Cosmic Ray Anisotropy with Eleven Years of IceCube Data
F. McNally*,
R. Abbasi,
P. Desiati,
J.C. Diaz-Velez,
C. Cochling,
K. Gruchot,
W. Hayes, A. Moy, E. Schmidt, A. Thorpe on behalf of the IceCube Collaboration, M. Ackermann, J. Adams, S.K. Agarwalla, J. Aguilar, M. Ahlers, J.M. Alameddine, N.M.B. Amin, K. Andeen, G. Anton, C. Argüelles, Y. Ashida, S. Athanasiadou, S. Axani, X. Bai, A. Balagopal V., M. Baricevic, S. Barwick, V. Basu, R. Bay, J. Beatty, J. Becker Tjus, J. Beise, C. Bellenghi, C. Benning, S. BenZvi, D. Berley, E. Bernardini, D. Besson, E. Blaufuss, S. Blot, F. Bontempo, J. Book, C. Boscolo Meneguolo, S. Boser, O. Botner, J. Bottcher, E. Bourbeau, J. Braun, B. Brinson, J. Brostean-Kaiser, R.T. Burley, R. Busse, D. Butterfield, M. Campana, K. Carloni, E. Carnie-Bronca, S. Chattopadhyay, T.N. Chau, C. Chen, Z. Chen, D. Chirkin, S. Choi, B. Clark, L. Classen, A. Coleman, G. Collin, A. Connolly, J. Conrad, P. Coppin, P. Correa, D. Cowen, P. Dave, C. De Clercq, J. DeLaunay, D. Delgado Lopez, S. Deng, K. Deoskar, A. Desai, K. de Vries, G. de Wasseige, T. DeYoung, A. Diaz, M. Dittmer, A. Domi, H. Dujmovic, M. DuVernois, T. Ehrhardt, P. Eller, E. Ellinger, S. El Mentawi, D. Elsässer, R. Engel, H. Erpenbeck, J. Evans, P. Evenson, K.L. Fan, K. Fang, K.R. Farrag, A. Fazely, A. Fedynitch, N. Feigl, S. Fiedlschuster, C. Finley, L. Fischer, D.B. Fox, A. Franckowiak, A. Fritz, P. Furst, J. Gallagher, E. Ganster, A. Garcia, L. Gerhardt, A. Ghadimi, C. Glaser, T. Glauch, T. Glusenkamp, N. Goehlke, J. Gonzalez, S. Goswami, D. Grant, S. Gray, O. Gries, S. Griffin, S. Griswold, K.M. Groth, C. Günther, P. Gutjahr, C. Haack, A. Hallgren, R. Halliday, L. Halve, F. Halzen, H. Hamdaoui, M. Ha Minh, K. Hanson, J. Hardin, A. Harnisch, P. Hatch, A. Haungs, K. Helbing, J. Hellrung, F. Henningsen, L.P. Heuermann, N. Heyer, S. Hickford, A. Hidvegi, C. Hill, G. Hill, K. Hoffman, S. Hori, K. Hoshina, W. Hou, T. Huber, K. Hultqvist, M. Hunnefeld, R. Hussain, K. Hymon, S. In, A. Ishihara, M. Jacquart, O. Janik, M. Jansson, G. Japaridze, M. Jeong, M. Jin, B. Jones, D. Kang, W. Kang, X. Kang, A. Kappes, D. Kappesser, L. Kardum, T. Karg, M. Karl, A. Karle, U. Katz, M. Kauer, J. Kelley, A. Khatee Zathul, A. Kheirandish, J. Kiryluk, S. Klein, A. Kochocki, R. Koirala, H. Kolanoski, T. Kontrimas, L. Kopke, C. Kopper, J. Koskinen, P. Koundal, M. Kovacevich, M. Kowalski, T. Kozynets, K. Jayakumar, K. Kruiswijk, E. Krupczak, A. Kumar, E. Kun, N.K. Neilson, N.N. Lad, C. Lagunas Gualda, M. Lamoureux, M.J. Larson, S. Latseva, F.H. Lauber, J. Lazar, J. Lee, K. Leonard DeHolton, A. Leszczynska, M. Lincetto, Q. Liu, M. Liubarska, E. Lohfink, C. Love, C.J. Lozano Mariscal, L. Lu, F. Lucarelli, W. Luszczak, Y. Lyu, J. Madsen, K. Mahn, Y. Makino, E. Manao, S. Mancina, W. Marie