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2. Analysis of a Tau Neutrino Origin for the Near-Horizon Air Shower Events Observed by the Fourth Flight of the Antarctic Impulsive Transient Antenna (ANITA)

Author

Prechelt, R., Wissel, S. A., Romero-Wolf, A., Burch, C., Gorham, P. W., Allison, P., Alvarez-Muñiz, J., Banerjee, O., Batten, L., Beatty, J. J., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Carvalho Jr., W., Chen, C. H., Chen, P., Chen, Y., Clem, J. M., Connolly, A., Cremonesi, L., Dailey, B., Deaconu, C., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Hast, C., Hill, B., Hsu, S. Y., Huang, J. J., Hughes, K., Hupe, R., Israel, M. H., Liewer, K. M., Liu, T. C., Ludwig, A. B., Macchiarulo, L., Matsuno, S., McBride, K., Miki, C., Mulrey, K., Nam, J., Naudet, C., Nichol, R. J., Novikov, A., Oberla, E., Prohira, S., Rauch, B. F., Ripa, J., Roberts, J. M., Rotter, B., Russell, J. W., Saltzberg, D., Seckel, D., Schoorlemmer, H., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Sutherland, M. S., Varner, G. S., Vieregg, A. G., Wang, N., Wang, S. H., Zas, E., and Zeolla, A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, High Energy Physics - Experiment
Abstract

We study in detail the sensitivity of the Antarctic Impulsive Transient Antenna (ANITA) to possible $\nu_\tau$ point source fluxes detected via $\tau$-lepton-induced air showers. This investigation is framed around the observation of four upward-going extensive air shower events very close to the horizon seen in ANITA-IV. We find that these four upgoing events are not observationally inconsistent with $\tau$-induced EASs from Earth-skimming $\nu_\tau$, both in their spectral properties as well as in their observed locations on the sky. These four events, as well as the overall diffuse and point source exposure to Earth-skimming $\nu_\tau$, are also compared against published ultrahigh-energy neutrino limits from the Pierre Auger Observatory. While none of these four events occurred at sky locations simultaneously visible by Auger, the implied fluence necessary for ANITA to observe these events is in strong tension with limits set by Auger across a wide range of energies and is additionally in tension with ANITA's Askaryan in-ice neutrino channel above $10^{19}$ eV. We conclude by discussing some of the technical challenges with simulating and analyzing these near horizon events and the potential for future observatories to observe similar events., Comment: 19 pages, 22 figures, will be published in Physical Review D (PRD)

Published
2021
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3. The Payload for Ultrahigh Energy Observations (PUEO): A White Paper

Author

Abarr, Q., Allison, P., Yebra, J. Ammerman, Alvarez-Muñiz, J., Beatty, J. J., Besson, D. Z., Chen, P., Chen, Y., Clem, J. M., Connolly, A., Cremonesi, L., Deaconu, C., Flaherty, J., Frikken, D., Gorham, P. W., Hast, C., Hornhuber, C., Huang, J. J., Hughes, K., Hynous, A., Ku, Y., Kuo, C. -Y., Liu, T. C., Martin, Z., Miki, C., Nam, J., Nichol, R. J., Nishimura, K., Novikov, A., Nozdrina, A., Oberla, E., Prohira, S., Prechelt, R., Rauch, B. F., Roberts, J. M., Romero-Wolf, A., Russell, J. W., Seckel, D., Shiao, J., Smith, D., Southall, D., Varner, G. S., Vieregg, A. G., Wang, S. -H., Wang, Y. -H., Wissel, S. A., Xie, C., Young, R., Zas, E., and Zeolla, A.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, High Energy Physics - Experiment, Physics - Instrumentation and Detectors
Abstract

The Payload for Ultrahigh Energy Observations (PUEO) long-duration balloon experiment is designed to have world-leading sensitivity to ultrahigh-energy neutrinos at energies above 1 EeV. Probing this energy region is essential for understanding the extreme-energy universe at all distance scales. PUEO leverages experience from and supersedes the successful Antarctic Impulsive Transient Antenna (ANITA) program, with an improved design that drastically improves sensitivity by more than an order of magnitude at energies below 30 EeV. PUEO will either make the first significant detection of or set the best limits on ultrahigh-energy neutrino fluxes., Comment: 40 pages, 17 figures. Version accepted to JINST

Published
2020
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4. A search for ultrahigh-energy neutrinos associated with astrophysical sources using the third flight of ANITA

