Erlangen 2026 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 83: Methods in Astroparticle Physics IV

T 83.4: Vortrag

Donnerstag, 19. März 2026, 17:00–17:15, KS 00.004

DPG Abstract: Clustering algorithm for event reconstruction in LiquidO detectors — •Susanna Wakely and Kitzia Hernandez for the NuDoubt collaboration — Johannes Gutenberg University, Mainz

LiquidO is an innovative technology that uses opaque liquid scintillators for particle detection. A LiquidO scintillator combines a short scattering length and a long absorption length to stochastically confine optical photons close to their creation point. The result is balls of light where energy is deposited in the detector, with different particles producing different characteristic topologies of light balls. A fine array of wavelength-shifting fibres collects and transports the scintillation light for readout by SiPMs. A LiquidO detector will have unprecedented position resolution compared to current transparent scintillators and be capable of particle identification via event topology.

This talk will outline the development of a clustering algorithm, based on the Cambridge-Aachen jet clustering algorithm, for particle identification in LiquidO detectors. This work is done in the context of the CLOUD and NuDoubt++ experiments.

The CLOUD collaboration is designing a 5-10 ton LiquidO ultra-near reactor anti-neutrino detector. The NuDoubt++ experiment will be the first double-beta-plus (ββ++}) decay experiment. It is expected to make the first 5σ observation of the 2νββ++ decay, and discover or improve the half-life limit of the 0νββ++ process by 3 orders of magnitude.

Keywords: LiquidO; Clustering Algorithm; Scintillator; CLOUD; NuDoubt