Kinematic Method for Determination of Accelerator Beam Energies

Abstract
A method for determination of accelerator beam energies using hybrid targets is described. A target consisting of a homogeneous mixture of reference nuclei having well‐known excited states and projectile nuclei is used. Determination of the ``crossover'' angle at which recoil projectile particles and inelastically scattered particles from reference nuclei produce equal pulse heights is shown to provide a beam energy measurement. No special apparatus is required. The method is applicable over a wide range of energies. An alternative related measurement using other hybrid targets is discussed briefly.

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