نتایج جستجو برای: extensive air shower
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KASCADE-Grande, located at Forschungszentrum Karlsruhe, is a multi-detector experiment for the measurement of extensive air showers induced by primary cosmic rays in the energy range of 10 14 − 10 18 eV. With its 0.5 km large field detector, in combination with the muon detectors of the KASCADE array, it allows the reconstruction of both the total electron and muon numbers, which are important ...
Recent detection of blazar 3C279 by MAGIC has confirmed previous indications by H.E.S.S. that the Universe is more transparent to very-high-energy gamma rays than currently thought. This circumstance can be reconciled with observations of nearby blazars provided that photon oscillations into a very light Axion-Like Particle occur in extragalactic magnetic fields. The emerging “DARMA scenario” c...
The Milagro Gamma-Ray Observatory, located at an altitude of 2630m in the mountains of northern New Mexico, is a water-Cherenkov extensive air shower detector consisting of a 4800m covered pond instrumented with 723 PMTs. For improved sensitivity, 175 instrumented water tanks have recently been added surrounding the pond, covering an area of 40, 000m. Milagro continuously observes the entire ov...
In the framework of LOPES (LOFAR PrototypE Station), a Self-Triggered Array of Radio detectors (STAR) is developed. The challenge of LOPES is to provide an independent self-trigger on radio emission of extensive air showers with primary energies above 5 · 10 eV. Measurements are done with an external trigger and self-trigger in radio loud and quiet areas. Based on these data the self-trigger is...
0883-2927/$ see front matter 2008 Elsevier Ltd doi:10.1016/j.apgeochem.2008.05.021 * Corresponding author. Tel.: +1 919 681 6577; fa E-mail address: [email protected] (D.S. Vinson). Estimation of Rn transfer from water to indoor air based on multi-day measurements may underestimate alpha exposure that occurs at short time scales in confined spaces, such as from showering, in houses with high Rn act...
Ground-based cosmic ray experiments detect mainly by measuring the longitudinal and lateral distribution of secondary particles produced in extensive air shower (EAS). The EAS knee energy region is simulated via CORSIKA software. Several simulation samples with different energy, composition zenith angles were carried out to understand development electron, muon Cherenkov light EAS. All results ...
The Pierre Auger Observatory is the largest extensive air shower detector. Based on a hybrid system, this experiment measures longitudinal development and particles at ground. This detection system allows extraction of p-air cross-section energies much higher than ones accessible by current colliders. It also possible to test hadronic interaction models using correlations between different obse...
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