Injection Studies: Losses at the Septum

Injection Studies: Losses at the Septum

Injection Studies: Losses at the Septum ABT Injection problem B1 The problem: loss pattern change at the MSI

B.Goddard et al. 2 Injection area investigations at the MSI Pr

ob le m There is a clear problem with the RF fingers at the transition. Not clear how did it

get worse suddenly. Need to find a different injection trajectory, for the time being while preparing an intervention for the technical stop or the Christmas stop New setting-up to be done this afternoon after the VdM scan JM. Dalin

G. Arduini 13/10/2010 Temporary Solution: Bump around Bottleneck Horizontal Bottleneck LHC 1 unit bump

Bottleneck LHC Vertical Horizontal & Vertical Scan

monitoring losses at the MSIA, MSIB, MQ5, TCTH.4L2 and TCLIB, with pilot bunches High losses old new No losses High losses

old new No losses -4 mm Vertical +1 mm Horizontal Vertical Orbit Matching in the LHC

Horizontal Orbit Matching in the LHC TCDI Collimators Reset wrt New Trajectory 24 bunches 8 Bunches Injection

MSIB MSIA 24 Bunches Injection MSIB MSIA

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