/*===================================================================*/ /* NRDF D1748 Data No.24 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,24; D#=D1748; TITLE=/Coulomb breakup of 7Li for nuclear astrophysics/; ATH=(Y.TOKIMOTO'1', H.UTSUNOMIYA'1', T.YAMAGATA'1', M.OHTA'1', Y.W.LUI'2', R.P.SCHMITT'2', S.TYPEL'3', Y.AOKI'4', K.IEKI'5', K.KATORI'6'); INST-ATH=(2JPNKON'1', 1USATAM'2', 2GERMUU'3', 2JPNTSU'4', 2JPNYOK'5', 2JPNIPC'6'); /* '1' Department of Physics */ /* '2' Cyclotron Institute */ /* '3' Sektion Physik */ /* '4' Institute of Physics */ /* '5' Department of Physics */ REF=PR/C; VLP=63(2001)035801; RCTS=(90ZR(7LI,T,ALPHA)90ZR, 197AU(7LI,T,ALPHA)197AU, 27AL(7LI,T,ALPHA)27AL, 58NI(7LI,T,ALPHA)58NI, 120SN(7LI,T,ALPHA)120SN, 144SM(7LI,T,ALPHA)144SM, 169TM(7LI,T,ALPHA)169TM, 208PB(7LI,T,ALPHA)208PB, 64ZN(7LI,T,ALPHA)64ZN, 3H(ALPHA,GAMMA)7LI); PHQS=(ENGY-SPEC, ANGL-DSTRN, XSECTN-RATIO'7', ASTR-SFCTR); /* '7' the ratio of the forward-going alpha events to the backward-going alpha events of the energy integrated cross sections for the breakup of 42MeV 7Li */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,24; /* 2002-10-31 : Compiled */ RTY=DIRECT-RCT'8'; /* '8' Elastic breakup reaction */ ENR=NAT; PHYS-FORM=SLD; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=VDGT; INST-ACC=2JPNTSU; BEAM-INTNSTY=30[300NA; POL-PRJ=0%; DET-PARTCL=(T,ALPHA); COINC=(T,ALPHA); ANT-COINC=NO; DET-SYS=(MAG'9',PROP-CNTR'10',SCT'11'); /* '9' To detect both alpha particles and tritons from breakup of 7Li */ /* '10' To detect alpha particles and tritons */ /* '11' Plastic scintillator */ SOLID-ANGL=2.74MSR'12'; /* '12' Pairs of the breakup fragments emitted into the above solid angle were momentum-analyzed according to their magnetic rigidity and focused at different positions along the focal plane. */ ERS-DET=XKEV'13'; /* '13' 218 keV for alpha 173 keV for triton */ RCT=64ZN(7LI,T,ALPHA)64ZN; PHQ=ENGY-SPEC; THK-TGT=3.9MG/CM**2; INC-ENGY-LAB=42MEV; ANL=(X'75',SEMICL-MODEL'76'); /* '75' first-order perturbation theory */ /* '76' time-dependent Schroedinger equation assuming classical trajectory of 7Li system in the Coulomb field of the target */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,24; INC-ENGY-LAB=42MEV; EMT-1=T; EMT-2=ALPHA; RSD=64ZN; THTL-1=20DEG; THTL-2=20DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT'77' DSIGMA/DOMEGA/DOMEGA/DE'78' DELTA-DSIGMA/DOMEGA/DOMEGA/DE'78' (MEV) (UB/SR**2/KEV) (UB/SR**2/KEV) -0.5 0.01929 +-0.418 -0.45 0.015056 +-0.3567 -0.4 0.017038 +-0.3666 -0.35 0.0098 +-0.2829 -0.3 0.012706 +-0.2911 -0.25 0.00457 +-0.2137 -0.2 0.010832 +-0.2211 -0.15 -0.0013444 +-0.1164 -0.1 0.005176 +-0.11 -0.05 0.001326 +-0.05761 0 -8.246e-05 +-0.003694 0.05 0.00018362 +-0.05432 0.1 0.0008196 +-0.1004 0.15 0.001897 +-0.1378 0.2 0.015928 +-0.2408 0.25 0.013598 +-0.2397 0.3 0.02288 +-0.3113 0.35 0.01623 +-0.3381 0.4 0.03706 +-0.4294 0.45 0.03422 +-0.4847 0.5 0.04948 +-0.5791 \END; /*===================================================================*/ |