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Handshake with the experiments

Handshake with the experiments. INJECTION PHASE. INJECTION PHASE. ATLAS injection permit is removed automatically if: BCM/BLM not operational SCT/Pixel/ muons on running voltage Roman Pots IN STABLE BEAM FLAG = TRUE Post Mortem event received

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Handshake with the experiments

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  1. Handshake with the experiments R. Alemany (BE/OP/LHC) LHC Experiments Handshake

  2. INJECTION PHASE R. Alemany (BE/OP/LHC) LHC Experiments Handshake

  3. INJECTION PHASE

  4. ATLAS injection permit is removed automatically if: • BCM/BLM not operational • SCT/Pixel/ muons on running voltage • Roman Pots IN • STABLE BEAM FLAG = TRUE • Post Mortem event received • ATLAS injection permit can be removed manually (ACR button) if: • Abnormal beam conditions are observed during injection R. Alemany (BE/OP/LHC) LHC Experiments Handshake

  5. ADJUST PHASE Notes: 1. From ADJUST to BEAM DUMP no handshake is needed because the detectors are already in safe mode. R. Alemany (BE/OP/LHC) LHC Experiments Handshake

  6. BEAM DUMP PHASE Notes: 1. From UNSTABLE BEAMS to BEAM DUMP do handshake whenever is possible, i.e. if not an emergency dump 2. We question the need of the beam mode BEAM DUMP WARNING, the experiments don’t need it, handshake is enough. It may disappear from the MODE diagram R. Alemany (BE/OP/LHC) LHC Experiments Handshake

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