Προσομοίωση ανιχνευτή MicroMegas για την ανίχνευση σωματιδίων α με το Garfield++

Δαβής, Μάριος; Davis, Marios

dc.contributor.author	Δαβής, Μάριος	el
dc.contributor.author	Davis, Marios	en
dc.date.accessioned	2022-06-07T08:44:45Z
dc.date.available	2022-06-07T08:44:45Z
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/55243
dc.identifier.uri	http://dx.doi.org/10.26240/heal.ntua.22941
dc.description	Εθνικό Μετσόβιο Πολυτεχνείο--Μεταπτυχιακή Εργασία. Διεπιστημονικό-Διατμηματικό Πρόγραμμα Μεταπτυχιακών Σπουδών (Δ.Π.Μ.Σ.) “Φυσική και Τεχνολογικές Εφαρμογές”	el
dc.rights	Default License
dc.subject	Προσομοίωση	el
dc.subject	Κώδικας	el
dc.subject	Πυρηνική φυσική	el
dc.subject	Ανιχνευτές	el
dc.subject	Απεικονίσεις	el
dc.subject	Simulation	en
dc.subject	Code	en
dc.subject	Nuclear physics	en
dc.subject	Detectors	en
dc.subject	Displays	en
dc.title	Προσομοίωση ανιχνευτή MicroMegas για την ανίχνευση σωματιδίων α με το Garfield++	el
heal.type	masterThesis
heal.classification	Φυσική	el
heal.access	free
heal.recordProvider	ntua	el
heal.publicationDate	2021-12-14
heal.abstract	The main purpose of this work has been the implementation of Garfield++, an object-oriented toolkit for the detailed simulation of particle detectors based on ionization measurements in gases or semiconductors, currently widely used in high-energy physics, for studies tuned according to the needs of nuclear physics applications. The choice of this particular code is based on the following advantageous characteristics: (a) The algorithm performs Monte-Carlo calculations and combines the microscopic approach for the tracking of the produced electrons inside the detector, with the macroscopic and the semiclassical ones for ion tracking and for the calculation of the electron transport parameters respectively (b) The code offers a variety of options concerning the accurate description of the detector geometry, materials and signal calculation (c) Moreover, since the toolkit is linked to ROOT, there exists an active supporting community, which constantly updates Garfield++ and helps with any kind of occurring issues. In the present work, the simulated detector is a gaseous detector, of the MicroMegas technology, regularly being used for neutron-induced fission studies at NCSR “Demokritos”. The initial code tests involved the linear response of the detector with respect to the energy deposition of 5 MeV α-particles. This study was carried out in two distinct steps: First by collecting simulated data for the deposited charge in the anode electrode for different particle trajectories, as well as, for the same trajectory, but for different gas pressures, ranging between 0.8 and 1.2 atm and then by comparing them with the corresponding results obtained by SRIM2008 regarding the α-particle energy losses inside the detector, using the same set of parameters. Finally, a simulated spectrum of 5 MeV α-particles, having trajectories randomly distributed within the whole detector volume, has been obtained using Garfield++ and has been compared to an experimental one. The similarities and discrepancies observed are discussed and analyzed.	en
heal.advisorName	Μιχάλης, Κόκκορης	el
heal.committeeMemberName	Μιχάλης, Κόκκορης	el
heal.committeeMemberName	Μαίρη, Διακάκη	el
heal.committeeMemberName	Ρόζα, Βλαστού	el
heal.academicPublisher	Εθνικό Μετσόβιο Πολυτεχνείο. Σχολή Εφαρμοσμένων Μαθηματικών και Φυσικών Επιστημών	el
heal.academicPublisherID	ntua
heal.fullTextAvailability	false