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arXiv 2104.01725hep-excs.LG
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高能物理快速探测器模拟的图形生成模型

Graph Generative Models for Fast Detector Simulations in High Energy Physics

American University of Beirut(贝鲁特美国大学);Minerva Schools at KGI(凯克研究所米涅瓦学校);University of Alabama(阿拉巴马大学)

Ali Hariri, Darya Dyachkova, Sergei Gleyzer

摘要:

粒子物理过程的准确和快速模拟对于高能物理界至关重要。模拟粒子与探测器的相互作用既耗时又昂贵。凭借13 TeV的质子-质子碰撞能量,大型强子对撞机具有独特的定位,可以检测和测量可以塑造我们对新相互作用的知识的罕见现象。高亮度大型强子对撞机(HL-LHC)的升级将给计算基础设施带来巨大压力,因为事件发生率和堆积水平增加。高能物理碰撞的模拟需要在不牺牲物理精度的情况下显着更快。机器学习方法可以提供更快的解决方案,同时保持高水平的保真度。我们讨论了一个图形生成模型,提供了有效的重建的LHC事件,铺平了道路,充分检测器级的快速模拟HL-LHC。

英文摘要:

Accurate and fast simulation of particle physics processes is crucial for the high-energy physics community. Simulating particle interactions with detectors is both time consuming and computationally expensive. With the proton-proton collision energy of 13 TeV, the Large Hadron Collider is uniquely positioned to detect and measure the rare phenomena that can shape our knowledge of new interactions. The High-Luminosity Large Hadron Collider (HL-LHC) upgrade will put a significant strain on the computing infrastructure due to increased event rate and levels of pile-up. Simulation of high-energy physics collisions needs to be significantly faster without sacrificing the physics accuracy. Machine learning approaches can offer faster solutions, while maintaining a high level of fidelity. We discuss a graph generative model that provides effective reconstruction of LHC events, paving the way for full detector level fast simulation for HL-LHC.

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