Abstract

A hadron calorimeter based on high-pressure gas-ionization tubes arranged nearly parallel to the incident particle direction was built and tested in pion and electron beams at the CERN SPS. Data were taken in the energy range of 10 to 100 GeV with the calorimeter tilted to the beam axis at angles varying from 0.9° to 9.1°. Results of the calorimeter response to pions and electrons and its energy resolution as a function of electric field, gas pressure, beam energy, and tilt angle are presented. The calorimeter was developed for the forward region of high energy and high luminosity hadron colliders. It proved to be simple and easy to operate. Its parameters meet the needs of forward calorimetry for LHC collider experiments.

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