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TUNKA-133: A new array for the study of ultra-high energy cosmic rays |
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| Authors: | B V Antokhonov S F Berezhnev D Besson N M Budnev R Wischnevski O A Gress A N Diachok A V Zablotsky A V Zagorodnikov N N Kalmykov N I Karpov V A Kozhin E E Korosteleva A V Korobchenko L A Kuzmichev A Chiavassa B K Lubsandorzhiev R R Mirgazov M I Panasyuk L V Pankov V V Prosin V S Ptuskin Yu A Semeney A A Silaev A A Silaev Jr A V Skurikhin M Stokham O A Chvalaiev B A Shaibonov Jr J Snyder Ch Spiering I V Yashin |
| Institution: | 1. Skobel’tsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991, Russia 7. Department of Physics and Astronomy, University of Kansas, Lawrence, KS, 66045, USA 2. Institute of Applied Physics, Irkutsk State University, Irkutsk, 664003, Russia 5. DESY-Zeuthen, 15738, Zeuthen, Germany 6. Dipartimento di Fisica Generale Universita’ di Torino and INFN, 10125, Torino, Italy 3. Institute for Nuclear Research, Russian Academy of Sciences, Moscow, 117312, Russia 4. IZMIRAN, Troitsk, Moscow oblast, 142190, Russia |
| Abstract: | A new array for studying ultra-high energy cosmic rays was inaugurated in 2009 in the Tunka Valley, about 50 km from Lake Baikal. Having an area of 1 km2, the new facility allows us to study cosmic rays with energies of 1015–1018 eV via the a unified method for registering Cherenkov radiation from extensive air showers (EASes) and is making a substantial contribution to understanding the origin of ultra-high energy cosmic rays. We describe the current state of the experiment, the new methodological approach, our initial results, and the plans for further development of the array. |
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