Experimental data on
fusion
elastic scattering
evaporation residue

Experimental data on elastic scattering

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9Be + 9Be,   Elab=50 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
11.37 1790 5 89.5 89.5
14.64 520 10 52 52
17.81 532 5 26.6 26.6
20.87 178 5 8.9 8.9
23.44 39.2 5 1.9601 1.9601
26.73 12.4 8 0.992 0.992
29.72 20.9 5 1.045 1.045
32.64 18 5 0.9 0.9
35.48 5.7 5 0.285 0.285
38.09 2.08 12 0.2496 0.2496
41.52 2.88 5 0.144 0.144
44.24 3.2 5 0.16 0.16
47.59 1.92 10 0.192 0.192
50.69 1.03 5 0.0515 0.0515
53.58 0.602 5 0.0301 0.0301
56.51 0.49 10 0.049 0.049
59.44 0.46 7 0.0322 0.0322
62.78 0.277 10 0.0277 0.0277
65.48 0.227 8 0.0182 0.0182