Sainte, I.C. Maris, S. Marka, Z. Marka, M. Marsee, I. Martinez-Soler, R.H. Maruyama, F. Mayhew, T. McElroy, J.V. Mead, K. Meagher, S. Mechbal, A. Medina, M. Meier, Y. Merckx, L. Merten, J. Micallef, J. Mitchell, T. Montaruli, R. Moore, Y. Morii, B. Morse, M. Moulai, T. Mukherjee, R. Naab, R. Nagai, M. Nakos, U. Naumann, J. Necker, A. Negi, M. Neumann, H. Niederhausen, M. Nisa, A. Noell, A. Novikov, S. Nowicki, A. Pollmann, V. O'Dell, M. Oehler, B. Oeyen, A. Olivas, R. Ørsøe, J. Osborn, E. O'Sullivan, H. Pandya, N. Park, G. Parker, E.N. Paudel, L. Paul, C. Pérez de los Heros, J. Peterson, S. Philippen, A. Pizzuto, M. Plum, A. Ponten, Y. Popovych, M. Prado Rodriguez, B. Pries, R. Procter-Murphy, G. Przybylski, C. Raab, J. Rack-Helleis, K. Rawlins, Z. Rechav, A. Rehman, P. Reichherzer, G. Renzi, E. Resconi, S. Reusch, W. Rhode, B. Riedel, A. Rifaie, E. Roberts, S. Robertson, S.T. Rodan, G. Roellinghoff, M. Rongen, C. Rott, T. Ruhe, L. Ruohan, D. Ryckbosch, I. Safa, J. Saffer, D. Salazar-Gallegos, P. Sampathkumar, S. Sanchez Herrera, A. Sandrock, M. Santander, S. Sarkar, S. Sarkar, J. Savelberg, P. Savina, M. Schaufel, H. Schieler, S. Schindler, L. Schlickmann, B. Schlüter, F. Schlüter, N. Schmeisser, T. Schmidt, J. Schneider, F. Schröder, L.J. Schumacher, G. Schwefer, S. Sclafani, D. Seckel, M.F.H. Seikh, S. Seunarine, R. Shah, A. Sharma, Shefali, N. Shimizu, M. Silva, B. Skrzypek, B. Smithers, R. Snihur, J. Soedingrekso, A. Sogaard, D. Soldin, P. Soldin, G. Sommani, C. Spannfellner, G. Spiczak, C. Spiering, M. Stamatikos, T. Stanev, T. Stezelberger, T. Sturwald, T. Stuttard, G. Sullivan, I. Taboada, S. Ter-Antonyan, M. Thiesmeyer, W. Thompson, J. Thwaites, S. Tilav, K. Tollefson, C. Tönnis, S. Toscano, D. Tosi, A. Trettin, C.F. Tung, R. Turcotte, J.P. Twagirayezu, B. Ty, M. Unland Elorrieta, A.K. Upadhyay, K. Upshaw, N. Valtonen-Mattila, J. Vandenbroucke, N. van Eijndhoven, D. Vannerom, J. van Santen, J. Vara, J. Veitch-Michaelis, M. Venugopal, M. Vereecken, S. Verpoest, D. Veske, A. Vijai, C. Walck, C. Weaver, P. Weigel, A. Weindl, J. Weldert, C. Wendt, J. Werthebach, M. Weyrauch, N. Whitehorn, C. Wiebusch, N. Willey, D. Williams, L. Witthaus, A. Wolf, M. Wolf, G. Wrede, X. Xu, J.P. Yanez, E.B. Yildizci, S. Yoshida, R. Young, F.J. Yu, S. Yu, T. Yuan, Z. Zhang, P. Zhelnin and M. Zimmermanet al. (click to show)*: corresponding author
Pre-published on:
August 08, 2023
Published on:
September 27, 2024
Abstract
The IceCube Observatory provides our highest-statistics picture of the cosmic-ray arrival directions in the Southern Hemisphere, with over 700 billion cosmic-ray-induced muon events collected between May 2011 and May 2022. Using the larger data volume, we find an improved significance of the PeV cosmic ray anisotropy down to scales of $6^\circ$. In addition, we observe a variation in the angular power spectrum as a function of energy, hinting at a relative decrease in large-scale features above 100 TeV. The data-taking period covers a complete solar cycle, providing new insight into the time variability of the signal. We present preliminary results using this up-to-date event sample.
DOI: https://doi.org/10.22323/1.444.0360
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