Study of Ultra-High Energy Cosmic Ray Composition Using Telescope Array's Middle Drum Detector and Surface Array in Hybrid Mode
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...
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creator | Abbasi, R U Abe, M Abu-Zayyad, T Allen, M Anderson, R Azuma, R Barcikowski, E Belz, J W Bergman, D R Blake, S A Cady, R Chae, M J Chiba, J Chikawa, M Cho, W R Fujii, T Fukushima, M Goto, T Hanlon, W Hayashi, Y Hayashida, N Honda, K Ikeda, D Inoue, N Ishii, T Ishimori, R Ito, H Ivanov, D Kadota, K Kakimoto, F Kalashev, O Kasahara, K Kawai, H Kawana, S Kawata, K Kim, H B Kitamura, S Kitamura, Y Kuzmin, V Kwon, Y J Lan, J Lim, S I Machida, K Martens, K Matsuda, T Matsuyama, T Matthews, J N Mukai, Y Nakamura, T Nonaka, T Ogio, S Ogura, J Ohnishi, M Ohoka, H Okuda, T Oshima, A Ozawa, S Park, I H Rodriguez, D C Ryu, D Sagawa, H Sakurai, N Sampson, A L Scott, L M Shibata, F Shibata, T Shimodaira, H Shin, H S Smith, J D Springer, R W Stokes, B T Stroman, T Suzawa, T Takamura, M Taketa, A Takita, M Tameda, Y Tanaka, H Tanaka, M Thomson, G B Tinyakov, P Tokuno, H Tomida, T Troitsky, S Tsunesada, Y Tsutsumi, K Uchihori, Y Udo, S Urban, F Vasiloff, G Wong, T Yamane, R Yamaoka, H Yang, J Yashiro, K Yoneda, Y Yoshida, S Yoshiia, H Zollinger, R Zundel, Z |
description | 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 QGSJet-01c models. These models are also in agreement with previous HiRes stereo measurements, confirming the equivalence of the stereo and hybrid methods. The data is incompatible with a pure iron composition, for all models examined, over the available range of energies. The elongation rate and mean values of Xmax are in good agreement with Pierre Auger Observatory data. This analysis is presented using two methods: data cuts using simple geometrical variables and a new pattern recognition technique. |
doi_str_mv | 10.48550/arxiv.1408.1726 |
format | Article |
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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 QGSJet-01c models. These models are also in agreement with previous HiRes stereo measurements, confirming the equivalence of the stereo and hybrid methods. The data is incompatible with a pure iron composition, for all models examined, over the available range of energies. The elongation rate and mean values of Xmax are in good agreement with Pierre Auger Observatory data. This analysis is presented using two methods: data cuts using simple geometrical variables and a new pattern recognition technique.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1408.1726</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Accuracy ; Arrays ; Augers ; Composition ; Cosmic rays ; Elongation ; Hybrid modes ; Observatories ; Pattern recognition ; Physics - High Energy Astrophysical Phenomena ; Physics - Instrumentation and Methods for Astrophysics ; Sensors</subject><ispartof>arXiv.org, 2014-11</ispartof><rights>2014. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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M</creatorcontrib><creatorcontrib>Taketa, A</creatorcontrib><creatorcontrib>Takita, M</creatorcontrib><creatorcontrib>Tameda, Y</creatorcontrib><creatorcontrib>Tanaka, H</creatorcontrib><creatorcontrib>Tanaka, M</creatorcontrib><creatorcontrib>Thomson, G B</creatorcontrib><creatorcontrib>Tinyakov, P</creatorcontrib><creatorcontrib>Tokuno, H</creatorcontrib><creatorcontrib>Tomida, T</creatorcontrib><creatorcontrib>Troitsky, S</creatorcontrib><creatorcontrib>Tsunesada, Y</creatorcontrib><creatorcontrib>Tsutsumi, K</creatorcontrib><creatorcontrib>Uchihori, Y</creatorcontrib><creatorcontrib>Udo, S</creatorcontrib><creatorcontrib>Urban, F</creatorcontrib><creatorcontrib>Vasiloff, G</creatorcontrib><creatorcontrib>Wong, T</creatorcontrib><creatorcontrib>Yamane, R</creatorcontrib><creatorcontrib>Yamaoka, H</creatorcontrib><creatorcontrib>Yang, J</creatorcontrib><creatorcontrib>Yashiro, K</creatorcontrib><creatorcontrib>Yoneda, Y</creatorcontrib><creatorcontrib>Yoshida, S</creatorcontrib><creatorcontrib>Yoshiia, H</creatorcontrib><creatorcontrib>Zollinger, R</creatorcontrib><creatorcontrib>Zundel, Z</creatorcontrib><title>Study