Constraints on the neutrino emission from the Galactic Ridge with the ANTARES telescope
A highly significant excess of high-energy astrophysical neutrinos has been reported by the IceCube Collaboration. Some features of the energy and declination distributions of IceCube events hint at a North/South asymmetry of the neutrino flux. This could be due to the presence of the bulk of our Ga...
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Format: | Article |
Language: | English |
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Elsevier
2016-09-01
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Series: | Physics Letters B |
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Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269316303112 |
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language |
English |
format |
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sources |
DOAJ |
author |
S. Adrián-Martínez A. Albert M. André M. Anghinolfi G. Anton M. Ardid J.-J. Aubert T. Avgitas B. Baret J. Barrios-Martí S. Basa V. Bertin S. Biagi R. Bormuth M.C. Bouwhuis R. Bruijn J. Brunner J. Busto A. Capone L. Caramete J. Carr S. Celli T. Chiarusi M. Circella A. Coleiro R. Coniglione H. Costantini P. Coyle A. Creusot A. Deschamps G. De Bonis C. Distefano C. Donzaud D. Dornic D. Drouhin T. Eberl I. El Bojaddaini D. Elsässer A. Enzenhöfer K. Fehn I. Felis L.A. Fusco S. Galatà P. Gay S. Geißelsöder K. Geyer V. Giordano A. Gleixner H. Glotin R. Gracia-Ruiz K. Graf S. Hallmann H. van Haren A.J. Heijboer Y. Hello J.J. Hernández-Rey J. Hößl J. Hofestädt C. Hugon G. Illuminati C.W. James M. de Jong M. Kadler O. Kalekin U. Katz D. Kießling A. Kouchner M. Kreter I. Kreykenbohm V. Kulikovskiy C. Lachaud R. Lahmann D. Lefèvre E. Leonora S. Loucatos M. Marcelin A. Margiotta A. Marinelli J.A. Martínez-Mora A. Mathieu T. Michael P. Migliozzi A. Moussa C. Mueller E. Nezri G.E. Păvălaş C. Pellegrino C. Perrina P. Piattelli V. Popa T. Pradier C. Racca G. Riccobene K. Roensch M. Saldaña D.F.E. Samtleben A. Sánchez-Losa M. Sanguineti P. Sapienza J. Schnabel F. Schüssler T. Seitz C. Sieger M. Spurio Th. Stolarczyk M. Taiuti A. Trovato M. Tselengidou D. Turpin C. Tönnis B. Vallage C. Vallée V. Van Elewyck E. Visser D. Vivolo S. Wagner J. Wilms J.D. Zornoza J. Zúñiga |
spellingShingle |
S. Adrián-Martínez A. Albert M. André M. Anghinolfi G. Anton M. Ardid J.-J. Aubert T. Avgitas B. Baret J. Barrios-Martí S. Basa V. Bertin S. Biagi R. Bormuth M.C. Bouwhuis R. Bruijn J. Brunner J. Busto A. Capone L. Caramete J. Carr S. Celli T. Chiarusi M. Circella A. Coleiro R. Coniglione H. Costantini P. Coyle A. Creusot A. Deschamps G. De Bonis C. Distefano C. Donzaud D. Dornic D. Drouhin T. Eberl I. El Bojaddaini D. Elsässer A. Enzenhöfer K. Fehn I. Felis L.A. Fusco S. Galatà P. Gay S. Geißelsöder K. Geyer V. Giordano A. Gleixner H. Glotin R. Gracia-Ruiz K. Graf S. Hallmann H. van Haren A.J. Heijboer Y. Hello J.J. Hernández-Rey J. Hößl J. Hofestädt C. Hugon G. Illuminati C.W. James M. de Jong M. Kadler O. Kalekin U. Katz D. Kießling A. Kouchner M. Kreter I. Kreykenbohm V. Kulikovskiy C. Lachaud R. Lahmann D. Lefèvre E. Leonora S. Loucatos M. Marcelin A. Margiotta A. Marinelli J.A. Martínez-Mora A. Mathieu T. Michael P. Migliozzi A. Moussa C. Mueller E. Nezri G.E. Păvălaş C. Pellegrino C. Perrina P. Piattelli V. Popa T. Pradier C. Racca G. Riccobene K. Roensch M. Saldaña D.F.E. Samtleben A. Sánchez-Losa M. Sanguineti P. Sapienza J. Schnabel F. Schüssler T. Seitz C. Sieger M. Spurio Th. Stolarczyk M. Taiuti A. Trovato M. Tselengidou D. Turpin C. Tönnis B. Vallage C. Vallée V. Van Elewyck E. Visser D. Vivolo S. Wagner J. Wilms J.D. Zornoza J. Zúñiga Constraints on the neutrino emission from the Galactic Ridge with the ANTARES telescope Physics Letters B Neutrino telescope Diffuse muon neutrino flux ANTARES |
author_facet |
