Abstract

Abstract This paper considers the rate of beam phase space growth and beam losses caused by thin internal targets in light ion storage rings without beam cooling. The analysis of transverse emittance growth and beam losses by small angle Coulomb scattering is recapitulated. The formalism is extended to analyze the effects of transverse and longitudinal emittance growth by energy loss fluctuations. All target effects can be parametrized by two quantities, the mean square values θ rms 2 and δ rms 2 of the small angle scattering and relative momentum straggling per target traversal. This paper presents simple expressions for the transverse and longitudinal emittance growth, the beam survival probability and the quantities θ rms 2 and δ rms 2 .

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