Monochromatization of $e^+e^-$ colliders with a large crossing angle
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arXiv
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| Formato: | Preprint |
| Publicado: |
2020
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| _version_ | 1866909512649146368 |
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| author | Telnov, V. I. |
| author_facet | Telnov, V. I. |
| contents | The relative center-of-mass energy spread at $e^+e^-$ colliders is about $10^{-3}$, which is much larger than the widths of narrow resonances J/$ψ$, $ψ$(2S), $Υ$(1S), $Υ$(2S), $Υ$(3S) mesons, tauonium and some others. It's reduction would significantly increase the resonance production rates and open up great opportunities in the search for new physics. In this paper, we propose a new monochromatization method for colliders with a large crossing angle (which can provide a high luminosity). The contribution of the beam energy spread to the spread of the center-of-mass energy is canceled by introducing an appropriate energy-angle correlation at the interaction point; $σ_W/W \sim (0.5-1)10^{-5}$ appears possible. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2008_13668 |
| institution | arXiv |
| publishDate | 2020 |
| record_format | arxiv |
| spellingShingle | Monochromatization of $e^+e^-$ colliders with a large crossing angle Telnov, V. I. Accelerator Physics High Energy Physics - Experiment High Energy Physics - Phenomenology The relative center-of-mass energy spread at $e^+e^-$ colliders is about $10^{-3}$, which is much larger than the widths of narrow resonances J/$ψ$, $ψ$(2S), $Υ$(1S), $Υ$(2S), $Υ$(3S) mesons, tauonium and some others. It's reduction would significantly increase the resonance production rates and open up great opportunities in the search for new physics. In this paper, we propose a new monochromatization method for colliders with a large crossing angle (which can provide a high luminosity). The contribution of the beam energy spread to the spread of the center-of-mass energy is canceled by introducing an appropriate energy-angle correlation at the interaction point; $σ_W/W \sim (0.5-1)10^{-5}$ appears possible. |
| title | Monochromatization of $e^+e^-$ colliders with a large crossing angle |
| topic | Accelerator Physics High Energy Physics - Experiment High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2008.13668 |