/*===================================================================*/ /* NRDF D0327 Data No.15 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,15; D#=D327; TITLE=/DIFFERENTIAL RANGES AND ANGULAR DISTRIBUTIONS OF BA FRAGMENTS FROM THE INTERACTION OF 238U WITH 11.5-GEV PROTONS/; PURPOSE=/AS SHOWN IN FIGURE OF Z-DEPENDENCE OF THE ISOBARIC THICK-TARGET RANGES AND CROSS SECTIONS OF A=131 NUCLIDES FROM THE INTERACTION OF 238U WITH 11.5-GEV PROTONS, THE RANGE OF 131BA LIES MIDWAY BETWEEN THE FISSION AND DEEP SPALLATION RANGES. THE MOST OBVIOUS EXPLANATION OF THIS FACT IS THAT AT A=131 THE TRANSITION BETWEEN THESE PROCESSES OCCURS BETWEEN Z=55 AND 57, WITH COMPARABLE CONTRIBUTIONS OCURRING AT Z=56. THIS EXPLABATUIB ASSUMES THAT ONLY TWO MECHANISMES ARE OPERATIVE AND THIS IS FAR FROM CERTAIN. THE RESULTS PRESENTED HERE PERMIT A DETERMINATION OF HOW THE ANGULAR DISTRIBUTION AND THE WIDTH OF THE SPECTRUM, QUANTITIES THAT CANNOT BE INFERRED FROM THICK-TARGET RECOIL STUDIES, CHANGE AS THE TRANSITION BETWEEN MECHANISMS IS ACCHIEVED./; ATH=(N.T.PORILE'1',S.PANDIAN'1',H.KLONK'1',C.R.RUDY'1',E.P.STEINBERG'2' INST-ATH=(1USAPUR'1',1USAANL'2'); REF=PR/C; VLP=19(1979)1832; RCTS=(238U(P,X)128BA,238U(P,X)131LA,238U(P,X)131BA,238U(P,X)135BA, 238U(P,X)140BA); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,15; RCT=(238U(P,X)128BA,238U(P,X)131LA,238U(P,X)131BA,238U(P,X)135BA, 238U(P,X)140BA); CHM=UF4; THK-TGT=100[300MU-M; BAC=AL; THK-BAC=20MU-M; ACC=(SYN); INST-ACC=1USAANL; INC-ENGY-RANGE=(11.5GEV'55'); /*@55@*/ DELTA-INC-ENGY=XKEV; ERS-PRJ=XKEV; BEAM-INTNSTY=XUA; POL-PRJ=NO; DET-PARTCL=(GAMMA); DET-SYS=(GE(LI)); /*@56@*/ /*@57@*/ BAC=X'53'; /*@53@*/ DET-PARTCL=(X); SOLID-ANGL=0.16SR'63'; /*@63@*/ PHQ=(ANGL-DSTRN'64,65,66,67'); /*@58@*/ /*@59@*/ /*@64@*/ /*@65@*/ /*@67@*/ /*@66@*/ ANL=(X'68'); /*@68@*/ BAC=X'54'; DET-PARTCL=(X); PHQ=(Z-DSTRN,X'60'); /*@60@*/ /*@61@*/ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,15; RSD=131BA; /*@70@*/ /*FIG.6*/ /* D327 FIG.6 */ /* SER#= 13 */ /* XSCALE=LINEAR YSCALE=LINEAR */ /* XMAX= 1.60000000E+02 YMAX= 1.19999945E-01 */ /* XMIN= 0.00000000E+00 YMIN= 0.00000000E+00 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; DATA'1' DATA'15' DELTA-DATA'15' (UNIT'2') (NODIM) (NODIM) 26.88 4.34E-02 4.46E-03 27.31 5.62E-02 4.25E-03 28.59 6.38E-02 5.53E-03 40.96 7.45E-02 4.68E-03 43.09 4.72E-02 7.87E-03 43.95 1.09E-01 7.87E-03 56.32 8.85E-02 5.53E-03 58.03 9.57E-02 8.51E-03 70.40 6.79E-02 5.31E-03 72.96 9.23E-02 7.23E-03 82.35 9.11E-02 8.51E-03 86.19 7.21E-02 5.10E-03 90.88 9.36E-02 5.10E-03 101.12 8.09E-02 8.08E-03 104.96 5.91E-02 3.82E-03 110.93 7.09E-02 4.89E-03 120.75 1.09E-01 6.80E-03 124.16 7.47E-02 5.53E-03 130.99 6.89E-02 XXXXXXXX 140.80 6.13E-02 3.61E-03 142.51 1.98E-02 XXXXXXXX 148.91 1.83E-02 XXXXXXXX 158.29 4.68E-03 XXXXXXXX 161.71 2.98E-03 XXXXXXXX \END; /*===================================================================*/ |