<> "The repository administrator has not yet configured an RDF license."^^ . <> . . "GRASP - Development of an event reconstruction method using a\r\nGamma Ray Air Shower Parameterisation and application to \r\ngamma-ray sources with H.E.S.S."^^ . "The H.E.S.S. experiment, with its high sensitivity and large field-of-view, is an ideal instrument to survey the Milky Way in VHE gamma-rays. An accurate reconstruction of\r\nthe gamma-ray direction as well as a strong reduction of the hadronic background is essential for the analysis of the data. In this work a reconstruction algorithm is developed that applies a fit of pixel amplitudes to an expected image obtained from a Gamma Ray Air Shower Parameterisation (GRASP). This parameterisation was obtained using Monte Carlo air shower simulations by parameterising the angular Cherenkov photon\r\ndistribution with suitable analytical functions. Furthermore, it provides new classifying\r\nvariables to differentiate gamma-ray induced air showers from hadronic ones. The reconstruction of air shower parameters is achieved by a maximum likelihood fit and improves the angular resolution by 20-30% with respect to traditional image moment analysis methods. In combination with a MVA-based background rejection method using these\r\nnew classifying variables the sensitivity can be improved by about 70%. An analysis of the Pulsar Wind Nebula MSH 15-5-2 and investigation of its morphology and spectral\r\nproperties show an indication of energy dependent morphology in VHE gamma-rays."^^ . "2014" . . . . . . . "Andreas"^^ . "Hillert"^^ . "Andreas Hillert"^^ . . . . . . "GRASP - Development of an event reconstruction method using a\r\nGamma Ray Air Shower Parameterisation and application to \r\ngamma-ray sources with H.E.S.S. (PDF)"^^ . . . "PhD-Thesis-AndreasHillert-Final.pdf"^^ . . . "GRASP - Development of an event reconstruction method using a\r\nGamma Ray Air Shower Parameterisation and application to \r\ngamma-ray sources with H.E.S.S. (Other)"^^ . . . . . . "indexcodes.txt"^^ . . . "GRASP - Development of an event reconstruction method using a\r\nGamma Ray Air Shower Parameterisation and application to \r\ngamma-ray sources with H.E.S.S. (Other)"^^ . . . . . . "lightbox.jpg"^^ . . . "GRASP - Development of an event reconstruction method using a\r\nGamma Ray Air Shower Parameterisation and application to \r\ngamma-ray sources with H.E.S.S. (Other)"^^ . . . . . . "preview.jpg"^^ . . . "GRASP - Development of an event reconstruction method using a\r\nGamma Ray Air Shower Parameterisation and application to \r\ngamma-ray sources with H.E.S.S. (Other)"^^ . . . . . . "medium.jpg"^^ . . . "GRASP - Development of an event reconstruction method using a\r\nGamma Ray Air Shower Parameterisation and application to \r\ngamma-ray sources with H.E.S.S. (Other)"^^ . . . . . . "small.jpg"^^ . . "HTML Summary of #17199 \n\nGRASP - Development of an event reconstruction method using a \nGamma Ray Air Shower Parameterisation and application to \ngamma-ray sources with H.E.S.S.\n\n" . "text/html" . . . "520 Astronomie"@de . "520 Astronomy and allied sciences"@en . . . "530 Physik"@de . "530 Physics"@en . .