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 /* NRDF D0621 Data No.7                                              */
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 /* Bibliography                                                      */
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 \\BIB,7;
 D#=D621;
 TITLE=/ELASTIC SCATTERING OF 200 MEV POLARIZED PROTONS FROM 12,13C AND
        THE OPTICAL POTENTIAL/;
 PURPOSE=/THE PURPOSE IS THREEFOLD. FIRST,THERE IS UTILITARIAN INTEREST
          IN ACCURATE ELASTIC SCATTERING DATA. CARBON,BESIDES BEING A
          FREQUENTLY ENCOUNTERED CONTAMINANT,MAY BE USED AS A CONVENIENT
          AND EFFICIENT ANALYZER FOR MEDIUM-ENERGY POLARIZED PROTON
          BEAMS. SECOND,THE GROWING INTEREST IN PROTON-INDUCED REACTIONS
          AT MEDIUM ENERGIES CALLS FOR RELIABLE AND CONVENIENT
          PHENOMENOLOGICAL SPECIFICATION OF OPTICAL POTENTIALS TO BE
          USED FOR GENERATING DISTORTED WAVES. THIRD,THE ENERGY REGION
          AROUND 200 MEV IS CONSIDERED THE THRESHOLD OF RELIABILITY FOR
          MICROSCOPIC CALCULATIONS OF THE OPTICAL POTENTIALS STARTING
          FROM THE FREE NUCLEON-NUCLEON INTERACTION/;
 ATH=(H.O.MEYER'1',P.SCHWANDT'1',G.L.MOAKE'1',P.P.SINGH'1');
 INST-ATH=(1USAINU'1');
 REF=PR/C;
 VLP=23(1981)616;
 RCTS=(12C(P,P)12C,13C(P,P)13C);
 PHQS=(ANGL-DSTRN,XSECTN-RATIO,ANALPW,OPT-POTL-PARA);
 /*===================================================================*/
 /* Experimental Conditions                                           */
 /*===================================================================*/
 \\EXP,7;
 RCT=12C(P,P)12C;
 RTY=(ELA-SCATT);
 ENR=X%;
 CHM=ELM;
 PHYS-FORM=SLD;
 THK-TGT=3.7[150MG/CM**2;
 BAC=SELF;
 ACC=(CYC);
 INST-ACC=1USAINU;
 INC-ENGY-LAB=(200MEV);
 BEAM-INTNSTY=<80NA'4';
 /*@3@*/
 POL-PRJ=70%;
 DET-PARTCL=(P);
 DET-SYS=(MAG+WC'4');
 /*@4@*/
 SOLID-ANGL=0.6[2.6MSR;
 ERS-DET=100[500KEV;
 ANL=(OPT-MODEL);
 PHQ=(ANGL-DSTRN,DSIGMA/DOMEGA,XSECTN-RATIO,ANALPW,OPT-POTL-PARA'5');
 /*@5@*/
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 /* Descriptive Parameters                                            */
 /*===================================================================*/
 \\DATA,7;
 PRJ=P;
 TGT=12C;
 INC-ENGY-LAB=200MEV;
 POTL-FORM=/V*FV(R)+I*W*FW(R)-(VSO*FVSO(R)+I*WSO(R)*FWSO(R))*SIGMA*L+UC(
 R):
 FV(R)=(1+EXP((R-RV*A**(1/3))/AV))**(-1)
 FW(R)=(1+EXP((R-RW*A**(1/3))/AW))**(-1)
 FVSO=FWSO=2/R*DIF(1/R)(1+EXP((R-RSO*A**(V3))/ASO))**(-1)/;
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 /* Data Table                                                        */
 /*===================================================================*/
 \DATA;
 INC-ENGY-LAB V RV AV W RW AW VSO RSO ASO WSO
 (MEV) (MEV) (FM) (FM) (MEV) (FM) (FM) (MEV) (FM) (FM) (MEV)
 200 -9.00 1.39 0.55 -13.50 1.12 0.68 -2.75 0.91 0.52 2.55
 \END;
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