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| /*===================================================================*/
/* NRDF D1945 Data No.12 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,12;
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,12;
/* 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=INEL-SCATT;
INC-ENGY-LAB=31.4MEV;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,12;
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=31.4MEV;
DELTA-THTL=0.2DEG;
QVL=-4.43MEV;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
THTC DSIGMA/DOMEGA DELTA-DSIGMA/DOMEGA'20'
(DEG) (MB/SR) (MB/SR)
30.6 7.88 +-0.44
34.0 4.11 +-0.34
37.3 10.55 +-0.50
40.7 22.04 +-0.71
42.0 27.60 +-0.45
44.0 29.10 +-0.47
45.3 26.50 +-0.78
47.3 22.50 +-0.42
47.9 20.95 +-0.69
50.5 12.04 +-0.54
50.6 12.40 +-0.31
53.8 8.02 +-0.25
57.0 7.84 +-0.24
60.2 9.24 +-0.27
63.2 7.51 +-0.26
66.5 4.42 +-0.25
68.5 1.97 +-0.14
72.7 3.12 +-0.17
75.7 6.97 +-0.26
78.7 11.10 +-0.31
81.6 12.35 +-0.35
84.6 9.60 +-0.32
87.5 7.26 +-0.28
90.4 7.18 +-0.29
93.1 10.24 +-0.34
96.0 15.78 +-0.44
98.7 21.30 +-0.50
101.4 20.21 +-0.50
103.9 17.33 +-0.49
106.6 14.01 +-0.46
109.2 9.63 +-0.41
111.7 8.26 +-0.32
114.1 9.04 +-0.45
116.6 16.36 +-0.33
119.0 18.53 +-0.37
123.7 16.83 +-0.38
126.0 14.61 +-0.38
128.1 13.67 +-0.37
133.4 20.46 +-0.37
134.6 20.56 +-0.46
136.6 25.28 +-0.45
138.7 23.59 +-0.43
140.7 13.90 +-0.35
142.7 12.21 +-0.35
144.6 7.39 +-0.35
146.5 8.19 +-0.34
147.7 14.50 +-0.43
150.2 21.94 +-0.53
152.0 34.61 +-0.66
153.8 49.30 +-1.01
155.5 62.56 +-0.90
157.3 104.3 +-1.12
159.0 74.70 +-1.00
160.0 77.00 +-1.02
\END;
/*===================================================================*/
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