/*===================================================================*/ /* NRDF D1944 Data No.9 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,9; D#=D1944; TITLE=/ Elastic and inelastic scattering of alpha particles by carbon /; ATH=(T.MIKUMO'1', H.YAMAGUCHI'1', I.NONAKA'1', M.ODERA'2', Y.HASHIMOTO'3', M.KONDO'2', T.MAKI'4'); INST-ATH=(2JPNINS'1', 2JPNTIT'2', 2JPNTOK'3', 2JPNKYU'4'); /* '3' Faculty of Science */ /* '4' Faculty of Science */ REF=JPJ; VLP=15(1960)1158; /* Secondary reference - INS-J, 60(1963) (I.Nonaka et al., Numerical data) RCTS=12C(ALPHA,ALPHA)12C; PHQS=ANGL-DSTRN; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,9; /* 2005-07-11 : Compiled, C.Kurokawa + N.Otuka */ PHQ=ANGL-DSTRN; CHM=ELM; PHYS-FORM=SLD; THK-TGT=2.38MG/CM**2'5'; /* '5' The target was prepared by the same method as that used in the course of 12C(alpha, p)15N experiment [G. Igo et al., Phys. Rev. 101(1956) 1508]. */ BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC; INST-ACC=2JPNINS; POL-PRJ=0%; DET-PARTCL=ALPHA; COINC=NO; ANT-COINC=NO; DET-SYS=(PROP-CNTR'6',CSI'6'); /* '6' To detect alpha particles */ RCT=12C(ALPHA,ALPHA)12C; RTY=INEL-SCATT; INC-ENGY-LAB=28.4MEV; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,9; SYS-ERR=(<20%'7',<1%'8',<5%'9',<10%'10'); /* '7' Maximum uncertainty due to the inhomogeneity of target foil /* '8' Maximum uncertainty due to the beam energy fluctuation */ /* '9' Maximum uncertainty due to the counting loss */ /* '10' Maximum uncertainty due to the background subtraction */ INC-ENGY-LAB=28.4MEV; DELTA-THTC=<0.15DEG; QVL=-12.7MEV; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'19' (DEG) (MB/SR) (MB/SR) 20.2 29.39 +-1.12 23.5 24.65 +-0.98 26.9 24.38 +-1.07 30.4 18.18 +-0.73 37.5 8.74 +-0.53 44.9 13.61 +-0.69 52.5 14.84 +-0.59 60.2 13.54 +-0.58 67.9 8.68 +-0.56 \END; /*===================================================================*/ |