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| /*===================================================================*/
/* NRDF D1945 Data No.7 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,7;
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,7;
/* 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=30.0MEV;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,7;
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=30.0MEV;
DELTA-THTL=0.2DEG;
QVL=0MEV;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'15'
(DEG) (MB/SR) (MB/SR)
26.5 238.6 +-2.00
29.8 242.4 +-2.03
32.5 180.3 +-1.74
33.1 164.9 +-1.68
39.6 27.40 +-0.70
42.7 27.77 +-0.59
46.0 39.57 +-0.67
49.2 44.06 +-0.62
52.4 32.50 +-0.53
55.5 16.68 +-0.37
58.6 12.47 +-0.33
59.8 11.75 +-0.32
61.6 11.72 +-0.32
62.3 12.74 +-0.33
64.8 13.12 +-0.35
66.0 15.80 +-0.37
67.8 13.77 +-0.21
68.4 14.38 +-0.36
69.6 14.19 +-0.36
70.8 12.43 +-0.34
72.0 12.64 +-0.36
73.8 14.58 +-0.37
74.4 15.50 +-0.38
76.8 19.40 +-0.43
79.7 23.82 +-0.49
82.6 25.96 +-0.53
85.2 22.36 +-0.48
88.2 17.59 +-0.43
90.9 10.30 +-0.43
93.8 8.83 +-0.31
96.5 13.38 +-0.39
99.2 20.16 +-0.49
101.8 25.94 +-0.56
104.4 28.43 +-0.61
107.0 23.67 +-0.56
109.5 16.85 +-0.48
114.4 5.54 +-0.30
\END;
/*===================================================================*/
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