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Ryu, Dongsu
Astrophysics Lab
Research Interests
  • Shock waves and turbulence in clusters of galaxies
  • Origin and evolution of magnetic fields and cosmic rays in the universe
  • Plasma astrophysical phenomena in the large-scale structure of the universe

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SEARCHES FOR LARGE-SCALE ANISOTROPY IN THE ARRIVAL DIRECTIONS OF COSMIC RAYS DETECTED ABOVE ENERGY OF 10(19) eV AT THE PIERRE AUGER OBSERVATORY AND THE TELESCOPE ARRAY

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Title
SEARCHES FOR LARGE-SCALE ANISOTROPY IN THE ARRIVAL DIRECTIONS OF COSMIC RAYS DETECTED ABOVE ENERGY OF 10(19) eV AT THE PIERRE AUGER OBSERVATORY AND THE TELESCOPE ARRAY
Author
Aab, A.Abreu, P.Aglietta, M.Ahn, E. J.Al Samarai, I.Albuquerque, I. F. M.Allekotte, I.Allen, J.Allison, P.Almela, A.Alvarez Castillo, J.Alvarez-Muniz, J.Batista, R. AlvesAmbrosio, M.Aminaei, A.Anchordoqui, L.Andringa, S.Aramo, C.Arqueros, F.Asorey, H.Assis, P.Aublin, J.Ave, M.Avenier, M.Avila, G.Badescu, A. M.Barber, K. B.Baeuml, J.Baus, C.Beatty, J. J.Becker, K. H.Bellido, J. A.Berat, C.Bertaina, M. E.Bertou, X.Biermann, P. L.Billoir, P.Blanco, M.Bleve, C.Bluemer, H.Bohacova, M.Boncioli, D.Bonifazi, C.Bonino, R.Borodai, N.Brack, J.Brancus, I.Brogueira, P.Brown, W. C.Buchholz, P.Bueno, A.Buitink, S.Buscemi, M.Caballero-Mora, S.Caccianiga, B.Caccianiga, L.Candusso, M.Caramete, L.Caruso, R.Castellina, A.Cataldi, G.Cazon, L.Cester, R.Chavez, A. G.Chiavassa, A.Chinellato, J. A.Chudoba, J.Cilmo, M.Clay, R. W.Cocciolo, G.Colalillo, R.Coleman, A.Collica, L.Coluccia, M. R.Conceicao, R.Contreras, F.Cooper, M. J.Cordier, A.Coutu, S.Covault, C. E.Cronin, J.Curutiu, A.Dallier, R.Daniel, B.Dasso, S.Daumiller, K.Dawson, B. R.de Almeida, R. M.De Domenico, M.de Jong, S. J.de Mello Neto, J. R. T.De Mitri, I.de Oliveira, J.de Souza, V.del Peral, L.Deligny, O.Dembinski, H.Dhital, N.Di Giulio, C.Di Matteo, A.Diaz, J. C.Diaz Castro, M. L.Diogo, F.Dobrigkeit, C.Docters, W.D'Olivo, J. C.Dorofeev, A.Hasankiadeh, Q. DorostiDova, M. T.Ebr, J.Engel, R.Erdmann, M.Erfani, M.Escobar, C. O.Espadanal, J.Etchegoyen, A.Luis, P. Facal SanFalcke, H.Fang, K.Farrar, G.Fauth, A. C.Fazzini, N.Ferguson, A. P.Fernandes, M.Fick, B.Figueira, J. M.Filevich, A.Filipcic, A.Fox, B. D.Fratu, O.Froehlich, U.Fuchs, B.Fuji, T.Gaior, R.Garcia, B.Garcia Roca, S. T.Garcia-Gamez, D.Garcia-Pinto, D.Garilli, G.Gascon Bravo, A.Gate, F.Gemmeke, H.Ghia, P. L.Giaccari, U.Giammarchi, M.Giller, M.Glaser, C.Glass, H.Gomez Berisso, M.Gomez Vitale, P. F.Goncalves, P.Gonzalez, J. G.Gonzalez, N.Gookin, B.Gorgi, A.Gorham, P.Gouffon, P.Grebe, S.Griffith, N.Grillo, A. F.Grubb, T. D.Guardincerri, Y.Guarino, F.Guedes, G. P.Hampel, M. R.Hansen, P.Harari, D.Harrison, T. A.Hartmann, S.Harton, J. L.Haungs, A.Hebbeker, T.Heck, D.Heimann, P.Herve, A. E.Hill, G. C.Hojvat, C.Hollon, N.Holt, E.Homola, P.Horandel, J. R.Horvath, P.Hrabovsky, M.Huber, D.Huege, T.Insolia, A.Isar, P. G.Islo, K.Jandt, I.Jansen, S.Jarne, C.Josebachuili, M.Kaeaepae, A.Kambeitz, O.Kampert, K. H.Kasper, P.Katkov, I.Kegl, B.Keilhauer, B.Keivani, A.Kemp, E.Kieckhafer, R. M.Klages, H. O.Kleifges, M.Kleinfeller, J.Krause, R.Krohm, N.Kroemer, O.Kruppke-Hansen, D.Kuempel, D.Kunka, N.La