Experimental data on
fusion
elastic scattering
evaporation residue

Experimental data on elastic scattering

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9Be + 9Be,   Elab=45 MeV

A.R.Omar, J.S.Eck, J.R.Leigh, T.R.Ophel,
Physical Review, C30 (1984) 896
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Comments
Beam quality: no data
Target: A self-supporting Be9 foil of thickness ~100 μg/cm2 with a small amount of gold evaporated onto it.
Data obtained: exported from EXFOR
(By authors) The relative normalization was obtained using the yield of elastically scattered Be-9 from Au-197 recorder by a monitor detector which was placed at 19-degree. Absolute normalization is obtained by normalizing the yields obtained at two or three of the most forward angles (4.5, 6 and 7.5-degree) to the theoretical cross sections obtained from optical model calculations. Normalization procedure plus the statistical counting error, especially at backward angles is approx. 15% in the result at these angles.  

 
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Θcm (deg)dσ/dΩ (mb/sr)error (%)+δσ-δσ
16.82 2970 5 148.5 148.5
19.83 622 5 31.1 31.1
22.51 422 5 21.1 21.1
25.63 270 5 13.5 13.5
28.91 81 5 4.05 4.05
31.24 16 5 0.8 0.8
34.43 19.2 5 0.96 0.96
37.39 25.7 5 1.285 1.285
40.28 14 5 0.7 0.7
43.79 4.78 5 0.239 0.239
45.94 1.51 5 0.0755 0.0755
46.89 2.27 5 0.1135 0.1135
49.65 3.8 11 0.418 0.418
52.59 4 10 0.4 0.4
55.94 2.33 5 0.1165 0.1165
58.35 1.08 5 0.054 0.054
61.47 0.69 7 0.0483 0.0483
64.19 0.72 10 0.072 0.072
67.8 0.61 7 0.0427 0.0427
70.94 0.49 8 0.0392 0.0392