Author

Deaconu, C., Batten, L., Allison, P., Banerjee, O., Beatty, J. J., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C. H., Chen, P., Chen, Y., Clem, J. M., Connolly, A., Cremonesi, L., Dailey, B., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Gorham, P. W., Hast, C., Hill, B., Hsu, S. Y., Huang, J. J., Hughes, K., Hupe, R., Israel, M. H., Liewer, K. M., Liu, T. C., Ludwig, A. B., Macchiarulo, L., Matsuno, S., McBride, K., Miki, C., Mulrey, K., Nam, J., Naudet, C., Nichol, R. J., Novikov, A., Oberla, E., Prohira, S., Prechelt, R., Rauch, B. F., Ripa, J., Roberts, J. M., Romero-Wolf, A., Rotter, B., Russell, J. W., Saltzberg, D., Seckel, D., Schoorlemmer, H., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Sutherland, M. S., Varner, G. S., Vieregg, A. G., Wang, N., Wang, S. H., and Wissel, S. A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract

The ANtarctic Impulsive Transient Antenna (ANITA) long-duration balloon experiment is sensitive to interactions of ultra high-energy (E > 10^{18} eV) neutrinos in the Antarctic ice sheet. The third flight of ANITA, lasting 22 days, began in December 2014. We develop a methodology to search for energetic neutrinos spatially and temporally coincident with potential source classes in ANITA data. This methodology is applied to several source classes: the TXS 0506+056 blazar and NGC 1068, the first potential TeV neutrino sources identified by IceCube, flaring high-energy blazars reported by the Fermi All-Sky Variability Analysis, gamma-ray bursts, and supernovae. Among searches within the five source classes, one candidate was identified as associated with SN 2015D, although not at a statistically significant level. We proceed to place upper limits on the source classes. We further comment on potential applications of this methodology to more sensitive future instruments., Comment: 23 pages, 7 figures, version accepted to JCAP

Published
2020
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5. Unusual Near-horizon Cosmic-ray-like Events Observed by ANITA-IV

Author

ANITA Collaboration, Gorham, P. W., Ludwig, A., Deaconu, C., Cao, P., Allison, P., Banerjee, O., Batten, L., Bhattacharya, D., Beatty, J. J., Belov, K., Binns, W. R., Bugaev, V., Chen, C. H., Chen, P., Chen, Y., Clem, J. M., Cremonesi, L., Dailey, B., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Hast, C., Hill, B., Hsu, S. Y., Huang, J. J., Hughes, K., Hupe, R., Israel, M. H., Liu, T. C., Macchiarulo, L., Matsuno, S., McBride, K., Miki, C., Nam, J., Naudet, C. J., Nichol, R. J., Novikov, A., Oberla, E., Olmedo, M., Prechelt, R., Prohira, S., Rauch, B. F., Roberts, J. M., Romero-Wolf, A., Rotter, B., Russell, J. W., Saltzberg, D., Seckel, D., Schoorlemmer, H., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Sutherland, M. S., Varner, G. S., Vieregg, A. G., Wang, S. H., and Wissel, S. A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

ANITA's fourth long-duration balloon flight in late 2016 detected 29 cosmic-ray (CR)-like events on a background of $0.37^{+0.27}_{-0.17}$ anthropogenic events. CRs are mainly seen in reflection off the Antarctic ice sheets, creating a characteristic phase-inverted waveform polarity. However, four of the below-horizon CR-like events show anomalous non-inverted polarity, a $p = 5.3 \times 10^{-4}$ chance if due to background. All anomalous events are from locations near the horizon; ANITA-IV observed no steeply-upcoming anomalous events similar to the two such events seen in prior flights., Comment: 6 pages, 4 figures, to appear in Physical Review Letters. Supplemental material (reference 17) available from corresponding author

Published
2020
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6. White Paper: ARIANNA-200 high energy neutrino telescope

Author

Anker, A., Baldi, P., Barwick, S. W., Bergman, D., Bernhoff, H., Besson, D. Z., Bingefors, N., Botner, O., Chen, P., Chen, Y., García-Fernández, D., Gaswint, G., Glaser, C., Hallgren, A., Hanson, J. C., Huang, J. J., Klein, S. R., Kleinfelder, S. A., Kuo, C. -Y., Lahmann, R., Latif, U., Liu, T., Lyu, Y., McAleer, S., Nam, J., Novikov, A., Nelles, A., Paul, M. P., Persichilli, C., Plaisier, I., Shiao, J. Y., Tatar, J., van Vliet, A., Wang, S. -H., Wang, Y. -H., and Welling, C.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The proposed ARIANNA-200 neutrino detector, located at sea-level on the Ross Ice Shelf, Antarctica, consists of 200 autonomous and independent detector stations separated by 1 kilometer in a uniform triangular mesh, and serves as a pathfinder mission for the future IceCube-Gen2 project. The primary science mission of ARIANNA-200 is to search for sources of neutrinos with energies greater than 10^17 eV, complementing the reach of IceCube. An ARIANNA observation of a neutrino source would provide strong insight into the enigmatic sources of cosmic rays. ARIANNA observes the radio emission from high energy neutrino interactions in the Antarctic ice. Among radio based concepts under current investigation, ARIANNA-200 would uniquely survey the vast majority of the southern sky at any instant in time, and an important region of the northern sky, by virtue of its location on the surface of the Ross Ice Shelf in Antarctica. The broad sky coverage is specific to the Moore's Bay site, and makes ARIANNA-200 ideally suited to contribute to the multi-messenger thrust by the US National Science Foundation, Windows on the Universe - Multi-Messenger Astrophysics, providing capabilities to observe explosive sources from unknown directions. The ARIANNA architecture is designed to measure the angular direction to within 3 degrees for every neutrino candidate, which too plays an important role in the pursuit of multi-messenger observations of astrophysical sources.

