Numerical Studies for EuPRAXIA@SPARC\_LAB Plasma Beam Driven Working Point
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arXiv
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| Auteurs principaux: | , , , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866913962350608384 |
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| author | Romeo, Stefano Del Dotto, Alessio Ferrario, Massimo Giribono, Anna Rossi, Andrea Renato Silvi, Gilles Jacopo Vaccarezza, Cristina |
| author_facet | Romeo, Stefano Del Dotto, Alessio Ferrario, Massimo Giribono, Anna Rossi, Andrea Renato Silvi, Gilles Jacopo Vaccarezza, Cristina |
| contents | The realization of a plasma based user facility on the model of EuPRAXIA@SPARC\_LAB requires to design a working point for the operation that allows to get an high accelerating gradient preserving a low emittance and low energy spread of the accelerated beam. Such beam is supposed to pilot a soft x-ray free electron laser with a wavelength of 2-\SI{4}{\nano\meter}. In this work several simulation scans are presented, varying at the same time the plasma density and driver-witness separation in order to show that, in a realistic working point for EuPRAXIA@SPARC\_LAB, it is possible to find an ideal compromise for a witness with a peak current >1kA that allows to preserve the energy spread of the core (80\% of the charge) below 0.1\%, while maintaining an accelerating gradient inside the plasma module around of 1 GV/m. The study is completed with a parametric analysis with the aim of establishing the stability requirements of the RF working point and the plasma channel in order to preserve the energy jitter at the same level of the energy spread. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_20691 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Numerical Studies for EuPRAXIA@SPARC\_LAB Plasma Beam Driven Working Point Romeo, Stefano Del Dotto, Alessio Ferrario, Massimo Giribono, Anna Rossi, Andrea Renato Silvi, Gilles Jacopo Vaccarezza, Cristina Plasma Physics Accelerator Physics The realization of a plasma based user facility on the model of EuPRAXIA@SPARC\_LAB requires to design a working point for the operation that allows to get an high accelerating gradient preserving a low emittance and low energy spread of the accelerated beam. Such beam is supposed to pilot a soft x-ray free electron laser with a wavelength of 2-\SI{4}{\nano\meter}. In this work several simulation scans are presented, varying at the same time the plasma density and driver-witness separation in order to show that, in a realistic working point for EuPRAXIA@SPARC\_LAB, it is possible to find an ideal compromise for a witness with a peak current >1kA that allows to preserve the energy spread of the core (80\% of the charge) below 0.1\%, while maintaining an accelerating gradient inside the plasma module around of 1 GV/m. The study is completed with a parametric analysis with the aim of establishing the stability requirements of the RF working point and the plasma channel in order to preserve the energy jitter at the same level of the energy spread. |
| title | Numerical Studies for EuPRAXIA@SPARC\_LAB Plasma Beam Driven Working Point |
| topic | Plasma Physics Accelerator Physics |
| url | https://arxiv.org/abs/2507.20691 |