/*===================================================================*/ /* NRDF D0163 Data No.5 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,5; D#=D163; TITLE=/DEEPLY BOUND HOLE STATES AND ISOBARIC ANALOG STATES OBSERVED BY NEUTRON PICKUP REACTIONS ON EVEN TIN ISOTOPES/; ATH=(M.SEKIGUCHI'1',Y.SHIDA'1',F.SOGA'1',Y.HIRAO'1',M.SAKAI'1'); INST-ATH=(2JPNINS'1'); REF=NP/A; VLP=278(1977)231; RCTS=(116SN(3HE,ALPHA)115SN,118SN(3HE,ALPHA)117SN, 120SN(3HE,ALPHA)119SN,124SN(3HE,ALPHA)123SN, 116SN(P,D)115SN, 118SN(P,D)117SN, 120SN(P,D)117SN, 120SN(P,D)119SN, 122SN(P,D)121SN,124SN(P,D)123SN); /* '11' TO '31' ARE COMMENTS ON DATA HEADINGS' */ /* '11': YARGET ISOSPIN*/ /* '12': C2SN BY SEPARATION ENERGY METHOD */ /* '13': (2T0+1)C2SN BY SEPARATION ENERGY METHOD */ /* '14': C2SN BY COUPLED CHANNEL METHOD */ /* '15': (2T0+1)C2SN BY COUPLED CHANNEL METHOD*/ /* '21': VALUES FROM PHYS.REV.C3(1971)1168 EXC-ENGY FOR RSD OF SN */ /* '22': EXC-ENGY FOR RSD OF IN*/ /* '23': NUCL.DATA A9(1971)267 HASBEEN USED TO DEDUCE*/ /* '31': MAX-DSIGMA/DOMEGA VALUE AT MAXMUM AROUND 24 OF DWBA CURVE AFTER NORMARIZATION TO DATA FROM THE (P,D) REACTION */ /* IN THE COSE OF COUPLED-CHANNEL CALCULATION,AN ISOSPIN-DEPENDENT POTENTIAL OF THE FORM (T.T)U1 IS ADDED TO THE BINDING POTENTIAL WITH U1=-4V1'/A*(D/DR:F(XR)),F(X)=(1+E**X)**(-1),XR=(R-RR*A**(1/3))/AR, GAMMA R=1.25 GAMMA R=0.65,V1'=225MEV */ /* DWBA CALCULATIONS WERE CATTIED OUT WITH THE CODE DWUCK AND THE TOSBAC-3400 */ /* THE COUPLED-CHANNEL CALCULATIONS WERE CARRIED OUT WITH CODE SUMIT AND SYBER 74-16 AT THE UNIVERSITY OF GRONIGEN */ /* IN THE CASED OS DWBA AND C-C CALCULATIONS,NORMALIZATION FACTOR N=2.33 WAS USED.*/ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,5; BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(SYNCYC); INST-ACC=2JPNINS; INC-ENGY-RANGE=(81.0MEV); DELTA-INC-ENGY=XKEV; POL-PRJ=NO; DET-PARTCL=(ALPHA); DET-SYS=(MAG,PROP-CNTR'1'); /* '1' BACKED WITH SCINTILLATION COUNTERS */ SOLID-ANGL=XMSR; ERS-DET=330KEV; ANL=(DWBA'1',SHELL-MODEL); /* CODE DWUCK */ PHQ=(EXC-FUNCT,ANGL-DSTRN,PART-WDTH,IAS,OPT-POTL-PARA,SPEC-FCTR); RCT=118SN(3HE,ALPHA)117SN; ENR=95%; CHM=ELM; THK-TGT=5.9MG/CM**2; BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,5; PRJ=ALPHA; TGT=117SN; POTL-FORM=/ -(V*F(XR)+I*(WV*F(XIV)-4*WS*DIF(1!XIS)WG*G(XIG)))+(HBAR/(MPI*C))**2* 1/R*(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 RAIDUS RC*A**(1/3):/; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY V RR AR WV RIV AIV RC (MEV) (MEV) (FM) (FM) (MEV) (FM) (FM) (FM) X 266.4 1.28 0.622 24.1 1.62 0.433 1.11 '1' X 200.0 1.25 0.669 102.9 1.25 0.669 1.40 '2' /* '1','2'; TWO SETS GIVE GOOD FITS */ /* SEE NUCL.DATA TABLES A10(1972),539;A13(1974),293 */ \END; /*===================================================================*/ |