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  Reconstruction and Analysis of Highest Energy γ-Rays and its Application to Pulsar Wind Nebulae

Joshi, V. (2019). Reconstruction and Analysis of Highest Energy γ-Rays and its Application to Pulsar Wind Nebulae. PhD Thesis, Ruprecht-Karls-Universität, Heidelberg.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0002-F3DE-2 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0005-6356-B
Genre: Hochschulschrift

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 Urheber:
Joshi, Vikas1, Autor           
Hinton, Jim, Gutachter
Wagner, Stefan, Gutachter
Affiliations:
1Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society, ou_2074298              

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Schlagwörter: -
 MPINP: HAWC - Abteilung Hinton
 Zusammenfassung: The High Altitude Water Cherenkov (HAWC) γ-ray observatory detects cosmic- and γ-rays in
the TeV energy range. HAWC was recently upgraded with a sparse detector array (the outrigger
array), which increases the instrumented area by a factor of 4-5 and will improve the sensitivity
at energies greater than 10 TeV. This thesis consists of a number of contributions towards the
improvement of the performance of HAWC at the highest energies and the study of a prominent
high energy source, 2HWC J2019+367. To decide on components of the outrigger array, simulation
input is provided. A new Monte Carlo template-based reconstruction method for air shower
arrays is developed. It reconstructs the core location and energy of γ-ray showers. The goodness
of fit of the method is utilised to separate the cosmic- and γ-ray showers. This method significantly
improves the HAWC shower reconstruction and combines the reconstruction of HAWC
and the outrigger array. In-depth spectral and morphological studies of 2HWC J2019+367 are
performed. 2HWC J2019+367 shows a hint of energy-dependent morphology. A new HAWC
source is discovered in the vicinity associated with VER J2016+371. The preferred direction of
the X-ray and TeV emission indicates their association, and their combined spectral modelling
show that 2HWC J2019+367 is likely to be the TeV pulsar wind nebula of PSR J2021+3651.

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 Datum: 2019-02-06
 Publikationsstatus: Angenommen
 Seiten: XI, 175 S. : Ill., graph. Darst.
 Ort, Verlag, Ausgabe: Heidelberg : Ruprecht-Karls-Universität
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.17617/2.3026163
 Art des Abschluß: Doktorarbeit

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