/*===================================================================*/ /* NRDF D0212 Data No.8 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,8; 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,8; /* 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,8; CMPD=66ZN; RSD=65ZN; QVL=-2.13MEV; /*FIG.4-(B)*/ /* D212 FIG 4-(B) */ /* SER#= 8 */ /* 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 SIGMA (MEV) (MB) 2.131 2.14E-01 2.179 8.32E-01 2.239 1.43E+00 2.299 2.11E+00 2.342 2.78E+00 2.446 4.92E+00 2.553 7.28E+00 2.629 1.10E+01 2.756 1.37E+01 2.844 2.43E+01 2.955 3.06E+01 3.043 2.85E+01 3.146 3.32E+01 3.242 3.98E+01 3.333 4.95E+01 3.449 5.64E+01 3.544 7.06E+01 3.640 7.27E+01 3.735 8.10E+01 3.831 8.97E+01 3.934 8.90E+01 \END; /*===================================================================*/ |