Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector

R. U. Abbasi; M. Abe; T. Abu-Zayyad; M. Allen; R. Azuma; E. Barcikowski; J. W. Belz; D. R. Bergman; S. A. Blake; R. Cady; B. G. Cheon; J. Chiba; M. Chikawa; A. di Matteo; T. Fujii; K. Fujita; R. Fujiwara; M. Fukushima; G. Furlich; W. Hanlon; M. Hayashi; Y. Hayashi; N. Hayashida; K. Hibino; K. Honda; D. Ikeda; N. Inoue; T. Ishii; R. Ishimori; H. Ito; D. Ivanov; H. M. Jeong; S. Jeong; C. C.H. Jui; K. Kadota; F. Kakimoto; O. Kalashev; K. Kasahara; H. Kawai; S. Kawakami; S. Kawana; K. Kawata; E. Kido; H. B. Kim; J. H. Kim; J. H. Kim; S. Kishigami; S. Kitamura; Y. Kitamura; V. Kuzmin; M. Kuznetsov; Y. J. Kwon; K. H. Lee; B. Lubsandorzhiev; J. P. Lundquist; K. Machida; K. Martens; T. Matsuyama; J. N. Matthews; R. Mayta; M. Minamino; K. Mukai; I. Myers; K. Nagasawa; S. Nagataki; K. Nakai; R. Nakamura; T. Nakamura; T. Nonaka; H. Oda; S. Ogio; J. Ogura; M. Ohnishi; H. Ohoka; T. Okuda; Y. Omura; M. Ono; R. Onogi; A. Oshima; S. Ozawa; I. H. Park; M. S. Pshirkov; J. Remington; D. C. Rodriguez; G. Rubtsov; D. Ryu; H. Sagawa; R. Sahara; K. Saito; Y. Saito; N. Sakaki; T. Sako; N. Sakurai; L. M. Scott; T. Seki; K. Sekino; P. D. Shah; F. Shibata; T. Shibata; H. Shimodaira; B. K. Shin; H. S. Shin; J. D. Smith; P. Sokolsky; B. T. Stokes; S. R. Stratton; T. A. Stroman; T. Suzawa; Y. Takagi; Y. Takahashi; M. Takamura; M. Takeda; R. Takeishi; A. Taketa; M. Takita; Y. Tameda; H. Tanaka; K. Tanaka; M. Tanaka; Y. Tanoue; S. B. Thomas; G. B. Thomson; P. Tinyakov; I. Tkachev; H. Tokuno; T. Tomida; S. Troitsky; Y. Tsunesada; K. Tsutsumi; Y. Uchihori; S. Udo; F. Urban; T. Wong; K. Yada; M. Yamamoto; H. Yamaoka; K. Yamazaki; J. Yang; K. Yashiro; H. Yoshii; Y. Zhezher; Z. Zundel

