Communication Dans Un Congrès Année : 2019

DYVACS (DYnamic VACuum Simulation) code: Calculation of gas density profiles in presence of electron cloud

Résumé

The computation of residual gas density evolution in the LHC in the presence of proton beams was performed with a new simulation code called DYVACS (DYnamic VACuum Simulation). It is a modification of the VASCO code in order to take into account dynamic effects such as the electron cloud phenomenon leading to an increase of both the electron- and the ion-induced gas desorption. Results obtained with the DYVACS code is compared to pressure measurements recorded during a typical physics fill in the Vacuum Pilot Sector of the LHC. First results show a good agreement between the calculated pressure and the experimental values.

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Dates et versions

hal-02283617 , version 1 (11-09-2019)

Identifiants

Citer

Gaël Sattonnay, Vincent Baglin, Suheyla Bilgen, Bruno Mercier. DYVACS (DYnamic VACuum Simulation) code: Calculation of gas density profiles in presence of electron cloud. 10th International Particle Accelerator Conference, May 2019, Melbourne, Australia. pp.TUPMP007, ⟨10.18429/JACoW-IPAC2019-TUPMP007⟩. ⟨hal-02283617⟩
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