Accès ouvert déclaré
2018
article
Search for neutrinos from decaying dark matter with IceCube
M. G. Aartsen, M. Ackermann, J. Adams, J. A. Aguilar, M. Ahlers, M. Ahrens, I. Al Samarai, D. Altmann, K. Andeen, T. Anderson, I. Ansseau, G. Anton, C. Argüelles, J. Auffenberg, Spencer Axani, Paul Backes, H. Bagherpour, X. Bai, J. P. Barron, S. W. Barwick, V. Baum, R. Bay, J. J. Beatty, J. Becker Tjus, K.-H. Becker, S. BenZvi, D. Berley, E. Bernardini, D. Besson, G. Binder, D. Bindig, E. Blaufuss, Summer Blot, C. Böhm, M. Börner, F. Bos, S. Böser, O. Botner, E. Bourbeau, J. Bourbeau, F. Bradascio, J. Braun, M. Brenzke, H.-P. Bretz, S. Bron, Jannes Brostean-Kaiser, A. Burgman, R. S. Busse, T. Carver, E. Cheung, D. Chirkin, A. Christov, K. Clark, Lew Classen, G. H. Collin, J. M. Conrad, Paul Coppin, Pablo Correa, D. F. Cowen, R. Cross, P. Dave, M. Day, J. P. A. M. de André, C. De Clercq, J. J. DeLaunay, H.-P. Dembinski, S. De Ridder, P. Desiati, K. D. de Vries, G. de Wasseige, T. DeYoung, J. C. Díaz–Vélez, V. di Lorenzo, H. Dujmovic, J. P. Dumm, M. Dunkman, Emily Dvorak, B. Eberhardt, Thomas Ehrhardt, B. Eichmann, P. Eller, P. A. Evenson, S. Fahey, A. R. Fazely, J. Felde, K. Filimonov, C. Finley, S. Flis, A. Franckowiak, Edward Friedman, Alexander Fritz, T. K. Gaisser, J. S. Gallagher, Erik Ganster, L. Gerhardt, K. Ghorbani, W. Giang, Theo Glauch, T. Glüsenkamp, A. Goldschmidt, J. G. González, D. Grant, Z. Griffith, Christian Haack, A. Hallgren, L. Halve, F. Halzen, K. Hanson, D. Hebecker, D. Heereman, K. Helbing, R. Hellauer, S. Hickford, J. Hignight, G. C. Hill, K. D. Hoffman, R. Hoffmann, Tobias Hoinka, Benjamin Hokanson-Fasig, K. Hoshina, F. Huang, M. E. Huber, K. Hultqvist, Mirco Hünnefeld, R. Hussain, S. In, N. Iovine, A. Ishihara, E. Jacobi, G. S. Japaridze, Minjin Jeong, K. Jero, B. J. P. Jones, P. Kalaczyński, Woosik Kang, A. Kappes, D. Kappesser, T. Karg, A. Karle, U. Katz, M. Kauer, A. Keivani, J. L. Kelley, Ali Kheirandish, J. Kim, M. Kim, T. Kintscher, J. Kiryluk, T. Kittler, Ramesh Koirala, H. Kolanoski, L. Köpke, C. Kopper, S. Kopper, J. P. Koschinsky, D. J. Koskinen, M. Kowalski, K. Krings, M. Kroll, G. Krückl, S. Kunwar, N. Kurahashi, T. Kuwabara, A. Kyriacou, M. Labare, J. L. Lanfranchi, M. J. Larson, Frederik Hermann Lauber, M. Lesiak-Bzdak, M. Leuermann, Qinrui Liu, Elisa Lohfink, L. Lu, J. Lünemann, W. Luszczak, J. Madsen, G. Maggi, Kendall Mahn, Sarah Mancina, R. Maruyama, K. Mase, R. Maunu, K. Meagher, M. Medici, M. Meier, T. Menne, G. Merino, T. Meures, S. Miarecki, J. Micallef, G. Momenté, T. Montaruli, R. W. Moore, Marjon Moulai, R. Nahnhauer, P. Nakarmi, U. Naumann, G. Neer, Hans Niederhausen, Sarah Nowicki, D. R. Nygren, A. Olivas, T. Palczewski, Hershal Pandya, D. V. Pankova, P. Peiffer, Joshua Pepper, D. Pieloth, E. Pinat, M. Plum, P. B. Price, G. T. Przybylski, Christoph Raab, L. Rädel, M. Rameez, L. Rauch, K. Rawlins, I. C. Rea, R. Reimann, B. Relethford, M. Relich, E. Resconi, W. Rhode, M. Richman, S. Robertson, Martin Rongen, C. Rott, T. Ruhe, D. Ryckbosch, D. Rysewyk, I. Safa, A. Sandrock, J. Sandroos, M. Santander, Sourav Sarkar, K. Satalecka, M. Schaufel, P. Schlunder, T. Schmidt, A. Schneider, S. Schoenen, S. Schöneberg, L. Schumacher, S. Sclafani, D. Seckel, S. Seunarine, Jan Soedingrekso, Dennis Soldin, M. Song, G. M. Spiczak, C. Spiering, Juliana Stachurska, M. Stamatikos, Todor Stanev, A. Stasik, Robert Stein, J. Stettner, A. Steuer, T. Stezelberger, R. G. Stokstad, A. Stößl, N. L. Strotjohann, Thomas Stuttard, G. W. Sullivan, M. Sutherland, I. Taboada, J. Tatar, F. Tenholt, S. Ter–Antonyan, A. Terliuk, S. Tilav, P. A. Toale, M. N. Tobin, C. Tönnis, S. Toscano, D. Tosi, M. Tselengidou, C. F. Tung, A. Turcati, Colin Turley, B. Ty, E. Unger, M. Usner, J. Vandenbroucke, W. Van Driessche, D. van Eijk, N. van Eijndhoven, S. Vanheule, J. V. Santen, M. Vraeghe, C. Walck, A. Wallace, M. Wallraff, F. D. Wandler, N. Wandkowsky, A. Waza, C. Weaver, Matthew Weiss, C. Wendt, Johannes Werthebach, S. Westerhoff, B. J. Whelan, K. Wiebe, C. H. Wiebusch, L. Wille, D. R. Williams, L. Wills, M. Wolf, J. Wood, T. R. Wood, E. Woolsey, K. Woschnagg, G. Wrede, D. L. Xu, Xiaolin Xu, Y. Xu, G. Yodh, S. Yoshida, Tianlu Yuan
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Le résumé fourni par la source
With the observation of high-energy astrophysical neutrinos by the IceCube Neutrino Observatory, interest has risen in models of PeV-mass decaying dark matter particles to explain the observed flux. We present two dedicated experimental analyses to test this hypothesis. One analysis uses 6 years of IceCube data focusing on muon neutrino ‘track’ events from the Northern Hemisphere, while the second analysis uses 2 years of ‘cascade’ events from the full sky. Known background components and the hypothetical flux from unstable dark matter are fitted to the experimental data. Since no significant excess is observed in either analysis, lower limits on the lifetime of dark matter particles are derived: we obtain the strongest constraint to date, excluding lifetimes shorter than $10^{28}$ s at 90% CL for dark matter masses above 10 TeV.
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Les sujets associés
Dark Matter and Cosmic PhenomenaAstrophysics and Cosmic PhenomenaComputational Physics and Python Applications