The HERA-B RICH counter

The HERA-B Experiment

The HERA-B Detector

HERA-B RICH

HERA-B RICH: rates on the photon detector

HERA-B RICH photon detector

CsI chamber

CsI chamber

TMAE chamber

TMAE chamber

HERA-B RICH photon detector

Multianode PMTs

Multianode PMTs

HERA-B RICH tiling scheme

Multianode PMTs

Multianode PMT read-out

Light collection system

Light collection system

Mechanics

Photon detector: Upper half

Photon detector form

Mirrors

Mirrors

Mirrors - alignment

HERA-B RICH performace

Performance

Performance

Performace

Summary