S. Adrián-Martínez A. Albert M. André M. Anghinolfi G. Anton M. Ardid J.-J. Aubert T. Avgitas B. Baret J. Barrios-Martí S. Basa V. Bertin S. Biagi R. Bormuth M.C. Bouwhuis R. Bruijn J. Brunner J. Busto A. Capone L. Caramete J. Carr S. Celli T. Chiarusi M. Circella A. Coleiro R. Coniglione H. Costantini P. Coyle A. Creusot A. Deschamps G. De Bonis C. Distefano C. Donzaud D. Dornic D. Drouhin T. Eberl I. El Bojaddaini D. Elsässer A. Enzenhöfer K. Fehn I. Felis L.A. Fusco S. Galatà P. Gay S. Geißelsöder K. Geyer V. Giordano A. Gleixner H. Glotin R. Gracia-Ruiz K. Graf S. Hallmann H. van Haren A.J. Heijboer Y. Hello J.J. Hernández-Rey J. Hößl J. Hofestädt C. Hugon G. Illuminati C.W. James M. de Jong M. Kadler O. Kalekin U. Katz D. Kießling A. Kouchner M. Kreter I. Kreykenbohm V. Kulikovskiy C. Lachaud R. Lahmann D. Lefèvre E. Leonora S. Loucatos M. Marcelin A. Margiotta A. Marinelli J.A. Martínez-Mora A. Mathieu T. Michael P. Migliozzi A. Moussa C. Mueller E. Nezri G.E. Păvălaş C. Pellegrino C. Perrina P. Piattelli V. Popa T. Pradier C. Racca G. Riccobene K. Roensch M. Saldaña D.F.E. Samtleben A. Sánchez-Losa M. Sanguineti P. Sapienza J. Schnabel F. Schüssler T. Seitz C. Sieger M. Spurio Th. Stolarczyk M. Taiuti A. Trovato M. Tselengidou D. Turpin C. Tönnis B. Vallage C. Vallée V. Van Elewyck E. Visser D. Vivolo S. Wagner J. Wilms J.D. Zornoza J. Zúñiga |
author_sort |
S. Adrián-Martínez |
title |
Constraints on the neutrino emission from the Galactic Ridge with the ANTARES telescope |
title_short |
Constraints on the neutrino emission from the Galactic Ridge with the ANTARES telescope |
title_full |
Constraints on the neutrino emission from the Galactic Ridge with the ANTARES telescope |
title_fullStr |
Constraints on the neutrino emission from the Galactic Ridge with the ANTARES telescope |
title_full_unstemmed |
Constraints on the neutrino emission from the Galactic Ridge with the ANTARES telescope |
title_sort |
constraints on the neutrino emission from the galactic ridge with the antares telescope |
publisher |
Elsevier |
series |
Physics Letters B |
issn |
0370-2693 1873-2445 |
publishDate |
2016-09-01 |
description |
A highly significant excess of high-energy astrophysical neutrinos has been reported by the IceCube Collaboration. Some features of the energy and declination distributions of IceCube events hint at a North/South asymmetry of the neutrino flux. This could be due to the presence of the bulk of our Galaxy in the Southern hemisphere. The ANTARES neutrino telescope, located in the Mediterranean Sea, has been taking data since 2007. It offers the best sensitivity to muon neutrinos produced by galactic cosmic ray interactions in this region of the sky. In this letter a search for an extended neutrino flux from the Galactic Ridge region is presented. Different models of neutrino production by cosmic ray propagation are tested. No excess of events is observed and upper limits for different neutrino flux spectral indices Γ are set. For Γ=2.4 the 90% confidence level flux upper limit at 100 TeV for one neutrino flavour corresponds to Φ01f(100 TeV)=2.0⋅10−17 GeV−1cm−2s−1sr−1. Under this assumption, at most two events of the IceCube cosmic candidates can originate from the Galactic Ridge. A simple power-law extrapolation of the Fermi-LAT flux to account for IceCube High Energy Starting Events is excluded at 90% confidence level. |
topic |
Neutrino telescope Diffuse muon neutrino flux ANTARES |
url |
http://www.sciencedirect.com/science/article/pii/S0370269316303112 |
