Status of Hybrid Target R&D at KEK LINAC

TL;DR

This paper reports on the experimental status of a hybrid positron source at KEKB LINAC, which aims to reduce heat load issues in high-intensity positron production using a crystal and amorphous target.

Contribution

It provides experimental insights into the feasibility of a hybrid positron source combining crystal and amorphous targets at KEKB LINAC.

Findings

Hybrid positron source shows promise in heat load reduction.

Experimental results support further development of the hybrid approach.

Status update on ongoing R&D efforts at KEK LINAC.

Abstract

A hybrid positron source, consisting of a crystal as electron to photon converter and a amorphous target, is a candidate to relax heat load problem for high intensity positron sources. In this article we report status of experimental study using the 8 GeV electron beam at KEKB LINAC.