Göttingen 2025 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 9: Flavour Physics I
T 9.4: Vortrag
Montag, 31. März 2025, 17:30–17:45, VG 1.104
Partial-Wave Analysis for B → J/ψ K π at Belle and Belle II — •Martin Bartl, Stefan Wallner, and Hans-Günther Moser — Max-Planck-Institut für Physik, München
We will present initial input-output studies based on simulated data for a partial-wave analysis (PWA) of B0 → J/ψ K+ π− at Belle and Belle II. The PWA disentangles contributions from numerous intermediate resonances, e.g. K* mesons in the K π subsystem. We will discuss the search for exotic, i.e. non qq, states, which may appear in the J/ψ K and J/ψ π subsystems, complementing recent observations by LHCb.
In addition, we will present plans to study isospin related channels, e.g. B+ → J/ψ K+ π0 and B+ → J/ψ KS0 π+.
Keywords: Belle II; Tetraquark; Partial-Wave Analysis; Hadron Spectroscopy