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doaj-66a517d876924cb6a307003c070388fe2020-11-24T22:50:19ZengElsevierPhysics Letters B0370-26931873-24452016-09-01760C14314810.1016/j.physletb.2016.06.051Constraints on the neutrino emission from the Galactic Ridge with the ANTARES telescopeS. Adrián-Martínez0A. Albert1M. André2M. Anghinolfi3G. Anton4M. Ardid5J.-J. Aubert6T. Avgitas7B. Baret8J. Barrios-Martí9S. Basa10V. Bertin11S. Biagi12R. Bormuth13M.C. Bouwhuis14R. Bruijn15J. Brunner16J. Busto17A. Capone18L. Caramete19J. Carr20S. Celli21T. Chiarusi22M. Circella23A. Coleiro24R. Coniglione25H. Costantini26P. Coyle27A. Creusot28A. Deschamps29G. De Bonis30C. Distefano31C. Donzaud32D. Dornic33D. Drouhin34T. Eberl35I. El Bojaddaini36D. Elsässer37A. Enzenhöfer38K. Fehn39I. Felis40L.A. Fusco41S. Galatà42P. Gay43S. Geißelsöder44K. Geyer45V. Giordano46A. Gleixner47H. Glotin48R. Gracia-Ruiz49K. Graf50S. Hallmann51H. van Haren52A.J. Heijboer53Y. Hello54J.J. Hernández-Rey55J. Hößl56J. Hofestädt57C. Hugon58G. Illuminati59C.W. James60M. de Jong61M. Kadler62O. Kalekin63U. Katz64D. Kießling65A. Kouchner66M. Kreter67I. Kreykenbohm68V. Kulikovskiy69C. Lachaud70R. Lahmann71D. Lefèvre72E. Leonora73S. Loucatos74M. Marcelin75A. Margiotta76A. Marinelli77J.A. Martínez-Mora78A. Mathieu79T. Michael80P. Migliozzi81A. Moussa82C. Mueller83E. Nezri84G.E. Păvălaş85C. Pellegrino86C. Perrina87P. Piattelli88V. Popa89T. Pradier90C. Racca91G. Riccobene92K. Roensch93M. Saldaña94D.F.E. Samtleben95A. Sánchez-Losa96M. Sanguineti97P. Sapienza98J. Schnabel99F. Schüssler100T. Seitz101C. Sieger102M. Spurio103Th. Stolarczyk104M. Taiuti105A. Trovato106M. Tselengidou107D. Turpin108C. Tönnis109B. Vallage110C. Vallée111V. Van Elewyck112E. Visser113D. Vivolo114S. Wagner115J. Wilms116J.D. Zornoza117J. Zúñiga118Institut d'Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) – Universitat Politècnica de València, C/ Paranimf 1, 46730 Gandia, SpainGRPHE – Université de Haute Alsace – Institut universitaire de technologie de Colmar, 34 rue du Grillenbreit, BP 50568 – 68008 Colmar, FranceTechnical University of Catalonia, Laboratory of Applied Bioacoustics, Rambla Exposició, 08800 Vilanova i la Geltrú, Barcelona, SpainINFN – Sezione di Genova, Via Dodecaneso 33, 16146 Genova, ItalyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyInstitut d'Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) – Universitat Politècnica de València, C/ Paranimf 1, 46730 Gandia, SpainAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceIFIC – Instituto de Física Corpuscular, c/ Catedraático José Beltrán, 2, E-46980 Paterna, Valencia, SpainLAM – Laboratoire d'Astrophysique de Marseille, Pôle de l'Étoile Site de Château-Gombert, rue Frédéric Joliot-Curie 38, 13388 Marseille Cedex 13, FranceAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceINFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 62, 95123 Catania, ItalyNikhef, Science Park, Amsterdam, The NetherlandsNikhef, Science Park, Amsterdam, The NetherlandsNikhef, Science Park, Amsterdam, The NetherlandsAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceINFN – Sezione di Roma, P.le Aldo Moro 2, 00185 Roma, ItalyInstitute for Space Science, RO-077125 Bucharest, Măgurele, RomaniaAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceINFN – Sezione di Roma, P.le Aldo Moro 2, 00185 Roma, ItalyINFN – Sezione di Bologna, Viale Berti-Pichat 6/2, 40127 Bologna, ItalyINFN – Sezione di Bari, Via E. Orabona 4, 70126 Bari, ItalyAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceINFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 62, 95123 Catania, ItalyAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceGéoazur, UCA, CNRS, IRD, Observatoire de la Côte d'Azur, Sophia Antipolis, FranceINFN – Sezione di Roma, P.le Aldo Moro 2, 00185 Roma, ItalyINFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 62, 95123 Catania, ItalyAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceGRPHE – Université de Haute Alsace – Institut universitaire de technologie de Colmar, 34 rue du Grillenbreit, BP 50568 – 68008 Colmar, FranceFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyUniversity Mohammed I, Laboratory of Physics of Matter and Radiations, B.P.717, Oujda 6000, MoroccoInstitut