New constraints on all flavor Galactic diffuse neutrino emission with the ANTARES telescope

Albert, A.; André, M.; Anghinolfi, M.; Anton, G.; Ardid, M.; Aubert, J. . J.; Avgitas, T.; Baret, B.; Barrios martí, J.; Basa, S.; Belhorma, B.; Bertin, V.; Biagi, S.; Bormuth, R.; Bourret, S.; Bouwhuis, M.  . C.; Bruijn, R.; Brunner, J.; Busto, J.; Capone, A.; Caramete, L.; Carr, J.; Celli, S.; Cherkaoui El Moursli, R.; Chiarusi, Tommaso; Circella, M.; Coelho, J.  . A.  . B.; Coleiro, A.; Coniglione, R.; Costantini, H.; Coyle, P.; Creusot, A.; Díaz, A.  . F.; Deschamps, A.; De Bonis, G.; Distefano, C.; Di Palma, I.; Domi, A.; Donzaud, C.; Dornic, D.; Drouhin, D.; Eberl, T.; El Bojaddaini, I.; El Khayati, N.; Elsässer, D.; Enzenhöfer, A.; Ettahiri, A.; Fassi, F.; Felis, I.; Fusco, LUIGI ANTONIO; Galatà, S.; Gay, P.; Giordano, V.; Glotin, H.; Grégoire, T.; Gracia Ruiz, R.; Graf, K.; Hallmann, S.; Van Haren, H.; Heijboer, A.  . J.; Hello, Y.; Hernández rey, J.  . J.; Hößl, J.; Hofestädt, J.; Hugon, C.; Illuminati, G.; James, C.  . W.; De Jong, M.; Jongen, M.; Kadler, M.; Kalekin, O.; Katz, U.; Kießling, D.; Kouchner, A.; Kreter, M.; Kreykenbohm, I.; Kulikovskiy, V.; Lachaud, C.; Lahmann, R.; Lefèvre, D.; Leonora, E.; Lotze, M.; Loucatos, S.; Marcelin, M.; Margiotta, Annarita; Marinelli, A.; Martínez mora, J.  . A.; Mele, R.; Melis, K.; Michael, T.; Migliozzi, P.; Moussa, A.; Navas, S.; Nezri, E.; Organokov, M.; Păvălaş, G.  . E.; Pellegrino, Carmelo; Perrina, C.; Piattelli, P.; Popa, V.; Pradier, T.; Quinn, L.; Racca, C.; Riccobene, G.; Sánchez losa, A.; Saldaña, M.; Salvadori, I.; Samtleben, D.  . F.  . E.; Sanguineti, M.; Sapienza, P.; Schüssler, F.; Sieger, C.; Spurio, Maurizio; Stolarczyk, T. H.; Taiuti, M.; Tayalati, Y.; Trovato, A.; Turpin, D.; Tönnis, C.; Vallage, B.; Van Elewyck, V.; Versari, Federico; Vivolo, D.; Vizzoca, A.; Wilms, J.; Zornoza, J.  . D.; Zúñiga, J.; Gaggero, D.; Grasso, D.

doi:10.1103/PhysRevD.96.062001

The flux of very high-energy neutrinos produced in our Galaxy by the interaction of accelerated cosmic rays with the interstellar medium is not yet determined. The characterization of this flux will shed light on Galactic accelerator features, gas distribution morphology and Galactic cosmic ray transport. The central Galactic plane can be the site of an enhanced neutrino production, thus leading to anisotropies in the extraterrestrial neutrino signal as measured by the IceCube Collaboration. The ANTARES neutrino telescope, located in the Mediterranean Sea, offers a favorable view of this part of the sky, thereby allowing for a contribution to the determination of this flux. The expected diffuse Galactic neutrino emission can be obtained, linking a model of generation and propagation of cosmic rays with the morphology of the gas distribution in the Milky Way. In this paper, the so-called “gamma model” introduced recently to explain the high-energy gamma-ray diffuse Galactic emission is assumed as reference. The neutrino flux predicted by the “gamma model” depends on the assumed primary cosmic ray spectrum cutoff. Considering a radially dependent diffusion coefficient, this proposed scenario is able to account for the local cosmic ray measurements, as well as for the Galactic gamma-ray observations. Nine years of ANTARES data are used in this work to search for a possible Galactic contribution according to this scenario. All flavor neutrino interactions are considered. No excess of events is observed, and an upper limit is set on the neutrino flux of 1.1 (1.2) times the prediction of the “gamma model,” assuming the primary cosmic ray spectrum cutoff at 5 (50) PeV. This limit excludes the diffuse Galactic neutrino emission as the major cause of the “spectral anomaly” between the two hemispheres measured by IceCube.