of Ultra-High Energy Cosmic Ray Composition Using Telescope Array's Middle Drum Detector and Surface Array in Hybrid Mode</title><title>arXiv.org</title><description>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 QGSJet-01c models. These models are also in agreement with previous HiRes stereo measurements, confirming the equivalence of the stereo and hybrid methods. The data is incompatible with a pure iron composition, for all models examined, over the available range of energies. The elongation rate and mean values of Xmax are in good agreement with Pierre Auger Observatory data. This analysis is presented using two methods: data cuts using simple geometrical variables and a new pattern recognition technique.</description><subject>Accuracy</subject><subject>Arrays</subject><subject>Augers</subject><subject>Composition</subject><subject>Cosmic rays</subject><subject>Elongation</subject><subject>Hybrid modes</subject><subject>Observatories</subject><subject>Pattern recognition</subject><subject>Physics - High Energy Astrophysical Phenomena</subject><subject>Physics - Instrumentation and Methods for 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arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20141105</creationdate><title>Study of Ultra-High Energy Cosmic Ray Composition Using Telescope Array's Middle Drum Detector and Surface Array in Hybrid Mode</title><author>Abbasi, R U ; Abe, M ; Abu-Zayyad, T ; Allen, M ; Anderson, R ; Azuma, R ; Barcikowski, E ; Belz, J W ; Bergman, D R ; Blake, S A ; Cady, R ; Chae, M J ; Chiba, J ; Chikawa, M ; Cho, W R ; Fujii, T ; Fukushima, M ; Goto, T ; Hanlon, W ; Hayashi, Y ; Hayashida, N ; Honda, K ; Ikeda, D ; Inoue, N ; Ishii, T ; Ishimori, R ; Ito, H ; Ivanov, D ; Kadota, K ; Kakimoto, F ; Kalashev, O ; Kasahara, K ; Kawai, H ; Kawana, S ; Kawata, K ; Kim, H B ; Kitamura, S ; Kitamura, Y ; Kuzmin, V ; Kwon, Y J ; Lan, J ; Lim, S I ; Machida, K ; Martens, K ; Matsuda, T ; Matsuyama, T ; Matthews, J N ; Mukai, Y ; Nakamura, T ; Nonaka, T ; Ogio, S ; Ogura, J ; Ohnishi, M ; Ohoka, H ; Okuda, T ; Oshima, A ; Ozawa, S ; Park, I H ; Rodriguez, D C ; Ryu, D ; Sagawa, H ; Sakurai, N ; Sampson, A L ; Scott, L M ; Shibata, F ; Shibata, T ; Shimodaira, H ; Shin, H S ; Smith, J D ; Springer, R W ; Stokes, B T ; Stroman, T ; Suzawa, T ; Takamura, M ; Taketa, A ; Takita, M ; Tameda, Y ; Tanaka, H ; Tanaka, M ; Thomson, G B ; Tinyakov, P ; Tokuno, H ; Tomida, T ; Troitsky, S ; Tsunesada, Y ; Tsutsumi, K ; Uchihori, Y ; Udo, S ; Urban, F ; Vasiloff, G ; Wong, T ; Yamane, R ; Yamaoka, H ; Yang, J ; Yashiro, K ; Yoneda, Y ; Yoshida, S ; Yoshiia, H ; Zollinger, R ; Zundel, Z</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a516-3781c3edb47f26121e2f1f61ae58140382a0c92b2bafc1397a740c7334e8b7cb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Accuracy</topic><topic>Arrays</topic><topic>Augers</topic><topic>Composition</topic><topic>Cosmic rays</topic><topic>Elongation</topic><topic>Hybrid modes</topic><topic>Observatories</topic><topic>Pattern recognition</topic><topic>Physics - High Energy Astrophysical Phenomena</topic><topic>Physics - Instrumentation and Methods for Astrophysics</topic><topic>Sensors</topic><toplevel>online_resources</toplevel><creatorcontrib>Abbasi, R U</creatorcontrib><creatorcontrib>Abe, M</creatorcontrib><creatorcontrib>Abu-Zayyad, T</creatorcontrib><creatorcontrib>Allen, M</creatorcontrib><creatorcontrib>Anderson, R</creatorcontrib><creatorcontrib>Azuma, R</creatorcontrib><creatorcontrib>Barcikowski, 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M</creatorcontrib><creatorcontrib>Ohoka, H</creatorcontrib><creatorcontrib>Okuda, T</creatorcontrib><creatorcontrib>Oshima, A</creatorcontrib><creatorcontrib>Ozawa, S</creatorcontrib><creatorcontrib>Park, I H</creatorcontrib><creatorcontrib>Rodriguez, D C</creatorcontrib><creatorcontrib>Ryu, D</creatorcontrib><creatorcontrib>Sagawa, H</creatorcontrib><creatorcontrib>Sakurai, N</creatorcontrib><creatorcontrib>Sampson, A