doi:10.1134/S106377612005012X

Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector

R. U. Abbasi, M. Abe, T. Abu-Zayyad, M. Allen, R. Azuma, E. Barcikowski, J. W. Belz, D. R. Bergman, S. A. Blake, R. Cady, B. G. Cheon, J. Chiba, M. Chikawa, A. di Matteo, T. Fujii, K. Fujita, R. Fujiwara, M. Fukushima, G. Furlich, W. HanlonM. Hayashi, Y. Hayashi, N. Hayashida, K. Hibino, K. Honda, D. Ikeda, N. Inoue, T. Ishii, R. Ishimori, H. Ito, D. Ivanov, H. M. Jeong, S. Jeong, C. C.H. Jui, K. Kadota, F. Kakimoto, O. Kalashev, K. Kasahara, H. Kawai, S. Kawakami, S. Kawana, K. Kawata, E. Kido, H. B. Kim, J. H. Kim, J. H. Kim, S. Kishigami, S. Kitamura, Y. Kitamura, V. Kuzmin, M. Kuznetsov, Y. J. Kwon, K. H. Lee, B. Lubsandorzhiev, J. P. Lundquist, K. Machida, K. Martens, T. Matsuyama, J. N. Matthews, R. Mayta, M. Minamino, K. Mukai, I. Myers, K. Nagasawa, S. Nagataki, K. Nakai, R. Nakamura, T. Nakamura, T. Nonaka, H. Oda, S. Ogio, J. Ogura, M. Ohnishi, H. Ohoka, T. Okuda, Y. Omura, M. Ono, R. Onogi, A. Oshima, S. Ozawa, I. H. Park, M. S. Pshirkov, J. Remington, D. C. Rodriguez, G. Rubtsov, D. Ryu, H. Sagawa, R. Sahara, K. Saito, Y. Saito, N. Sakaki, T. Sako, N. Sakurai, L. M. Scott, T. Seki, K. Sekino, P. D. Shah, F. Shibata, T. Shibata, H. Shimodaira, B. K. Shin, H. S. Shin, J. D. Smith, P. Sokolsky, B. T. Stokes, S. R. Stratton, T. A. Stroman, T. Suzawa, Y. Takagi, Y. Takahashi, M. Takamura, M. Takeda, R. Takeishi, A. Taketa, M. Takita, Y. Tameda, H. Tanaka, K. Tanaka, M. Tanaka, Y. Tanoue, S. B. Thomas, G. B. Thomson, P. Tinyakov, I. Tkachev, H. Tokuno, T. Tomida, S. Troitsky, Y. Tsunesada, K. Tsutsumi, Y. Uchihori, S. Udo, F. Urban, T. Wong, K. Yada, M. Yamamoto, H. Yamaoka, K. Yamazaki, J. Yang, K. Yashiro, H. Yoshii, Y. Zhezher, Z. Zundel

Department of Physics

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Abstract

Abstract: We present an upper limit on the flux of ultra-high-energy down-going neutrinos for E > 10¹⁸ eV derived with the nine years of data collected by the Telescope Array surface detector (from November 5, 2008 to October 5, 2017). The method is based on the multivariate analysis technique, so-called Boosted Decision Trees (BDT). Proton-neutrino classifier is built upon 16 observables related to both the properties of the shower front and the lateral distribution function.

Original language	English
Pages (from-to)	255-264
Number of pages	10
Journal	Journal of Experimental and Theoretical Physics
Volume	131
Issue number	2
DOIs	https://doi.org/10.1134/S106377612005012X
Publication status	Published - 2020 Aug 1

Bibliographical note

Funding Information:
The Telescope Array experiment is supported by the Japan Society for the Promotion of Science (JSPS) through Grants-in-Aid for Priority Area 431, for Specially Promoted Research JP21000002, for Scientific Research (S) JP19104006, for Specially Promoted Research JP15H05693, for Scientific Research (S) JP15H05741, for Science Research (A) JP18H03705 and for Young Scientists (A) JPH26707011; by the joint research program of the Institute for Cosmic Ray Research (ICRR), The University of Tokyo; by the U.S. National Science Foundation awards PHY-0601915, PHY-1404495, PHY-1404502, and PHY-1607727; by the National Research Foundation of Korea (2016R1A2B4014967, 2016R1A5A1013277, 2017K1A4A3015188, 2017R1A2A1A05071429); IISN project no. 4.4502.13, and Belgian Science Policy under IUAP VII/37 (ULB). The development and application of the multivariate analysis method is supported by the Russian Science Foundation grant no. 17-72-20291 (INR). The foundations of Dr. Ezekiel R. and Edna Wattis Dumke, Willard L. Eccles, and George S. and Dolores Doré Eccles all helped with generous donations. The State of Utah supported the project through its Economic Development Board, and the University of Utah through the Office of the Vice President for Research. The experimental site became available through the cooperation of the Utah School and Institutional Trust Lands Administration (SITLA), U.S. Bureau of Land Management (BLM), and the U.S. Air Force. We appreciate the assistance of the State of Utah and Fillmore offices of the BLM in crafting the Plan of Development for the site. Patrick Shea assisted the collaboration with valuable advice on a variety of topics. The people and the officials of Millard County, Utah have been a source of steadfast and warm support for our work which we greatly appreciate. We are indebted to the Millard County Road Department for their efforts to maintain and clear the roads which get us to our sites. We gratefully acknowledge the contribution from the technical staffs of our home institutions. An allocation of computer time from the Center for High Performance Computing at the University of Utah is gratefully acknowledged. The cluster of the Theoretical Division of INR RAS was used for the numerical part of the work. This work was partially supported by the Collaborative research program of the Institute for Cosmic Ray Research (ICRR), the University of Tokyo.

