/*===================================================================*/ /* NRDF D0301 Data No.10 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,10; D#=D301; TITLE=/TWO-STEP EFFECTS IN 15-35 MEV PROTON SCATTERING FROM 24MG LOW-LYING STATES/; PURPOSE=/THE DIFFERENTIAL CROSS SECTIONS FOR PROTON SCATERING ON 24MG HAVE BEEN MEASURED AT INCIDENT ENERGIES BETWEEN 15 AND 35 MEV. THE TRANSITIONS LEADING TO EXCITED LEVELS UP TO 6.01 MEV, AND IN PARTICULAR TO THE UNNATURAL PARITY STATE 3+(2)(5.22 MEV), HAVE BEEN STUDIED. THE EXPERIMENT IS MEANT TO ASCERTAIN THE PRESENCE OF SEMIDIRECT EFFECTS AT THE INCIDENT ENERGIES ABLE TO EXCITE TARGET GIANT RESONANCE STATES. IT ALSO AIMS AT ASCERTAINING THE EXTENT TO WHICH THE JPROBABLE SEMIDIRECT EFFECTS MAY BE INTERPRETED AS TWO-STEP PROCESSES WHICH EXCITE, IN THE INTERMEDIATE STAGE, TARGET GIANT RESONANCE STATES./; ATH=(R.DE LEO'1',G.D ERASMO'1',E.M.FIORE'1',A.PANTALEO'1', M.PIGNANELLI'2',H.V.GERAMB'3'); INST-ATH=(2ITYBAU'1',2ITYMIL'2',2GERHAM'3'); /*@3@*/ REF=PR/C; VLP=20(1979)13; RCTS=(24MG(P,P)24MG); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,10; RCT=24MG(P,P)24MG; ENR=>9.9.98%; CHM=ELM; THK-TGT=1050UG/CM**2; BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(CYC'1'); /*@4@*/ INST-ACC=2ITYITY'5'; /*@3@*/ INC-ENGY-LAB-RANGE=(15[35MEV); DELTA-INC-ENGY-LAB=XKEV; ERS-PRJ=30KEV; BEAM-INTNSTY=XUA; POL-PRJ=YES; DET-SYS=(SI'1'); /*@5@*/ SOLID-ANGL=1MSR; ERS-DET=XKEV; ANL=(OPT-MODEL,DWBA,MILTST,STATIST-MODEL,SHELL-MODEL,COLL-MODEL); PHQ=(XSECTN,ANGL-DSTRN,XSECTN-LEVEL,DSIGMA/DOMEGA,ANALPW,GIA-RESN,POT-P OTL-PARA,DEFORM-PARA); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,10; INC-ENGY-LAB=23.59MEV; EXC-ENGY=0.0MEV; DELTA-EXC-ENGY=XMEV; J-PI=0+; /*FIG.3-(I)*/ /* D301 FIG.3-(I) */ /* SER#= 72 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 1.80000000E+02 YMAX= 1.00000000E+01 */ /* XMIN= 0.00000000E+00 YMIN= 1.00000000E+00 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC DATA1'1' (DEG) (NODIM) 20.155 2.512E+00 26.874 3.020E+00 35.552 2.362E+00 39.751 9.698E-01 46.190 1.031E+00 53.468 3.211E+00 58.787 5.580E+00 61.866 7.134E+00 65.505 7.356E+00 75.023 6.119E+00 80.342 3.981E+00 87.061 2.436E+00 91.820 2.436E+00 98.818 3.363E+00 104.697 4.365E+00 110.015 4.713E+00 115.054 4.043E+00 121.773 3.521E+00 126.532 3.020E+00 130.731 2.884E+00 138.009 2.884E+00 143.608 2.551E+00 148.647 2.326E+00 153.966 1.905E+00 160.404 2.122E+00 166.003 2.399E+00 \END; /*===================================================================*/ |