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Current Settings for 5 TeV LHC Background Sources and Circuit Strength Optimization

This document outlines the required current settings for achieving maximum strength across all circuits at 5 TeV. It specifies the necessary adjustments, including a squeeze to 55 cm in IR 1 & 5 and to 2 m in IR 8. Calculations for currents at 5 TeV and 7 TeV are provided using default transfer functions from the layout database, FIDEL, where applicable. Circuits should be grouped by type with assigned maximum currents, and empirical settings are required where MAD does not supply strengths. Orbit correctors are to be set to nominal as part of the testing process.

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Current Settings for 5 TeV LHC Background Sources and Circuit Strength Optimization

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  1. 5 TeV Settings Mike Lamont

  2. Currents required for 5 TeV • Pull out maximum strength for all circuits • include squeeze to 55 cm in IR 1 & 5 • squeeze to 2 m in IR 8 • Calculate current at 5 & 7 TeV using • Default transfer functions from layout database • FIDEL where available • Group circuits by circuit type and assigned required maximum current • Give to HWC LHC Background Sources

  3. Currents/Circuit LHC Background Sources

  4. Etc… LHC Background Sources

  5. Group LHC Background Sources

  6. Group LHC Background Sources

  7. Circuits for which MAD does not supply strengths - either set empirically or using FIDEL LHC Background Sources

  8. All orbit correctors to nominal LHC Background Sources

  9. And test… LHC Background Sources

  10. And test… LHC Background Sources

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