Publisher Copyright:
© 2020, Pleiades Publishing, Inc.

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1134/S106377612005012X

Cite this

Abbasi, R. U., Abe, M., Abu-Zayyad, T., Allen, M., Azuma, R., Barcikowski, E., Belz, J. W., Bergman, D. R., Blake, S. A., Cady, R., Cheon, B. G., Chiba, J., Chikawa, M., di Matteo, A., Fujii, T., Fujita, K., Fujiwara, R., Fukushima, M., Furlich, G., ... Zundel, Z. (2020). Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector. Journal of Experimental and Theoretical Physics, 131(2), 255-264. https://doi.org/10.1134/S106377612005012X

@article{de77799b77314f36aba13e454e081429,

title = "Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector",

abstract = "Abstract: We present an upper limit on the flux of ultra-high-energy down-going neutrinos for E > 1018 eV derived with the nine years of data collected by the Telescope Array surface detector (from November 5, 2008 to October 5, 2017). The method is based on the multivariate analysis technique, so-called Boosted Decision Trees (BDT). Proton-neutrino classifier is built upon 16 observables related to both the properties of the shower front and the lateral distribution function.",

author = "Abbasi, {R. U.} and M. Abe and T. Abu-Zayyad and M. Allen and R. Azuma and E. Barcikowski and Belz, {J. W.} and Bergman, {D. R.} and Blake, {S. A.} and R. Cady and Cheon, {B. G.} and J. Chiba and M. Chikawa and {di Matteo}, A. and T. Fujii and K. Fujita and R. Fujiwara and M. Fukushima and G. Furlich 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 Jeong, {H. M.} and S. Jeong and Jui, {C. C.H.} 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 Kim, {H. B.} and Kim, {J. H.} and Kim, {J. H.} and S. Kishigami and S. Kitamura and Y. Kitamura and V. Kuzmin and M. Kuznetsov and Kwon, {Y. J.} and Lee, {K. H.} and B. Lubsandorzhiev and Lundquist, {J. P.} and K. Machida and K. Martens and T. Matsuyama and Matthews, {J. N.} and R. Mayta and M. Minamino and K. Mukai and I. Myers and K. Nagasawa and S. Nagataki and K. Nakai 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 Park, {I. H.} and Pshirkov, {M. S.} and J. Remington and Rodriguez, {D. C.} and G. Rubtsov and D. Ryu and H. Sagawa and R. Sahara and K. Saito and Y. Saito and N. Sakaki and T. Sako and N. Sakurai and Scott, {L. M.} and T. Seki and K. Sekino and Shah, {P. D.} and F. Shibata and T. Shibata and H. Shimodaira and Shin, {B. K.} and Shin, {H. S.} and Smith, {J. D.} and P. Sokolsky and Stokes, {B. T.} and Stratton, {S. R.} and Stroman, {T. A.} 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 Y. Tanoue and Thomas, {S. B.} and Thomson, {G. B.} 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 K. Yada and M. Yamamoto and H. Yamaoka and K. Yamazaki and J. Yang and K. Yashiro and H. Yoshii and Y. Zhezher and Z. Zundel",

