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arXiv 2008.13668physics.acc-phhep-exhep-ph
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$e^+e^-$ 对撞机大交叉角单色化

Monochromatization of $e^+e^-$ colliders with a large crossing angle

V. I. Telnov

AI总结:

针对 $e^+e^-$ 对撞机质心系能量展宽远大于窄共振宽度的问题,提出在大交叉角对撞机中通过能量-角度关联实现单色化,可将能量展宽降至 $10^{-5}$ 量级,显著提高共振产生率并助力新物理搜寻。

摘要:

在 $e^+e^-$ 对撞机中,质心系能量的相对展宽约为 $10^{-3}$,这远大于窄共振态 J/$\psi$、$\psi$(2S)、$\Upsilon$(1S)、$\Upsilon$(2S)、$\Upsilon$(3S) 介子、tauonium 及其他一些共振态的宽度。减小该展宽将显著提高共振产生率,并为寻找新物理开辟巨大机遇。本文提出一种适用于大交叉角(可提供高亮度)对撞机的新单色化方法。通过在相互作用点引入适当的能量-角度关联,抵消束流能量展宽对质心系能量展宽的贡献;$\sigma_W/W \sim (0.5-1)10^{-5}$ 似乎是可行的。

英文摘要:

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.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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