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Neutron-nucleus total cross sections at 5.7 GeV/c
Parker, Everette Francis; Dobrowolski, T.; Gustafson, H. R.; Jones, Lawrence W.; Longo, Michael J.; Ringia, F. E.; Cork, Bruce
1970-02-16
Citation:Parker, E. F., Dobrowolski, T., Gustafson, H. R., Jones, L. W., Longo, M. J., Ringia, F. E., Cork, B. (1970/02/16)."Neutron-nucleus total cross sections at 5.7 GeV/c." Physics Letters B 31(4): 250-252. <http://hdl.handle.net/2027.42/32800>
Abstract: The neutron total cross sections for He, Be, C, Al, Fe, Cu, Cd, W, Pb and U have been measured to an accuracy of 2% at 5.7 +/- 0.6 GeV/c. The total cross section versus atomic weight data was fit to an absorbing uniform grey sphere optical model. The best fit parameters are R = aoA1/3 where ao = 1.27 +/- 0.01 fm, and a nucleon mean free path in nuclear matter of 3.0 +/- 0.2 fm. The energy dependence of the nucleon-nucleus total cross sections is discussed in terms of the nucleon-nucleon total cross sections and a screening terms.
