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Author  |
KM3NeT Collaboration (Aiello, S. et al); Alves Garre, S.; Bariego-Quintana, A.; Calvo, D.; Cecchini, V.; Garcia Soto, A.; Gozzini, S.R.; Hernandez-Rey, J.J.; Lazo, A.; Lessing, N.; Palacios Gonzalez, J.; Pastor Gomez, E.J.; Prado, J.; Real, D.; Saina, A.; Salesa Greus, F.; Sanchez Losa, A.; Zornoza, J.D.; Zuñiga, J. |
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Title |
Evaluation of the upgraded 3-inch Hamamatsu photomultiplier for the KM3NeT Neutrino Telescope |
Type |
Journal Article |
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Year |
2025 |
Publication |
Journal of Instrumentation |
Abbreviated Journal |
J. Instrum. |
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Volume |
20 |
Issue |
7 |
Pages |
P07054 - 15pp |
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Keywords |
Cherenkov detectors; Neutrino detectors; Optics; Photon detectors for UV; visible and IR photons (vacuum) (photomultipliers, HPDs, others) |
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Abstract |
The 3-inch Hamamatsu R14374-02 photomultiplier tube is an improved version of the R12199-02 model and its successor in the construction of the KM3NeT neutrino telescope. A total of 1000 photomultipliers were analysed to assess their dark count rate, transit time spread, and spurious pulses. A subset of 200 photomultipliers were further evaluated to determine their quantum efficiency which is an essential parameter for Monte Carlo simulations of the detector response. The measurements show that R14374-02 model has better quantum efficiency homogeneity over the photocatode and better time properties than the R12199-02. |
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Address |
[Aiello, S.; Bruno, R.; Leonora, E.; Longhitano, F.; Randazzo, N.; Sinopoulou, A.; Tosta e Melo, I.] INFN, Sez Catania, INFN CT, Via Santa Sofia 64, I-95123 Catania, Italy, Email: andreino.simonelli@na.infn.it |
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Publisher |
IOP Publishing Ltd |
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Language |
English |
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Notes |
WOS:001551875500001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6943 |
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