New constraints on all flavor Galactic diffuse neutrino emission with the ANTARES telescope / Albert, A.; André, M.; Anghinolfi, M.; Anton, G.; Ardid, M.; Aubert, J. -. J.; Avgitas, T.; Baret, B.; Barrios-martí, J.; Basa, S.; Belhorma, B.; Bertin, V.; Biagi, S.; Bormuth, R.; Bourret, S.; Bouwhuis, M. . C.; Bruijn, R.; Brunner, J.; Busto, J.; Capone, A.; Caramete, L.; Carr, J.; Celli, S.; Cherkaoui El Moursli, R.; Chiarusi, T.; Circella, M.; Coelho, J. . A. . B.; Coleiro, A.; Coniglione, R.; Costantini, H.; Coyle, P.; Creusot, A.; Díaz, A. . F.; Deschamps, A.; De Bonis, G.; Distefano, C.; Di Palma, I.; Domi, A.; Donzaud, C.; Dornic, D.; Drouhin, D.; Eberl, T.; El Bojaddaini, I.; El Khayati, N.; Elsässer, D.; Enzenhöfer, A.; Ettahiri, A.; Fassi, F.; Felis, I.; Fusco, L. . A.; Galatà, S.; Gay, P.; Giordano, V.; Glotin, H.; Grégoire, T.; Gracia Ruiz, R.; Graf, K.; Hallmann, S.; Van Haren, H.; Heijboer, A. . J.; Hello, Y.; Hernández-rey, J. . J.; Hößl, J.; Hofestädt, J.; Hugon, C.; Illuminati, G.; James, C. . W.; De Jong, M.; Jongen, M.; Kadler, M.; Kalekin, O.; Katz, U.; Kießling, D.; Kouchner, A.; Kreter, M.; Kreykenbohm, I.; Kulikovskiy, V.; Lachaud, C.; Lahmann, R.; Lefèvre, D.; Leonora, E.; Lotze, M.; Loucatos, S.; Marcelin, M.; Margiotta, A.; Marinelli, A.; Martínez-mora, J. . A.; Mele, R.; Melis, K.; Michael, T.; Migliozzi, P.; Moussa, A.; Navas, S.; Nezri, E.; Organokov, M.; Păvălaş, G. . E.; Pellegrino, C.; Perrina, C.; Piattelli, P.; Popa, V.; Pradier, T.; Quinn, L.; Racca, C.; Riccobene, G.; Sánchez-losa, A.; Saldaña, M.; Salvadori, I.; Samtleben, D. . F. . E.; Sanguineti, M.; Sapienza, P.; Schüssler, F.; Sieger, C.; Spurio, M.; Stolarczyk, T. H.; Taiuti, M.; Tayalati, Y.; Trovato, A.; Turpin, D.; Tönnis, C.; Vallage, B.; Van Elewyck, V.; Versari, F.; Vivolo, D.; Vizzoca, A.; Wilms, J.; Zornoza, J. . D.; Zúñiga, J.; Gaggero, D.; Grasso, D.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - ELETTRONICO. - 96:6(2017), pp. 062001.1-062001.8. [10.1103/PhysRevD.96.062001]

New constraints on all flavor Galactic diffuse neutrino emission with the ANTARES telescope

Albert, A.;André, M.;Anghinolfi, M.;Anton, G.;Ardid, M.;Aubert, J. . J.;Avgitas, T.;Baret, B.;Barrios martí, J.;Basa, S.;Belhorma, B.;Bertin, V.;Biagi, S.;Bormuth, R.;Bourret, S.;Bouwhuis, M. . C.;Bruijn, R.;Brunner, J.;Busto, J.;Capone, A.;Caramete, L.;Carr, J.;Celli, S.;Cherkaoui El Moursli, R.;CHIARUSI, TOMMASO;Circella, M.;Coelho, J. . A. . B.;Coleiro, A.;Coniglione, R.;Costantini, H.;Coyle, P.;Creusot, A.;Díaz, A. . F.;Deschamps, A.;De Bonis, G.;Distefano, C.;Di Palma, I.;Domi, A.;Donzaud, C.;Dornic, D.;Drouhin, D.;Eberl, T.;El Bojaddaini, I.;El Khayati, N.;Elsässer, D.;Enzenhöfer, A.;Ettahiri, A.;Fassi, F.;Felis, I.;FUSCO, LUIGI ANTONIO;Galatà, S.;Gay, P.;Giordano, V.;Glotin, H.;Grégoire, T.;Gracia Ruiz, R.;Graf, K.;Hallmann, S.;Van Haren, H.;Heijboer, A. . J.;Hello, Y.;Hernández rey, J. . J.;Hößl, J.;Hofestädt, J.;Hugon, C.;Illuminati, G.;James, C. . W.;De Jong, M.;Jongen, M.;Kadler, M.;Kalekin, O.;Katz, U.;Kießling, D.;Kouchner, A.;Kreter, M.;Kreykenbohm, I.;Kulikovskiy, V.;Lachaud, C.;Lahmann, R.;Lefèvre, D.;Leonora, E.;Lotze, M.;Loucatos, S.;Marcelin, M.;MARGIOTTA, ANNARITA;Marinelli, A.;Martínez mora, J. . A.;Mele, R.;Melis, K.;Michael, T.;Migliozzi, P.;Moussa, A.;Navas, S.;Nezri, E.;Organokov, M.;Păvălaş, G. . E.;PELLEGRINO, CARMELO;Perrina, C.;Piattelli, P.;Popa, V.;Pradier, T.;Quinn, L.;Racca, C.;Riccobene, G.;Sánchez losa, A.;Saldaña, M.;Salvadori, I.;Samtleben, D. . F. . E.;Sanguineti, M.;Sapienza, P.;Schüssler, F.;Sieger, C.;SPURIO, MAURIZIO;Stolarczyk, T. H.;Taiuti, M.;Tayalati, Y.;Trovato, A.;Turpin, D.;Tönnis, C.;Vallage, B.;Van Elewyck, V.;VERSARI, FEDERICO;Vivolo, D.;Vizzoca, A.;Wilms, J.;Zornoza, J. . D.;Zúñiga, J.;Gaggero, D.;Grasso, D.