Published
2020

7. The Simulation of the Sensitivity of the Antarctic Impulsive Transient Antenna (ANITA) to Askaryan Radiation from Cosmogenic Neutrinos Interacting in the Antarctic Ice

Author

Cremonesi, L., Connolly, A., Allison, P., Banerjee, O., Batten, L., Beatty, J. J., Bechtol, K., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C. C., Chen, C. H., Chen, P., Clem, J. M., Dailey, B., Deaconu, C., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Gorham, P. W., Hill, B., Huang, J. J., Hughes, K., Hupe, R., Israel, M. H., Liewer, K. M., Lin, S. Y., Liu, T. C., Ludwig, A. B., Macchiarulo, L., Matsuno, S., McBride, K., Miki, C., Mulrey, K., Nam, J., Nichol, R. J., Novikov, A., Oberla, E., Prohira, S., Rauch, B. F., Robert, J. M., Romero-Wolf, A., Rotter, B., Russell, J. W., Saltzberg, D., Seckel, D., Schoorlemmer, H., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Stuhr, J., Sutherland, M., Varner, G. S., Vieregg, A. G., Wang, S. H., and Wissel, S. A.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

A Monte Carlo simulation program for the radio detection of Ultra High Energy (UHE) neutrino interactions in the Antarctic ice as viewed by the Antarctic Impulsive Transient Antenna (ANITA) is described in this article. The program, icemc, provides an input spectrum of UHE neutrinos, the parametrization of the Askaryan radiation generated by their interaction in the ice, and the propagation of the radiation through ice and air to a simulated model of the third and fourth ANITA flights. This paper provides an overview of the icemc simulation, descriptions of the physics models used and of the ANITA electronics processing chain, data/simulation comparisons to validate the predicted performance, and a summary of the impact of published results.

Published
2019
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8. Constraints on the ultra-high energy cosmic neutrino flux from the fourth flight of ANITA

Author

Gorham, P. W., Allison, P., Banerjee, O., Batten, L., Beatty, J. J., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C. C., Chen, C. H., Chen, P., Clem, J. M., Connolly, A., Cremonesi, L., Dailey, B., Deaconu, C., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Hast, C., Hill, B., Hsu, S. Y., Huang, J. J., Hughes, K., Hupe, R., Israel, M. H., Liewer, K. M., Liu, T. C., Ludwig, A. B., Macchiarulo, L., Matsuno, S., Miki, C., Mulrey, K., Nam, J., Naudet, C., Nichol, R. J., Novikov, A., Oberla, E., Prohira, S., Rauch, B. F., Roberts, J. M., Romero-Wolf, A., Rotter, B., Russell, J. W., Saltzberg, D., Seckel, D., Schoorlemmer, H., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Sutherland, M. S., Varner, G. S., Vieregg, A. G., Wang, N., Wang, S. H., and Wissel, S. A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The ANtarctic Impulsive Transient Antenna (ANITA) NASA long-duration balloon payload completed its fourth flight in December 2016, after 28 days of flight time. ANITA is sensitive to impulsive broadband radio emission from interactions of ultra-high-energy neutrinos in polar ice (Askaryan emission). We present the results of two separate blind analyses searching for signals from Askaryan emission in the data from the fourth flight of ANITA. The more sensitive analysis, with a better expected limit, has a background estimate of $0.64^{+0.69}_{-0.45}$ and an analysis efficiency of $82\pm2\%$. The second analysis has a background estimate of $0.34^{+0.66}_{-0.16}$ and an analysis efficiency of $71\pm6\%$. Each analysis found one event in the signal region, consistent with the background estimate for each analysis. The resulting limit further tightens the constraints on the diffuse flux of ultra-high-energy neutrinos at energies above $10^{19.5}$ eV., Comment: 11 pages, 7 figures

Published
2019
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9. A comprehensive analysis of anomalous ANITA events disfavors a diffuse tau-neutrino flux origin