Rosa, G.LaHurd, D.Latronico, L.Lauer, R.Lauscher, M.Lautridou, P.Le Coz, S.Leao, M. S. A. B.Lebrun, D.Lebrun, P.Leigui De Oliveira, M. A.Letessier-Selvon, A.Lhenry-Yvon, I.Link, K.Lopez, R.Lopez Agueera, A.Louedec, K.Lozano Bahilo, J.Lu, L.Lucero, A.Ludwig, M.Maccarone, M. C.Malacari, M.Maldera, S.Mallamaci, M.Maller, J.Mandat, D.Mantsch, P.Mariazzi, A. G.Marin, V.Maris, I. C.Marsella, G.Martello, D.Martin, L.Martinez, H.Martinez Bravo, O.Martraire, D.Masias Meza, J. J.Mathes, H. J.Mathys, S.Matthews, J. A. J.Matthews, J.Matthiae, G.Maurel, D.Maurizio, D.Mayotte, E.Mazur, P. O.Medina, C.Medina-Tanco, G.Melissas, M.Melo, D.Menichetti, E.Menshikov, A.Messina, S.Meyhandan, R.Micanovic, S.Micheletti, M. I.Middendorf, L.Minaya, I. A.Miramonti, L.Mitrica, B.Molina-Bueno, L.Mollerach, S.Monasor, M.Ragaigne, D. MonnierMontanet, F.Morello, C.Mostafa, M.Moura, C. A.Muller, M. A.Mueller, G.Muenchmeyer, M.Mussa, R.Navarra, G.Navas, S.Necesal, P.Nellen, L.Nelles, A.Neuser, J.Niechciol, M.Niemietz, L.Niggemann, T.Nitz, D.Nosek, D.Novotny, V.Nozka, L.Ochilo, L.Olinto, A.Oliveira, M.Pacheco, N.Pakk Selmi-Dei, D.Palatka, M.Pallotta, J.Palmieri, N.Papenbreer, P.Parente, G.Parra, A.Paul, T.Pech, M.Ekala, J. P.Pelayo, R.Pepe, I. M.Perrone, L.Pesce, R.Petermann, E.Peters, C.Petrera, S.Petrolini, A.Petrov, Y.Phuntsok, J.Piegaia, R.Pierog, T.Pieroni, P.Pimenta, M.Pirronello, V.Platino, M.Plum, M.Porcelli, A.Porowski, C.Prado, R. R.Privitera, P.Prouza, M.Purrello, V.Quel, E. J.Querchfeld, S.Quinn, S.Rautenberg, J.Ravel, O.Ravignani, D.Revenu, B.Ridky, J.Riggi, S.Risse, M.Ristori, P.Rizi, V.Roberts, J.Rodrigues de Carvalho, W.Rodriguez Cabo, I.Rodriguez Fernandez, G.Rodriguez Rojo, J.Rodriguez-Frias, M. D.Ros, G.Rosado, J.Rossler, T.Roth, M.Roulet, E.Rovero, A. C.Saffi, S. J.Saftoiu, A.Salamida, F.Salazar, H.Saleh, A.Greus, F. SalesaSalina, G.Sanchez, F.Sanchez-Lucas, P.Santo, C. E.Santos, E.Santos, E. M.Sarazin, F.Sarkar, B.Sarmento, R.Sato, R.Scharf, N.Scherini, V.Schieler, H.Schiffer, P.Scholten, O.Schoorlemmer, H.Schovanek, P.Schulz, A.Schulz, J.Schumacher, J.Sciutto, S. J.Segreto, A.Settimo, M.Shadkam, A.Shellard, R. C.Sidelnik, I.Sigl, G.Sima, O.Smiallkowski, A.Smida, R.Snow, G. R.Sommers, P.Sorokin, J.Squartini, R.Srivastava, Y. N.Stanic, S.Stapleton, J.Stasielak, J.Stephan, M.Stutz, A.Suarez, F.Suomijaervi, T.Supanitsky, A. D.Sutherland, M. S.Swain, J.Szadkowski, Z.Szuba, M.Taborda, O. A.Tapia, A.Tartare, M.Theodoro, V. M.Timmermans, C.Todero Peixoto, C. J.Toma, G.Tomankova, L.Tome, B.Tonachini, A.Torralba Elipe, G.Torres Machado, D.Travnicek, P.Trovato, E.Tueros, M.Ulrich, R.Unger, M.Urban, M.Valdes Galicia, J. F.Valino, I.Valore, L.van Aar, G.van den Berg, A. M.van Velzen, S.van Vliet, A.Varela, E.Vargas Cardenas, B.Varner, G.Vazquez, J. R.Vazquez, R. A.Veberic, D.Verzi, V.Vicha, J.Videla, M.Villasenor, L.Vlcek, B.Vorobiov, S.Wahlberg, H.Wainberg, O.Walz, D.Watson, A. A.Weber, M.Weidenhaupt, K.Weindl, A.Werner, F.Widom, A.Wiencke, L.Wilczynska, B.Wilczynski, H.Will, M.Williams, C.Winchen, T.Wittkowski, D.Wundheiler, B.Wykes, S.Yamamoto, T.Yapici, T.Younk, P.Yuan, G.Yushkov, A.Zamorano, B.Zas, E.Zavrtanik, D.Zavrtanik, M.Zaw, I.Zepeda, A.Zhou, J.Zhu, Y.Silva, M. ZimbresZiolkowski, M.