Conveners
The influence of the atmosphere on the measurements of present and future UHECR and Gamma-Ray experiments
- Markus Gaug (IAC)
The influence of the atmosphere on the measurements of present and future UHECR and Gamma-Ray experiments
- Bruce Dawson (University of Adelaide)
The influence of the atmosphere on the measurements of present and future UHECR and Gamma-Ray experiments
- Laura Valore (NA)
Dr
Martin Will
(Max-Planck-Institut für Physik)
24/09/2018, 09:30
The MAGIC telescopes in La Palma, Canary Islands, measure Cherenkov light emitted by gamma-ray induced air showers in the atmosphere. For the correct and safe operations of the telescopes, but most importantly for the subsequent data analysis, the knowledge of the atmospheric parameters is important. Corrections to the measured data can be applied after analyzing the atmospheric monitoring...
Mr
George Vasileiadis
(LUPM)
24/09/2018, 10:00
The H.E.S.S. experiment in Namibia, Africa, is a high energy gamma ray telescope sensitive in the energy range from 100 Gev to a few tens of TeV, that uses the atmospheric Cherenkov technique to detect showers developed within the atmosphere. To minimize the systematic errors on the derived fluxes and energy dependencies of the measured sources, using a Lidar one can calculate the impact of...
Dr
Sasa Micanovic
(University of Rijeka, Department of Physics, Croatia)
24/09/2018, 10:30
The Northern hemisphere site of the Cherenkov Telescope Array (CTA-N) will be placed at the Observatorio del Roque de Los Muchachos (La Palma, Canary Islands, Spain) at the altitude of 2200m above the sea level. In order to obtain a global understanding of the performance of the telescopes under different atmospheric conditions above the observatory, a preliminary study has been performed....
Dr
Simon Mackovjak
(Department of Space Physics, Institute of Experimental Physics, Slovak Academy of Sciences)
24/09/2018, 11:30
The JEM-EUSO (Joint Experiment Missions for Extreme Universe Space Observatory) program has the ambition to observe Extensive Air Showers (EAS) induced by Ultra High Energy Cosmic Rays (UHECR) from the Space. For this purpose, the study of the night Earth's atmosphere with respect to the EAS detection is obligatory. A such study needs to address the estimation of the future main instrument...
Ms
PRAGATI MITRA
(Vrije Universiteit Brussel)
24/09/2018, 12:00
The LOFAR radio telescope measures the radio emission from extensive air showers with unprecedented precision. Estimating the depth of shower
maximum Xmax with higher precision is of great interest for the study of primary particle composition. One of the major systematic uncertainties in reconstructing X_max is due to limited knowledge of the refractive index of air and its dependence on...
Dr
Pere Munar-Adrover
(INAF-IAPS)
24/09/2018, 12:30
Cherenkov Telescope Array (CTA) will bring a whole new insight to the gamma-ray Universe. In order to fulfill its performance requirements we need to understand and correct the atmospheric effects that influence the acquired instrument data. For this reason we have studied atmospheric molecular profiles above both CTA sites, La Palma and Cerro Armazones, using publicly available historical...
Prof.
Tareq AbuZayyad
(University of Utah)
24/09/2018, 14:30
Located in the western desert of the state of Utah, the Telescope Array (TA) experiment measures the properties of ultra high energy cosmic ray (UHECR) induced extensive air showers. TA employs a hybrid detector comprised of a large surface array of scintillator detectors overlooked by three fluorescence telescopes stations. The TA Low Energy extension (TALE) detector has operated as a...
Prof.
Bruce Dawson
(University of Adelaide)
24/09/2018, 15:00
The Pierre Auger Observatory's Fluorescence Detector (FD) consists of 27 optical telescopes arranged in four sites around the perimeter of the 3000 square kilometre Surface Detector (SD). Cosmic ray extensive air showers are viewed via the nitrogen fluorescence light they induce in the atmosphere. Careful treatment of light attenuation processes must be made, especially given that some...
