/* <<<<< D159 S34 >>>>> */ /* 2005-04-19 N.OTUKA JAP replaced by JPN */ \\BIB,1,2,3; D#=D159; TITLE=/CROSS SECTIONS AND REACTION MECHANISMS OF(P,PXN) REACTIONS ON 208PB IN THE 24-52 MEV RANGE/; PURPOSE=/TO EXPLAIN THESE REACTIONS IN TERMS OF THE CLEAN KNOCKOUT MECHANISM (P,PN) AND THE KNOCKOUT OF ONE NEUTRON FOLLOWED BY EVAPORATION OF ANOTHER (P,P2N), AND TO DEDUCE A THESRETICAL FORMULA FOR THEM/; ATH=(H.KAWAKAMI'1',M.KOIKE'1',K.KOMURA'1',M.SAKAI'1',N.YOSHIKAWA'1'); INST-ATH=(2JPNINS'1'); REF=NP/A; VLP=262(1976)52; RCTS=(208PB(P,P,N)207PB,208PB(P,P,2*N)206PB); \\EXP,1,3; RCT=208PB(P,P,N)207PB; ENR=99.9%; CHM=ELM; THK-TGT=8.3MG/CM**2; BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(SYNCYC); INST-ACC=2JPNINS; INC-ENGY-RANGE=(24MEV,28MEV,36MEV,44MEV,52MEV); DELTA-INC-ENGY=XKEV; ERS-PRJ=XKEV; BEAM-INTNSTY=[0.001UA; POL-PRJ=NO; DET-PARTCL=(GAMMA); DET-SYS=(GE); SOLID-ANGL=XMSR; ERS-DET=[2.5KEV; ANL=(X'A'); /* A SEE COMMENTS ON DATA TABLE */ PHQ=(XSECTN,EXC-FUNCT,TOT-RCT-XSECTN); \\EXP,2,3; RCT=208PB(P,P,2*N)206PB; ENR=99.9%; THK-TGT=8.3MG/CM**2; BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(SYNCYC); INST-ACC=2JPNINS; INC-ENGY-RANGE=(24MEV,28MEV,36MEV,44MEV,52MEV); DELTA-INC-ENGY=XKEV; ERS-PRJ=XKEV; BEAM-INTNSTY=[0.001UA; POL-PRJ=NO; DET-PARTCL=(GAMMA); DET-SYS=(GE); SOLID-ANGL=XMSR; ERS-DET=[2.5KEV; ANL=(X'A'); /* A SEE COMMENTS ON DATA TABLE */ PHQ=(XSECTN,EXC-FUNCT,TOT-RCT-XSECTN); \\DATA,1; EXC-ENGY=1.623MEV; DELTA-EXC-ENGY=XKEV; J-PI=13/2+; \DATA; INC-ENGY EXC-ENGY SIGMA DELTA-SIGMA (MEV) (MEV) (MB) (MB) 24 X 21 4 28 X 45 9 36 X 58 12 44 X 58 12 52 X 65 13 \END; \\DATA,2; EXC-ENGY=2.2MEV; DELTA-EXC-ENGY=XKEV; J-PI=7-; \DATA; INC-ENGY EXC-ENGY SIGMA DELTA-SIGMA (MEV) (MEV) (MB) (MB) 24 X 2 1 28 X 8 3 36 X 34 11 44 X 57 18 52 X 57 18 \END; \\DATA,3; \DATA; DATA1'1' DATA2'2' DATA3'3' DATA4'4' DATA5'5' FLAG (FM) (MEV) (FM) (NODIM) (NODIM) (NODIM) 9.7 8.0 0.17 1.52 0 'A' 9.7 8.0 0.17 1.35 1 'B' \END; /* A NEW THEORETICAL FORMULA, DSIGMA (EIN)=DR/EIN*(RO*HWO*LN (1+EXP(2*PI*(EOUT-EO)/HWO))+PI*RO*EO*(1+EXP(-2*PI*(EOUT-EO)/HWO))**(-1) , EIN IS INCOMING PROTON ENERGY, EOUT IS OUTGOING PROTON ENERGY, EO IS HEIGHT OF COULOMB BARRIER, EIN=EOUT+A1*S1+A2*S2, S1 AND S2 ARE NEUTRON SEPARATION ENERGY */ /* '1'DATA1 IS RO */ /* '2'DATA2 IS HWO */ /* '3'DATA3 IS DR */ /* '4'DATA4 IS A1 */ /* '5'DATA5 IS A2 */ /* 'A'(P,PN) */ /* 'B'(P,P2N) */ \\END;