Upward-pointing cosmic-ray-like events observed with ANITA

Andres Romero-Wolf, P. W. Gorham, J. Nam, S. Hoover, P. Allison, O. Banerjee, L. Batten, J. J. Beatty, K. Belov, D. Z. Besson, W. R. Binns, V. Bugaev, P. Cao, C. Chen, P. Chen, J. M. Clem, A. Connolly, B. Dailey, C. Deaconu, L. CremonesiP. F. Dowkontt, M. A. DuVernois, R. C. Field, B. D. Fox, D. Goldstein, J. Gordon, C. Hast, C. L. Hebert, B. Hill, K. Hughes, R. Hupe, M. H. Israel, A. Javaid, J. Kowalski, J. Lam, A. Ludwig, J. G. Learned, K. M. Liewer, T. C. Liu, J. T. Link, E. Lusczek, S. Matsuno, B. C. Mercurio, C. Miki, P. Miočinović, M. Mottram, K. Mulrey, C. J. Naudet, J. Ng, R. J. Nichol, A. Novikov, K. Palladino, S. Prohira, B. F. Rauch, K. Reil, J. Roberts, M. Rosen, B. Rotter, J. Russell, L. Ruckman, D. Saltzberg, D. Seckel, S. Stafford, J. Stockham, M. Stockham, B. Strutt, K. Tatem, G. S. Varner, A. G. Vieregg, D. Walz, S. A. Wissel, F. Wu, J. Alvarez-Muñiz, W. Carvalho, H. Schoorlemmer, E. Zas

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Abstract

These proceedings address a recent publication by the ANITA collaboration of four upward-pointing cosmic-ray-like events observed in the first flight of ANITA. Three of these events were consistent with stratospheric cosmic-ray air showers where the axis of propagation does not intersect the surface of the Earth. The fourth event was consistent with a primary particle that emerges from the surface of the ice suggesting a possible τ-lepton decay as the origin of this event. These proceedings follow-up on the modeling and testing of the hypothesis that this event was of τ neutrino origin.

Original languageEnglish
JournalProceedings of Science
Volume301
DOIs
StatePublished - 2017
Event35th International Cosmic Ray Conference, ICRC 2017 - Bexco, Busan, Korea, Republic of
Duration: 10 Jul 201720 Jul 2017

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    Romero-Wolf, A., Gorham, P. W., Nam, J., Hoover, S., Allison, P., Banerjee, O., Batten, L., Beatty, J. J., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C., Chen, P., Clem, J. M., Connolly, A., Dailey, B., Deaconu, C., ... Zas, E. (2017). Upward-pointing cosmic-ray-like events observed with ANITA. Proceedings of Science, 301. https://doi.org/10.22323/1.301.0935