Zeptosecond Gamma-Ray Pulses Generation via FEL-Driven Microbunching and Laser-Compton Scattering
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866911065520996352 |
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| author | Xiong, Jinke Xu, Hanghua Ji, Liangliang Feng, Chao |
| author_facet | Xiong, Jinke Xu, Hanghua Ji, Liangliang Feng, Chao |
| contents | We introduce a novel and reliable approach to generate zeptosecond(10^{-21} s,zs), high-energy photon pulse bursts by synergistically exploiting the inherent characteristics of Free-Electron Lasers (FELs) and laser-Compton scattering. The feasibility of this scheme is validated through comprehensive numerical simulations. In a representative simulation, a 4 GeV electron beam, undergoing the FEL process, emits radiation at 0.7 nm and develops a microbunched structure. These microbunches subsequently interact with a 2 ps, 9 micrometers laser pulse in a head-on Compton scattering configuration. Our simulation results demonstrate that under conditions of well-established electron beam microbunching, the proposed method successfully yields high-brightness gamma-photon pulse bursts with durations approaching 800 zeptoseconds and exhibiting exceptional signal-to-noise ratios, consistent with theoretical expectations. This technique opens up avenues for exploring ultrafast nuclear dynamics and provides unprecedented perspectives for delving into the Quantum Zeno and Anti-Zeno effects. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_00899 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Zeptosecond Gamma-Ray Pulses Generation via FEL-Driven Microbunching and Laser-Compton Scattering Xiong, Jinke Xu, Hanghua Ji, Liangliang Feng, Chao Accelerator Physics We introduce a novel and reliable approach to generate zeptosecond(10^{-21} s,zs), high-energy photon pulse bursts by synergistically exploiting the inherent characteristics of Free-Electron Lasers (FELs) and laser-Compton scattering. The feasibility of this scheme is validated through comprehensive numerical simulations. In a representative simulation, a 4 GeV electron beam, undergoing the FEL process, emits radiation at 0.7 nm and develops a microbunched structure. These microbunches subsequently interact with a 2 ps, 9 micrometers laser pulse in a head-on Compton scattering configuration. Our simulation results demonstrate that under conditions of well-established electron beam microbunching, the proposed method successfully yields high-brightness gamma-photon pulse bursts with durations approaching 800 zeptoseconds and exhibiting exceptional signal-to-noise ratios, consistent with theoretical expectations. This technique opens up avenues for exploring ultrafast nuclear dynamics and provides unprecedented perspectives for delving into the Quantum Zeno and Anti-Zeno effects. |
| title | Zeptosecond Gamma-Ray Pulses Generation via FEL-Driven Microbunching and Laser-Compton Scattering |
| topic | Accelerator Physics |
| url | https://arxiv.org/abs/2503.00899 |