首页 | 本学科首页   官方微博 | 高级检索  
     检索      


Study of dispersion of mass distribution of ultra-high energy cosmic rays using a surface array of muon and electromagnetic detectors
Institution:1. Gran Sasso Science Institute, viale Francesco Crispi, 7 L’Aquila 67100 (AQ), Italy;2. Institute for Space Sciences (CSIC/IEEC), Barcelona E-08193, Spain;3. Dublin Institute of Advanced Studies, 10 Burlington Road, Dublin 4, Ireland;4. Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, Heidelberg D-69117, Germany;1. KTH Royal Institute of Technology, Department of Physics, 106 91 Stockholm, Sweden;2. The Oskar Klein Centre for Cosmoparticle Physics, AlbaNova University Centre, 106 91 Stockholm, Sweden;3. Hiroshima University, Department of Physical Science, Hiroshima 739-8526, Japan;4. Max-Planck-Institut für Physik, D-80805 München, Germany;1. Institute for Nuclear Research, 60th October Anniversary pr. 7A, Moscow 117312, Russia;2. Joint Institute for Nuclear Research, Dubna 141980, Russia;3. Irkutsk State University, Irkutsk 664003, Russia;4. Skobeltsyn Institute of Nuclear Physics MSU, Moscow 119991, Russia;5. Nizhni Novgorod State Technical University, Nizhni Novgorod 603950, Russia;6. St. Petersburg State Marine University, St. Petersburg 190008, Russia;7. EvoLogics GmbH, Berlin, Germany
Abstract:We consider a hypothetical observatory of ultra-high energy cosmic rays consisting of two surface detector arrays that measure independently electromagnetic and muon signals induced by air showers. Using the constant intensity cut method, sets of events ordered according to each of both signal sizes are compared giving the number of matched events. Based on its dependence on the zenith angle, a parameter sensitive to the dispersion of the distribution of the logarithmic mass of cosmic rays is introduced. The results obtained using two post-LHC models of hadronic interactions are very similar and indicate a weak dependence on details of these interactions.
Keywords:Ultra-high energy cosmic rays  Extensive air showers  Surface detectors  CIC method  Mass composition
本文献已被 ScienceDirect 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号