/*===================================================================*/ /* NRDF D0289 Data No.1 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,1; D#=D289; TITLE=/VOLUME INTEGRALS FOR LOW-ENERGY P+208PB OPTICAL POTENTIALS/; PURPOSE=/PROTON ELASTIC SCATTERING ON 208PB HAS BEEN THE OBJECT OF NUMEROUS THEORETICAL AND EXPERIMENTAL INVESTIGATIONS, SINCE THIS HEAVY NUCLEUS IS VERY SIMILAR TO NUCLEAR MATTER AND SINCE MANY OF THE DIFFICULTIES ENCOUNTERED IN OPTICAL-MODEL ANALYSIS OF PROTON-NUCLEUS SCATTERING ARE NOT PRESENT. VAN OERS ET AL. HAVE PRESENTED A MULTI-ENERGY ANALYSIS FROM 15-1000MEV, WHERE THEY FOUND A LINEAR ENERGY DEPENDENCE FOR THE REAL VOLUME INTEGRAL PER NUCLEON. IT IS THE AIM OF THE PRESENT INVESTIGATION TO EXTEND THE ENERGY RANGE FAIRLY BELOW THE COULOMB BARRIER AND TO STUDY THE ENERGY DEPENDENCE OF THE REAL AND IMAGINARY VOLUME INTEGRALS./; ATH=(W.KRETSCHMER'1',H.LOH'1',K.SPITZER'1',W.STACH'1'); INST-ATH=(2GERUEN'1'); REF=PL/B; VLP=87(1979)343; RCTS=(208PB(P,P)208PB); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,1; RCT=208PB(P,P)208PB; ENR=99.14%; CHM=ELM; THK-TGT=10MG/CM**2; BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(VDG); INST-ACC=2GERUEN; INC-ENGY-LAB-RANGE=(9MEV,10MEV); DELTA-INC-ENGY=XKEV; ERS-PRJ=XKEV; BEAM-INTNSTY=XUA; POL-PRJ=YES; DET-PARTCL=(P); DET-SYS=(X'1'); /*@3@*/ SOLID-ANGL=XMSR; ERS-DET=XKEV; ANL=(OPT-MODEL); PHQ=(XSECTN,ANGL-DSTRN,DSIGMA/DOMEGA,ANALPW,OPT-POTL-PARA); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,1; INC-ENGY-LAB=9MEV; /*FIG.1-(A)*/ /* D289 FIG 1-(A) */ /* SER#= 1 */ /* XSCALE=LINEAR YSCALE=LINEAR */ /* XMAX= 1.80000000E+02 YMAX= 4.99999896E-03 */ /* XMIN= 0.00000000E+00 YMIN= 0.00000000E+00 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC ANALPW DELTA-ANALPW (DEG) (NODIM) (NODIM) 40.48 -7.04E-05 1.19E-03 45.20 7.04E-05 1.47E-03 49.91 2.32E-03 9.85E-04 55.02 4.23E-03 1.05E-03 60.13 1.90E-03 9.85E-04 66.03 -8.45E-04 1.05E-03 70.74 -1.34E-03 1.05E-03 75.07 -2.32E-03 1.19E-03 80.17 -1.41E-03 7.74E-04 86.07 -4.93E-04 1.69E-03 90.00 2.18E-03 7.74E-04 96.29 1.83E-03 1.69E-03 101.00 1.06E-03 7.74E-04 105.72 9.15E-04 1.12E-03 110.83 -1.76E-03 7.04E-04 116.33 -4.58E-03 1.05E-03 120.65 -3.73E-03 6.33E-04 125.37 -4.72E-03 9.15E-04 130.09 -6.06E-03 7.74E-04 135.59 -6.13E-03 9.15E-04 140.31 -4.15E-03 8.45E-04 145.41 -1.41E-03 1.83E-03 150.52 -3.03E-03 1.19E-03 155.24 -4.08E-03 1.76E-03 160.35 -3.52E-03 1.26E-03 165.46 -1.76E-03 1.69E-03 170.17 -2.18E-03 1.83E-03 \END; /*===================================================================*/ |