note = "Funding Information: The Telescope Array experiment is supported by the Japan Society for the Promotion of Science (JSPS) through Grants-in-Aid for Priority Area 431, for Specially Promoted Research JP21000002, for Scientific Research (S) JP19104006, for Specially Promoted Research JP15H05693, for Scientific Research (S) JP15H05741, for Science Research (A) JP18H03705 and for Young Scientists (A) JPH26707011; by the joint research program of the Institute for Cosmic Ray Research (ICRR), The University of Tokyo; by the U.S. National Science Foundation awards PHY-0601915, PHY-1404495, PHY-1404502, and PHY-1607727; by the National Research Foundation of Korea (2016R1A2B4014967, 2016R1A5A1013277, 2017K1A4A3015188, 2017R1A2A1A05071429); IISN project no. 4.4502.13, and Belgian Science Policy under IUAP VII/37 (ULB). The development and application of the multivariate analysis method is supported by the Russian Science Foundation grant no. 17-72-20291 (INR). The foundations of Dr. Ezekiel R. and Edna Wattis Dumke, Willard L. Eccles, and George S. and Dolores Dor{\'e} Eccles all helped with generous donations. The State of Utah supported the project through its Economic Development Board, and the University of Utah through the Office of the Vice President for Research. The experimental site became available through the cooperation of the Utah School and Institutional Trust Lands Administration (SITLA), U.S. Bureau of Land Management (BLM), and the U.S. Air Force. We appreciate the assistance of the State of Utah and Fillmore offices of the BLM in crafting the Plan of Development for the site. Patrick Shea assisted the collaboration with valuable advice on a variety of topics. The people and the officials of Millard County, Utah have been a source of steadfast and warm support for our work which we greatly appreciate. We are indebted to the Millard County Road Department for their efforts to maintain and clear the roads which get us to our sites. We gratefully acknowledge the contribution from the technical staffs of our home institutions. An allocation of computer time from the Center for High Performance Computing at the University of Utah is gratefully acknowledged. The cluster of the Theoretical Division of INR RAS was used for the numerical part of the work. This work was partially supported by the Collaborative research program of the Institute for Cosmic Ray Research (ICRR), the University of Tokyo. Publisher Copyright: {\textcopyright} 2020, Pleiades Publishing, Inc.",

year = "2020",

month = aug,

day = "1",

doi = "10.1134/S106377612005012X",

language = "English",

volume = "131",

pages = "255--264",

journal = "Journal of Experimental and Theoretical Physics",

issn = "1063-7761",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "2",

}

Abbasi, RU, Abe, M, Abu-Zayyad, T, Allen, M, Azuma, R, Barcikowski, E, Belz, JW, Bergman, DR, Blake, SA, Cady, R, Cheon, BG, Chiba, J, Chikawa, M, di Matteo, A, Fujii, T, Fujita, K, Fujiwara, R, Fukushima, M, Furlich, G, Hanlon, W, Hayashi, M, Hayashi, Y, Hayashida, N, Hibino, K, Honda, K, Ikeda, D, Inoue, N, Ishii, T, Ishimori, R, Ito, H, Ivanov, D, Jeong, HM, Jeong, S, Jui, CCH, Kadota, K, Kakimoto, F, Kalashev, O, Kasahara, K, Kawai, H, Kawakami, S, Kawana, S, Kawata, K, Kido, E, Kim, HB, Kim, JH, Kim, JH, Kishigami, S, Kitamura, S, Kitamura, Y, Kuzmin, V, Kuznetsov, M, Kwon, YJ, Lee, KH, Lubsandorzhiev, B, Lundquist, JP, Machida, K, Martens, K, Matsuyama, T, Matthews, JN, Mayta, R, Minamino, M, Mukai, K, Myers, I, Nagasawa, K, Nagataki, S, Nakai, K, Nakamura, R, Nakamura, T, Nonaka, T, Oda, H, Ogio, S, Ogura, J, Ohnishi, M, Ohoka, H, Okuda, T, Omura, Y, Ono, M, Onogi, R, Oshima, A, Ozawa, S, Park, IH, Pshirkov, MS, Remington, J, Rodriguez, DC, Rubtsov, G, Ryu, D, Sagawa, H, Sahara, R, Saito, K, Saito, Y, Sakaki, N, Sako, T, Sakurai, N, Scott, LM, Seki, T, Sekino, K, Shah, PD, Shibata, F, Shibata, T, Shimodaira, H, Shin, BK, Shin, HS, Smith, JD, Sokolsky, P, Stokes, BT, Stratton, SR, Stroman, TA, Suzawa, T, Takagi, Y, Takahashi, Y, Takamura, M, Takeda, M, Takeishi, R, Taketa, A, Takita, M, Tameda, Y, Tanaka, H, Tanaka, K, Tanaka, M, Tanoue, Y, Thomas, SB, Thomson, GB, Tinyakov, P, Tkachev, I, Tokuno, H, Tomida, T, Troitsky, S, Tsunesada, Y, Tsutsumi, K, Uchihori, Y, Udo, S, Urban, F, Wong, T, Yada, K, Yamamoto, M, Yamaoka, H, Yamazaki, K, Yang, J, Yashiro, K, Yoshii, H, Zhezher, Y & Zundel, Z 2020, 'Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector', Journal of Experimental and Theoretical Physics, vol. 131, no. 2, pp. 255-264. https://doi.org/10.1134/S106377612005012X

TY - JOUR

T1 - Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector

AU - Abbasi, R. U.

