/*===================================================================*/ /* NRDF D0212 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; 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,2; /* 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=X(P,GAMMA)X; ENR=NAT; CHM=ELM; THK-TGT=0.500MG/CM**2'1'; /*@4@*/ BAC=79AU; THK-BAC=0.025CM; DET-PARTCL=(GAMMA); DET-SYS=(GE(LI)); ANL=(OPDT-MODEL,STATIST-MODEL'4'); /*@24@*/ PHQ=(EXC-FUNCT'1',ANGL-DSTRN,OPT-POTL-PARA); /*@18@*/ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; CMPD=64ZN; RSD=64ZN; QVL=7.71MEV; /*@21@*/ /*@23@*/ /*FIG.3-(A)*/ /* D212 FIG 3-(A) */ /* SER#= 2 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 4.600E+00 YMAX= 1.000E+01 */ /* XMIN= 1.000E+00 YMIN= 1.000E-03 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-CM SIGMA DELTA-SIGMA (MEV) (MB) (MB) 1.14 3.77E-03 1.34E-03 1.25 1.15E-02 2.43E-03 1.35 1.88E-02 2.68E-03 1.46 4.61E-02 4.14E-03 1.55 7.09E-02 XXXXXXXX 1.66 1.25E-01 XXXXXXXX 1.76 1.76E-01 XXXXXXXX 1.85 2.89E-01 XXXXXXXX 1.89 2.97E-01 XXXXXXXX 1.94 3.43E-01 XXXXXXXX 1.99 3.67E-01 XXXXXXXX 2.03 3.96E-01 XXXXXXXX 2.09 4.03E-01 XXXXXXXX 2.13 3.88E-01 XXXXXXXX 2.19 4.27E-01 XXXXXXXX 2.23 5.17E-01 XXXXXXXX 2.28 6.51E-01 XXXXXXXX 2.33 6.20E-01 XXXXXXXX 2.38 6.89E-01 XXXXXXXX 2.43 8.34E-01 XXXXXXXX 2.48 6.82E-01 XXXXXXXX 2.54 7.37E-01 XXXXXXXX 2.59 7.95E-01 XXXXXXXX 2.64 8.18E-01 XXXXXXXX 2.68 7.30E-01 XXXXXXXX 2.74 8.66E-01 XXXXXXXX 2.78 7.51E-01 XXXXXXXX 2.84 9.09E-01 XXXXXXXX 2.87 9.18E-01 XXXXXXXX 2.91 1.01E+00 XXXXXXXX 2.97 9.18E-01 XXXXXXXX 3.01 1.12E+00 XXXXXXXX 3.07 1.10E+00 XXXXXXXX 3.11 9.63E-01 XXXXXXXX 3.17 1.21E+00 XXXXXXXX 3.22 1.25E+00 XXXXXXXX \END; /*===================================================================*/ |