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All-sky search for time-integrated neutrino emission from astrophysical sources with 7 yr of IceCube data

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Abstract
Since the recent detection of an astrophysical flux of high-energy neutrinos, the question of its origin has not yet fully been answered. Much of what is known about this flux comes from a small event sample of high neutrino purity, good energy resolution, but large angular uncertainties. In searches for point-like sources, on the other hand, the best performance is given by using large statistics and good angular reconstructions. Track-like muon events produced in neutrino interactions satisfy these requirements. We present here the results of searches for point-like sources with neutrinos using data acquired by the IceCube detector over 7 yr from 2008 to 2015. The discovery potential of the analysis in the northern sky is now significantly below E(nu)(2)d phi/dE(nu) = 10(-12) TeV cm(-2) s(-1), on average 38% lower than the sensitivity of the previously published analysis of 4 yr exposure. No significant clustering of neutrinos above background expectation was observed, and implications for prominent neutrino source candidates are discussed.
Keywords
astroparticle physics, galaxies: active, neutrinos, ENERGY COSMIC-RAYS, CRAB-NEBULA, POINT-LIKE, LIKELIHOOD ANALYSIS, GAMMA-RAYS, TELESCOPES, SYSTEM, PULSAR, FLUX, PERFORMANCE

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MLA
Aartsen, MG, et al. “All-Sky Search for Time-Integrated Neutrino Emission from Astrophysical Sources with 7 Yr of IceCube Data.” ASTROPHYSICAL JOURNAL, vol. 835, no. 2, 2017, doi:10.3847/1538-4357/835/2/151.
APA
Aartsen, M., Abraham, K., Ackermann, M., Adams, J., Aguilar, J., Ahlers, M., … Zoll, M. (2017). All-sky search for time-integrated neutrino emission from astrophysical sources with 7 yr of IceCube data. ASTROPHYSICAL JOURNAL, 835(2). https://doi.org/10.3847/1538-4357/835/2/151
Chicago author-date
Aartsen, MG, K Abraham, M Ackermann, J Adams, JA Aguilar, M Ahlers, M Ahrens, et al. 2017. “All-Sky Search for Time-Integrated Neutrino Emission from Astrophysical Sources with 7 Yr of IceCube Data.” ASTROPHYSICAL JOURNAL 835 (2). https://doi.org/10.3847/1538-4357/835/2/151.
Chicago author-date (all authors)
Aartsen, MG, K Abraham, M Ackermann, J Adams, JA Aguilar, M Ahlers, M Ahrens, D Altmann, K Andeen, T Anderson, I Ansseau, G Anton, M Archinger, C Arguelles, J Auffenberg, S Axani, X Bai, SW Barwick, V Baum, R Bay, JJ Beatty, J Becker Tjus, K-H Becker, S BenZvi, D Berley, E Bernardini, A Bernhard, DZ Besson, G Binder, D Bindig, M Bissok, E Blaufuss, S Blot, C Bohm, M Boerner, F Bos, D Bose, S Boeser, O Botner, J Braun, L Brayeur, H-P Bretz, S Bron, A Burgman, T Carver, M Casier, E Cheung, D Chirkin, A Christov, K Clark, L Classen, S Coenders, GH Collin, JM Conrad, DF Cowen, R Cross, M Day, JPAM de Andre, C De Clercq, E. del Pino Rosendo, H Dembinski, Sam