Initial results from the ANITA 2006-2007 Balloon Flight

P W Gorham ,B C Mercurio ,A Goodhue ,S Matsuno ,K J Palladino ,D Seckel ,W R Binns ,J J Beatty ,S W Barwick ,A Connolly ,C Hast ,S Hoover ,M H Israel ,C Chen ,J Clem ,P Miočinović ,Andrés Romero-Wolf ,M A Duvernois ,David J Goldstein ,Y Wang ,R C Field ,J Ng ,D Walz ,P Allison ,L Ruckman ,R J Nichol ,C J Naudet ,G Varner ,M Rosen ,J G Learned ,D Besson ,K M Liewer ,J T Link ,P F Dowkontt ,Pin‐Chun Chen ,K Reil ,C Miki ,Christian Hébert ,J W Nam ,D Saltzberg ,J Kowalski ,Elizabeth R Lusczek ,Fan Wu

doi:10.1088/1742-6596/136/2/022052

Initial results from the ANITA 2006-2007 Balloon Flight

P W Gorham , B C Mercurio + Show 41 more

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https://doi.org/10.1088/1742-6596/136/2/022052

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Journal: Journal of Physics: Conference Series	Publication Date: Nov 1, 2008
Citations: 3	License type: cc-iop-open

Affiliation: University of Hawaiʻi at Mānoa, The Ohio State University, University of California, Los Angeles, University of Delaware, Washington University in St. Louis, University of California, Irvine, University College London, Menlo School, SLAC National Accelerator Laboratory, University of Minnesota, National Taiwan University, Jet Propulsion Laboratory, University of Kansas, Goddard Space Flight Center

#Antarctic Impulsive Transient Antenna #Duration Balloon Flight + Show 8 more

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Abstract

We report initial results of the Antarctic Impulsive Transient Antenna (ANITA) 2006-2007 Long Duration Balloon flight, which searched for evidence of the flux of cosmogenic neutrinos. ANITA flew for 35 days looking for radio impulses that might be due to the Askaryan effect in neutrino-induced electromagnetic showers within the Antarctic ice sheets. In our initial high-threshold robust analysis, no neutrino candidates are seen, with no physics background. In a non-signal horizontal-polarization channel, we do detect 6 events consistent with radio impulses from extensive air showers, which helps to validate the effectiveness of our method. Upper limits derived from our analysis now begin to eliminate the highest cosmogenic neutrino models.

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