Experimental Observation of Space-Charge Field Screening of a Relativistic Particle Bunch in Plasma
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866914836645937152 |
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| author | Verra, L. Galletti, M. Pompili, R. Biagioni, A. Carillo, M. Cianchi, A. Crincoli, L. Curcio, A. Demurtas, F. Di Pirro, G. Lollo, V. Parise, G. Pellegrini, D. Romeo, S. Silvi, G. J. Villa, F. Ferrario, M. |
| author_facet | Verra, L. Galletti, M. Pompili, R. Biagioni, A. Carillo, M. Cianchi, A. Crincoli, L. Curcio, A. Demurtas, F. Di Pirro, G. Lollo, V. Parise, G. Pellegrini, D. Romeo, S. Silvi, G. J. Villa, F. Ferrario, M. |
| contents | The space-charge field of a relativistic charged bunch propagating in plasma is screened due to the presence of mobile charge carriers. We experimentally investigate such screening by measuring the effect of dielectric wakefields driven by the bunch in a uncoated dielectric capillary where the plasma is confined. We show that the plasma screens the space-charge field and therefore suppresses the dielectric wakefields when the distance between the bunch and the dielectric surface is much larger than the plasma skin depth. Before full screening is reached, the effects of dielectric and plasma wakefields are present simultaneously. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_11314 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Experimental Observation of Space-Charge Field Screening of a Relativistic Particle Bunch in Plasma Verra, L. Galletti, M. Pompili, R. Biagioni, A. Carillo, M. Cianchi, A. Crincoli, L. Curcio, A. Demurtas, F. Di Pirro, G. Lollo, V. Parise, G. Pellegrini, D. Romeo, S. Silvi, G. J. Villa, F. Ferrario, M. Plasma Physics Accelerator Physics The space-charge field of a relativistic charged bunch propagating in plasma is screened due to the presence of mobile charge carriers. We experimentally investigate such screening by measuring the effect of dielectric wakefields driven by the bunch in a uncoated dielectric capillary where the plasma is confined. We show that the plasma screens the space-charge field and therefore suppresses the dielectric wakefields when the distance between the bunch and the dielectric surface is much larger than the plasma skin depth. Before full screening is reached, the effects of dielectric and plasma wakefields are present simultaneously. |
| title | Experimental Observation of Space-Charge Field Screening of a Relativistic Particle Bunch in Plasma |
| topic | Plasma Physics Accelerator Physics |
| url | https://arxiv.org/abs/2406.11314 |