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Dortmund 2021 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 8: Diagnostics, Control and Instrumentation II

AKBP 8.3: Talk

Wednesday, March 17, 2021, 17:00–17:15, AKBPa

4D Transverse Phase Space characterization of high brightness electron beams at PITZ — •Namra Aftab1 and Mikhail Krasilnikov21Deutsches Elektronen-Synchrotron, Platanenallee 6, 15738 Zeuthen, Germany — 2Deutsches Elektronen-Synchrotron, Platanenallee 6, 15738 Zeuthen, Germany

Photo Injector Test facility at DESY in Zeuthen (PITZ) utilizes slit scan technique as a standard tool for reconstruction of horizontal and vertical phase spaces because of its space charge dominated electron beams. A novel method for 4-dimensional transverse beam phase space measurement is proposed at PITZ known as Virtual Pepper Pot that can give insight to transverse beam phase space coupling. It utilizes the 2D slit scans to form pepper-pot like beamlets by careful crossing and post processing of the slit scan data. All elements of the 4D transverse beam matrix are calculated and used to obtain the 4D transverse emittance, 4D kinematic beam invariant and coupling factors. The proposed technique has been applied to the ASTRA simulated beams as well as the experimental data from the PITZ facility and compared with the 2D slit scan technique.

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