4 He + 10 B, Elab =32 MeV F. zu Bentheim, P. David, J. Debrus, F. Hinterberger, R. Jahn, F. Liibke, H. Mommsen, R. Schoenmackers, B. Schtiller,Zeitschrift fur Physik, A279 (1976) 163-168 (access to the source may be restricted by owner!)
CommentsBeam quality: no data Target: The self supporting 10 B target had a thickness of about 100 mcg/cm2 . Data obtained: authors graph The alpha-particles were accelerated by the energy variable Bonn Isochronous Cyclotron. Absolute cross sections were determined with an accuracy of 15-20%.
Θcm (deg) σ/σR (ratio) error (%) +δσ -δσ 36.29 1.8747 10 0.18747 0.18747 42.63 1.0673 10 0.10673 0.10673 48.24 2.0041 10 0.20041 0.20041 54.28 2.9994 10 0.29994 0.29994 59.78 2.8875 10 0.28875 0.28875 68.75 2.9819 10 0.29819 0.29819 75.05 5.8016 10 0.58016 0.58016 81.28 6.839 10 0.6839 0.6839 87.23 5.8424 10 0.58424 0.58424 92.97 5.8289 10 0.58289 0.58289 98.95 6.3971 10 0.63971 0.63971 102 7.826 10 0.7826 0.7826 108.2 8.3857 10 0.83857 0.83857 113.5 10.249 10 1.0249 1.0249 119.5 10.103 10 1.0103 1.0103 122.7 11.234 10 1.1234 1.1234 129.1 12.475 10 1.2475 1.2475 131.9 16.592 10 1.6592 1.6592 134.7 19.821 10 1.9821 1.9821 140.9 20.009 10 2.0009 2.0009 143.7 21.988 10 2.1988 2.1988 146.7 28.552 10 2.8552 2.8552 153 38.378 10 3.8378 3.8378 156.2 46.389 10 4.6389 4.6389 159 51.589 10 5.1589 5.1589 161.5 43.092 10 4.3092 4.3092 164.9 39.585 10 3.9585 3.9585 167.7 34.678 10 3.4678 3.4678 170.7 35.473 10 3.5473 3.5473