AU - Abe, M.

AU - Abu-Zayyad, T.

AU - Allen, M.

AU - Azuma, R.

AU - Barcikowski, E.

AU - Belz, J. W.

AU - Bergman, D. R.

AU - Blake, S. A.

AU - Cady, R.

AU - Cheon, B. G.

AU - Chiba, J.

AU - Chikawa, M.

AU - di Matteo, A.

AU - Fujii, T.

AU - Fujita, K.

AU - Fujiwara, R.

AU - Fukushima, M.

AU - Furlich, G.

AU - Hanlon, W.

AU - Hayashi, M.

AU - Hayashi, Y.

AU - Hayashida, N.

AU - Hibino, K.

AU - Honda, K.

AU - Ikeda, D.

AU - Inoue, N.

AU - Ishii, T.

AU - Ishimori, R.

AU - Ito, H.

AU - Ivanov, D.

AU - Jeong, H. M.

AU - Jeong, S.

AU - Jui, C. C.H.

AU - Kadota, K.

AU - Kakimoto, F.

AU - Kalashev, O.

AU - Kasahara, K.

AU - Kawai, H.

AU - Kawakami, S.

AU - Kawana, S.

AU - Kawata, K.

AU - Kido, E.

AU - Kim, H. B.

AU - Kim, J. H.

AU - Kishigami, S.

AU - Kitamura, S.

AU - Kitamura, Y.

AU - Kuzmin, V.

AU - Kuznetsov, M.

AU - Kwon, Y. J.

AU - Lee, K. H.

AU - Lubsandorzhiev, B.

AU - Lundquist, J. P.

AU - Machida, K.

AU - Martens, K.

AU - Matsuyama, T.

AU - Matthews, J. N.

AU - Mayta, R.

AU - Minamino, M.

AU - Mukai, K.

AU - Myers, I.

AU - Nagasawa, K.

AU - Nagataki, S.

AU - Nakai, K.

AU - Nakamura, R.

AU - Nakamura, T.

AU - Nonaka, T.

AU - Oda, H.

AU - Ogio, S.

AU - Ogura, J.

AU - Ohnishi, M.

AU - Ohoka, H.

AU - Okuda, T.

AU - Omura, Y.

AU - Ono, M.

AU - Onogi, R.

AU - Oshima, A.

AU - Ozawa, S.

AU - Park, I. H.

AU - Pshirkov, M. S.

AU - Remington, J.

AU - Rodriguez, D. C.

AU - Rubtsov, G.

AU - Ryu, D.

AU - Sagawa, H.

AU - Sahara, R.

AU - Saito, K.

AU - Saito, Y.

AU - Sakaki, N.

AU - Sako, T.

AU - Sakurai, N.

AU - Scott, L. M.

AU - Seki, T.

AU - Sekino, K.

AU - Shah, P. D.

AU - Shibata, F.

AU - Shibata, T.

AU - Shimodaira, H.

AU - Shin, B. K.

AU - Shin, H. S.

AU - Smith, J. D.

AU - Sokolsky, P.

AU - Stokes, B. T.

AU - Stratton, S. R.

AU - Stroman, T. A.

AU - Suzawa, T.

AU - Takagi, Y.

AU - Takahashi, Y.

AU - Takamura, M.

AU - Takeda, M.

AU - Takeishi, R.

AU - Taketa, A.

AU - Takita, M.

AU - Tameda, Y.

AU - Tanaka, H.

AU - Tanaka, K.

AU - Tanaka, M.

AU - Tanoue, Y.

AU - Thomas, S. B.

AU - Thomson, G. B.

AU - Tinyakov, P.

AU - Tkachev, I.

AU - Tokuno, H.

