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作者机构:High Energy Astrophysics Institute & Department of Physics and Astronomy University of Utah USA 201 James Fletcher Building 115 South 1400 East Salt Lake City 84112-0830 UT United States
出 版 物:《Nuclear and Particle Physics Proceedings》 (Nucl. Part. Phys. Proc.)
年 卷 期:2016年第279-281卷
页 面:15-22页
学科分类:07[理学] 070203[理学-原子与分子物理] 0827[工学-核科学与技术] 0702[理学-物理学]
基 金:IISN, (4.4502.13) State of Utah U.S. National Science Foundation, (PHY-0307098, PHY-0601915, PHY-0649681, PHY-0703893, PHY-0758342, PHY-0848320, PHY-1069280, PHY-1069286, PHY-1404495, PHY-1404502) University of Utah Office of the Executive Vice President for Research and Partnerships, Purdue University, EVPRP Economic Development Board - Singapore, EDB Japan Society for the Promotion of Science, JSPS, (19104006, 21000002) Russian Foundation for Basic Research, RFBR, (11-02-01528a, 13-02-01311a) Russian Academy of Sciences, RAS Belgian Federal Science Policy Office, BELSPO, (IUAP VII/37) National Research Foundation of Korea, NRF, (2007-0093860, 2012R1A1A2008381, 2013004883, R32-10130) Institute for Cosmic Ray Research, University of Tokyo
主 题:Anisotropy Composition Cosmic Rays Proton-Air Cross Section Proton-Proton Cross Section Radar Cross Section Spectrum Telescope Array UHECR
摘 要:The Telescope Array Project (TA) is the largest cosmic ray observatory in the northern hemisphere and has entered its eighth year of data collection exploring astrophysical phenomena at the highest ends of the cosmic ray energy spectrum. New additions to TA have expanded its reach down to lower parts of the energy spectrum, thus allowing it to probe over an unprecedented 4.5 decades of energy via hybrid detection techniques. Recent results suggestive of anisotropy in the arrival direction of cosmic rays are presented as well as updated measurements of the spectrum, primary source composition, new measurement of the inelastic proton-air cross section, and the first ever quantitative radar cross section upper limit measurement. © 2016 Elsevier B.V.