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The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Modeстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 июня 2021 г.
- Авторы: Abbasi R.U., Abe M., Abu-Zayyad T., Allen M., Arai Y., Barcikowski E., Belz J.W., Bergman D.R., Blake S.A., Cady R., Cheon B.G., Chiba J., Chikawa M., Fujii T., Fujisue K., Fujita K., Fujiwara R., Fujiwara R., Fukushima M., Fukushima M., Fukushima R., Fukushima R., Furlich G.Hanlon W, Furlich G.Hanlon W, Hayashi M., Hayashi M., Hayashida N., Hayashida N., Hibino K., Hibino K., Higuchi R., Higuchi R., Honda K., Honda K., Ikeda D., Ikeda D., Inadomi T., Inadomi T., Inoue N., Inoue N., Ishii T., Ishii T., Ito H., Ito H., Ivanov D., Ivanov D., Iwakura H., Iwakura H., Jeong H.M., Jeong H.M., Jeong S., Jeong S., Jui C.C.H, Jui C.C.H, Kadota K., Kadota K., Kakimoto F., Kakimoto F., Kalashev O., Kalashev O., Kasahara K., Kasahara K., Kasami S., Kasami S., Kawai H., Kawai H., Kawakami S., Kawakami S., Kawana S., Kawana S., Kawata K., Kawata K., Kido E., Kido E., Kim H.B., Kim H.B., Kim J.H., Kim J.H., Kim J.H., Kim J.H., Kim M.H., Kim M.H., Kim S.W., Kim S.W., Kimura Y., Kimura Y., Kishigami S., Kishigami S., Kuzmin V., Kuzmin V., Kuznetsov M., Kuznetsov M., Kwon Y.J., Kwon Y.J., Lee K.H., Lee K.H., Lubsandorzhiev B., Lubsandorzhiev B., Lundquist J.P., Lundquist J.P., Machida K., Machida K., Matsumiya H., Matsumiya H., Matsuyama T., Matsuyama T., Matthews J.N., Matthews J.N., Mayta R., Mayta R., Minamino M., Minamino M., Mukai K., Mukai K., Myers I., Myers I., Nagataki S., Nagataki S., Nakai K., Nakai K., Nakamura R., Nakamura R., Nakamura T., Nakamura T., Nakamura Y., Nakamura Y., Nonaka T., Nonaka T., Oda H., Oda H., Ogio S., Ogio S., Ohnishi M., Ohnishi M., Ohoka H., Ohoka H., Oku Y., Oku Y., Okuda T., Okuda T., Omura Y., Omura Y., Ono M., Ono M., Onogi R., Onogi R., Oshima A., Oshima A., Ozawa S., Ozawa S., Park I.H., Park I.H., Pshirkov M.S., Pshirkov M.S., Remington J., Remington J., Rodriguez D.C., Rodriguez D.C., Rubtsov G.I., Rubtsov G.I., Ryu D., Ryu D., Sagawa H., Sagawa H., Sahara R., Sahara R., Saito Y., Saito Y., Sakaki N., Sakaki N., Sako T., Sako T., Sakurai N., Sakurai N., Sano K., Sano K., Sato K., Sato K., Seki T., Seki T., Sekino K., Sekino K., Shah P.D., Shah P.D., Shibata F., Shibata F., Shibata N., Shibata N., Shibata T., Shibata T., Shimodaira H., Shimodaira H., Shin B.K., Shin B.K., Shin H.S., Shin H.S., Shinto D., Shinto D., Smith J.D., Smith J.D., Sokolsky P., Sokolsky P., Sone N., Sone N., Stokes B.T., Stokes B.T., Stroman T.A., Stroman T.A., Suzawa T., Suzawa T., Takagi Y., Takagi Y., Takahashi Y., Takahashi Y., Takamura M., Takamura M., Takeda M., Takeda M., Takeishi R., Takeishi R., Taketa A., Taketa A., Takita M., Takita M., Tameda Y., Tameda Y., Tanaka H., Tanaka H., Tanaka K., Tanaka K., Tanaka M., Tanaka M., Tanoue Y., Tanoue Y., Thomas S.B., Thomas S.B., Thomson G.B., Thomson G.B., Tinyakov P., Tinyakov P., Tkachev I., Tkachev I., Tokuno H., Tokuno H., Tomida T., Tomida T., Troitsky S., Troitsky S., Tsuda R., Tsuda R., Tsunesada Y., Tsunesada Y., Uchihori Y., Uchihori Y., Udo S., Udo S., Uehama T., Uehama T., Urban F., Urban F., Wong T., Wong T., Yada K., Yada K., Yamamoto M., Yamamoto M., Yamazaki K., Yamazaki K., Yang J., Yang J., Yashiro K., Yashiro K., Yoshida F., Yoshida F., Zhezher Y., Zhezher Y., Zundel Z., Zundel Z.
- Журнал: Astrophysical Journal
- Том: 909
- Номер: 2
- Год издания: 2021
- Издательство: University of Chicago Press
- Местоположение издательства: United States
- Первая страница: 178
- DOI: 10.3847/1538-4357/abdd30
- Аннотация: We report on a measurement of the cosmic-ray composition by the Telescope Array Low-energy Extension (TALE) air fluorescence detector (FD). By making use of the Cherenkov light signal in addition to air fluorescence light from cosmic-ray (CR)-induced extensive air showers, the TALE FD can measure the properties of the cosmic rays with energies as low as ∼2 PeV and exceeding 1 EeV. In this paper, we present results on the measurement of ${X}_{\max }$ <!-- --> distributions of showers observed over this energy range. Data collected over a period of ∼4 yr were analyzed for this study. The resulting ${X}_{\max }$ <!-- --> distributions are compared to the Monte Carlo (MC) simulated data distributions for primary cosmic rays with varying composition and a four-component fit is performed. The comparison and fit are performed for energy bins, of width 0.1 or 0.2 in ${\mathrm{log}}_{10}(E/\mathrm{eV})$ <!-- --> ,spanning the full range of the measured energies. We also examine the mean ${X}_{\max }$ <!-- --> value as a function of energy for cosmic rays with energies greater than 1015.8 eV. Below 1017.3 eV, the slope of the mean ${X}_{\max }$ <!-- --> as a function of energy (the elongation rate) for the data is significantly smaller than that of all elements in the models, indicating that the composition is becoming heavier with energy in this energy range. This is consistent with a rigidity-dependent cutoff of events from Galactic sources. Finally, an increase in the ${X}_{\max }$ <!-- --> elongation rate is observed at energies just above 1017 eV, indicating another change in the cosmic-ray composition.
- Добавил в систему: Пширков Максим Сергеевич