DOE OSTI · 3363640
Muon tracking in a LiquidO opaque scintillator detector
Abstract
LiquidO is an innovative radiation detector concept. The core idea is to exploit stochastic light confinement in a highly scattering medium to self-segment the detector volume. In this paper, we demonstrate event-by-event muon tracking in a LiquidO opaque scintillator detector prototype. The detector consists of a 30 mm cubic scintillator volume instrumented with 64 wavelength-shifting fibres arranged in an 8 × 8 grid with a 3.2 mm pitch and read out by silicon photomultipliers. A wax-based opaque scintillator with a scattering length of approximately 0.5 mm is used. The tracking performance of this LiquidO detector is characterised with cosmic-ray muons and the position resolution is demonstrated to be 450 μm per row of fibres. These results highlight the potential of LiquidO opaque scintillator detectors to achieve fine spatial resolution, enabling precise particle tracking and imaging.
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Apilluelo, Jaime [Universidad de Zaragoza (Spain). Centro de Astropartículas y Física de Altas Energías (CAPA); LiquidO Collaboration. et al.], Asquith, L., Bannister, E.F., Barradas, N.P., Baylis, C.L., Beney, J.L., Berberan e Santos, M., de la Bernardie, X., Bezerra, T.J.C. (ORCID:0000000204247903), Bongrand, M., Bourgeois, C., Breton, D., Busto, J., Cabrera, A. (ORCID:0000000157133347), Cadiou, A., Calvo, E., de Carlos Generowicz, M., Chauveau, E., Cattermole, B.J., Chen, M., Chimenti, P., Cowen, D.F., Das, S.Kr., Dusini, S. (ORCID:0000000211280664), Earle, A., Felizardo, M., Frigerio Martins, C., Galán, J., García, J.A., Gibson-Foster, A., Girard-Carillo, C., Griffith, W.C., Gómez-Cadenas, J.J., Guitière, M., Haddad, F., Hartnell, J. (ORCID:0000000217447955), Holin, A., Irastorza, I.G., Jovanovic, I. (ORCID:0000000305733150), Kling, A., Koch, L. (ORCID:0000000229667461), Lasorak, P., Le Du, J.F., Lefevre, F., Loaiza, P., Lock, J.A., Luzón, G., Maalmi, J., Malhado, J.P., Mantovani, F., Marques, J.G., Marquet, C., Martínez, M., Moffat, J.T., Navas-Nicolás, D. (ORCID:0000000222454404), Nunokawa, H., Ochoa-Ricoux, J.P. (ORCID:0000000173765555), Palmeira, T., Palomares, C., Petyt, D., Pillot, P., Pin, A., Porter, J.C.C., Pravikoff, M.S. (ORCID:0000000270884126), Richards, S., Rodrigues, N., Roche, M., Rosero, R., Roskovec, B., Sarsa, M.L., Schoppmann, S. (ORCID:0000000272080578), Serafini, A., Shepherd-Themistocleous, C., Shorrock, W. (ORCID:0000000272211910), Silva, M., Simard, L., Soleti, S.R., Stocco, D., Strati, V., Stutzmann, J.S., Suekane, F., Tuccori, N. (ORCID:0000000228685887), Verdugo, A., Viaud, B., Wakely, S.M. (ORCID:0000000229198159), Weber, A. (ORCID:0000000282226681), Wendel, G. (ORCID:0000000224409391), Wilhelm, A.S. (ORCID:0000000206640477), Wong, A.W.R., Yeh, Minfang (ORCID:0000000322440499), Yermia, F.. 2026-01-08. Muon tracking in a LiquidO opaque scintillator detector. https://doi.org/10.1088/1748-0221%2F21%2F01%2Fp01010
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