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Multi-neutron Detection Based on Machine Learning

26 Sep 2024, 16:50
20m
Han Hall

Han Hall

2.Parallel session talk Few-body aspects of nuclear physics and nuclear astrophysics Parallel 6:Few-body aspects of nuclear physics and nuclear astrophysics

Speaker

Zeyu Du (Peking University)

Description

The structure of neutron-rich nuclei in the neutron-drip-line region is one of the frontiers of nuclear physics. By directly detecting the neutrons emitted during their decay, the structure and multi-neutron correlations of the nucleus can be investigated, which is not only important for advancing our understanding of the structure and interactions of the finite nuclei, but also helps to gain new insights into the properties of neutron-rich matter.
One essential yet challenging task for multi-neutron detection experiments is to distinguish true multi-neutron events from the background signals (so-called crosstalks). A neural network-based multi-neutron identification algorithm is developed, which significantly improves the four-neutron detection efficiency (>10 times) compared with the traditional algorithm while keeping the energy resolution at a comparable level.

Primary authors

Zeyu Du (Peking University) Dr 思维 黄 (PKU) 再宏 杨 (Peking University) 奇特 李 (PKU) 佳伟 边 (北京大学物理学院)

Presentation materials