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A Separated 1.17-Bev/c K- Meson Beam (open access)

A Separated 1.17-Bev/c K- Meson Beam

This report describes the design and testing of a 1.17-Bev/c separated K{sup -} beam designed in the fall of 1958 in connection with a 15-in. hydrogen bubble chamber experiment. At the target the K{sup -}/{pi}{sup -} ratio was 1/140. At the chamber, 4.0 K{sup -}-meson decay lengths from the target, and after two stages of electromagnetic separation, the K{sup -}/{pi}{sup -} ratio was 12.5, corresponding to a total pion suppression by a factor of about 10{sup 5}. The K{sup -} flux at the chamber was 0.87 K{sup -} mesons per 10{sup 10} protons impinging on the target.
Date: December 30, 1959
Creator: Eberhard, Phillippe; Good, Myron L. & Ticho, Harold K.
System: The UNT Digital Library