für Theoretische Physik und Astrophysik, Universität Würzburg, Emil-Fischer Str. 31, 97074 Würzburg, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyInstitut d'Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) – Universitat Politècnica de València, C/ Paranimf 1, 46730 Gandia, SpainINFN – Sezione di Bologna, Viale Berti-Pichat 6/2, 40127 Bologna, ItalyAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceLaboratoire de Physique Corpusculaire, Clermont Univertsité, Université Blaise Pascal, CNRS/IN2P3, BP 10448, F-63000 Clermont-Ferrand, FranceFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyINFN – Sezione di Catania, Viale Andrea Doria 6, 95125 Catania, ItalyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyLSIS, Aix Marseille Université, CNRS, ENSAM, LSIS, UMR 7296, 13397 Marseille, France; Université de Toulon, CNRS, LSIS, UMR 7296, 83957 La Garde, FranceAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyRoyal Netherlands Institute for Sea Research (NIOZ), Landsdiep 4, 1797 SZ 't Horntje (Texel), The NetherlandsNikhef, Science Park, Amsterdam, The NetherlandsGéoazur, UCA, CNRS, IRD, Observatoire de la Côte d'Azur, Sophia Antipolis, FranceIFIC – Instituto de Física Corpuscular, c/ Catedraático José Beltrán, 2, E-46980 Paterna, Valencia, SpainFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyINFN – Sezione di Genova, Via Dodecaneso 33, 16146 Genova, ItalyINFN – Sezione di Roma, P.le Aldo Moro 2, 00185 Roma, ItalyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyNikhef, Science Park, Amsterdam, The NetherlandsInstitut für Theoretische Physik und Astrophysik, Universität Würzburg, Emil-Fischer Str. 31, 97074 Würzburg, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceInstitut für Theoretische Physik und Astrophysik, Universität Würzburg, Emil-Fischer Str. 31, 97074 Würzburg, GermanyDr. Remeis-Sternwarte and ECAP, Universität Erlangen–Nürnberg, Sternwartstr. 7, 96049 Bamberg, GermanyINFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 62, 95123 Catania, ItalyAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyMediterranean Institute of Oceanography (MIO), Aix-Marseille University, 13288, Marseille Cedex 9, France; Université du Sud Toulon-Var, 83957, La Garde Cedex, France CNRS-INSU/IRD UM 110INFN – Sezione di Catania, Viale Andrea Doria 6, 95125 Catania, ItalyDirection des Sciences de la Matière – Institut de recherche sur les lois fondamentales de l'Univers – Service de Physique des Particules, CEA Saclay, 91191 Gif-sur-Yvette Cedex, FranceLAM – Laboratoire d'Astrophysique de Marseille, Pôle de l'Étoile Site de Château-Gombert, rue Frédéric Joliot-Curie 38, 13388 Marseille Cedex 13, FranceINFN – Sezione di Bologna, Viale Berti-Pichat 6/2, 40127 Bologna, ItalyINFN – Sezione di Pisa, Largo B. Pontecorvo 3, 56127 Pisa, ItalyInstitut d'Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) – Universitat Politècnica de València, C/ Paranimf 1, 46730 Gandia, SpainAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceNikhef, Science Park, Amsterdam, The NetherlandsINFN – Sezione di Napoli, Via Cintia, 80126 Napoli, ItalyUniversity Mohammed I, Laboratory of Physics of Matter and Radiations, B.P.717, Oujda 6000, MoroccoInstitut für Theoretische Physik und Astrophysik, Universität Würzburg, Emil-Fischer Str. 31, 97074 Würzburg, GermanyLAM – Laboratoire d'Astrophysique de Marseille, Pôle de l'Étoile Site de Château-Gombert, rue Frédéric Joliot-Curie 38, 13388 Marseille Cedex 13, FranceInstitute for Space Science, RO-077125 Bucharest, Măgurele, RomaniaINFN – Sezione di Bologna, Viale Berti-Pichat 6/2, 40127 Bologna, ItalyINFN – Sezione di Roma, P.le Aldo Moro 2, 00185 Roma, ItalyINFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 62, 95123 Catania, ItalyInstitute for Space Science, RO-077125 Bucharest, Măgurele, RomaniaUniversité de Strasbourg, IPHC, 23 rue du Loess, 