De Ridder, P Desiati, KD de Vries, G de Wasseige, M de With, T DeYoung, JC Diaz-Velez, V di Lorenzo, H Dujmovic, JP Dumm, M Dunkman, B Eberhardt, T Ehrhardt, B Eichmann, P Eller, S Euler, PA Evenson, S Fahey, AR Fazely, J Feintzeig, J Felde, K Filimonov, C Finley, S Flis, C-C Foesig, A Franckowiak, E Friedman, T Fuchs, TK Gaisser, J Gallagher, L Gerhardt, K Ghorbani, W Giang, L Gladstone, T Glauch, T Gluesenkamp, A Goldschmidt, G Golup, JG Gonzalez, D Grant, Z Griffith, C Haack, Abd Al Karim Haj Ismail, A Hallgren, F Halzen, E Hansen, T Hansmann, K Hanson, D Hebecker, D Heereman, K Helbing, R Hellauer, S Hickford, J Hignight, GC Hill, KD Hoffman, R Hoffmann, K Holzapfel, K Hoshina, F Huang, M Huber, K Hultqvist, S In, A Ishihara, E Jacobi, GS Japaridze, M Jeong, K Jero, BJP Jones, M Jurkovic, A Kappes, T Karg, A Karle, U Katz, M Kauer, A Keivani, JL Kelley, A Kheirandish, M Kim, T Kintscher, J Kiryluk, T Kittler, SR Klein, G Kohnen, R Koirala, H Kolanoski, R Konietz, L Koepke, C Kopper, S Kopper, DJ Koskinen, M Kowalski, K Krings, M Kroll, G Krueckl, C Kruger, J Kunnen, S Kunwar, N Kurahashi, T Kuwabara, Mathieu Labare, JL Lanfranchi, MJ Larson, F Lauber, D Lennarz, M Lesiak-Bzdak, M Leuermann, L Lu, J Lunemann, J Madsen, G Maggi, KBM Mahn, S Mancina, M Mandelartz, R Maruyama, K Mase, R Maunu, F McNally, K Meagher, M Medici, M Meier, Athina Meli, T Menne, G Merino, T Meures, S Miarecki, L Mohrmann, T Montaruli, M Moulai, R Nahnhauer, U Naumann, G Neer, H Niederhausen, SC Nowicki, DR Nygren, A. Obertacke Pollmann, A Olivas, A O’Murchadha, T Palczewski, H Pandya, DV Pankova, P Peiffer, Oe Penek, JA Pepper, C Perez de los Heros, D Pieloth, E Pinat, PB Price, GT Przybylski, M Quinnan, C Raab, L Raedel, M Rameez, K Rawlins, R Reimann, B Relethford, M Relich, E Resconi, W Rhode, M Richman, B Riedel, S Robertson, M Rongen, C Rott, T Ruhe, Dirk Ryckbosch, D Rysewyk, L Sabbatini, SE Sanchez Herrera, A Sandrock, J Sandroos, S Sarkar, K Satalecka, P Schlunder, T Schmidt, S Schoenen, S Schoeneberg, L Schumacher, D Seckel, S Seunarine, D Soldin, M Song, GM Spiczak, C Spiering, T Stanev, A Stasik, J Stettner, A Steuer, T Stezelberger, RG Stokstad, A Stoessl, R Stroem, NL Strotjohann, GW Sullivan, M Sutherland, H Taavola, I Taboada, J Tatar, F Tenholt, S Ter-Antonyan, A Terliuk, G Tesic, S Tilav, PA Toale, N Tobin, S Toscano, D Tosi, M Tselengidou, A Turcati, E Unger, M Usner, J Vandenbroucke, N van Eijndhoven, Sander Vanheule, M van Rossem, J van Santen, J Veenkamp, M Vehring, M Voge, E Vogel, Matthias Vraeghe, C Walck, A Wallace, M Wallraff, N Wandkowsky, Ch Weaver, MJ Weiss, C Wendt, S Westerhoff, BJ Whelan, S Wickmann, K Wiebe, CH Wiebusch, L Wille, DR Williams, L Wills, M Wolf, TR Wood, E Woolsey, K Woschnagg, DL Xu, XW Xu, Y Xu, JP Yanez, G Yodh, S Yoshida, and M Zoll. 2017. “All-Sky Search for Time-Integrated Neutrino Emission from Astrophysical Sources with 7 Yr of IceCube Data.” ASTROPHYSICAL JOURNAL 835 (2). doi:10.3847/1538-4357/835/2/151.
Vancouver
1.
