/*===================================================================*/ /* NRDF D0621 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; 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,2; RCT=13C(P,P)13C; 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@*/ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; INC-ENGY-LAB=200MEV; EXC-ENGY=0MEV; /*FIG1-B*/ /* D621 FIG.1-B */ /* SER#= 3 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 1.20000000E+02 YMAX= 1.00000000E+02 */ /* XMIN= 0.00000000E+00 YMIN= 9.99999975E-06 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTL DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA (DEG) (MB/SR) (MB/SR) 6.573 4.146E+02 +XXXXXXXXX-XXXXXXXXX 8.560 3.507E+02 +XXXXXXXXX-XXXXXXXXX 12.382 1.397E+02 +XXXXXXXXX-XXXXXXXXX 14.522 8.459E+01 +XXXXXXXXX-XXXXXXXXX 16.662 4.843E+01 +XXXXXXXXX-XXXXXXXXX 18.803 2.550E+01 +XXXXXXXXX-XXXXXXXXX 20.331 1.420E+01 +XXXXXXXXX-XXXXXXXXX 26.446 2.383E+00 +XXXXXXXXX-XXXXXXXXX 28.280 1.569E+00 +XXXXXXXXX-XXXXXXXXX 30.267 9.495E-01 +XXXXXXXXX-XXXXXXXXX 32.255 6.795E-01 +XXXXXXXXX-XXXXXXXXX 34.089 5.436E-01 +XXXXXXXXX-XXXXXXXXX 36.229 4.862E-01 +XXXXXXXXX-XXXXXXXXX 38.522 4.000E-01 +XXXXXXXXX-XXXXXXXXX 44.178 1.733E-01 +XXXXXXXXX-XXXXXXXXX 50.140 5.080E-02 +XXXXXXXXX-XXXXXXXXX 52.280 2.908E-02 +XXXXXXXXX-XXXXXXXXX 54.420 1.575E-02 +XXXXXXXXX-XXXXXXXXX 58.089 8.527E-03 +XXXXXXXXX-XXXXXXXXX 60.688 8.064E-03 +XXXXXXXXX-XXXXXXXXX 64.357 5.771E-03 +XXXXXXXXX-XXXXXXXXX 68.331 3.798E-03 +XXXXXXXXX-XXXXXXXXX 72.306 2.795E-03 +XXXXXXXXX-XXXXXXXXX 76.586 8.664E-04 +XXXXXXXXX-XXXXXXXXX 79.949 2.840E-04 +XXXXXXXXX-XXXXXXXXX 88.204 2.654E-05 +XXXXXXXXX-XXXXXXXXX 92.331 4.635E-05 +XXXXXXXXX-XXXXXXXXX 99.974 4.384E-05 +XXXXXXXXX-XXXXXXXXX 109.758 1.437E-05 +XXXXXXXXX-XXXXXXXXX \END; /*===================================================================*/ |