Current and future uses of accelerators in particle astrophysics

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Abstract
Beams of artificially accelerated heavy ions, p, p̄, e− and e+ currently available at (and planned for) numerous facilities around the world are a valuable resource to the Cosmic Ray community. Such beams have been used to test detector concepts, calibrate balloon‐borne and space flight experiments and to measure fundamental nuclear physics parameters necessary for the interpretation of Cosmic Ray data. As new experiments are flown the quality and extent of Cosmic Ray measurements will continue to improve. It will be necessary to increase activity at ground based accelerators in order to test/calibrate these new instruments and to maintain (or possibly improve) our ability to interpret these data. In this area, the newly formed Transport Collaboration, supported by NASA, will be providing new nuclear interaction cross section measurements for beams with Z≤58 and supporting new instrument calibrations at the Lawrence Berkeley Laboratory Bevalac accelerator.

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