Directionality for nuclear recoils in a Liquid Argon TPC

S. Sanfilippo, P. Agnes, I. Ahmad, S. Albergo, I. Albuquerque, M. Ave, W. M. Bonivento, B. Bottino, M. Cadeddu, A. Caminata, N. Canci, G. Cappello, M. Caravati, V. Cataudella, R. Cesarano, C. Cicalò, G. Covone, A. de Candia, G. De Filippis, G. De RosaS. Davini, C. Dionisi, G. Dolganov, G. Fiorillo, D. Franco, C. Galbiati, M. Gulino, V. Ippolito, N. Kemmerich, M. Kimura, M. Kuss, M. La Commara, X. Li, S. M. Mari, C. J. Martoff, G. Matteucci, V. Oleynikov, M. Pallavicini, L. Pandola, N. Pino, M. Rescigno, J. Rode, A. Sosa, Y. Suvorov, G. Testera, A. Tricomi, M. Wada, H. Wang, Y. Wang, P. Zakhary

Research output: Contribution to journalConference articlepeer-review

Abstract

Directional sensitivity to nuclear recoils would provide a smoking gun for a possible discovery of dark matter in the form of WIMPs (Weakly Interacting Massive Particles). A hint of directional dependence of the response of a dual-phase argon Time Projection Chamber (TPC) was found in the SCENE experiment. Given the potential importance of such a capability in the framework of dark matter searches, a new dedicated experiment, ReD (Recoil Directionality), was designed by the Global Argon Dark Matter Collaboration, in order to scrutinise this hint. A small dual-phase argon TPC was irradiated with neutrons produced by the p(7Li,7Be)n reaction using the 15 MV TANDEM accelerator of the INFN - Laboratori Nazionali del Sud, Catania, Italy, so as to produce argon nuclear recoils in the range (20-100) keV of interest for dark matter searches. Energy and direction of nuclear recoils are inferred by the detection of the elastically-scattered neutron by a set of scintillation detectors. Events were selected by gating of the associated 7Be, which is detected by a telescope of Si detectors.

Original languageEnglish (US)
Article number012119
JournalJournal of Physics: Conference Series
Volume2586
Issue number1
DOIs
StatePublished - 2023
Event28th International Nuclear Physics Conference, INPC 2022 - Cape Town, South Africa
Duration: Sep 11 2022Sep 16 2022

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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