Dark Matter Detection Techniques N.J.T.Smith Rutherford Appleton Laboratory

08-07-98


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Table of Contents

Dark Matter Detection Techniques N.J.T.Smith Rutherford Appleton Laboratory

How do we know it exists?

Contributions to _

Particle Physics Candidates

Dark Matter Candidate Review

Current WIMP Detector Strategies

Signal and Background

The 6kg NaI Detector

WIMP Discrimination

Current 6kg Situation

NaI Improvements

Liquid Xenon Scintillation Mechanism

Discrimination with Liquid Xenon

A: No Applied Electric Field

Zero Field Chamber In Situ

B: Proportional Scintillation Discrimination in LXe

Proportional Scintillation Results

C: Electroluminescence in Gas Phase

Recent Test Results

Planned 30kg Chamber

D: TEA and GEM

Range Discrimination

CASPAR Discrimination pulse shapes

CASPAR Discrimination Monte Carlo

Signal Identification

DRIFT Collaboration

Low Pressure Xe Gas TPC

Summary

Author: Nigel J. T. Smith

Email: n.j.t.smith@rl.ac.uk

Home Page: http://hepwww.rl.ac.uk/ukdmc/