A novel quantum machine learning classifier to search for new physics

• URL: http://arxiv.org/abs/2410.18847v1
• Date: Thu, 24 Oct 2024 15:27:28 GMT
• Title: A novel quantum machine learning classifier to search for new physics
• Authors: Ji-Chong Yang, Shuai Zhang, Chong-Xing Yue,
• Abstract summary: We propose a variational quantum searching neighbor(VQSN) algorithm to search for NP. The results suggest that VQSN demonstrates superior efficiency to a classical counterpart k-nearest neighbor algorithm.
• Score: 3.5009667752315474
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Due to the success of the Standard Model~(SM), it is reasonable to anticipate that, the signal of new physics~(NP) beyond the SM is small, and future searches for NP and precision tests of the SM will require high luminosity collider experiments. Moreover, as the precision tests of the SM advances, rarer processes with a greater number of final-state particles will require consideration, which will in turn require the analysis of a multitude of observables. As an inherent consequence of the high luminosity, the generation of a large amount of experimental data in a large feature space presents a significant challenge for data processing. In recent years, quantum machine learning has emerged as a promising approach for processing large amounts of complex data on a quantum computer. In this study, we propose a variational quantum searching neighbor~(VQSN) algorithm to search for NP. As an example, we apply the VQSN in the phenomenological study of the gluon quartic gauge couplings~(gQGCs) at the Large Hadron Collider. The results suggest that VQSN demonstrates superior efficiency to a classical counterpart k-nearest neighbor algorithm, even when dealing with classical data.

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