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arXiv 2209.06282hep-phhep-ex
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利用超高能中微子弹性相互作用探测量子引力

Probing Quantum Gravity with Elastic Interactions of Ultra-High-Energy Neutrinos

Alfonso Garcia Soto, Diksha Garg, Mary Hall Reno, Carlos A. Argüelles

摘要:

下一代射电望远镜将通过测量超高能中微子对低尺度量子引力敏感。在这封信中,我们首次证明了TeV尺度引力引起的中微子-核子软相互作用将显着增加IceCube-Gen 2射电阵列在EeV区域检测到的事件数量。然而,我们表明,这些实验不能测量的总截面仅使用中微子通量的角度和能量信息,除非假设的基本非弹性分布的中性相互作用。

英文摘要:

The next generation of radio telescopes will be sensitive to low-scale quantum gravity by measuring ultra-high-energy neutrinos. In this letter, we demonstrate for the first time that neutrino-nucleon soft interactions induced by TeV-scale gravity would significantly increase the number of events detected by the IceCube-Gen2 radio array in the EeV regime. However, we show that these experiments cannot measure the total cross section using only the angular and energy information of the neutrino flux, unless assumptions on the underlying inelasticity distribution of neutral interactions are made.

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