[11; CHM=ELM; PHYS-FORM=SLD; THK-TGT=180MG/CM**2; BAC=SELF; POL-TGT=0%; \\EXP,1[11; ACC=(TVDG); INST-ACC=2JPNJAE; INC-ENGY-LAB=(90MEV'22',150MEV); /*@22@*/ \\EXP,1[11; DET-PARTCL=(X'12'); /*@12@*/ \\EXP,1[11; DET-SYS=(TOF+EDE,SBD,IC)'13'; /*@13@*/ CALB-DET=/@15@/; MONTR-RCT=/@16@/; EFCN-DET=/@14@/; \\EXP,1[11; ANL=(OPT-MODEL,STATIST-MODEL); \\EXP,1[10; PHQ=(MOM-DSTRN,A-DSTRN,Z-DSTRN,DATA'1'); /*@1@*/ \\EXP,11; PHQ=(FISSN-XSECTN); \\DATA,1; INC-ENGY-LAB=150MEV; THTL=4DEG'2'; /*@2@*/ /*FIG.4A-1*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 2.818E+01 -6.805E+00 +-0.000E+00 2.913E+01 -7.549E+00 +-0.000E+00 3.022E+01 -7.002E+00 +-0.000E+00 3.117E+01 -3.947E+00 +-0.000E+00 3.211E+01 -5.176E+00 +-0.000E+00 3.311E+01 -4.468E+00 +-0.000E+00 3.510E+01 -4.243E+00 +-0.000E+00 3.713E+01 -1.695E+00 +-0.000E+00 3.823E+01 -8.990E-01 +-0.000E+00 \END; /*@1@*/ \\DATA,2; INC-ENGY-LAB=150MEV; THTL=8DEG'2'; /*@2@*/ /*FIG.4A-2*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 2.786E+01 -8.068E+00 +-1.930E+00 2.884E+01 -7.388E+00 +-1.910E+00 2.992E+01 -7.838E+00 +-1.925E+00 3.085E+01 -4.433E+00 +-1.689E+00 3.193E+01 -5.162E+00 +-1.825E+00 3.286E+01 -4.337E+00 +-1.925E+00 3.393E+01 -4.302E+00 +-1.803E+00 3.494E+01 -4.585E+00 +-1.506E+00 3.602E+01 -3.247E+00 +-1.532E+00 3.695E+01 -2.087E+00 +-1.334E+00 3.805E+01 4.909E-01 +-1.296E+00 \END; /*@1@*/ \\DATA,3; INC-ENGY-LAB=150MEV; THTL=12DEG'2'; /*@2@*/ /*FIG.4A-3*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 2.800E+01 -9.748E+00 +-0.000E+00 2.912E+01 -9.416E+00 +-0.000E+00 3.003E+01 -9.382E+00 +-0.000E+00 3.101E+01 -5.174E+00 +-0.000E+00 3.217E+01 -5.506E+00 +-0.000E+00 3.307E+01 -5.066E+00 +-0.000E+00 3.430E+01 -4.460E+00 +-0.000E+00 3.512E+01 -4.764E+00 +-0.000E+00 3.625E+01 -3.113E+00 +-0.000E+00 3.720E+01 -2.204E+00 +-0.000E+00 3.823E+01 -6.211E-01 +-0.000E+00 \END; /*@1@*/ \\DATA,4; INC-ENGY-LAB=150MEV; THTL=16DEG'2'; /*@2@*/ /*FIG.4A-4*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 2.814E+01 -9.448E+00 +-0.000E+00 2.909E+01 -8.339E+00 +-0.000E+00 3.021E+01 -9.147E+00 +-0.000E+00 3.117E+01 -5.237E+00 +-0.000E+00 3.213E+01 -5.975E+00 +-0.000E+00 3.324E+01 -4.744E+00 +-0.000E+00 3.410E+01 -4.102E+00 +-0.000E+00 3.523E+01 -4.512E+00 +-0.000E+00 3.620E+01 -3.796E+00 +-0.000E+00 3.732E+01 -1.803E+00 +-0.000E+00 \END; /*@1@*/ \\DATA,5; INC-ENGY-LAB=150MEV; RSD=X'30'; /*@30@*/ THTL=8DEG'3'; /*@3@*/ /*FIG.4B-1*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 3.603E+01 -7.306E-01 +-2.058E+00 3.699E+01 -1.054E+00 +-1.303E+00 3.807E+01 -5.164E-01 +-1.427E+00 \END; /*@1@*/ \\DATA,6; INC-ENGY-LAB=150MEV; RSD=X'31'; /*@31@*/ THTL=8DEG'3'; /*@3@*/ /*FIG.4B-2*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 3.401E+01 -6.717E+00 +-2.316E+00 3.507E+01 -3.245E+00 +-1.461E+00 3.603E+01 -2.185E+00 +-1.389E+00 3.731E+01 -1.123E+00 +-1.369E+00 3.807E+01 -6.960E-02 +-1.558E+00 \END; /*@1@*/ \\DATA,7; INC-ENGY-LAB=150MEV; RSD=X'32'; /*@32@*/ THTL=8DEG'3'; /*@3@*/ /*FIG.4B-3*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 3.207E+01 -2.921E+00 +-1.942E+00 3.297E+01 -1.654E+00 +-1.840E+00 3.408E+01 -4.503E-01 +-1.934E+00 3.506E+01 9.561E-01 +-1.779E+00 3.605E+01 9.594E-01 +-1.247E+00 \END; /*@1@*/ \\DATA,8; INC-ENGY-LAB=150MEV; RSD=X'33'; /*@33@*/ THTL=8DEG'3'; /*@3@*/ /*FIG.4B-4*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 3.098E+01 -3.126E+00 +-2.040E+00 3.205E+01 -5.641E+00 +-1.938E+00 3.303E+01 -3.604E+00 +-1.751E+00 \END; /*@1@*/ \\DATA,9; INC-ENGY-LAB=150MEV; RSD=X'34'; /*@34@*/ THTL=8DEG'3'; /*@3@*/ /*FIG.4B-5*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 2.799E+01 -5.622E+00 +-1.947E+00 2.896E+01 -5.618E+00 +-1.992E+00 3.004E+01 -4.867E+00 +-1.906E+00 3.097E+01 -5.910E+00 +-2.010E+00 \END; /*@1@*/ \\DATA,10; INC-ENGY-LAB=150MEV; RSD=X'35'; /*@35@*/ THTL=8DEG'3'; /*@3@*/ /*FIG.4B-6*/ \DATA; MASS DATA'1' DELTA-DATA'1' (NODIM) (NODIM) (NODIM) 2.801E+01 -8.450E+00 +-2.483E+00 2.895E+01 -1.051E+01 +-2.396E+00 \END; /*@1@*/ \\DATA,11; INC-ENGY-LAB=150MEV; NORM=/@5@/; \DATA; MASS'6' FISSN-XSECTN DELTA-XSECTN (NODIM) (MB) (MB) 28 980 150 \END; /*@6@*/ \\END; @@1; '1' VELOCITY CENTROID SHIFTS, (U-V*C)/(V*C), WHERE U,VAND C ARE THE VELOCITY CENTROID OF EVAPORATION RESIDUES, VELOCITY OF THE C.M. SYSTEM AND COSINE OF THE RECOIL ANGLE, RESPECTIVELY. @@2; '2' RECOIL ANGLE OF RESIDUAL NUCLEUS. @@3; '3' RECOIL ANGLE OF RESIDUAL ISOTOPE. @@5; THE ANGULAR DISTRIBUTION OF THE EVAPORATION RESIDUES WAS INTEGRATED TO OBTAIN THE CROSS SECTION FOR THE PRODUCTION OF FUSION-LIKE RESIDUES. THE CROSS SECTION WAS NORMALIZED TO THE FORWARD ELASTIC SCATTERING OF 16O FROM 27AL. @@6; '6' ALL THE PRODUCTS OF MASS A = 28 WERE ASSUMED TO BE FUSION-LIKE RESIDUES. @@22; '22' VELOCITY SPECTRA OF TYPICAL EVAPORATION RESIDUES AT 90 MEV IS GIVEN ONLY AS FIGURES OF HISTGRAM FORM THAT ARE TOO SMALL TO READ BY A DIGITAL GRAPH READER. @@12; '12' AR,CL,S,P,SI,AL,MG,NA,NE,F,O ARE DETECTED BY MASS SEPARATION. @@13; '13' TWO MICROCHANNEL-PLATE DETECTORS OF GRIDLESS TYPE WERE USED FOR START AND STOP SIGNALS,RESPECTIVELY. IN ADDITION TO THE MASS NUMBERS THE ATIMIC NUMBERS WERE MEASURED BY PLACING AN IONIZATION CHAMBER BEHIND THE TOF TELESCOPE AT BEAM ENERGY OF 150MEV. ISOBUTANE GAS WAS USED AND THE POLYVINYL ENTRANCE WINDOWS WAS 0.8 MICROMETER THICK. AT 90MEV INSTEAD OF THE IONIZATION CHAMBER A SURFACE-BARRIER DETECTOR WAS MOUNTED JUST BEHIND THE TOF TELESCOPE AND ONLY MASS IDENTIFICATION WAS ACHIEVED. @@14; THE OVERALL TIME RESOLUTION OF THE TOF SYSTEM OBTAINED WAS 180 200 PS. @@15; A PRECISION TIME-PULSE GENERATOR AND THE ELASTICALLY SCATTERED 16O FROM A THIN AU TARGET WERE USED TO CALIBRATE THE TIME SPECTRA OF EVAPOLATION RESIDUES. @@16; THE THICKNESS OF THE AL TARGET AND THE CARBON FOIL OF THE MICRO- CHANNEL PLATE DETECTORS WERE MEASURED USING 5.48MEV ALPHA-PARTICLES FROM 241AM. @@30; '30' ISOTOPES OF AR @@31; '31' ISOTOPES OF CL @@32; '32' ISOTOPES OF S @@33; '33' ISOTOPES OF P @@34; '34' ISOTOPES OF SI @@35; '35' ISOTOPES OF AL @@;