/*===================================================================*/ /* NRDF D1748 Data No.37 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,37; 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,37; /* 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=144SM(7LI,T,ALPHA)144SM; PHQ=ENGY-SPEC; THK-TGT=3.3MG/CM**2; INC-ENGY-LAB=42MEV; ANL=(X'127',SEMICL-MODEL'128'); /* '127' first-order perturbation theory */ /* '128' time-dependent Schroedinger equation assuming classical trajectory of 7Li system in the Coulomb field of the target /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,37; INC-ENGY-LAB=42MEV; EMT-1=T; EMT-2=ALPHA; RSD=144SM; THTL-1=40DEG; THTL-2=40DEG; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY-EMT'129' DSIGMA/DOMEGA/DOMEGA/DE'130' DELTA-DSIGMA/DOMEGA/DOMEGA/DE'130' (MEV) (UB/SR**2/KEV) (UB/SR**2/KEV) -0.05 0.000275 +-0.01375 0.05 0.0003996 +-0.01489 0.1 0.00089 +-0.03925 0.15 0.002288 +-0.06055 0.2 0.006732 +-0.1006 0.25 0.008334 +-0.1366 0.3 0.0221 +-0.2349 0.35 0.03632 +-0.3114 0.4 0.03174 +-0.3113 0.45 0.03168 +-0.3302 0.5 0.04046 +-0.3968 \END; /*===================================================================*/ |