NIFS-400

FULL TEXT (PDF, 512 KB)

Author(s):

J. Uramoto

Title:

A Detection Method of Negative Pionlike Particles from a H2 Gas Descharge Plasma

Date of publication:

Feb. 1996

Key words:

negative pionlike particle pi^-, beam collector, positive ion diffusion

Abstract:

The negative pionlike particles pi^- penetrate a metal (or insulator) plate if positive ions produced secondarily by H^- ions, diffuse to the back of the plate. Thus, the pi^- particles are not detected by a usual beam collector of mass analyzer using a metal plate. In order to detect the pi^- particles, we must interrupt the diffusion of the positive ions to the back of the beam collector while the pi^- particles are confined inside the beam collector and changed into a multiplied electron current.

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