Development of high timing resolution Cherenkov beam counter （高飛行時間分解能チェレンコフ・ビームカウンターの開発）

Introduction

Why we chosen Cherenkov light?

Problem

New Optical System

Cherenkov beam counter(1)

Experimental Setup

Photon yields Distribution

Optical Monte Carlo Simulation

Timing Resolution

Analysis

スライド12

Summary

	・To improve timing resolution of TOF, it is necessary to improve timing resolution of the beam and stop counter.
	・We have developed Cherenkov beam counter which is used parabola.
	・The timing resolution of the Cherenkov beam counter is about 21 ps.