/*===================================================================*/ /* NRDF D0213 Data No.12 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,12; D#=D213; TITLE=/EXPERIMENTAL AND THEORETICAL STUDIES OF POSITIVE PION PRODUCTION ON 10B AND 40CA BY 163-186 MEV PROTONS/; PURPOSE=/TO STUDY THE (P,PION) REACTION IN THE ENERGY INTERVAL 163-186MEV ON THE TARGET NUCLEI 10B AND 40CA LEADING TO THE GROUND STATE AND FIRST EXCITED STATE IN 11B AND TO THE GROUND STATE IN 41CA. THE EXPERIMENTAL DATA ARE COMPARED WITH CALCULATIONS IN THE ONE NUCLEON MODEL./; ATH=(B.HOISTAD'1',S.DAHLGREN'1',T.JOHANSSON'1',O.JONSSON'1'); INST-ATH=(2SWDSWD'1'); /*@6@*/ REF=NP/A; VLP=319(1979)409; RCTS=(10B(P,PIP)11B,40CA(P,PIP)41CA); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,12; ACC=SYNCYC; INST-ACC=X; INC-ENGY-LAB-RANGE=163MEV(XMEV)186MEV; DELTA-INC-ENGY=XKEV; ERS-PRJ=X%; BEAM-INTNSTY=XUA; POL-PRJ=NO; DET-PARTCL=(PIP); DET-SYS=(7AG+X'1'); /*@3@*/ ERS-DET=(700KEV'1',900KEV'2',1300KEV'3'); /*@4@*/ ANL=(PWBA,DWBA); PHQ=(XSETN'1',ANGL-DSTRN,DSIGMA/DOMEGA,EX-ENGY,SPIN,PTY); /*@5@*/ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,12; PRJ=P; TGT=40CA; INC-ENGY-LAB=[180MEV; POTL-FORM=/-(V*F(XR)+I*(WV*F(XIV)-4*WS*DIF(1/XIS)F(XIS)+WG*G(XG)))+ (HBAR/(MPI*C))**2*1/RSO*(VSO*DIF(1/R)F(XRSO)+I*WSO*DIF(1/R) F(XISO))*SIGMA*L+UC(R): F(XI)=1(1+EXP(-XI)): G(XG)=EXP(-XG**2): XI=(R-RI*A**(1/3))/AI: UNIFORM CHARGE OF RADIUS RC*A**(1/3)/; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; V RR AR WV RIV AIV VSO RRSO ARSO WSO RISO AISO RC (MEV) (FM) (FM) (MEV) (FM) (FM) (MEV) (FM) (FM) (MEV) (FM) (FM) (FM) -15.0 1.14 0.36 -10.0 1.44 0.386 -4.42 1.03 0.821 0.38 X X 1.30 -18.7 1.24 0.723 -15.3 1.25 0.600 -2.30 1.02 0.546 2.81 X X 1.30 -19.9 1.24 0.691 -8.0 1.51 0.519 -3.28 1.09 0.572 1.71 X X 1.30 \END; /*===================================================================*/ |