Quarkonium at Belle II

Umberto Tamponi

17 May 2021
MESON 2021

Abstract: The Belle II experiment at the SuperKEKB energy-asymmetric 𝑒+𝑒− collider is an upgrade of the B factory facility at KEK in Tsukuba, Japan. The experiment began operation in 2019 and aims to record a factor of 50 times more data than its predecessor. Belle II is uniquely capable of studying the so-called "XYZ" particles: heavy exotic hadrons consisting of more than three quarks. First discovered by Belle, these now number in the dozens, and represent the emergence of a new category within quantum chromodynamics. We present recent results in new Belle II data, and the future prospects to explore both exotic and conventional quarkonium physics.

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 Record created 2021-05-28, last modified 2021-05-28

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