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Aachen 2019 – scientific programme

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AKPIK: Arbeitskreis Physik, moderne Informationstechnologie und Künstliche Intelligenz

AKPIK 2: Machine-learning methods and computing in particle physics

AKPIK 2.2: Talk

Tuesday, March 26, 2019, 16:10–16:20, H10

Photon position reconstruction using Machine Learning with the Belle II electromagnetic calorimeter — •Yu Hu — DESY Notkestraße 85 22607 Hamburg

The Belle II experiment at the SuperKEKB accelerator in Tsukuba, Japan is the successor to the B factory experiment Belle at KEKB. In 2018, the experiment completed its first run of commissioning collisions, and is currently preparing for physics data taking later in 2019. The electromagnetic calorimeter of the Belle II detector is mainly used to measure photons from the decays of B mesons. This talk will describe a new neural networks based photon position reconstruction algorithm. This can improve the photon position resolution, the photon position bias, and has an impact on the reconstruction of pi0 decays.

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