Aartsen M, Abraham K, Ackermann M, Adams J, Aguilar J, Ahlers M, et al. All-sky search for time-integrated neutrino emission from astrophysical sources with 7 yr of IceCube data. ASTROPHYSICAL JOURNAL. 2017;835(2).
IEEE
[1]
M. Aartsen et al., “All-sky search for time-integrated neutrino emission from astrophysical sources with 7 yr of IceCube data,” ASTROPHYSICAL JOURNAL, vol. 835, no. 2, 2017.
@article{8565635,
  abstract     = {{Since the recent detection of an astrophysical flux of high-energy neutrinos, the question of its origin has not yet fully been answered. Much of what is known about this flux comes from a small event sample of high neutrino purity, good energy resolution, but large angular uncertainties. In searches for point-like sources, on the other hand, the best performance is given by using large statistics and good angular reconstructions. Track-like muon events produced in neutrino interactions satisfy these requirements. We present here the results of searches for point-like sources with neutrinos using data acquired by the IceCube detector over 7 yr from 2008 to 2015. The discovery potential of the analysis in the northern sky is now significantly below E(nu)(2)d phi/dE(nu) = 10(-12) TeV cm(-2) s(-1), on average 38% lower than the sensitivity of the previously published analysis of 4 yr exposure. No significant clustering of neutrinos above background expectation was observed, and implications for prominent neutrino source candidates are discussed.}},
  articleno    = {{151}},
  author       = {{Aartsen, MG and Abraham, K and Ackermann, M and Adams, J and Aguilar, JA and Ahlers, M and Ahrens, M and Altmann, D and Andeen, K and Anderson, T and Ansseau, I and Anton, G and Archinger, M and Arguelles, C and Auffenberg, J and Axani, S and Bai, X and Barwick, SW and Baum, V and Bay, R and Beatty, JJ and Becker Tjus, J and Becker, K-H and BenZvi, S and Berley, D and Bernardini, E and Bernhard, A and Besson, DZ and Binder, G and Bindig, D and Bissok, M and Blaufuss, E and Blot, S and Bohm, C and Boerner, M and Bos, F and Bose, D and Boeser, S and Botner, O and Braun, J and Brayeur, L and Bretz, H-P and Bron, S and Burgman, A and Carver, T and Casier, M and Cheung, E and Chirkin, D and Christov, A and Clark, K and Classen, L and Coenders, S and Collin, GH and Conrad, JM and Cowen, DF and Cross, R and Day, M and de Andre, JPAM and De Clercq, C and del Pino Rosendo, E. and Dembinski, H and De Ridder, Sam and Desiati, P and de Vries, KD and de Wasseige, G and de With, M and DeYoung, T and Diaz-Velez, JC and di Lorenzo, V and Dujmovic, H and Dumm, JP and Dunkman, M and Eberhardt, B and Ehrhardt, T and Eichmann, B and Eller, P and Euler, S and Evenson, PA and Fahey, S and Fazely, AR and Feintzeig, J and Felde, J and Filimonov, K and Finley, C and Flis, S and Foesig, C-C and Franckowiak, A and Friedman, E and Fuchs, T and Gaisser, TK and Gallagher, J and Gerhardt, L and Ghorbani, K and Giang, W and Gladstone, L and Glauch, T and Gluesenkamp, T and Goldschmidt, A and Golup, G and Gonzalez, JG and Grant, D and Griffith, Z and Haack, C and Haj Ismail, Abd Al Karim and Hallgren, A and Halzen, F and Hansen, E and Hansmann, T and Hanson, K and Hebecker, D and Heereman, D and Helbing, K and Hellauer, R and Hickford, S and Hignight, J and Hill, GC and Hoffman, KD and Hoffmann, R and Holzapfel, K and Hoshina, K and Huang, F and Huber, M and Hultqvist, K and In, S and