Measurements of total reaction cross sections for neutron-deficient nuclei (A<30) and investigation on possible proton halo nuclei.

Measurements of total reaction cross sections (σ[sub R]) for some proton-rich nuclei (N=10∼15 isotones) on carbon target at intermediate energies have been performed on RIBLL of HIRFL. A larger enhancement of the σ[sub R] for [sup 27]P and [sup 23]Al has been observed than for its neighboring nuclei. Density distributions for [sup 27]P have been extracted from the measured σ[sub R] data within the framework of the Glauber model. A proton halo in [sup 27]P and [sup 23]Al is demonstrated. &#169; 2002 American Institute of Physics. [ABSTRACT FROM AUTHOR]