Accès ouvert déclaré
2013
preprint
The Energy Spectrum of Ultra-High-Energy Cosmic Rays Measured by the Telescope Array FADC Fluorescence Detectors in Monocular Mode
The Telescope Array Collaboration, T. Abu-Zayyad, R. Aida, M. Allen, R. J. Anderson, R. Azuma, E. Barcikowski, J. W. Belz, D. R. Bergman, S. A. Blake, R. Cady, B. G. Cheon, J. Chiba, M. Chikawa, E. J. Cho, W. R. Cho, H. Fujii, Toshihiro Fujii, Tatsuya Fukuda, M. Fukushima, W. Hanlon, K. Hayashi, Y. Hayashi, N. Hayashida, K. Hibino, K. Hiyama, K. Honda, T. Iguchi, D. Ikeda, K. Ikuta, Naoko Inoue, Takaaki Ishii, R. Ishimori, Hirotaka Ito, D. Ivanov, S. Iwamoto, C. C. H. Jui, K. Kadota, F. Kakimoto, O. Kalashev, T. Kanbe, K. Kasahara, H. Kawai, S. Kawakami, S. Kawana, E. Kido, Jihyun Kim, H. K. Kim, J. H. Kim, K. Kitamoto, S. Kitamura, Yoshifumi Kitamura, Kazuyoshi Kobayashi, Y. Kobayashi, Yutaka Kondo, K. Kuramoto, V. Kuzmin, Y. J. Kwon, J. Lan, S. I. Lim, Jon Paul Lundquist, S. Machida, K. Martens, T. Matsuda, T. Matsuura, T. Matsuyama, J. N. Matthews, I. Myers, M. Minamino, Kikuko Miyata, Y. Murano, Shigehiro Nagataki, T. Nakamura, Wonwoo Nam, T. Nonaka, S. Ogio, J. Ogura, M. Ohnishi, H. Ohoka, K. Oki, D. Oku, T. Okuda, M. Ono, A. Oshima, S. Ozawa, I. H. Park, М. С. Пширков, D. Rodriguez, Soonyoung Roh, Г. И. Рубцов, Dongsu Ryu, H. Sagawa, N. Sakurai, A. L. Sampson, L. M. Scott, P. D. Shah, F. Shibata, T. Shibata, H. Shimodaira, B. K. Shin, T. Shirahama, J. D. Smith, P. Sokolsky, T. Sonley, R. W. Springer, B. T. Stokes, S. R. Stratton, T. A. Stroman, Shinya Suzuki, Yoshiyuki Takahashi, Masatoshi Takeda, A. Taketa, M. Takita, Y. Tameda, H. Tanaka, K. Tanaka, M. Tanaka, S. B. Thomas, G. B. Thomson, P. Tinyakov, I. Tkachev, H. Tokuno, T. Tomida, S. Troitsky, Y. Tsunesada, K. Tsutsumi, Y. Tsuyuguchi, Y. Uchihori, S. Udo, H. Ukai, G. Vasiloff, Yuuki Wada, Tiffany Wong, Yuji Yamakawa, R. Yamane, H. Yamaoka, K. Yamazaki, Jian Yang, Y. Yoneda, S. Yoshida, H. Yoshii, R. Zollinger, Z. Zundel
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Le résumé fourni par la source
We present a measurement of the energy spectrum of ultra-high-energy cosmic rays performed by the Telescope Array experiment using monocular observations from its two new FADC-based fluorescence detectors. After a short description of the experiment, we describe the data analysis and event reconstruction procedures. Since the aperture of the experiment must be calculated by Monte Carlo simulation, we describe this calculation and the comparisons of simulated and real data used to verify the validity of the aperture calculation. Finally, we present the energy spectrum calculated from the merged monocular data sets of the two FADC-based detectors, and also the combination of this merged spectrum with an independent, previously published monocular spectrum measurement performed by Telescope Array's third fluorescence detector (Abu-Zayyad {\it et al.}, {Astropart. Phys.} 39 (2012), 109). This combined spectrum corroborates the recently published Telescope Array surface detector spectrum (Abu-Zayyad {\it et al.}, {Astrophys. Journ.} 768 (2013), L1) with independent systematic uncertainties.
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Les sujets associés
Astrophysics and Cosmic PhenomenaDark Matter and Cosmic PhenomenaGamma-ray bursts and supernovae