Author

Romero-Wolf, A., Wissel, S. A., Schoorlemmer, H., Carvalho Jr, W. R., Alvarez-Muñiz, J., Zas, E., Allison, P., Banerjee, O., Batten, L., Beatty, J. J., Bechtol, K., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C. C., Chen, C. H., Chen, P., Clem, J. M., Connolly, A., Cremonesi, L., Dailey, B., Deaconu, C., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Gorham, P. W., Hast, C., Hill, B., Hsu, S. Y., Huang, J. J., Hughes, K., Hupe, R., Israel, M. H., Liewer, K. M., Liu, T. C., Ludwig, A. B., Macchiarulo, L., Matsuno, S., Miki, C., Mulrey, K., Nam, J., Naudet, C., Nichol, R. J., Novikov, A., Oberla, E., Prohira, S., Rauch, B. F., Roberts, J. M., Rotter, B., Russell, J. W., Saltzberg, D., Seckel, D., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Sutherland, M. S., Varner, G. S., Vieregg, A. G., and Wang, S. H.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

Recently, the ANITA collaboration reported on two upward-going extensive air shower events consistent with a primary particle that emerges from the surface of the ice. These events may be of $\nu_\tau$ origin, in which the neutrino interacts within the Earth to produce a $\tau$ lepton that emerges from the Earth, decays in the atmosphere, and initiates an extensive air shower. In this paper we estimate an upper bound on the ANITA acceptance to a diffuse $\nu_\tau$ flux detected via $\tau$-lepton-induced air showers within the bounds of Standard Model (SM) uncertainties. By comparing this estimate with the acceptance of Pierre Auger Observatory and IceCube and assuming SM interactions, we conclude that a $\nu_\tau$ origin of these events would imply a neutrino flux at least two orders of magnitude above current bounds., Comment: 12 pages, 7 figures

Published
2018
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10. Observation of an Unusual Upward-going Cosmic-ray-like Event in the Third Flight of ANITA

Author

Gorham, P. W., Rotter, B., Allison, P., Banerjee, O., Batten, L., Beatty, J. J., Bechtol, K., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C. C., Chen, C. H., Chen, P., Clem, J. M., Connolly, A., Cremonesi, L., Dailey, B., Deaconu, C., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Hast, C., Hill, B., Hughes, K., Huang, J. J., Hupe, R., Israel, M. H., Javaid, A., Lam, J., Liewer, K. M., Lin, S. Y., Liu, T. C., Ludwig, A., Macchiarulo, L., Matsuno, S., Miki, C., Mulrey, K., Nam, J., Naudet, C. J., Nichol, R. J., Novikov, A., Oberla, E., Olmedo, M., Prechelt, R., Prohira, S., Rauch, B. F., Roberts, J. M., Romero-Wolf, A., Russell, J. W., Saltzberg, D., Seckel, D., Schoorlemmer, H., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Varner, G. S., Vieregg, A. G., Wang, S. H., and Wissel, S. A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

We report on an upward traveling, radio-detected cosmic-ray-like impulsive event with characteristics closely matching an extensive air shower. This event, observed in the third flight of the Antarctic Impulsive Transient Antenna (ANITA), a NASA-sponsored long-duration balloon payload, is consistent with a similar event reported in a previous flight. These events may be produced by the atmospheric decay of an upward-propagating $\tau$-lepton produced by a $\nu_{\tau}$ interaction, although their relatively steep arrival angles create tension with the standard model (SM) neutrino cross section. Each of the two events have $a~posteriori$ background estimates of $\lesssim 10^{-2}$ events. If these are generated by $\tau$-lepton decay, then either the charged-current $\nu_{\tau}$ cross section is suppressed at EeV energies, or the events arise at moments when the peak flux of a transient neutrino source was much larger than the typical expected cosmogenic background neutrinos., Comment: 5 pages, 4 figures. Supplemental material available from corresponding author by request

Published
2018
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11. Constraints on the diffuse high-energy neutrino flux from the third flight of ANITA

Author

Gorham, P. W., Allison, P., Banerjee, O., Batten, L., Beatty, J. J., Bechtol, K., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C. C., Chen, C. H., Chen, P., Clem, J. M., Connolly, A., Cremonesi, L., Dailey, B., Deaconu, C., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Hast, C., Hill, B., Hsu, S. Y., Huang, J. J., Hughes, K., Hupe, R., Israel, M. H., Liewer, K. M., Liu, T. C., Ludwig, A. B., Macchiarulo, L., Matsuno, S., Miki, C., Mulrey, K., Nam, J., Naudet, C., Nichol, R. J., Novikov, A., Oberla, E., Prohira, S., Rauch, B. F., Roberts, J. M., Romero-Wolf, A., Rotter, B., Russell, J. W., Saltzberg, D., Seckel, D., Schoorlemmer, H., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Sutherland, M. S., Varner, G. S., Vieregg, A. G., Wang, S. H., and Wissel, S. A.

