The Tunka-133 EAS Cherenkov light array: status of 2011
Abstract
A new EAS Cherenkov light array, Tunka-133, with ~1 km^2 geometrical area has been installed at the Tunka Valley (50 km from Lake Baikal) in 2009. The array permits a detailed study of cosmic ray energy spectrum and mass composition in the energy range 10^16 - 10^18 eV with a uniform method. We describe the array construction, DAQ and methods of the array calibration.The method of energy reconstruction and absolute calibration of measurements are discussed. The analysis of spatial and time structure of EAS Cherenkov light allows to estimate the depth of the EAS maximum X_max. The results on the all particles energy spectrum and the mean depth of the EAS maximum X_max vs. primary energy derived from the data of two winter seasons (2009 -- 2011), are presented. Preliminary results of joint operation of the Cherenkov array with antennas for detection of EAS radio signals are shown. Plans for future upgrades -- deployment of remote clusters, radioantennas and a scintillator detector network and a prototype of the HiSCORE gamma-telescope -- are discussed.
Cite
@article{arxiv.1201.2122,
title = {The Tunka-133 EAS Cherenkov light array: status of 2011},
author = {S. F. Berezhnev and D. Besson and A. V. Korobchenko and N. M. Budnev and A. Chiavassa and O. A. Chvalaev and O. A. Gress and A. N. Dyachok and S. N. Epimakhov and A. Haungs and N. I. Karpov and N. N. Kalmykov and E. N. Konstantinov and A. V. Korobchenko and E. E. Korosteleva and V. A. Kozhin and L. A. Kuzmichev and B. K. Lubsandorzhiev and N. B. Lubsandorzhiev and R. R. Mirgazov and M. I. Panasyuk and L. V. Pankov and E. G. Popova and V. V. Prosin and V. S. Ptuskin and Yu. A. Semeney and B. A. Shaibonov and A. A. Silaev and A. A. Silaev and A. V. Skurikhin and J. Snyder and C. Spiering and F. G. Schreoder and M. Stockham and L. G. Sveshnikova and R. Wischnewski and I. V. Yashin and A. V. Zagorodnikov},
journal= {arXiv preprint arXiv:1201.2122},
year = {2015}
}
Comments
8 pages, Proceedings of the RICAP 2011 Conference, submitted to NIM A