@article{fdi:010064828,
  title = {{ANTARES} constrains a blazar origin of two {I}ce{C}ube {P}e{V} neutrino events},
  author = {{A}drian-{M}artinez, {S}. and {A}lbert, {A}. and {A}ndre, {M}. and {A}nton, {G}. and {A}rdid, {M}. and {A}ubert, {J}. {J}. and {B}aret, {B}. and {B}arrios, {J}. and {B}asa, {S}. and {B}ertin, {V}. and {B}iagi, {S}. and {B}ogazzi, {C}. and {B}ormuth, {R}. and {B}ou-{C}abo, {M}. and {B}ouwhuis, {M}. {C}. and {B}rujin, {R}. and {B}runner, {J}. and {B}usto, {J}. and {C}apone, {A}. and {C}aramete, {L}. and {C}ane, {J}. and {C}hiarusim, {T}. and {C}ircella, {M}. and {C}oniglione, {R}. and {C}ostantini, {H}. and {C}oyle, {P}. and {C}reusot, {A}. and {D}e {R}osa, {G}. and {D}ekeyser, {I}. and {D}eschamps, {A}. and {D}e {B}onis, {G}. and {D}istefano, {C}. and {D}onzaud, {C}. and {D}ornic, {D}. and {D}orosti, {Q}. and {D}rouhin, {D}. and {D}umas, {A}. and {E}berl, {T}. and {E}nzenhofer, {A}. and {E}scoffier, {S}. and {F}ehn, {K}. and {F}elis, {I}. and {F}ermani, {P}. and {F}olger, {F}. and {F}usco, {L}. {A}. and {G}alata, {S}. and {G}ay, {P}. and {G}eisselsoder, {S}. and {G}eyer, {K}. and {G}iordano, {V}. and {G}leixner, {A}. and {G}omez-{G}onzalez, {J}. {P}. and {G}racia-{R}uiz, {R}. and {G}raf, {K}. and van {H}aren, {H}. and {H}eijboer, {A}. {J}. and {H}ello, {Y}ann and et al.},
  editor = {},
  language = {{ENG}},
  abstract = {{C}ontext. {T}he source(s) of the neutrino excess reported by the {I}ce{C}ube {C}ollaboration is unknown. {T}he {TANAMI} {C}ollaboration recently reported on the multiwavelength emission of six bright, variable blazars which are positionally coincident with two of the most energetic {I}ce{C}ube events. {O}bjects like these are prime candidates to be the source of the highest-energy cosmic rays, and thus of associated neutrino emission. {A}ims. {W}e present an analysis of neutrino emission from the six blazars using observations with the {ANTARES} neutrino telescope. {M}ethods. {T}he standard methods of the {ANTARES} candidate list search are applied to six years of data to search for an excess of muons - and hence their neutrino progenitors - from the directions of the six blazars described by the {TANAMI} {C}ollaboration, and which are possibly associated with two {I}ce{C}ube events. {M}onte {C}arlo simulations of the detector response to both signal and background particle fluxes are used to estimate the sensitivity of this analysis for different possible source neutrino spectra. {A} maximum-likelihood approach, using the reconstructed energies and arrival directions of through-going muons, is used to identify events with properties consistent with a blazar origin. {R}esults. {B}oth blazars predicted to be the most neutrino-bright in the {TANAMI} sample (1653-329 and 1714-336) have a signal flux fitted by the likelihood analysis corresponding to approximately one event. {T}his observation is consistent with the blazar-origin hypothesis of the {I}ce{C}ube event {IC} 14 for a broad range of blazar spectra, although an atmospheric origin cannot be excluded. {N}o {ANTARES} events are observed from any of the other four blazars, including the three associated with {I}ce{C}ube event {IC}20. {T}his excludes at a 90% confidence level the possibility that this event was produced by these blazars unless the neutrino spectrum is flatter than -2.4.},
  keywords = {neutrinos ; galaxies: active ; quasars: general},
  booktitle = {},
  journal = {{A}stronomy and {A}strophysics},
  volume = {576},
  numero = {},
  pages = {art. {L}8 [6 p.]},
  ISSN = {0004-6361},
  year = {2015},
  DOI = {10.1051/0004-6361/201525670},
  URL = {https://www.documentation.ird.fr/hor/fdi:010064828},
}