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Optimal Vacuum Conditions for Efficient Particle Acceleration in ALICE Experiment

Learn about the 25ns and 50ns filling schemes in LHC12i and LHC12h, ensuring good vacuum conditions in ALICE for maximal performance. Discover the impact on background noise and pile-up rates.

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Optimal Vacuum Conditions for Efficient Particle Acceleration in ALICE Experiment

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  1. 25 ns filling scheme: • LHC12i, fill 3453 • 25ns_396b_373_348_373_96bpi5inj • run: 193750, 193751, 193752, 193757, 193758, 193759, 193760, 193766 • 50 ns filling scheme: • LHC12h, fill 3102 • 50ns_456b_447_0_431_72bpi12inj • run: 189146

  2. FILL 3453: good vacuum conditions on both sides of ALICE • FILL 3102: good vacuum conditions on both sides of ALICE

  3. 50ns: 6.7% of BG in MB triggered events 25ns: 3% of BG in MB triggered events

  4. 50ns: 6.7% of BG in MB triggered events Pile-up ? BG 25ns: 3% of BG in MB triggered events

  5. 50ns 25ns

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