Measurement of the astrophysical diffuse neutrino flux in a combined fit of IceCube’s high energy neutrino data
Presented by
R. Naab*,
E. Ganster and
Z. Zhang on behalf of
on behalf of the IceCube Collaboration,
R. Abbasi,
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, P. Desiati, K. de Vries, G. de Wasseige, T. DeYoung, A. Diaz, J.C. Diaz-Velez, 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, 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, F. McNally, 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. 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. Orsoe, 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, S. 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, P. Zhelnin and M. Zimmermanet al. (click to show)*: corresponding author
Pre-published on:
August 09, 2023
Published on:
September 27, 2024
Abstract
The IceCube Neutrino Observatory has discovered a diffuse neutrino flux of astrophysical origin and measures its properties in various detection channels. With more than 10 years of data, we use multiple data samples from different detection channels for a combined fit of the diffuse astrophysical neutrino spectrum. This leverages the complementary information of different neutrino event signatures. For the first time, we use a coherent modeling of the signal and background, as well as the detector response and corresponding systematic uncertainties. The detector response is continuously varied during the simulation in order to generate a general purpose Monte Carlo set, which is central to our approach. We present a combined fit yielding a measurement of the diffuse astrophysical neutrino flux properties with unprecedented precision.
DOI: https://doi.org/10.22323/1.444.1064
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