67037 Strasbourg, France – CNRS, UMR7178, 67037 Strasbourg, FranceGRPHE – Université de Haute Alsace – Institut universitaire de technologie de Colmar, 34 rue du Grillenbreit, BP 50568 – 68008 Colmar, FranceINFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 62, 95123 Catania, ItalyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyInstitut d'Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) – Universitat Politècnica de València, C/ Paranimf 1, 46730 Gandia, SpainNikhef, Science Park, Amsterdam, The NetherlandsIFIC – Instituto de Física Corpuscular, c/ Catedraático José Beltrán, 2, E-46980 Paterna, Valencia, SpainINFN – Sezione di Genova, Via Dodecaneso 33, 16146 Genova, ItalyINFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 62, 95123 Catania, ItalyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyDirection des Sciences de la Matière – Institut de recherche sur les lois fondamentales de l'Univers – Service de Physique des Particules, CEA Saclay, 91191 Gif-sur-Yvette Cedex, FranceFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyINFN – Sezione di Bologna, Viale Berti-Pichat 6/2, 40127 Bologna, ItalyDirection des Sciences de la Matière – Institut de recherche sur les lois fondamentales de l'Univers – Service de Physique des Particules, CEA Saclay, 91191 Gif-sur-Yvette Cedex, FranceINFN – Sezione di Genova, Via Dodecaneso 33, 16146 Genova, ItalyINFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 62, 95123 Catania, ItalyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceIFIC – Instituto de Física Corpuscular, c/ Catedraático José Beltrán, 2, E-46980 Paterna, Valencia, SpainDirection des Sciences de la Matière – Institut de recherche sur les lois fondamentales de l'Univers – Service de Physique des Particules, CEA Saclay, 91191 Gif-sur-Yvette Cedex, FranceAix-Marseille Université, CNRS/IN2P3, CPPM UMR 7346, 13288 Marseille, FranceAPC, Université Paris Diderot, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, Sorbonne Paris Cité, 75205 Paris, FranceNikhef, Science Park, Amsterdam, The NetherlandsINFN – Sezione di Napoli, Via Cintia, 80126 Napoli, ItalyFriedrich–Alexander-Universität Erlangen–Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyDr. Remeis-Sternwarte and ECAP, Universität Erlangen–Nürnberg, Sternwartstr. 7, 96049 Bamberg, GermanyIFIC – Instituto de Física Corpuscular, c/ Catedraático José Beltrán, 2, E-46980 Paterna, Valencia, SpainIFIC – Instituto de Física Corpuscular, c/ Catedraático José Beltrán, 2, E-46980 Paterna, Valencia, SpainA highly significant excess of high-energy astrophysical neutrinos has been reported by the IceCube Collaboration. Some features of the energy and declination distributions of IceCube events hint at a North/South asymmetry of the neutrino flux. This could be due to the presence of the bulk of our Galaxy in the Southern hemisphere. The ANTARES neutrino telescope, located in the Mediterranean Sea, has been taking data since 2007. It offers the best sensitivity to muon neutrinos produced by galactic cosmic ray interactions in this region of the sky. In this letter a search for an extended neutrino flux from the Galactic Ridge region is presented. Different models of neutrino production by cosmic ray propagation are tested. No excess of events is observed and upper limits for different neutrino flux spectral indices Γ are set. For Γ=2.4 the 90% confidence level flux upper limit at 100 TeV for one neutrino flavour corresponds to Φ01f(100 TeV)=2.0⋅10−17 GeV−1cm−2s−1sr−1. Under this assumption, at most two events of the IceCube cosmic candidates can originate from the Galactic Ridge. A simple power-law extrapolation of the Fermi-LAT flux to account for IceCube High Energy Starting Events is excluded at 90% confidence level.http://www.sciencedirect.com/science/article/pii/S0370269316303112Neutrino telescopeDiffuse muon neutrino fluxANTARES |