Extensive Air Showers with unusual structure

Extensive Air Showers with unusual structure

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A total of 23500 Extensive Air Showers (EAS) with energies above ∼ 1016 eV have been detected during the ∼3500 hours of the Horizon-T (HT) detectors system operations before Aug. 2016. Among these EAS, more than a thousand had an unusual spatial and temporary structure that showed pulses with severa...

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Bibliographic Details
Main Authors: Beznosko Dmitriy, Beisembaev Rashid, Baigarin Kanat, Beisembaeva Elena, Dalkarov Oleg, Ryabov Vladimir, Sadykov Turlan, Shaulov Sergei, Stepanov Aleksei, Vildanova Marina, Vildanov Nikolay, Zhukov Valeriy
Format: Article
Language:English
Published: EDP Sciences 2017-01-01
Series:EPJ Web of Conferences
Online Access:https://doi.org/10.1051/epjconf/201714514001
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Summary:A total of 23500 Extensive Air Showers (EAS) with energies above ∼ 1016 eV have been detected during the ∼3500 hours of the Horizon-T (HT) detectors system operations before Aug. 2016. Among these EAS, more than a thousand had an unusual spatial and temporary structure that showed pulses with several maxima (modals or modes) from several detection points of the HT at the same time. These modes are separated in time from each other starting from tens to thousands of ns. These EAS have been called multi-modal. Analysis shows that the multi-modal EAS that have been detected by Horizon-T have the following properties: 1. Multi-modal EAS have energy above ∼1017 eV. 2. Pulses with several modes are located at large distances from the EAS axis. An overview of the collected data will be provided. General comments about the unusual structure of the multi-modal EAS will be presented.
ISSN:2100-014X

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