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract

The Antarctic Impulsive Transient Antenna (ANITA), a NASA long-duration balloon payload, searches for radio emission from interactions of ultra-high-energy neutrinos in polar ice. The third flight of ANITA (ANITA-III) was launched in December 2014 and completed a 22-day flight. We present the results of three analyses searching for Askaryan radio emission of neutrino origin. In the most sensitive of the analyses, we find one event in the signal region on an expected a priori background of $0.7^{+0.5}_{-0.3}$. Though consistent with the background estimate, the candidate event remains compatible with a neutrino hypothesis even after additional post-unblinding scrutiny., Comment: 15 pages, 15 figures, Accepted to PRD

Published
2018
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12. Dynamic tunable notch filters for the Antarctic Impulsive Transient Antenna (ANITA)

Author

Allison, P., Banerjee, O., Beatty, J. J., Connolly, A., Deaconu, C., Gordon, J., Gorham, P. W., Kovacevich, M., Miki, C., Oberla, E., Roberts, J., Rotter, B., Stafford, S., Tatem, K., Batten, L., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C., Chen, P., Chen, Y., Clem, J. M., Cremonesi, L., Dailey, B., Dowkontt, P. F., Hsu, S., Huang, J., Hupe, R., Israel, M. H., Kowalski, J., Lam, J., Learned, J. G., Liewer, K. M., Liu, T. C., Ludwig, A., Matsuno, S., Mulrey, K., Nam, J., Nichol, R. J., Novikov, A., Prohira, S., Rauch, B. F., Ripa, J., Romero-Wolf, A., Russell, J., Saltzberg, D., Seckel, D., Shiao, J., Stockham, J., Stockham, M., Strutt, B., Varner, G. S., Vieregg, A. G., Wang, S., Wissel, S. A., Wu, F., and Young, R.

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

The Antarctic Impulsive Transient Antenna (ANITA) is a NASA long-duration balloon experiment with the primary goal of detecting ultra-high-energy ($>10^{18}\,\mbox{eV}$) neutrinos via the Askaryan Effect. The fourth ANITA mission, ANITA-IV, recently flew from Dec 2 to Dec 29, 2016. For the first time, the Tunable Universal Filter Frontend (TUFF) boards were deployed for mitigation of narrow-band, anthropogenic noise with tunable, switchable notch filters. The TUFF boards also performed second-stage amplification by approximately 45 dB to boost the $\sim\,\mu\mbox{V-level}$ radio frequency (RF) signals to $\sim$ mV-level for digitization, and supplied power via bias tees to the first-stage, antenna-mounted amplifiers. The other major change in signal processing in ANITA-IV is the resurrection of the $90^{\circ}$ hybrids deployed previously in ANITA-I, in the trigger system, although in this paper we focus on the TUFF boards. During the ANITA-IV mission, the TUFF boards were successfully operated throughout the flight. They contributed to a factor of 2.8 higher total instrument livetime on average in ANITA-IV compared to ANITA-III due to reduction of narrow-band, anthropogenic noise before a trigger decision is made., Comment: 27 pages, 19 figures

Published
2017
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13. Dynamic tunable notch filters for the Antarctic Impulsive Transient Antenna (ANITA)

Author

Allison, P., Banerjee, O., Beatty, J.J., Connolly, A., Deaconu, C., Gordon, J., Gorham, P.W., Kovacevich, M., Miki, C., Oberla, E., Roberts, J., Rotter, B., Stafford, S., Tatem, K., Batten, L., Belov, K., Besson, D.Z., Binns, W.R., Bugaev, V., Cao, P., Chen, C., Chen, P., Chen, Y., Clem, J.M., Cremonesi, L., Dailey, B., Dowkontt, P.F., Hsu, S., Huang, J., Hupe, R., Israel, M.H., Kowalski, J., Lam, J., Learned, J.G., Liewer, K.M., Liu, T.C., Ludwig, A.B., Matsuno, S., Mulrey, K., Nam, J., Nichol, R.J., Novikov, A., Prohira, S., Rauch, B.F., Ripa, J., Romero-Wolf, A., Russell, J., Saltzberg, D., Seckel, D., Shiao, J., Stockham, J., Stockham, M., Strutt, B., Varner, G.S., Vieregg, A.G., Wang, S., Wissel, S.A., Wu, F., and Young, R.

