Paper | Title | Page |
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TUPB61 | The First Experience with the LHC Beam Gas Ionisation Monitor | 489 |
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The Beam Gas Ionisation Monitors (BGI) are used to continuously measure the beam size at the LHC. This paper describes the detectors and their operation and discusses the issues encountered during the commissioning. It also discusses the various calibration procedures used to correct for non-uniformity of Multi-Channel plates and to correct the beam size for effects affecting the electron trajectory after ionisation. | ||