2017

Abstract

The flux of very high-energy neutrinos produced in our Galaxy by the interaction of accelerated cosmic rays with the interstellar medium is not yet determined. The characterization of this flux will shed light on Galactic accelerator features, gas distribution morphology and Galactic cosmic ray transport. The central Galactic plane can be the site of an enhanced neutrino production, thus leading to anisotropies in the extraterrestrial neutrino signal as measured by the IceCube Collaboration. The ANTARES neutrino telescope, located in the Mediterranean Sea, offers a favorable view of this part of the sky, thereby allowing for a contribution to the determination of this flux. The expected diffuse Galactic neutrino emission can be obtained, linking a model of generation and propagation of cosmic rays with the morphology of the gas distribution in the Milky Way. In this paper, the so-called “gamma model” introduced recently to explain the high-energy gamma-ray diffuse Galactic emission is assumed as reference. The neutrino flux predicted by the “gamma model” depends on the assumed primary cosmic ray spectrum cutoff. Considering a radially dependent diffusion coefficient, this proposed scenario is able to account for the local cosmic ray measurements, as well as for the Galactic gamma-ray observations. Nine years of ANTARES data are used in this work to search for a possible Galactic contribution according to this scenario. All flavor neutrino interactions are considered. No excess of events is observed, and an upper limit is set on the neutrino flux of 1.1 (1.2) times the prediction of the “gamma model,” assuming the primary cosmic ray spectrum cutoff at 5 (50) PeV. This limit excludes the diffuse Galactic neutrino emission as the major cause of the “spectral anomaly” between the two hemispheres measured by IceCube.