Published
2018
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18. Analysis of a tau neutrino origin for the near-horizon air shower events observed by the fourth flight of the Antarctic Impulsive Transient Antenna

Author

Prechelt, R., Wissel, S. A., Romero-Wolf, A., Burch, C., Gorham, P. W., Allison, P., Alvarez-Muñiz, J., Banerjee, O., Batten, L., Beatty, J. J., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Carvalho Jr., W., Chen, C. H., Chen, P., Chen, Y., Clem, J. M., Connolly, A., Cremonesi, L., Dailey, B., Deaconu, C., Dowkontt, P. F., Fox, B. D., Gordon, J. W. H., Hast, C., Hill, B., Hsu, S. Y., Huang, J. J., Hughes, K., Hupe, R., Israel, M. H., Liewer, K. M., Liu, T. C., Ludwig, A. B., Macchiarulo, L., Matsuno, S., McBride, K., Miki, C., Mulrey, K., Nam, J., Naudet, C., Nichol, R. J., Novikov, A., Oberla, E., Prohira, S., Rauch, B. F., Ripa, J., Roberts, J. M., Rotter, B., Russell, J. W., Saltzberg, D., Seckel, D., Schoorlemmer, H., Shiao, J., Stafford, S., Stockham, J., Stockham, M., Strutt, B., Sutherland, M. S., Varner, G. S., Vieregg, A. G., Wang, N., Wang, S. H., Zas, E., and Zeolla, A.

Subjects
High Energy Astrophysical Phenomena (astro-ph.HE), High Energy Physics - Experiment (hep-ex), Astrophysics::High Energy Astrophysical Phenomena, Astrophysics::Instrumentation and Methods for Astrophysics, FOS: Physical sciences, High Energy Physics, Astrophysics - High Energy Astrophysical Phenomena, High Energy Physics - Experiment
Abstract

We study in detail the sensitivity of the Antarctic Impulsive Transient Antenna (ANITA) to possible $\nu_\tau$ point source fluxes detected via $\tau$-lepton-induced air showers. This investigation is framed around the observation of four upward-going extensive air shower events very close to the horizon seen in ANITA-IV. We find that these four upgoing events are not observationally inconsistent with $\tau$-induced EASs from Earth-skimming $\nu_\tau$, both in their spectral properties as well as in their observed locations on the sky. These four events, as well as the overall diffuse and point source exposure to Earth-skimming $\nu_\tau$, are also compared against published ultrahigh-energy neutrino limits from the Pierre Auger Observatory. While none of these four events occurred at sky locations simultaneously visible by Auger, the implied fluence necessary for ANITA to observe these events is in strong tension with limits set by Auger across a wide range of energies and is additionally in tension with ANITA's Askaryan in-ice neutrino channel above $10^{19}$ eV. We conclude by discussing some of the technical challenges with simulating and analyzing these near horizon events and the potential for future observatories to observe similar events., Comment: 19 pages, 22 figures, will be published in Physical Review D (PRD)

Published
2022

25. The Payload for Ultrahigh Energy Observations (PUEO): a white paper

Author

Abarr, Q., additional, Allison, P., additional, Ammerman Yebra, J., additional, Alvarez-Muñiz, J., additional, Beatty, J.J., additional, Besson, D.Z., additional, Chen, P., additional, Chen, Y., additional, Xie, C., additional, Clem, J.M., additional, Connolly, A., additional, Cremonesi, L., additional, Deaconu, C., additional, Flaherty, J., additional, Frikken, D., additional, Gorham, P.W., additional, Hast, C., additional, Hornhuber, C., additional, Huang, J.J., additional, Hughes, K., additional, Hynous, A., additional, Ku, Y., additional, Kuo, C.-Y., additional, Liu, T.C., additional, Martin, Z., additional, Miki, C., additional, Nam, J., additional, Nichol, R.J., additional, Nishimura, K., additional, Novikov, A., additional, Nozdrina, A., additional, Oberla, E., additional, Prohira, S., additional, Prechelt, R., additional, Rauch, B.F., additional, Roberts, J.M., additional, Romero-Wolf, A., additional, Russell, J.W., additional, Seckel, D., additional, Shiao, J., additional, Smith, D., additional, Southall, D., additional, Varner, G.S., additional, Vieregg, A.G., additional, Wang, S.-H., additional, Wang, Y.-H., additional, Wissel, S.A., additional, Young, R., additional, Zas, E., additional, and Zeolla, A., additional

Published
2021
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30. A search for ultrahigh-energy neutrinos associated with astrophysical sources using the third flight of ANITA

Author

Deaconu, C., additional, Batten, L., additional, Allison, P., additional, Banerjee, O., additional, Beatty, J.J., additional, Belov, K., additional, Besson, D.Z., additional, Binns, W.R., additional, Bugaev, V., additional, Cao, P., additional, Chen, C.H., additional, Chen, P., additional, Chen, Y., additional, Clem, J.M., additional, Connolly, A., additional, Cremonesi, L., additional, Dailey, B., additional, Dowkontt, P.F., additional, Fox, B.D., additional, Gordon, J.W.H., additional, Gorham, P.W., additional, Hast, C., additional, Hill, B., additional, Hsu, S.Y., additional, Huang, J.J., additional, Hughes, K., additional, Hupe, R., additional, Israel, M.H., additional, Liewer, K.M., additional, Liu, T.C., additional, Ludwig, A.B., additional, Macchiarulo, L., additional, Matsuno, S., additional, McBride, K., additional, Miki, C., additional, Mulrey, K., additional, Nam, J., additional, Naudet, C., additional, Nichol, R.J., additional, Novikov, A., additional, Oberla, E., additional, Prohira, S., additional, Prechelt, R., additional, Rauch, B.F., additional, Ripa, J., additional, Roberts, J.M., additional, Romero-Wolf, A., additional, Rotter, B., additional, Russell, J.W., additional, Saltzberg, D., additional, Seckel, D., additional, Schoorlemmer, H., additional, Shiao, J., additional, Stafford, S., additional, Stockham, J., additional, Stockham, M., additional, Strutt, B., additional, Sutherland, M.S., additional, Varner, G.S., additional, Vieregg, A.G., additional, Wang, N., additional, Wang, S.H., additional, and Wissel, S.A., additional