Ishihara, A and Jacobi, E and Japaridze, GS and Jeong, M and Jero, K and Jones, BJP and Jurkovic, M and Kappes, A and Karg, T and Karle, A and Katz, U and Kauer, M and Keivani, A and Kelley, JL and Kheirandish, A and Kim, M and Kintscher, T and Kiryluk, J and Kittler, T and Klein, SR and Kohnen, G and Koirala, R and Kolanoski, H and Konietz, R and Koepke, L and Kopper, C and Kopper, S and Koskinen, DJ and Kowalski, M and Krings, K and Kroll, M and Krueckl, G and Kruger, C and Kunnen, J and Kunwar, S and Kurahashi, N and Kuwabara, T and Labare, Mathieu and Lanfranchi, JL and Larson, MJ and Lauber, F and Lennarz, D and Lesiak-Bzdak, M and Leuermann, M and Lu, L and Lunemann, J and Madsen, J and Maggi, G and Mahn, KBM and Mancina, S and Mandelartz, M and Maruyama, R and Mase, K and Maunu, R and McNally, F and Meagher, K and Medici, M and Meier, M and Meli, Athina and Menne, T and Merino, G and Meures, T and Miarecki, S and Mohrmann, L and Montaruli, T and Moulai, M and Nahnhauer, R and Naumann, U and Neer, G and Niederhausen, H and Nowicki, SC and Nygren, DR and Obertacke Pollmann, A. and Olivas, A and O'Murchadha, A and Palczewski, T and Pandya, H and Pankova, DV and Peiffer, P and Penek, Oe and Pepper, JA and Perez de los Heros, C and Pieloth, D and Pinat, E and Price, PB and Przybylski, GT and Quinnan, M and Raab, C and Raedel, L and Rameez, M and Rawlins, K and Reimann, R and Relethford, B and Relich, M and Resconi, E and Rhode, W and Richman, M and Riedel, B and Robertson, S and Rongen, M and Rott, C and Ruhe, T and Ryckbosch, Dirk and Rysewyk, D and Sabbatini, L and Sanchez Herrera, SE and Sandrock, A and Sandroos, J and Sarkar, S and Satalecka, K and Schlunder, P and Schmidt, T and Schoenen, S and Schoeneberg, S and Schumacher, L and Seckel, D and Seunarine, S and Soldin, D and Song, M and Spiczak, GM and Spiering, C and Stanev, T and Stasik, A and Stettner, J and Steuer, A and Stezelberger, T and Stokstad, RG and Stoessl, A and Stroem, R and Strotjohann, NL and Sullivan, GW and Sutherland, M and Taavola, H and Taboada, I and Tatar, J and Tenholt, F and Ter-Antonyan, S and Terliuk, A and Tesic, G and Tilav, S and Toale, PA and Tobin, N and Toscano, S and Tosi, D and Tselengidou, M and Turcati, A and Unger, E and Usner, M and Vandenbroucke, J and van Eijndhoven, N and Vanheule, Sander and van Rossem, M and van Santen, J and Veenkamp, J and Vehring, M and Voge, M and Vogel, E and Vraeghe, Matthias and Walck, C and Wallace, A and Wallraff, M and Wandkowsky, N and Weaver, Ch and Weiss, MJ and Wendt, C and Westerhoff, S and Whelan, BJ and Wickmann, S and Wiebe, K and Wiebusch, CH and Wille, L and Williams, DR and Wills, L and Wolf, M and Wood, TR and Woolsey, E and Woschnagg, K and Xu, DL and Xu, XW and Xu, Y and Yanez, JP and Yodh, G and Yoshida, S and Zoll, M}},
  issn         = {{0004-637X}},
  journal      = {{ASTROPHYSICAL JOURNAL}},
  keywords     = {{astroparticle physics,galaxies: active,neutrinos,ENERGY COSMIC-RAYS,CRAB-NEBULA,POINT-LIKE,LIKELIHOOD ANALYSIS,GAMMA-RAYS,TELESCOPES,SYSTEM,PULSAR,FLUX,PERFORMANCE}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{15}},
  title        = {{All-sky search for time-integrated neutrino emission from astrophysical sources with 7 yr of IceCube data}},
  url          = {{http://doi.org/10.3847/1538-4357/835/2/151}},
  volume       = {{835}},
  year         = {{2017}},
}

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