Search for dark matter towards the Galactic Centre with 11 years of ANTARES data
Metadatos
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ELSEVIER
Materia
Dark matter indirect detection Neutrino telescope Galactic Centre ANTARES
Fecha
2020-04Referencia bibliográfica
Albert, A., André, M., Anghinolfi, M., Anton, G., Ardid, M., Aubert, J. J., ... & Bertin, V. (2020). Search for dark matter towards the Galactic Centre with 11 years of ANTARES data. Physics Letters B, 135439. [https://doi.org/10.1016/j.physletb.2020.135439]
Patrocinador
Centre National de la Recherche Scientifique (CNRS); French Atomic Energy Commission; Commission Europeenne (FEDER fund); European Union (EU); Institut Universitaire de France (IUF); IdEx program at Sorbonne Paris Cite ANR-10-LABX-0023 ANR-11-IDEX-0005-02; UnivEarthS Labex program at Sorbonne Paris Cite ANR-10-LABX-0023 ANR-11-IDEX-0005-02; Labex OCEVU ANR-11-LABX-0060; French National Research Agency (ANR) ANR-11-IDEX-0001-02; Region Ile-de-France; Region Grand-Est; Region Provence-Alpes-Cote d'Azur; Federal Ministry of Education & Research (BMBF); Instituto Nazionale di Fisica Nucleare(INFN), Italy; Netherlands Organization for Scientific Research (NWO) Netherlands Government; Council of the President of the Russian Federation for young scientists and leading scientific schools supporting grants, Russia; Executive Unit for Financing Higher Education, Research, Development and Innovation (UEFISCDI), Romania; Ministerio de Ciencia, Innovacion y Universidades(MCIU): Programa Estatal de Generacion de Conocimiento PGC2018-096663-B-C41 PGC2018-096663-A-C42 PGC2018-096663-B-C43 PGC2018-096663-B-C44; Severo Ochoa Centre of Excellence and MultiDark Consolider (MCIU); Junta de Andalucia SOMM17/6104/UGR; Generalitat Valenciana: Grisolia, Spain GRISOLIA/2018/119; Ministry of Higher Education, Scientific Research and Training, MoroccoResumen
Neutrino detectors participate in the indirect search for the fundamental constituents of dark matter (DM) in form
of weakly interacting massive particles (WIMPs). In WIMP scenarios, candidate DM particles can pair-annihilate into
Standard Model products, yielding considerable fluxes of high-energy neutrinos. A detector like ANTARES, located in
the Northern Hemisphere, is able to perform a complementary search looking towards the Galactic Centre, where a
high density of dark matter is thought to accumulate. Both this directional information and the spectral features of
annihilating DM pairs are entered into an unbinned likelihood method to scan the data set in search for DM-like
signals in ANTARES data. Results obtained upon unblinding 3170 days of data reconstructed with updated methods
are presented, which provides a larger, and more accurate, data set than a previously published result using 2101
days. A non-observation of dark matter is converted into limits on the velocity-averaged cross section for WIMP pair
annihilation.