Published
2021
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31. Unusual Near-Horizon Cosmic-Ray-like Events Observed by ANITA-IV

Author

Gorham, P. W., primary, Ludwig, A., additional, Deaconu, C., additional, Cao, P., additional, Allison, P., additional, Banerjee, O., additional, Batten, L., additional, Bhattacharya, D., additional, Beatty, J. J., additional, Belov, K., additional, Binns, W. R., additional, Bugaev, V., additional, Chen, C. H., additional, Chen, P., additional, Chen, Y., additional, Clem, J. M., additional, Cremonesi, L., additional, Dailey, B., additional, Dowkontt, P. F., additional, Fox, B. D., additional, Gordon, J. W. H., additional, Hast, C., additional, Hill, B., additional, Hsu, S. Y., additional, Huang, J. J., additional, Hughes, K., additional, Hupe, R., additional, Israel, M. H., additional, Liu, T. C., additional, Macchiarulo, L., additional, Matsuno, S., additional, McBride, K., additional, Miki, C., additional, Nam, J., additional, Naudet, C. J., additional, Nichol, R. J., additional, Novikov, A., additional, Oberla, E., additional, Olmedo, M., additional, Prechelt, R., additional, Rauch, B. F., additional, Roberts, J. M., additional, Romero-Wolf, A., additional, Rotter, B., additional, Russell, J. W., additional, Saltzberg, D., additional, Seckel, D., additional, Schoorlemmer, H., additional, Shiao, J., additional, Stafford, S., additional, Stockham, J., additional, Stockham, M., additional, Strutt, B., additional, Sutherland, M. S., additional, Varner, G. S., additional, Vieregg, A. G., additional, Wang, S. H., additional, and Wissel, S. A., additional

Published
2021
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34. The simulation of the sensitivity of the Antarctic Impulsive Transient Antenna (ANITA) to Askaryan radiation from cosmogenic neutrinos interacting in the Antarctic Ice

Author

Cremonesi, L., primary, Connolly, A., additional, Allison, P., additional, Banerjee, O., additional, Batten, L., additional, Beatty, J.J., additional, Bechtol, K., additional, Belov, K., additional, Besson, D.Z., additional, Binns, W.R., additional, Bugaev, V., additional, Cao, P., additional, Chen, C.C., additional, Chen, C.H., additional, Chen, P., additional, Clem, J.M., additional, Dailey, B., additional, Deaconu, C., additional, Dowkontt, P.F., additional, Fox, B.D., additional, Gordon, J.W.H., additional, Gorham, P.W., additional, Hill, B., additional, Huang, J.J., additional, Hughes, K., additional, Hupe, R., additional, Israel, M.H., additional, Liewer, K.M., additional, Lin, S.Y., additional, Liu, T.C., additional, Ludwig, A.B., additional, Macchiarulo, L., additional, Matsuno, S., additional, McBride, K., additional, Miki, C., additional, Mulrey, K., additional, Nam, J., additional, Nichol, R.J., additional, Novikov, A., additional, Oberla, E., additional, Prohira, S., additional, Rauch, B.F., additional, Roberts, J. M., additional, Romero-Wolf, A., additional, Rotter, B., additional, Russell, J.W., additional, Saltzberg, D., additional, Seckel, D., additional, Schoorlemmer, H., additional, Shiao, J., additional, Stafford, S., additional, Stockham, J., additional, Stockham, M., additional, Strutt, B., additional, Stuhr, J., additional, Sutherland, M., additional, Varner, G.S., additional, Vieregg, A.G., additional, Wang, S.H., additional, and Wissel, S.A., additional

Published
2019
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35. Comprehensive analysis of anomalous ANITA events disfavors a diffuse tau-neutrino flux origin