L</creatorcontrib><creatorcontrib>Scott, L M</creatorcontrib><creatorcontrib>Shibata, F</creatorcontrib><creatorcontrib>Shibata, T</creatorcontrib><creatorcontrib>Shimodaira, H</creatorcontrib><creatorcontrib>Shin, H S</creatorcontrib><creatorcontrib>Smith, J D</creatorcontrib><creatorcontrib>Springer, R W</creatorcontrib><creatorcontrib>Stokes, B T</creatorcontrib><creatorcontrib>Stroman, T</creatorcontrib><creatorcontrib>Suzawa, T</creatorcontrib><creatorcontrib>Takamura, M</creatorcontrib><creatorcontrib>Taketa, A</creatorcontrib><creatorcontrib>Takita, 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R</creatorcontrib><creatorcontrib>Zundel, Z</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abbasi, R U</au><au>Abe, M</au><au>Abu-Zayyad, T</au><au>Allen, M</au><au>Anderson, R</au><au>Azuma, R</au><au>Barcikowski, E</au><au>Belz, J W</au><au>Bergman, D R</au><au>Blake, S A</au><au>Cady, R</au><au>Chae, M J</au><au>Chiba, J</au><au>Chikawa, M</au><au>Cho, W R</au><au>Fujii, T</au><au>Fukushima, M</au><au>Goto, T</au><au>Hanlon, W</au><au>Hayashi, Y</au><au>Hayashida, N</au><au>Honda, K</au><au>Ikeda, D</au><au>Inoue, N</au><au>Ishii, T</au><au>Ishimori, R</au><au>Ito, H</au><au>Ivanov, D</au><au>Kadota, K</au><au>Kakimoto, F</au><au>Kalashev, O</au><au>Kasahara, K</au><au>Kawai, H</au><au>Kawana, S</au><au>Kawata, K</au><au>Kim, H B</au><au>Kitamura, S</au><au>Kitamura, Y</au><au>Kuzmin, V</au><au>Kwon, Y J</au><au>Lan, J</au><au>Lim, S I</au><au>Machida, K</au><au>Martens, K</au><au>Matsuda, T</au><au>Matsuyama, T</au><au>Matthews, J N</au><au>Mukai, Y</au><au>Nakamura, T</au><au>Nonaka, T</au><au>Ogio, S</au><au>Ogura, J</au><au>Ohnishi, M</au><au>Ohoka, H</au><au>Okuda, T</au><au>Oshima, A</au><au>Ozawa, S</au><au>Park, I H</au><au>Rodriguez, D C</au><au>Ryu, D</au><au>Sagawa, H</au><au>Sakurai, N</au><au>Sampson, A L</au><au>Scott, L M</au><au>Shibata, F</au><au>Shibata, T</au><au>Shimodaira, H</au><au>Shin, H S</au><au>Smith, J D</au><au>Springer, R W</au><au>Stokes, B T</au><au>Stroman, T</au><au>Suzawa, T</au><au>Takamura, M</au><au>Taketa, A</au><au>Takita, M</au><au>Tameda, Y</au><au>Tanaka, H</au><au>Tanaka, M</au><au>Thomson, G B</au><au>Tinyakov, P</au><au>Tokuno, H</au><au>Tomida, T</au><au>Troitsky, S</au><au>Tsunesada, Y</au><au>Tsutsumi, K</au><au>Uchihori, Y</au><au>Udo, S</au><au>Urban, F</au><au>Vasiloff, G</au><au>Wong, T</au><au>Yamane, R</au><au>Yamaoka, H</au><au>Yang, J</au><au>Yashiro, K</au><au>Yoneda, Y</au><au>Yoshida, S</au><au>Yoshiia, H</au><au>Zollinger, R</au><au>Zundel, Z</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of Ultra-High Energy Cosmic Ray Composition Using Telescope Array's Middle Drum Detector and Surface Array in Hybrid Mode</atitle><jtitle>arXiv.org</jtitle><date>2014-11-05</date><risdate>2014</risdate><eissn>2331-8422</eissn><abstract>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 QGSJet-01c models. These models are also in agreement with previous HiRes stereo measurements, confirming the equivalence of the stereo and hybrid methods. The data is incompatible with a pure iron composition, for all models examined, over the available range of energies. The elongation rate and mean values of Xmax are in good agreement with Pierre Auger Observatory data. This analysis is presented using two methods: data cuts using simple geometrical variables and a new pattern recognition technique.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1408.1726</doi><oa>free_for_read</oa></addata></record> |
fulltext | fulltext |
identifier | EISSN: 2331-8422 |
ispartof | arXiv.org, 2014-11 |
issn | 2331-8422 |
language | eng |
recordid | cdi_arxiv_primary_1408_1726 |
source | arXiv.org; Free E- Journals |
subjects | Accuracy Arrays Augers Composition Cosmic rays Elongation Hybrid modes Observatories Pattern recognition Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Sensors |
title | Study of Ultra-High Energy Cosmic Ray Composition Using Telescope Array's Middle Drum Detector and Surface Array in Hybrid Mode |
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