AU - Tomida, T.

AU - Troitsky, S.

AU - Tsunesada, Y.

AU - Tsutsumi, K.

AU - Uchihori, Y.

AU - Udo, S.

AU - Urban, F.

AU - Wong, T.

AU - Yada, K.

AU - Yamamoto, M.

AU - Yamaoka, H.

AU - Yamazaki, K.

AU - Yang, J.

AU - Yashiro, K.

AU - Yoshii, H.

AU - Zhezher, Y.

AU - Zundel, Z.

N1 - Funding Information: The Telescope Array experiment is supported by the Japan Society for the Promotion of Science (JSPS) through Grants-in-Aid for Priority Area 431, for Specially Promoted Research JP21000002, for Scientific Research (S) JP19104006, for Specially Promoted Research JP15H05693, for Scientific Research (S) JP15H05741, for Science Research (A) JP18H03705 and for Young Scientists (A) JPH26707011; by the joint research program of the Institute for Cosmic Ray Research (ICRR), The University of Tokyo; by the U.S. National Science Foundation awards PHY-0601915, PHY-1404495, PHY-1404502, and PHY-1607727; by the National Research Foundation of Korea (2016R1A2B4014967, 2016R1A5A1013277, 2017K1A4A3015188, 2017R1A2A1A05071429); IISN project no. 4.4502.13, and Belgian Science Policy under IUAP VII/37 (ULB). The development and application of the multivariate analysis method is supported by the Russian Science Foundation grant no. 17-72-20291 (INR). The foundations of Dr. Ezekiel R. and Edna Wattis Dumke, Willard L. Eccles, and George S. and Dolores Doré Eccles all helped with generous donations. The State of Utah supported the project through its Economic Development Board, and the University of Utah through the Office of the Vice President for Research. The experimental site became available through the cooperation of the Utah School and Institutional Trust Lands Administration (SITLA), U.S. Bureau of Land Management (BLM), and the U.S. Air Force. We appreciate the assistance of the State of Utah and Fillmore offices of the BLM in crafting the Plan of Development for the site. Patrick Shea assisted the collaboration with valuable advice on a variety of topics. The people and the officials of Millard County, Utah have been a source of steadfast and warm support for our work which we greatly appreciate. We are indebted to the Millard County Road Department for their efforts to maintain and clear the roads which get us to our sites. We gratefully acknowledge the contribution from the technical staffs of our home institutions. An allocation of computer time from the Center for High Performance Computing at the University of Utah is gratefully acknowledged. The cluster of the Theoretical Division of INR RAS was used for the numerical part of the work. This work was partially supported by the Collaborative research program of the Institute for Cosmic Ray Research (ICRR), the University of Tokyo. Publisher Copyright: © 2020, Pleiades Publishing, Inc.

PY - 2020/8/1

Y1 - 2020/8/1

N2 - Abstract: We present an upper limit on the flux of ultra-high-energy down-going neutrinos for E > 1018 eV derived with the nine years of data collected by the Telescope Array surface detector (from November 5, 2008 to October 5, 2017). The method is based on the multivariate analysis technique, so-called Boosted Decision Trees (BDT). Proton-neutrino classifier is built upon 16 observables related to both the properties of the shower front and the lateral distribution function.

AB - Abstract: We present an upper limit on the flux of ultra-high-energy down-going neutrinos for E > 1018 eV derived with the nine years of data collected by the Telescope Array surface detector (from November 5, 2008 to October 5, 2017). The method is based on the multivariate analysis technique, so-called Boosted Decision Trees (BDT). Proton-neutrino classifier is built upon 16 observables related to both the properties of the shower front and the lateral distribution function.

UR - http://www.scopus.com/inward/record.url?scp=85091343877&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85091343877&partnerID=8YFLogxK

U2 - 10.1134/S106377612005012X

DO - 10.1134/S106377612005012X

M3 - Article

AN - SCOPUS:85091343877

SN - 1063-7761

VL - 131

SP - 255

EP - 264

JO - Journal of Experimental and Theoretical Physics

JF - Journal of Experimental and Theoretical Physics

IS - 2

ER -

Search for Ultra-High-Energy Neutrinos with the Telescope Array Surface Detector

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