Author

Romero-Wolf, A., primary, Wissel, S. A., additional, Schoorlemmer, H., additional, Carvalho, W. R., additional, Alvarez-Muñiz, J., additional, Zas, E., additional, Allison, P., additional, Banerjee, O., additional, Batten, L., additional, Beatty, J. J., additional, Bechtol, K., additional, Belov, K., additional, Besson, D. Z., additional, Binns, W. R., additional, Bugaev, V., additional, Cao, P., additional, Chen, C. C., additional, Chen, C. H., additional, Chen, P., additional, Clem, J. M., additional, Connolly, A., additional, Cremonesi, L., additional, Dailey, B., additional, Deaconu, C., additional, Dowkontt, P. F., additional, Fox, B. D., additional, Gordon, J. W. H., additional, Gorham, P. W., additional, Hast, C., additional, Hill, B., additional, Hsu, S. Y., additional, Huang, J. J., additional, Hughes, K., additional, Hupe, R., additional, Israel, M. H., additional, Liewer, K. M., additional, Liu, T. C., additional, Ludwig, A. B., additional, Macchiarulo, L., additional, Matsuno, S., additional, Miki, C., additional, Mulrey, K., additional, Nam, J., additional, Naudet, C., additional, Nichol, R. J., additional, Novikov, A., additional, Oberla, E., additional, Prohira, S., additional, Rauch, B. F., additional, Roberts, J. M., additional, Rotter, B., additional, Russell, J. W., additional, Saltzberg, D., additional, Seckel, D., additional, Shiao, J., additional, Stafford, S., additional, Stockham, J., additional, Stockham, M., additional, Strutt, B., additional, Sutherland, M. S., additional, Varner, G. S., additional, Vieregg, A. G., additional, and Wang, S. H., additional

Published
2019
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36. Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA

Author

Gorham, P. W., primary, Rotter, B., additional, Allison, P., additional, Banerjee, O., additional, Batten, L., additional, Beatty, J. J., additional, Bechtol, K., additional, Belov, K., additional, Besson, D. Z., additional, Binns, W. R., additional, Bugaev, V., additional, Cao, P., additional, Chen, C. C., additional, Chen, C. H., additional, Chen, P., additional, Clem, J. M., additional, Connolly, A., additional, Cremonesi, L., additional, Dailey, B., additional, Deaconu, C., additional, Dowkontt, P. F., additional, Fox, B. D., additional, Gordon, J. W. H., additional, Hast, C., additional, Hill, B., additional, Hughes, K., additional, Huang, J. J., additional, Hupe, R., additional, Israel, M. H., additional, Javaid, A., additional, Lam, J., additional, Liewer, K. M., additional, Lin, S. Y., additional, Liu, T. C., additional, Ludwig, A., additional, Macchiarulo, L., additional, Matsuno, S., additional, Miki, C., additional, Mulrey, K., additional, Nam, J., additional, Naudet, C. J., additional, Nichol, R. J., additional, Novikov, A., additional, Oberla, E., additional, Olmedo, M., additional, Prechelt, R., additional, Prohira, S., additional, Rauch, B. F., additional, Roberts, J. M., additional, Romero-Wolf, A., additional, Russell, J. W., additional, Saltzberg, D., additional, Seckel, D., additional, Schoorlemmer, H., additional, Shiao, J., additional, Stafford, S., additional, Stockham, J., additional, Stockham, M., additional, Strutt, B., additional, Varner, G. S., additional, Vieregg, A. G., additional, Wang, S. H., additional, and Wissel, S. A., additional

Published
2018
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39. Aspirin/antiplatelet agent use improves disease-free survival and reduces the risk of distant metastases in Stage II and III triple-negative breast cancer patients

Author

Shiao, J., primary, Thomas, K. M., additional, Rahimi, A. S., additional, Rao, R., additional, Yan, Jingsheng, additional, Xie, Xian-Jin, additional, DaSilva, M., additional, Spangler, A., additional, Leitch, M., additional, Wooldridge, R., additional, Rivers, A., additional, Farr, D., additional, Haley, B., additional, and Kim, D. W. Nathan, additional

Published
2016
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44. Acoustically evoked potentials in two cephalopods inferred using the auditory brainstem response (ABR) approach

Author

Hu, Marian Yong-An, Yan, H. Y., Chung, W.-S., Shiao, J.-C., Hwang, P.-P., Hu, Marian Yong-An, Yan, H. Y., Chung, W.-S., Shiao, J.-C., and Hwang, P.-P.

Abstract

It is still a matter of debate whether cephalopods can detect sound frequencies above 400 Hz. So far there is no proof for the detection of underwater sound above 400 Hz via a physiological approach. The controversy of whether cephalopods have a sound detection ability above 400 Hz was tested using the auditory brainstem response (ABR) approach, which has been successfully applied in fish, crustaceans, amphibians, reptiles and birds. Using ABR we found that auditory evoked potentials can be obtained in the frequency range 400 to 1500 Hz (Sepiotheutis lessoniana) and 400 to 1000 Hz (Octopus vulgaris), respectively. The thresholds of S. lessoniana were generally lower than those of O. vulgaris.

Published
2009
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