/*===================================================================*/ /* NRDF D0212 Data No.7 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,7; D#=D212; TITLE=/THRESHOLD EFFECTS IN PROTON-INDUCED REACTIONS ON COPPER/; PURPOSE=/THE BEHAVIOR OF NUCLEAR REACTION CROSS SECTIONS NEAR THRESHOLDS IS AN ESPECIALLY SENSITIVE TEST OF ABILITY OF THE HAUSER-FESHBACH STATISTICAL MODEL TO PREDICT THE ENERGY DEPENDENCE OF REACTION CROSS SECTIONS. THERE SHOLD BE A DROP IN CROSS SECTION (WIGNER CUSP) FOR ALREADY OPEN CHANNELS WHEN A NEW CHANNEL OPENS. THESE CUSPS MIGHT BE MOST READILY OBSERVED IN THE VICINITY OF S-WAVE NEUTRON THRESHOLDS./; /*@3@*/ ATH=(Z.E.SWITKOWSKI'1',J.C.P.HEGGIE'1',F.M.MANN'2'); INST-ATH=(3AULAML'1',1USAHED'2'); REF=AUJ; VLP=31(1978)253; RCTS=(65CU(P,N)65ZN, 63CU(P,N)63ZN, 65CU(P,GAMMA)65ZN, 63CU(P,GAMMA)64ZN,65CU(P,ALPHA)62NI,63CU(P,ALPHA)60NI); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,7; /* 2007-03-05 N.OTUKA: ATH and INST-ATH corrected */ ACC=(X'1'); /*@5@*/ INST-ACC=3AULAML; INC-ENGY-LAB-RANGE=1.2MEV(0.1MEV)3.3MEV; INC-ENGY-RANGE=1.2MEV(0.05MEV)1.8MEV; BEAM-INTNSTY=0.2[0.5UA; POL-PRJ=NO; RCT=65CU(P,N)65ZN; ENR=99.9%; CHM=ELM; THK-TGT=0.500MG/CM**2; BAC=79AU; THK-BAC=0.025CM; INC-ENGY-RANGE=2.15MEV[4.0MEV; DET-PARTCL=(N); DET-SYS=(X'1'); /*@12@*/ /*@13@*/ ANL=(OPT-MODEL,STATIST-MODEL'4'); /*@24@*/ PHQ=(EXC-FUNCT'1',OPT-POTL-PARA); /*@22@*/ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,7; CMPD=64ZN; RSD=63ZN; QVL=-4.15MEV; /*FIG.4-(A)*/ /* D212 FIG 4-(A) */ /* SER#= 7 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 6.000E+01*0.1 YMAX= 1.000E+02 */ /* XMIN= 2.000E+01*0.1 YMIN= 1.000E-01 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-CM DELTA-INC-ENGY-CM SIGMA DELTTA-SIGMA (MEV) (MEV) (MB) (MB) 4.149 8.75E-01 1.52E+01 3.14E+00 4.245 8.35E-01 2.21E+01 2.90E+00 4.663 9.15E-01 7.99E+01 7.26E+00 4.754 9.95E-01 8.34E+01 7.58E+00 5.132 9.15E-01 1.31E+02 1.18E+01 5.459 8.75E-01 1.70E+02 XXXXXXXX 5.570 7.56E-01 1.87E+02 XXXXXXXX 5.996 1.07E+00 2.05E+02 XXXXXXXX 6.434 9.55E-01 2.30E+02 XXXXXXXX \END; /*===================================================================*/ |