1990•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access

Formulas for the Twiss beam parameters for a matched beam at the entrance to a linac

G.R. Swain

Abstract

Formulas for a transversely-matched beam are derived in terms of the r-matrix representation of accelerating and focusing elements in the first period of a linac structure. The formulas predict beam parameters close to the values actually used in tuning the LAMPF 805 MHz linac, and give reasonable-looking results in the other cases for which they have been applied.

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Key concepts: Linear particle accelerator, Beam (structure), Physics, Optics, Representation (politics), Law, Political science, Politics