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.Cheon, B. G.Chiba, J.Chikawa, M.Cho, W. R.Fujii, T.Fukushima, M.Goto, T.Hanlon, W.Hayashi, Y.Hayashida, N.Hibino, K.Honda, K.Ikeda, D.Inoue, N.Ishii, T.Ishimori, R.Ito, H.Ivanov, D.Jui, C. C. H.Kadota, K.Kakimoto, F.Kalashev, O.Kasahara, K.Kawai, H.Kawakami, S.Kawana, S.Kawata, K.Kido, E.Kim, H. B.Kim, J. H.Kim, J. H.Kitamura, S.Kitamura, Y.Kuzmin, V.Kwon, Y. J.Lan, J.Lim, S. I.Lundquist, J. P.Machida, K.Martens, K.Matsuda, T.Matsuyama, T.Matthews, J. N.Minamino, M.Mukai, K.Myers, I.Nagasawa, K.Nagataki, S.Nakamura, T.Nonaka, T.Nozato, A.Ogio, S.Ogura, J.Ohnishi, M.Ohoka, H.Oki, K.Okuda, T.Ono, M.Oshima, A.Ozawa, S.Park, I. H.Pshirkov, M. S.Rodriguez, D. C.Rubtsov, G.Ryu, DongsuSagawa, H.Sakurai, N.Sampson, A. L.Scott, L. M.Shah, P. D.Shibata, F.Shibata, T.Shimodaira, H.Shin, B. K.Smith, J. D.Sokolsky, P.Springer, R. W.Stokes, B. T.Stratton, S. R.Stroman, T. A.Suzawa, T.Takamura, M.Takeda, M.Takeishi, R.Taketa, A.Takita, M.Tameda, Y.Tanaka, H.Tanaka, K.Tanaka, M.Thomas, S. B.Thomson, G. B.Tinyakov, P.Tkachev, I.Tokuno, H.Tomida, T.Troitsky, S.Tsunesada, Y.Tsutsumi, K.Uchihori, Y.Udo, S.Urban, F.Vasiloff, G.Wong, T.Yamane, R.Yamaoka, H.Yamazaki, K.Yang, J.Yashiro, K.Yoneda, Y.Yoshida, S.Yoshii, H.Zollinger, R.Zundel, Z.
Issue Date
2014-10
Publisher
IOP PUBLISHING LTD
Citation
ASTROPHYSICAL JOURNAL, v.794, no.2, pp.1 - 15
Abstract
Spherical harmonic moments are well-suited for capturing anisotropy at any scale in the flux of cosmic rays. An unambiguous measurement of the full set of spherical harmonic coefficients requires full-sky coverage. This can be achieved by combining data from observatories located in both the northern and southern hemispheres. To this end, a joint analysis using data recorded at the Telescope Array and the Pierre Auger Observatory above 10(19) eV is presented in this work. The resulting multipolar expansion of the flux of cosmic rays allows us to perform a series of anisotropy searches, and in particular to report on the angular power spectrum of cosmic rays above 10(19) eV. No significant deviation from isotropic expectations is found throughout the analyses performed. Upper limits on the amplitudes of the dipole and quadrupole moments are derived as a function of the direction in the sky, varying between 7% and 13% for the dipole and between 7% and 10% for a symmetric quadrupole.
URI
https://scholarworks.unist.ac.kr/handle/201301/8821
DOI
10.1088/0004-637X/794/2/172
ISSN
0004-637X
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PHY_Journal Papers
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