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|Title:||The magnetic field model of the large hadron collider : overview of operation at 3.5 and 4 TEV|
Garcia Tomás, R.
|Keywords:||Large Hadron Collider (France and Switzerland)|
Colliders (Nuclear physics)
|Citation:||Todesco, E., Aquilina, N., Fiscarelli, L., Garcia Tomás, R., Giovannozzi, M., Hagen, P.,... & Sammut, N. (2012). The magnetic field model of the large hadron collider: Overview of operation at 3.5 and 4 TeV. 3rd International Particle Accelerator Conference 2012, New Orleans. 2194-2196|
|Abstract:||The magnetic model of the LHC is based on a fit of the magnetic measurements throughequations that model the field components (geometric, saturation, persistent) at differentcurrents. In this paper we will review the main results related to the magnetic modelduring the run of the LHC in 2010-2011: with a top energy of 3.5 TeV, all components of themodel but the saturation are visible. We first review the main results relative to thedecay at injection plateau, dependence on powering history, and snapback at the beginningof the ramp for both tune and chromaticity. We discuss the precision obtained in trackingthe magnets during the ramp, where the persistent current components gradually disappear.We conclude by presenting the behaviour of the quadrupoles model during the squeeze.|
|Appears in Collections:||Scholarly Works - FacICTMN|
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