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Hosing studies

Hosing studies. SEXT-2ER X: -0.2 mm. Goal: control and quantify hosing by inducing known z-x tilt on beam. Current method: stretch beam in linac, add dispersion at IP with sextupole mover. Main challenge: linac 6D phase-space not well know. Plasma parameters:

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Hosing studies

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  1. Hosing studies SEXT-2ER X: -0.2 mm Goal: control and quantify hosing by inducing known z-x tilt on beam. Current method: stretch beam in linac, add dispersion at IP with sextupole mover. Main challenge: linac 6D phase-space not well know. Plasma parameters: Rbvapour 1.1e17/cm3. 30 cm FWHM (Ar buffer gas). SEXT-2ER X: nom Dfeq = 1 deg Phase space simulations of ideal z-p profiles. simulation simulation Hosing most easily observable if tail part of bunch is in the accelerating phase of the plasma bubble: 5 GeV acceleration by changing the chirp phase at entrance to S10 compressor by 1 deg (beam enters acc. phase of plasma). SEXT-2ER X: +0.3mm

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