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1.
Studies in the atmospheric monitoring at the Pierre Auger Observatory using the upgraded Central Laser Facility
Marko Zavrtanik, Danilo Zavrtanik, Lili Yang, Serguei Vorobiov, Darko Veberič, Marta Trini, Samo Stanič, Ahmed Saleh, Gašper Kukec Mezek, Andrej Filipčič, Carlos Medina-Hernandez, 2015, published scientific conference contribution

Abstract: The Fluorescence Detector (FD) at the Pierre Auger Observatory measures the intensity of the scattered light from laser tracks generated by the Central Laser Facility (CLF) and the eXtreme Laser Facility (XLF) to monitor and estimate the vertical aerosol optical depth (τ(z,t)). This measurement is needed to obtain unbiased and reliable FD measurements of the arrival direction and energy of the primary cosmic ray, and the depth of the maximum shower development. The CLF was upgraded substantially in 2013 with the addition of a solid state laser, new generation GPS, a robotic beam calibration system, better thermal and dust isolation, and improved software. The upgrade also included a back-scatter Raman LIDAR to measure τ(z,t). The new features and applications of the upgraded instrument are described. These include the laser energy calibration and the atmospheric monitoring measurements. The first τ(z,t) results and comparisons after the upgrade are presented using different methods. The first method compares the FD hourly response to the scattered light from the CLF (or XLF) against a reference hourly profile measured during a clear night where zero aerosol contents are assumed. The second method simulates FD responses with different atmospheric parameters and selects the parameters that provide the best fit to the actual FD response. A third method uses the new Raman LIDAR receiver in-situ to measure the back-scatter light from the CLF laser. The results show a good data agreement for the first and second methods using FD stations located at the same distance from the facilities. Preliminary results of τ(z,t) using the Raman LIDAR are presented as well.
Found in: ključnih besedah
Summary of found: ...to monitor and estimate the vertical aerosol optical depth (τ(z,t)). This measurement is needed to obtain...
Keywords: Pierre Auger Observatory, extensive air showers, the Fluorescence Detector, atmospheric monitoring, vertical aerosol optical depth, the Central Laser Facility, the eXtreme Laser Facility
Published: 03.03.2016; Views: 3094; Downloads: 141
.pdf Fulltext (3,96 MB)

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Structure-property relationships of curved aromatic materials from first principles
Layla Martin-Samos, Laura Zoppi, Kim K. Baldridge, 2014, original scientific article

Found in: ključnih besedah
Summary of found: ...organic molecules, organic crystals, many-body perturbation theory, optical properties, ...
Keywords: organic molecules, organic crystals, many-body perturbation theory, optical properties
Published: 16.06.2016; Views: 2549; Downloads: 102
URL Fulltext (0,00 KB)

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Performance of the Mechanical Structure of the SST-2M GCT proposed for the Cherenkov Telescope Array
Marko Zavrtanik, Danilo Zavrtanik, Gabrijela Zaharijas, Lili Yang, Serguei Vorobiov, Samo Stanič, Gašper Kukec Mezek, Andrej Filipčič, Jean-Laurent Dournaux, 2015, published scientific conference contribution

Found in: ključnih besedah
Summary of found: ...telescope (SST) design for CTA, dual-mirror (2M) Schwarzschild-Couder optical design, Gamma Cherenkov Telescope (GCT): SST-2M telescope design, mechanical...
Keywords: Cherenkov Telescope Array, small-size telescope (SST) design for CTA, dual-mirror (2M) Schwarzschild-Couder optical design, Gamma Cherenkov Telescope (GCT): SST-2M telescope design, mechanical structure
Published: 21.11.2016; Views: 2880; Downloads: 189
.pdf Fulltext (422,88 KB)

6.
INFN Camera demonstrator for the Cherenkov Telescope Array
Marko Zavrtanik, Danilo Zavrtanik, Gabrijela Zaharijas, Lili Yang, Serguei Vorobiov, Samo Stanič, Gašper Kukec Mezek, Andrej Filipčič, G. Ambrosi, 2015, published scientific conference contribution

Found in: ključnih besedah
Summary of found: ... (CTA), small-size telescope design for CTA, dual-mirror Schwarzschild-Couder optical design, silicon photomultiplier (SiPM) based camera...
Keywords: Cherenkov Telescope Array (CTA), small-size telescope design for CTA, dual-mirror Schwarzschild-Couder optical design, silicon photomultiplier (SiPM) based camera
Published: 04.01.2017; Views: 3006; Downloads: 189
.pdf Fulltext (1,61 MB)

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