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First all-flavor neutrino pointlike source search with the ANTARES neutrino telescope

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Journal 03 Oct 2017Embargo end date: 01 Jan 2017 Spain, Spain, France, Australia, Spain, Spain Publisher:American Physical Society (APS)Journal:Physical Review D, volume 96 (issn: 2470-0010, eissn: 2470-0029,

Authors: ANTARES Collaboration; Albert, A.; André, M.; Anghinolfi, M.; Anton, G.; Ardid, M.; Aubert, J. -J.; +122 Authors

doi: 10.1103/physrevd.96.082001 , 10.48550/arxiv.1706.01857

arXiv: 1706.01857

handle: 2117/108862 , 20.500.11937/66349

First all-flavor neutrino pointlike source search with the ANTARES neutrino telescope

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Abstract

A search for cosmic neutrino sources using the data collected with the ANTARES neutrino telescope between early 2007 and the end of 2015 is performed. For the first time, all neutrino interactions --charged and neutral current interactions of all flavours-- are considered in a search for point-like sources with the ANTARES detector. In previous analyses, only muon neutrino charged current interactions were used. This is achieved by using a novel reconstruction algorithm for shower-like events in addition to the standard muon track reconstruction. The shower channel contributes about 23\% of all signal events for an $E^{-2}$ energy spectrum. No significant excess over background is found. The most signal-like cluster of events is located at $(��,��) = (343.8^\circ, 23.5^\circ)$ with a significance of $1.9��$. The neutrino flux sensitivity of the search is about $E^2 d\varPhi/dE = 6\cdot10^{-9} GeV cm^{-2} s^{-1}$ for declinations from $-90^\circ$ up to $-42^\circ$, and below $10^{-8} GeV cm^{-2} s^{-1}$ for declinations up to $5^{\circ}$. The directions of 106 source candidates and of 13 muon track events from the IceCube HESE sample are investigated for a possible neutrino signal and upper limits on the signal flux are determined.

24 pages, 12 figures, submitted to Physical Review D

Countries

Spain, Spain, France, Australia, Spain, Spain

Related Organizations

French National Centre for Scientific Research
France
University of Amsterdam
Netherlands
LInstitut National de Physique Nucléaire et de Physique des Particules
France
Mohamed I University
Morocco
University of Paris-Saclay
France

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Keywords

Astrofísica, [ PHYS.ASTR ] Physics [physics]/Astrophysics [astro-ph], Astronomy, Neutrino telescope, Astrophysics, neutrino: flux, IceCube, charged current, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), muon: tracks, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], cluster, detector [neutrino], [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], neutrino: interaction, High Energy Astrophysical Phenomena (astro-ph.HE), Pointlike source, neutrino: detector, Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics, upper limit, neutral current, energy spectrum, FOS: Physical sciences, 530, Muon tracks, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], track data analysis [muon], Àrees temàtiques de la UPC::Física::Astronomia i astrofísica, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Neutrins, Neutrinos, Instrumentation and Methods for Astrophysics (astro-ph.IM), interaction [neutrino muon], ANTARES, Telescopis, background, interaction [neutrino], showers, flux [neutrino], neutrino muon: interaction, sensitivity, muon: track data analysis, FISICA APLICADA, :Física::Astronomia i astrofísica [Àrees temàtiques de la UPC], Astronomia, tracks [muon], [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], Telescopes

2 Research products, page 1 of 1

All-flavor Search for a Diffuse Flux of Cosmic Neutrinos with Nine Years of ANTARES Data
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All-flavor Neutrino Point-like Source Search with the ANTARES Neutrino Telescope
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