/*===================================================================*/ /* NRDF D0218 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; D#=D218; TITLE=/EXPERIMENTAL TEST OF ONE-PION EXCHANGE AND PARTIAL CONSERVATION OF AXIAL-VECTOR CURRENT IN PROTON-NUCLEUS CHARGE-EXCHANGE REACTIONS AT 144MEV/; PURPOSE=/WE HAVE MEASURED THE DIFFERENTIAL CROSS SECTIONS OF THE (P,N) REACTION ON 6LI,12C,AND 14N TO THE GROUND STATE OF THE FINAL NUCLEUS (DELTA-J=1, DELTA-I=1,DELTA-P=0). WE TREAT THE NUCLEI AS ELEMENTARY PARTICLES, EXTRACT THE INITIAL-NUCLEUS-PION-FINAL-NUCLEUS COUPLING CONSTANTS, AND COMPARE THEM WITH PREDICTIONS BASED ON THE PARTIAL CONSERVATION OF AXIAL-VECTOR CURRENT HYPOTHESIS./; ATH=(G.L.MOAKE'1',L.J.GUTAY'1',R.P.SCHARENBERG'1',P.T.DEBEVEC'2', P.A.QUIN'3'); INST-ATH=(1USAPUR'1',1USAINU'2',1USAWIS'3'); REF=PRL; VLP=43(1979)910; RCTS=(6LI(P,N)6BE,12C(P,N)12N,14N(P,N)14O); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,4; RCT=6LI(P,N)6BE; ENR=X%; CHM=X; THK-TGT=[50MG/CM**2; BAC=X; THK-BAC=XMG/CM**2; POL-TGT=NO; ALGN-TGT=NO; ACC=(CYC); INST-ACC=1USAINU; INC-ENGY-LAB=144MEV; DELTA-INC-ENGY=XKEV; ERS-PRJ=XKEV; BEAM-INTNSTY=XUA; POL-PRJ=NO; DET-PARTCL=(N); DET-SYS=(PLST-SCT,TOF,X'1'); /*@3@*/ SOLID-ANGL=XMSR; ERS-DET=XKEV; ANL=(DWIA); PHQ=(XSECTN,ANGL-DSTRN,DSIGMA/DOMEGA); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; INC-ENGY-LAB=144MEV; THTC=0DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; DATA1'1' DSIGMA/DOMEGA (NODIM) (MB/SR) 60.9 13.1 \END; /*===================================================================*/ |