1. Lateral distribution of muons in IceCube cosmic ray events
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Collaboration, I, Abbasi, R, Abdou, Y, Ackermann, M, Adams, J, Aguilar, JA, Ahlers, M, Altmann, D, Andeen, K, Auffenberg, J, Bai, X, Baker, M, Barwick, SW, Baum, V, Bay, R, Beattie, K, Beatty, JJ, Bechet, S, Tjus, JB, Becker, KH, Bell, M, Benabderrahmane, ML, BenZvi, S, Berdermann, J, Berghaus, P, Berley, D, Bernardini, E, Bertrand, D, Besson, DZ, Bindig, D, Bissok, M, Blaufuss, E, Blumenthal, J, Boersma, DJ, Bohm, C, Bose, D, Böser, S, Botner, O, Brayeur, L, Brown, AM, Bruijn, R, Brunner, J, Buitink, S, Carson, M, Casey, J, Casier, M, Chirkin, D, Christy, B, Clevermann, F, Cohen, S, Cowen, DF, Silva, AHC, Danninger, M, Daughhetee, J, Davis, JC, Clercq, CD, Descamps, F, Desiati, P, Vries-Uiterweerd, GD, DeYoung, T, Díaz-Vélez, JC, Dreyer, J, Dumm, JP, Dunkman, M, Eagan, R, Eisch, J, Elliott, C, Ellsworth, RW, Engdegård, O, Euler, S, Evenson, PA, Fadiran, O, Fazely, AR, Fedynitch, A, Feintzeig, J, Feusels, T, Filimonov, K, Finley, C, Fischer-Wasels, T, Flis, S, Franckowiak, A, Franke, R, Frantzen, K, Fuchs, T, Gaisser, TK, Gallagher, J, Gerhardt, L, Gladstone, L, Glüsenkamp, T, Goldschmidt, A, Goodman, JA, Góra, D, Grant, D, Groß, A, Grullon, S, Gurtner, M, Ha, C, Ismail, AH, Hallgren, A, Halzen, F, Hanson, K, Heereman, D, Heimann, P, Heinen, D, Helbing, K, Hellauer, R, Hickford, S, Hill, GC, Hoffman, KD, Hoffmann, R, Homeier, A, Hoshina, K, Huelsnitz, W, Hulth, PO, Hultqvist, K, Hussain, S, Ishihara, A, Jacobi, E, Jacobsen, J, Japaridze, GS, Jlelati, O, Kappes, A, Karg, T, Karle, A, Kiryluk, J, Kislat, F, Kläs, J, Klein, SR, Klepser, S, Köhne, JH, Kohnen, G, Kolanoski, H, Köpke, L, Kopper, C, Kopper, S, Koskinen, DJ, Kowalski, M, Krasberg, M, Kroll, G, Kunnen, J, Kurahashi, N, Kuwabara, T, Labare, M, Laihem, K, Landsman, H, Larson, MJ, Lauer, R, Lesiak-Bzdak, M, Lünemann, J, Madsen, J, Maruyama, R, Mase, K, Matis, HS, McDermott, A, McNally, F, Meagher, K, Merck, M, Mészáros, P, Meures, T, Miarecki, S, Middell, E, Milke, N, Miller, J, Mohrmann, L, Montaruli, T, Morse, R, Movit, SM, Nahnhauer, R, Naumann, U, Nießen, P, Nowicki, SC, Nygren, DR, Obertacke, A, Odrowski, S, Olivas, A, Olivo, M, O'Murchadha, A, Panknin, S, Paul, L, Pepper, JA, Heros, CPDL, Pieloth, D, Pirk, N, Posselt, J, Price, PB, Przybylski, GT, Rädel, L, Rawlins, K, Redl, P, Resconi, E, Rhode, W, Ribordy, M, Richman, M, Riedel, B, Rodrigues, JP, Roth, J, Rothmaier, F, Rott, C, Roucelle, C, Ruhe, T, Ruzybayev, B, Ryckbosch, D, Saba, SM, Salameh, T, Sander, HG, Santander, M, Sarkar, S, Schatto, K, Scheel, M, Scheriau, F, Schmidt, T, Schmitz, M, Schoenen, S, Schöneberg, S, Schönherr, L, Schönwald, A, Schukraft, A, Schulte, L, Schulz, O, Seckel, D, Seo, SH, Sestayo, Y, Seunarine, S, Shulman, L, Smith, MWE, Soiron, M, Soldin, D, Spiczak, GM, Spiering, C, Stamatikos, M, Stanev, T, Stasik, A, Stezelberger, T, Stokstad, RG, Stößl, A, Stoyanov, S, Strahler, EA, Ström, R, Sulanke, KH, Sullivan, GW, Taavola, H, Taboada, I, Tamburro, A, Ter-Antonyan, S, Tilav, S, Toale, PA, Toscano, S, Usner, M, Drift, DVD, Eijndhoven, NV, Overloop, AV, Santen, JV, Vehring, M, Voge, M, Walck, C, Waldenmaier, T, Wallraff, M, Walter, M, Wasserman, R, Weaver, C, Wendt, C, Westerhoff, S, Whitehorn, N, Wiebe, K, Wiebusch, CH, Williams, DR, Wissing, H, Wolf, M, Wood, TR, Woschnagg, K, Xu, C, Xu, DL, Xu, XW, Yanez, JP, Yodh, G, Yoshida, S, Zarzhitsky, P, Ziemann, J, Zilles, A, Zoll, M, Aguilar Sanchez, Juan, Montaruli, Teresa, Physics, Elementary Particle Physics, and Astronomy and Astrophysics Research Group
- Subjects
Nuclear and High Energy Physics ,ENERGIES ,Physics::Instrumentation and Detectors ,Astrophysics::High Energy Astrophysical Phenomena ,FOS: Physical sciences ,Cosmic ray ,Astrophysics ,ddc:500.2 ,01 natural sciences ,7. Clean energy ,Power law ,IceCube ,High Energy Physics - Experiment ,High Energy Physics - Experiment (hep-ex) ,0103 physical sciences ,cosmic radiation : interaction ,ddc:530 ,Charm (quantum number) ,Ultra-high-energy cosmic ray ,010306 general physics ,Zenith ,Physics ,Quantum chromodynamics ,High Energy Astrophysical Phenomena (astro-ph.HE) ,Muon ,010308 nuclear & particles physics ,Astrophysics::Instrumentation and Methods for Astrophysics ,Gluon ,MODEL ,Physics and Astronomy ,13. Climate action ,TEV ,High Energy Physics::Experiment ,GLUON ,Astrophysics - High Energy Astrophysical Phenomena - Abstract
In cosmic ray air showers, the muon lateral separation from the center of the shower is a measure of the transverse momentum that the muon parent acquired in the cosmic ray interaction. IceCube has observed cosmic ray interactions that produce muons laterally separated by up to 400 m from the shower core, a factor of 6 larger distance than previous measurements. These muons originate in high pT (>2 GeV/c) interactions from the incident cosmic ray, or high-energy secondary interactions. The separation distribution shows a transition to a power law at large values, indicating the presence of a hard pT component that can be described by perturbative quantum chromodynamics. However, the rates and the zenith angle distributions of these events are not well reproduced with the cosmic ray models tested here, even those that include charm interactions. This discrepancy may be explained by a larger fraction of kaons and charmed particles than is currently incorporated in the simulations.
- Published
- 2013
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