Constraints on the diffuse photon flux with energies above $10^{18}$ eV using the surface detector of the Telescope Array experiment
High Energy Astrophysical Phenomena
2019-03-29 v2 High Energy Physics - Experiment
High Energy Physics - Phenomenology
Abstract
We present the results of the search for ultra-high-energy photons with nine years of data from the Telescope Array surface detector. A multivariate classifier is built upon 16 reconstructed parameters of the extensive air shower. These parameters are related to the curvature and the width of the shower front, the steepness of the lateral distribution function, and the timing parameters of the waveforms sensitive to the shower muon content. A total number of two photon candidates found in the search is fully compatible with the expected background. The CL limits on the diffuse flux of the photons with energies greater than , , , and eV are set at the level of , , , , correspondingly.
Keywords
Cite
@article{arxiv.1811.03920,
title = {Constraints on the diffuse photon flux with energies above $10^{18}$ eV using the surface detector of the Telescope Array experiment},
author = {Telescope Array Collaboration and R. U. Abbasi and M. Abe and T. Abu-Zayyad and M. Allen and R. Azuma and E. Barcikowski and J. W. Belz and D. R. Bergman and S. A. Blake and R. Cady and B. G. Cheon and J. Chiba and M. Chikawa and A. di Matteo and T. Fujii and K. Fujita and M. Fukushima and G. Furlich and T. Goto and W. Hanlon and M. Hayashi and Y. Hayashi and N. Hayashida and K. Hibino and K. Honda and D. Ikeda and N. Inoue and T. Ishii and R. Ishimori and H. Ito and D. Ivanov and H. M. Jeong and S. Jeong and C. C. H. Jui and K. Kadota and F. Kakimoto and O. Kalashev and K. Kasahara and H. Kawai and S. Kawakami and S. Kawana and K. Kawata and E. Kido and H. B. Kim and J. H. Kim and J. H. Kim and S. Kishigami and S. Kitamura and Y. Kitamura and V. Kuzmin and M. Kuznetsov and Y. J. Kwon and K. H. Lee and B. Lubsandorzhiev and J. P. Lundquist and K. Machida and K. Martens and T. Matsuyama and J. N. Matthews and R. Mayta and M. Minamino and K. Mukai and I. Myers and K. Nagasawa and S. Nagataki and R. Nakamura and T. Nakamura and T. Nonaka and H. Oda and S. Ogio and J. Ogura and M. Ohnishi and H. Ohoka and T. Okuda and Y. Omura and M. Ono and R. Onogi and A. Oshima and S. Ozawa and I. H. Park and M. S. Piskunov and M. S. Pshirkov and J. Remington and D. C. Rodriguez and G. Rubtsov and D. Ryu and H. Sagawa and R. Sahara and K. Saito and Y. Saito and N. Sakaki and N. Sakurai and L. M. Scott and T. Seki and K. Sekino and P. D. Shah and F. Shibata and T. Shibata and H. Shimodaira and B. K. Shin and H. S. Shin and J. D. Smith and P. Sokolsky and B. T. Stokes and S. R. Stratton and T. A. Stroman and T. Suzawa and Y. Takagi and Y. Takahashi and M. Takamura and M. Takeda and R. Takeishi and A. Taketa and M. Takita and Y. Tameda and H. Tanaka and K. Tanaka and M. Tanaka and S. B. Thomas and G. B. Thomson and P. Tinyakov and I. Tkachev and H. Tokuno and T. Tomida and S. Troitsky and Y. Tsunesada and K. Tsutsumi and Y. Uchihori and S. Udo and F. Urban and T. Wong and M. Yamamoto and R. Yamane and H. Yamaoka and K. Yamazaki and J. Yang and K. Yashiro and Y. Yoneda and S. Yoshida and H. Yoshii and Y. Zhezher and Z. Zundel},
journal= {arXiv preprint arXiv:1811.03920},
year = {2019}
}
Comments
7 pages, 2 figures