Cyclotron Maser Cooling towards Coherent Particle Beams
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866929744960815104 |
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| author | Ikegami, Hidetsugu |
| author_facet | Ikegami, Hidetsugu |
| contents | This article presents a new particle beam cooling scheme, namely cyclotron maser cooling (CMC). Relativistic gyrating particles, forced by a solenoidal magnetic field over some length of their trajectory, move in a helical path and undergo emission or absorption of radiations stimulated by a resonance RF field. Theoretical and experimental investigations on electron beams indicate that when the action of the RF field exceeds a critical value the beam jumps abruptly to a coherent radiative system undergoing CMC in which most electrons are accumulated to a discrete energy with the same gyration phase. The mechanism of CMC was proved to be an elementary cooling process that is common to dissipative systems consisting of a driving field and oscillators with a stable energy. It leads to the generation of a coherent beam of particles that provides means to control miscellaneous particle induced reactions. For example, CMC electrons would generate coherent X-ray and gamma-ray photons through coherent inverse Compton scattering of laser radiation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_04352 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Cyclotron Maser Cooling towards Coherent Particle Beams Ikegami, Hidetsugu Accelerator Physics This article presents a new particle beam cooling scheme, namely cyclotron maser cooling (CMC). Relativistic gyrating particles, forced by a solenoidal magnetic field over some length of their trajectory, move in a helical path and undergo emission or absorption of radiations stimulated by a resonance RF field. Theoretical and experimental investigations on electron beams indicate that when the action of the RF field exceeds a critical value the beam jumps abruptly to a coherent radiative system undergoing CMC in which most electrons are accumulated to a discrete energy with the same gyration phase. The mechanism of CMC was proved to be an elementary cooling process that is common to dissipative systems consisting of a driving field and oscillators with a stable energy. It leads to the generation of a coherent beam of particles that provides means to control miscellaneous particle induced reactions. For example, CMC electrons would generate coherent X-ray and gamma-ray photons through coherent inverse Compton scattering of laser radiation. |
| title | Cyclotron Maser Cooling towards Coherent Particle Beams |
| topic | Accelerator Physics |
| url | https://arxiv.org/abs/2503.04352 |