AI 中文总结
研究大型强子对撞机中轴子样粒子对产生，通过分析非共振过程$gg\to aa$及重铸希格斯共振过程搜索结果，探究其对五维和六维ALP相互作用的敏感性，发现多维约束有非平凡特征，可扩展到其他相关搜索。
AI 中文摘要
我们研究大型强子对撞机中轴子样粒子（ALP）对的产生，探究其对五维和六维ALP相互作用同时存在的敏感性。聚焦于有四个孤立光子的信号，首次分析非共振过程$gg\to aa$，发现在300 fb$^{-1}$的积分亮度下就能显著限制ALP相互作用。特别关注ALP参数空间的多维性质，重新解读了ATLAS合作组对希格斯共振过程$gg\to h\to aa$的搜索，并在三参数空间中重铸其结果。发现非共振和希格斯共振ALP对产生的多维约束呈现非平凡特征，有望扩展到ALP衰变成标准模型粒子的其他搜索。
英文摘要
We study axion-like particle (ALP) pair production at the LHC, investigating its sensitivity to the simultaneous presence of dimension-5 and dimension-6 ALP interactions. Focusing on the signature with four isolated photons, we analyze for the first time the non-resonant process $gg\to aa$, finding that it can constrain significantly ALP interactions, already at an integrated luminosity of 300 fb$^{-1}$. Particular attention is paid to the multidimensional nature of the ALP parameter space. To this end, we present a re-interpretation of a search for the Higgs-resonant process $gg\to h\to aa$ by the ATLAS Collaboration, recasting their results within a three-parameter space. We find that the multi-dimensional constraints resulting from both non-resonant and Higgs-resonant ALP pair production exhibit non-trivial features, that are expected to extend to other searches in which the ALPs decay into Standard Model particles.
Comments65 pages, 18 figures, 3 tables, 2 ALPs
