/*===================================================================*/ /* NRDF D1945 Data No.1 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,1; D#=D1945; TITLE=/ Anomalies in the scattering of alpha particles by carbon /; ATH=(T.MIKUMO'1'); INST-ATH=(2JPNINS'1'); REF=JPJ; VLP=16(1961)1066; /* Secondary reference - INS-J, 61(1963) (I.Nonaka et al., Numerical data) RCTS=12C(ALPHA,ALPHA)12C; PHQS=ANGL-DSTRN; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,1; /* 2005-07-22 : Compiled, C.Kurokawa + N.Otuka */ PHQ=ANGL-DSTRN; CHM=ELM; PHYS-FORM=SLD; THK-TGT=1.37MG/CM**2; BAC=SELF; POL-TGT=0%; ALGN-TGT=0%; ACC=CYC; INST-ACC=2JPNINS; DELTA-INC-ENGY-LAB=1.0MEV'2'; /* '2' Absolute error in beam energy */ ERS-PRJ=0.5MEV'3'; /* '3' Relative error in beam energy */ POL-PRJ=0%; DET-PARTCL=ALPHA; COINC=NO; ANT-COINC=NO; DET-SYS=(PROP-CNTR'4',CSI'4'); /* '4' To detect alpha particle */ SOLID-ANGL=XMSR'5'; /* '5' Angular resolutions for three detectors were about 0.5 deg, 0.8 deg and 1.7 deg for extreme-forward (20 to 35 deg), forward (30 to 100 deg) and backward (85 to 150 deg) detectors, respectively. */ RCT=12C(ALPHA,ALPHA)12C; RTY=ELA-SCATT; INC-ENGY-LAB=27.0MEV; /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,1; DELTA-INC-ENGY-LAB=1.0MEV'6'; /* '6' Absolute error in beam energy */ SYS-ERR=<10%'7'; /* '7' Maximum uncertainty in target thickness */ STATIST-ERR=<20%'8'; /* '8' Ranged from less than 1% to about 20% depending on the angular position */ INC-ENGY-LAB=27.0MEV; DELTA-THTL=0.2DEG; QVL=0MEV; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'9' (DEG) (MB/SR) (MB/SR) 26.5 101.9 +-1.31 29.8 193.6 +-0.18 33.1 198.4 +-0.18 36.3 146.0 +-1.66 39.6 78.44 +-1.16 40.8 63.60 +-0.71 42.7 37.70 +-0.55 46.0 23.18 +-0.44 47.2 21.22 +-0.43 49.2 24.30 +-0.45 52.4 30.45 +-0.54 55.5 28.80 +-0.53 58.6 24.54 +-0.47 61.6 17.95 +-0.40 64.8 10.68 +-0.31 67.8 4.69 +-0.21 70.8 1.19 +-0.11 73.8 0.30 +-0.06 76.8 1.13 +-0.12 79.7 2.82 +-0.17 82.6 3.63 +-0.19 85.2 3.41 +-0.20 88.2 2.45 +-0.16 90.9 1.20 +-0.14 93.8 0.84 +-0.12 96.5 1.44 +-0.14 99.2 2.82 +-0.20 101.2 4.12 +-0.24 104.4 5.67 +-0.28 107.0 6.40 +-0.25 109.5 6.74 +-0.29 112.1 6.96 +-0.18 114.4 6.69 +-0.17 116.5 6.84 +-0.18 119.2 6.23 +-0.17 121.5 5.77 +-0.16 123.8 4.48 +-0.16 126.9 3.30 +-0.13 128.2 2.26 +-0.12 130.5 1.79 +-0.09 132.6 1.28 +-0.08 134.7 1.33 +-0.11 136.8 2.58 +-0.13 138.8 4.00 +-0.15 140.8 4.89 +-0.18 142.8 5.72 +-0.20 144.8 6.76 +-0.20 146.8 6.65 +-0.22 148.6 5.80 +-0.22 150.6 4.36 +-0.22 152.4 2.59 +-0.18 154.2 1.15 +-0.15 \END; /*===================================================================*/ |