IOTA Experiment for Proton Pulse Compression at Extreme Space-Charge
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915649156022272 |
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| author | Simons, Benjamin Banerjee, Nilanjan Eldred, Jeffrey Shiltsev, Vladimir |
| author_facet | Simons, Benjamin Banerjee, Nilanjan Eldred, Jeffrey Shiltsev, Vladimir |
| contents | The longitudinal compression of high-intensity, space-charge-dominated proton bunches is a critical requirement for future proton-driven muon colliders. We propose a proton bunch compression experiment at the Integrable Optics Test Accelerator (IOTA) storage ring at Fermilab to investigate optimal radio-frequency (RF) cavity parameters and lattice configurations. IOTA is a compact, fixed-energy storage ring dedicated to beam physics Research and Development and capable of circulating a 2.5 MeV proton beam under extreme space-charge conditions. Using the ImpactX code with its 3D space-charge solver, simulations indicate that the bunch length can be rapidly reduced by at least a factor of two without appreciable degradation of transverse beam quality--even in the strong space-charge regime. However, longitudinal defocusing due to the space-charge remains a significant challenge in short-pulsed intense proton bunches, and the optimization of compression under these conditions is discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_03002 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | IOTA Experiment for Proton Pulse Compression at Extreme Space-Charge Simons, Benjamin Banerjee, Nilanjan Eldred, Jeffrey Shiltsev, Vladimir Accelerator Physics High Energy Physics - Experiment The longitudinal compression of high-intensity, space-charge-dominated proton bunches is a critical requirement for future proton-driven muon colliders. We propose a proton bunch compression experiment at the Integrable Optics Test Accelerator (IOTA) storage ring at Fermilab to investigate optimal radio-frequency (RF) cavity parameters and lattice configurations. IOTA is a compact, fixed-energy storage ring dedicated to beam physics Research and Development and capable of circulating a 2.5 MeV proton beam under extreme space-charge conditions. Using the ImpactX code with its 3D space-charge solver, simulations indicate that the bunch length can be rapidly reduced by at least a factor of two without appreciable degradation of transverse beam quality--even in the strong space-charge regime. However, longitudinal defocusing due to the space-charge remains a significant challenge in short-pulsed intense proton bunches, and the optimization of compression under these conditions is discussed. |
| title | IOTA Experiment for Proton Pulse Compression at Extreme Space-Charge |
| topic | Accelerator Physics High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2512.03002 |