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	Anno
	
			2017
		
	Rivista
	
			PHYSICAL REVIEW D
		
	Codice DOI
	
			https://dx.doi.org/10.1103/PhysRevD.96.062001
		
	Citazione
	
			New constraints on all flavor Galactic diffuse neutrino emission with the ANTARES telescope / Albert, A.; André, M.; Anghinolfi, M.; Anton, G.; Ardid, M.; Aubert, J. -. J.; Avgitas, T.; Baret, B.; Barrios-martí, J.; Basa, S.; Belhorma, B.; Bertin, V.; Biagi, S.; Bormuth, R.; Bourret, S.; Bouwhuis, M.  . C.; Bruijn, R.; Brunner, J.; Busto, J.; Capone, A.; Caramete, L.; Carr, J.; Celli, S.; Cherkaoui El Moursli, R.; Chiarusi, T.; Circella, M.; Coelho, J.  . A.  . B.; Coleiro, A.; Coniglione, R.; Costantini, H.; Coyle, P.; Creusot, A.; Díaz, A.  . F.; Deschamps, A.; De Bonis, G.; Distefano, C.; Di Palma, I.; Domi, A.; Donzaud, C.; Dornic, D.; Drouhin, D.; Eberl, T.; El Bojaddaini, I.; El Khayati, N.; Elsässer, D.; Enzenhöfer, A.; Ettahiri, A.; Fassi, F.; Felis, I.; Fusco, L.  . A.; Galatà, S.; Gay, P.; Giordano, V.; Glotin, H.; Grégoire, T.; Gracia Ruiz, R.; Graf, K.; Hallmann, S.; Van Haren, H.; Heijboer, A.  . J.; Hello, Y.; Hernández-rey, J.  . J.; Hößl, J.; Hofestädt, J.; Hugon, C.; Illuminati, G.; James, C.  . W.; De Jong, M.; Jongen, M.; Kadler, M.; Kalekin, O.; Katz, U.; Kießling, D.; Kouchner, A.; Kreter, M.; Kreykenbohm, I.; Kulikovskiy, V.; Lachaud, C.; Lahmann, R.; Lefèvre, D.; Leonora, E.; Lotze, M.; Loucatos, S.; Marcelin, M.; Margiotta, A.; Marinelli, A.; Martínez-mora, J.  . A.; Mele, R.; Melis, K.; Michael, T.; Migliozzi, P.; Moussa, A.; Navas, S.; Nezri, E.; Organokov, M.; Păvălaş, G.  . E.; Pellegrino, C.; Perrina, C.; Piattelli, P.; Popa, V.; Pradier, T.; Quinn, L.; Racca, C.; Riccobene, G.; Sánchez-losa, A.; Saldaña, M.; Salvadori, I.; Samtleben, D.  . F.  . E.; Sanguineti, M.; Sapienza, P.; Schüssler, F.; Sieger, C.; Spurio, M.; Stolarczyk, T. H.; Taiuti, M.; Tayalati, Y.; Trovato, A.; Turpin, D.; Tönnis, C.; Vallage, B.; Van Elewyck, V.; Versari, F.; Vivolo, D.; Vizzoca, A.; Wilms, J.; Zornoza, J.  . D.; Zúñiga, J.; Gaggero, D.; Grasso, D.. - In: PHYSICAL REVIEW D. - ISSN 2470-0010. - ELETTRONICO. - 96:6(2017), pp. 062001.1-062001.8. [10.1103/PhysRevD.96.062001]
		
	Tutti gli autori
	
			Albert, A.; André, M.; Anghinolfi, M.; Anton, G.; Ardid, M.; Aubert, J. -. J.; Avgitas, T.; Baret, B.; Barrios-martí, J.; Basa, S.; Belhorma, B.; Bertin, V.; Biagi, S.; Bormuth, R.; Bourret, S.; Bouwhuis, M.  . C.; Bruijn, R.; Brunner, J.; Busto, J.; Capone, A.; Caramete, L.; Carr, J.; Celli, S.; Cherkaoui El Moursli, R.; Chiarusi, T.; Circella, M.; Coelho, J.  . A.  . B.; Coleiro, A.; Coniglione, R.; Costantini, H.; Coyle, P.; Creusot, A.; Díaz, A.  . F.; Deschamps, A.; De Bonis, G.; Distefano, C.; Di Palma, I.; Domi, A.; Donzaud, C.; Dornic, D.; Drouhin, D.; Eberl, T.; El Bojaddaini, I.; El Khayati, N.; Elsässer, D.; Enzenhöfer, A.; Ettahiri, A.; Fassi, F.; Felis, I.; Fusco, L.  . A.; Galatà, S.; Gay, P.; Giordano, V.; Glotin, H.; Grégoire, T.; Gracia Ruiz, R.; Graf, K.; Hallmann, S.; Van Haren, H.; Heijboer, A.  . J.; Hello, Y.; Hernández-rey, J.  . J.; Hößl, J.; Hofestädt, J.; Hugon, C.; Illuminati, G.; James, C.  . W.; De Jong, M.; Jongen, M.; Kadler, M.; Kalekin, O.; Katz, U.; Kießling, D.; Kouchner, A.; Kreter, M.; Kreykenbohm, I.; Kulikovskiy, V.; Lachaud, C.; Lahmann, R.; Lefèvre, D.; Leonora, E.; Lotze, M.; Loucatos, S.; Marcelin, M.; Margiotta, A.; Marinelli, A.; Martínez-mora, J.  . A.; Mele, R.; Melis, K.; Michael, T.; Migliozzi, P.; Moussa, A.; Navas, S.; Nezri, E.; Organokov, M.; Păvălaş, G.  . E.; Pellegrino, C.; Perrina, C.; Piattelli, P.; Popa, V.; Pradier, T.; Quinn, L.; Racca, C.; Riccobene, G.; Sánchez-losa, A.; Saldaña, M.; Salvadori, I.; Samtleben, D.  . F.  . E.; Sanguineti, M.; Sapienza, P.; Schüssler, F.; Sieger, C.; Spurio, M.; Stolarczyk, T. H.; Taiuti, M.; Tayalati, Y.; Trovato, A.; Turpin, D.; Tönnis, C.; Vallage, B.; Van Elewyck, V.; Versari, F.; Vivolo, D.; Vizzoca, A.; Wilms, J.; Zornoza, J.  . D.; Zúñiga, J.; Gaggero, D.; Grasso, D.
		
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