Aerogel RICH

Contents

PID upgrade in the endcap

Proximity focusing RICH in the forward region

Beam test: Cherenkov angle resolution and number of photons

How to increase the number of photons?

Focusing and defociusing radiators

Beam tests

Focusing configuration - data

Focusing configuration
- low momentum

Focusing configuration
– momentum scan

Focusing configuration - inclined tracks

Multilayer extensions

Defocusing configuration, data

Aerogel production R&D

Aerogel production R&D

Aerogel production: multilayer samples

Tiling of the radiator

Development and testing of photon detectors for 1.5 T

HPD development

Photon detector R&D – backup option: Burle MCP-PMT

Photon detector R&D – Burle MCP-PMT bench tests

Burle MCP PMT beam test

Burle MCP PMT beam test 2

Read-out electronics: ASIC under development

Read-out electronics

Summary

Back-up slides

Read-out electronics

Read-out electronics: ASIC under development

VA64TAP: backup read-out electronics

Prototype test: single channels HPD

Prototype Test
- 3×3multi-channel HAPD -

MCP-PMT bench tests 2

Slide 35

Resolution for single photons

Number of photons

PID capability on test beam data

Resolution studies

Resolution studies 2

Resolution studies 3

Resolution studies 4

Yield losses at tile boundaries

Photon detector tiling