{"paper":{"title":"Study of Ultra-High Energy Cosmic Ray Composition Using Telescope Array's Middle Drum Detector and Surface Array in Hybrid Mode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"A.L. Sampson, A. Nozato, A. Oshima, A. Taketa, B.G. Cheon, B.K. Shin, B.T. Stokes, C.C.H. Jui, D.C. Rodriguez, D. Ikeda, D. Ivanov, D.R. Bergman, D. Ryu, E. Barcikowski, E. Kido, F. Kakimoto, F. Shibata, F. Urban, G.B. Thomson, G. Rubtsov, G. Vasiloff, H.B. Kim, H. Ito, H. Kawai, H. Ohoka, H. Sagawa, H. Shimodaira, H.S. Shin, H. Tanaka, H. Tokuno, H. Yamaoka, H. Yoshiia, I.H. Park, I. Myers, I. Tkachev, J. Chiba, J.D. Smith, J.H. Kim, J. Lan, J.N. Matthews, J. Ogura, J.P. Lundquist, J.W. Belz, J. Yang, K. Hibino, K. Honda, K. Kadota, K. Kasahara, K. Kawata, K. Machida, K. Martens, K. Nagasawa, K. Oki, K. Tanaka, K. Tsutsumi, K. Yamazaki, K. Yashiro, L.M. Scott, M. Abe, M. Allen, M. Chikawa, M. Fukushima, M.J. Chae, M. Minamino, M. Ohnishi, M. Ono, M.S. Pshirkov, M. Takamura, M. Takeda, M. Takita, M. Tanaka, N. Hayashida, N. Inoue, N. Sakurai, O. Kalashev, P.D. Shah, P. Sokolsky, P. Tinyakov, R. Anderson, R. Azuma, R. Cady, R. Ishimori, R. Takeishi, R.U. Abbasi, R.W. Springer, R. Yamane, R. Zollinger, S.A. Blake, S.B. Thomas, S.I. Lim, S. Kawakami, S. Kawana, S. Kitamura, S. Nagataki, S. Ogio, S. Ozawa, S.R. Stratton, S. Troitsky, S. Udo, S. Yoshida, T. Abu-Zayyad, T. Fujii, T. Goto, T. Ishii, T. Matsuda, T. Matsuyama, T. Nakamura, T. Nonaka, T. Okuda, T. Shibata, T. Stroman, T. Suzawa, T. Tomida, T. Wong, V. Kuzmin, W. Hanlon, W.R. Cho, Y. Hayashi, Y.J. Kwon, Y. Kitamura, Y. Mukai, Y. Tameda, Y. Tsunesada, Y. Uchihori, Y. Yoneda, Z. Zundel","submitted_at":"2014-08-07T22:43:49Z","abstract_excerpt":"Previous measurements of the composition of Ultra-High Energy Cosmic Rays(UHECRs) made by the High Resolution Fly's Eye(HiRes) and Pierre Auger Observatory(PAO) are seemingly contradictory, but utilize different detection methods, as HiRes was a stereo detector and PAO is a hybrid detector. The five year Telescope Array(TA) Middle Drum hybrid composition measurement is similar in some, but not all, respects in methodology to PAO, and good agreement is evident between data and a light, largely protonic, composition when comparing the measurements to predictions obtained with the QGSJetII-03 and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.1726","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}