12 C + 12 C, EE/A =20 MeV H.G. Bohlen, X.S. Chen, J.G. Cramer, P. Frobrich, B. Gebauer, H. Lettau, A. Miczaika, W. von Oertzen, R. Ulrich, T. Wilpert,Zeitschrift fur Physik, A322 (1985) 241-261 (access to the source may be restricted by owner!)
CommentsBeam quality: no data Target: The 12 C-targets of 100-500 mcg/cm2 thickness was used. Data obtained: author's graph Beams of 12 C and 13 C at 20 MeV/u have been used at the VICKSI accelerator. A total error of 5% is estimated for the absolute cross section.
Θcm (deg) σ/σR (ratio) error (%) +δσ -δσ 6.066 0.13343 4.999 0.00667 0.00667 6.802 0.1949 5.003 0.00975 0.00975 7.371 0.28417 5.001 0.01421 0.01421 7.547 0.39223 5 0.01961 0.01961 7.846 0.4816 5 0.02408 0.02408 8.346 0.51574 5.001 0.02579 0.02579 8.796 0.54397 5.001 0.0272 0.0272 9.148 0.46024 5 0.02301 0.02301 9.501 0.37488 4.999 0.01874 0.01874 9.905 0.2431 5.003 0.01216 0.01216 10.26 0.16128 4.998 0.00806 0.00806 10.66 0.09052 10.385 0.0094 0.0094 11.17 0.06051 10.776 0.00652 0.00652 11.52 0.08202 4.999 0.0041 0.0041 11.81 0.14839 5.001 0.00742 0.00742 12.11 0.2105 5.003 0.01053 0.01053 12.56 0.27467 4.999 0.01373 0.01373 12.86 0.35569 4.999 0.01778 0.01778 13.31 0.37802 5 0.0189 0.0189 13.66 0.34254 5.001 0.01713 0.01713 14.16 0.30099 5.001 0.01505 0.01505 14.46 0.26858 5.001 0.01343 0.01343 14.66 0.23247 4.999 0.01162 0.01162 14.91 0.20276 5.001 0.01014 0.01014 15.22 0.17418 5.001 0.00871 0.00871 15.67 0.13149 4.997 0.00657 0.00657 15.87 0.10549 4.996 0.00527 0.00527 16.27 0.08527 4.996 0.00426 0.00426 16.62 0.09778 5.002 0.00489 0.00489 17.22 0.11647 4.997 0.00582 0.00582 17.62 0.1441 5.004 0.00721 0.00721 17.97 0.17034 5.002 0.00852 0.00852 18.32 0.20757 5.001 0.01038 0.01038 18.82 0.21274 5.002 0.01064 0.01064 19.17 0.19095 5.002 0.00955 0.00955 19.82 0.177 5 0.00885 0.00885 20.33 0.13362 5 0.00668 0.00668 20.63 0.11923 4.999 0.00596 0.00596 21.43 0.09002 14.664 0.0132 0.0132 21.78 0.07911 10.77 0.00852 0.00852 22.23 0.08281 5 0.00414 0.00414 22.63 0.09073 5.004 0.00454 0.00454 24.09 0.07678 8.714 0.00669 0.00669 24.79 0.07737 10.095 0.00781 0.00781 25.49 0.07977 10.781 0.0086 0.0086 25.64 0.06303 10.392 0.00655 0.00655 26.49 0.05293 5.007 0.00265 0.00265 27.25 0.04247 4.992 0.00212 0.00212 27.5 0.0362 8.73 0.00316 0.00316 27.85 0.04027 4.992 0.00201 0.00201 28.45 0.04284 4.996 0.00214 0.00214 29.15 0.04285 9.499 0.00407 0.00407 29.4 0.05216 8.014 0.00418 0.00418 29.85 0.04984 6.622 0.0033 0.0033 30.4 0.04516 11.227 0.00507 0.00507 30.8 0.04154 10.785 0.00448 0.00448 31.4 0.0388 10.774 0.00418 0.00418 31.85 0.04382 13.784 0.00604 0.00604 32.31 0.02777 16.025 0.00445 0.00445 33.06 0.02654 17.295 0.00459 0.00459 33.91 0.01958 12.105 0.00237 0.00237 34.82 0.019 12.948 0.00246 0.00246 35.77 0.02114 11.211 0.00237 0.00237 36.42 0.01989 9.402 0.00187 0.00187 37.12 0.0183 14.645 0.00268 0.00268 37.92 0.01502 18.176 0.00273 0.00273 38.73 0.0116 10.087 0.00117 0.00117 39.48 0.01084 12.823 0.00139 0.00139 40.33 0.01005 16.02 0.00161 0.00161 40.88 0.00844 16.707 0.00141 0.00141 41.63 0.0099 15.556 0.00154 0.00154 42.48 0.00939 14.058 0.00132 0.00132 43.34 0.00714 17.367 0.00124 0.00124 45.14 0.00748 14.038 0.00105 0.00105 46.84 0.00968 14.773 0.00143 0.00143 48.14 0.01006 19.782 0.00199 0.00199 49.7 0.00765 16.079 0.00123 0.00123 51.2 0.00858 19.231 0.00165 0.00165 52.85 0.00561 29.947 0.00168 0.00168