Experimental data on
fusion
elastic scattering
evaporation residue

Experimental data on elastic scattering

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40Ar + 208Pb,   Elab=302 MeV

Yu.Ts.Oganessian, Yu.E.Penionzhkevich, V.I. Manko, V.N. Polyansky,
Nuclear Physics, A303 (1978) 259
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Comments
Beam quality: no data
Target: The target of 200 μg/cm3 thick was made by vacuum evaporation of 208Pb (enriched to 98.3 %) onto a 30 μg/cm2 carbon backing
Data obtained: author graph (digitized with GSYS 2.4)
The experiments were carried out at the 300 cm heavy ion cyclotron of the JINR Laboratory of Nuclear Reactions. The ions scattered on the target were recorded by a silicon surface-barrier detector having a resolution of 30 keV for the detection of 5.1 MeV a-particles. The detector had a 0.8 x 10 mmZ vertical slit and was located at a distance of 10.5 cm from the target centre. Thus the slit located at the entrance of the detector corresponded to 0.5° and 1.5° intervals in the reaction plane and in the plane perpendicular to the reaction plane, respectively . The angular resolution of the detector was not worse than 1°, and the positioning error did not exceed ±0.2°. Thebeam monitoring was furnished by a second detector positioned at 20° with respect to the beam direction. 

 
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Θcm (deg)σ/σR (ratio)error (%)+δσ-δσ
17.92 0.8642 8.225 0.07108 0.07108
23.78 1.025 8.234 0.08439 0.08439
29.62 1.024 8.228 0.08425 0.08425
35.46 1.038 8.219 0.08531 0.08531
41.55 1.037 9.52 0.09872 0.09872
44.48 1.303 8.22 0.1071 0.1071
47.64 1.097 8.22 0.09017 0.09017
51.26 0.5596 14.564 0.0815 0.0815
51.97 0.3539 14.55 0.05149 0.05149
54.86 0.1885 22.701 0.04279 0.04279
58.44 0.03431 35.821 0.01229 0.01229
63.21 0.004122 22.718 0.0009364 0.0009364
68.98 0.0007718 32.042 0.0002473 0.0002473