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In-situ calibration of the single-photoelectron charge response of the IceCube photomultiplier tubes

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arxiv 2002.00997 v3 pith:5T5VA4IN submitted 2020-02-03 physics.ins-det

The IceCube Collaboration This is my paper · ORCID
classification physics.ins-det
keywords chargecalibrationsingle-photoelectrondistributiondistributionsicecubein-situphotomultiplier
verification ladder T0 review T1 audit T2 compute T3 formal
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We describe an improved in-situ calibration of the single-photoelectron charge distributions for each of the in-ice Hamamatsu Photonics R7081-02[MOD] photomultiplier tubes in the IceCube Neutrino Observatory. The characterization of the individual PMT charge distributions is important for PMT calibration, data and Monte Carlo simulation agreement, and understanding the effect of hardware differences within the detector. We discuss the single photoelectron identification procedure and how we extract the single-photoelectron charge distribution using a deconvolution of the multiple-photoelectron charge distribution.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Search for GeV-scale Dark Matter from the Galactic Center with IceCube-DeepCore

    astro-ph.HE 2025-11 conditional novelty 6.0 of 10

    Using 9.28 years of IceCube-DeepCore data, no dark-matter neutrino signal is found from the Galactic Center, setting the strongest neutrino-telescope limits for GeV-scale annihilation and decay.

  2. The mathematical theory of photomultiplier tube calibration

    hep-ex 2026-07 conditional novelty 3.5 of 10

    Fitting an SPE response model to the charge spectrum recovers PMT gain to better than ~1% and outperforms the model-independent occupancy method, even when a soft under-amplified component is present.

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