/*===================================================================*/ /* NRDF D1944 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; 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,4; /* 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,4; 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=-4.43MEV; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'14' (DEG) (MB/SR) (MB/SR) 20.6 18.59 +-0.26 21.9 20.81 +-0.85 24.0 14.75 +-0.21 26.0 11.24 +-0.46 27.4 8.94 +-0.20 30.7 4.94 +-0.22 34.1 4.06 +-0.16 37.5 10.22 +-0.29 40.8 13.02 +-0.20 42.1 14.71 +-0.29 44.12 13.73 +-0.20 47.4 15.27 +-0.22 50.7 12.40 +-0.20 53.9 10.91 +-0.19 57.2 6.68 +-0.15 60.4 7.37 +-0.16 66.7 12.67 +-0.20 69.8 14.70 +-0.21 72.9 14.56 +-0.23 75.9 11.86 +-0.20 78.9 7.29 +-0.16 84.9 4.02 +-0.13 87.8 9.71 +-0.20 90.6 18.61 +-0.27 93.4 26.12 +-0.32 96.2 28.45 +-0.34 99.0 25.73 +-0.34 101.7 19.97 +-0.30 104.3 12.23 +-0.25 106.9 8.18 +-0.21 109.5 7.47 +-0.22 112.0 11.66 +-0.12 114.5 17.98 +-0.15 116.9 22.89 +-0.18 119.3 26.91 +-0.20 121.7 21.12 +-0.22 \END; /*===================================================================*/ |