/*===================================================================*/ /* NRDF D0327 Data No.14 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,14; 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,14; 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@*/ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,14; INC-ENGY-LAB=11.5GEV; /*@69@*/ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; A Z DATA1'11' DATA1-ERR DATA2'12' DATA2-ERR DATA3'13' DATA3-ERR DATA4'14' DATA4-ERR (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) (NODIM) (UNIT'2') (UNIT'2') 128 56'4' 0.052 0.014 -0.207 0.029 1.12 0.02 0.022 0.006 131 57'4' 0.049 0.041 -0.091 0.137 1.11 0.07 0.021 0.018 131 56'4' 0.057 0.016 -0.188 0.040 1.13 0.03 0.024 0.007 131 56'5' 0.066 0.038 -0.327 0.108 1.16 0.07 0.031 0.018 135 56'5' 0.033 0.021 -0.114 0.200 1.07 0.04 0.029 0.019 140 56'4' 0.000 0.015 -0.197 0.028 1.00 0.02 0.000 0.016 \END; /*===================================================================*/ |