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We study the reaction cross sections(σR) and root-mean-square(RMS) radii of 8Li and 8B,the halo-like nuclei,with stable target 12C,27Al and 9Be within the standard optical-limit Glauber model,using densities obtained from relativistic mean-field(RMF) formalisms and other types of distributions.It is found that the experimental σR can be reproduced well at high energy.The RMS radius and △r extracted by RMFtheory and harmonic oscillator distribution are compared.We find that the RMS radius and △r of 8B are larger than those of 8Li.In addition,we analyze in detail the relationship between σR and density distribution.
We study the reaction cross sections (σR) and root-mean-square (RMS) radii of 8Li and 8B, the halo-like nuclei, with stable targets 12C, 27Al and 9Be within the standard optical-limit Glauber model, using densities From relativistic mean-field (RMF) formalisms and other types of distributions.It is found that the experimental σR can be reproduced well at high energy.The RMS radius and Δr extracted by RMFtheory and harmonic oscillator distribution are compared.We find that the RMS radius and Δr of 8B are larger than those of 8Li. Addition, we analyze in detail the relationship between σR and density distribution.