Paper |
Title |
Page |
TUPEA005 |
Effects of Quantum Diffusion on Electron Trajectories and Spontaneous Synchrotron Radiation Emission |
1170 |
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- I.V. Agapov, G. Geloni
XFEL. EU, Hamburg, Germany
- O.V. Chubar
BNL, Upton, Long Island, New York, USA
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For various cases, e.g. in the long undulator sections of the European XFEL, quantum diffusion and energy loss have a noticable effect on the electron trajectory, which in turn affects the properties of the emitted radiation. We discuss approaches to modelling the electron dynamics taking this into account and the effect it has on spontaneous radiation emission.
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TUPEA006 |
Towards Realistic Modelling of the FEL Radiation for the European XFEL |
1173 |
|
- I.V. Agapov, G. Geloni
XFEL. EU, Hamburg, Germany
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For the operation phase of the European XFEL the possibility to characterize the FEL radiation taking realistic machine model into account is important. To achieve this, a software framework is being developed. It allows for interoperability of various simulation codes by means of a common graphical user interfaces, common input and output files, and common programming model for scripting; it includes the possibility of modeling beam jitters and machine imperfections to set errorbars on the simulation results, and has a connection to the control system for data acquisition. We report on the progress in the developing of this framework and give examples of FEL property calculations performed with it.
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TUPEA007 |
Spontaneous Radiation Calculations for the European XFEL |
1176 |
|
- I.V. Agapov, G. Geloni
XFEL. EU, Hamburg, Germany
- O.V. Chubar
BNL, Upton, Long Island, New York, USA
- M. Scheer, M. Titze
HZB, Berlin, Germany
- N.V. Smolyakov, S.I. Tomin
NRC, Moscow, Russia
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Calculating spontaneous radiation emission from long undulators such as those present in the European XFEL, being background to FEL radiation, is still important for several diagnostics and science cases. For realistic setups, and including effects of electron beam focusing, emittance and energy spread in the electron beam, these calculations should be performed numerically. We present these calculations for several electron beam and undulator parameters performed by various codes. Sensitivity of different spontaneous radiation characteristics, in various collection schemes, to the electron beam and undulator magnetic field parameters is studied
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