2015 - 2017 European Space Agency – ESTEC, Noordwijk
Research Fellow at the Space Environment and Effects Section
• studies of interplanetary particle fluxes and of their impact on spacecraft instruments (mainly for the Athena X-ray telescope)
• data analysis; Monte Carlo simulations; radiation dose and single event upset rates evaluations
2011 - 2014 Technical University of Munich
Researcher at the Chair for Experimental Physics and Astroparticle Physics (Physikdepartment E15)
• experimental and analytical studies of radiation interactions in germanium detectors; science data analysis for GERDA (Germanium Detector Array experiment, a multinational science collaboration; http://www.mpi-hd.mpg.de/gerda)
• irradiation campaign at a tandem particle accelerator
2009 - 2010 Max Planck Institute for Nuclear Physics, Heidelberg
Researcher in the Division of Particle and Astroparticle Physics
• development of techniques for radiation background suppression; signal read-out chain electronics testing for the GERDA experiment
• coordination and supervision of a detector testing campaign
2002 - 2003 PT Engineering s.r.o., Bratislava
Designer Assistant (Computer Aided Design)
2005 - 2009 Heidelberg University (Germany) – Dr. Rer. Nat.
PhD studies with the International Max Planck Research School for Astronomy and Cosmic Physics at the Max Planck Institute for Nuclear Physics
• thesis on signal shape analysis for background reduction in GERDA, germanium detector spectrometry and Monte Carlo simulations
2000 - 2005 Comenius University in Bratislava – Mgr.
Studying physics and management at the Faculty of Mathematics, Physics and Informatics and partly at the Faculty of Management
• master thesis on experimental particle physics with gamma-ray detectors
• graduate exam in applied nuclear physics, thermodynamics, statistical physics, econophysics, quantitative methods in management
• bachelor thesis on experiments with semiconductor elements
• bachelor exam in physics, computing, management, economy and finance
1996 - 2000 Secondary Technical School of Mechanical Engineering, Bratislava
• graduation in technical subjects, economics, mathematics, English language
Environments: Windows • Linux
Programming: MatLab • C++ ROOT • Python
Software: Geant4 • FASTRAD • SEPEM • SPENVIS • AutoCAD • FreeCAD • MS Office • LaTex
• familiarity with space environments and effects as well as with the relevant standards
• expertise in radiation interaction with matter, radiation detection, space radiation environments and effects
• experience with cryogenic and vacuum systems, digital and analogue electronics, radiation sources, radiation protection
• extensive experience with presenting and teamwork in international environments
• driving license
IEEE 2008 Nuclear Science Symposium Poster Award, first place (10/2008, Dresden)
Stipendium of the Max-Planck Gesellschaft (09/2005 - 09/2008, Heidelberg)
Laureate of the Student Scientific Conference (04/2005, Bratislava)
“Soft proton fluxes in and around Earth’s magnetotail”, D. Budjáš, P. Nieminen, P. Jiggens, G. Santin and E. Daly, IEEE Trans. Plas. Sci. 45 (2017) p. 1965
“LArGe - Active background suppression using argon scintillation for the GERDA 0νββ-experiment”, M. Agostini, M. Barnabé-Heider, D. Budjáš, C. Cattadori, A. Gangapshev, K. Gusev, M. Heisel, M. Junker,
A. Klimenko, A. Lubashevskiy, K. Pelczar, S. Schönert, A. Smolnikov, G. Zuzel, Eur. Phys. J. C 75 (2015) 506, arXiv:1501.05762
“Production, characterization and operation of 76Ge enriched BEGe detectors in GERDA”, GERDA Collaboration, M. Agostini et al., Eur. Phys. J. C 75 (2015) 39, arXiv:1410.0853
“The background in the 0νββ experiment GERDA”, GERDA Collaboration, M. Agostini et al., Eur. Phys. J. C 74 (2014) 2764, arXiv:1306.5084
“Pulse shape discrimination for GERDA Phase I data”, GERDA Collaboration, M. Agostini et al., Eur. Phys. J. C 73 (2013) 2583, arXiv:1307.2610
“Results on Neutrinoless Double-β Decay of 76Ge from Phase I of the GERDA Experiment”, GERDA Collaboration, M. Agostini et al., Phys. Rev. Lett 111 (2013) 122503
“Isotopically modified Ge detectors for GERDA: from production to operation”, D. Budjáš, M. Agostini, L. Baudis, E. Bellotti, L. Bezrukov, R. Brugnera, C. Cattadori, A. di Vacri, R. Falkenstein, A. Garfagnini, S. Georgi, P. Grabmayr, A. Hegai, S. Hemmer, M. Hult, J. Janicsko Csathy, V. Kornoukhov, B. Lehnert, A. Lubashevskiy, S. Nisi, G. Pivato, S. Schönert, M. Tarka and K. von Sturm, JINST 8 (2013) P104018, arXiv:1303.6768
“The GERDA experiment for the search of 0νββ decay in 76Ge”, GERDA Collaboration, K.-H. Ackermann et al., Eur. Phys. J. C 73 (2013) 2330, arXiv:1212.4067
“Signal modeling of high-purity Ge detectors with a small read-out electrode and application to neutrinoless double beta decay search in Ge-76”, M. Agostini, C. A. Ur, D. Budjáš, E. Bellotti, R. Brugnera, C. M. Cattadori, A. di Vacri, A. Garfagnini, L. Pandola and S. Schönert, JINST 6 (2011) P03005, arXiv:1012.4300
“Operation and performance of a bare broad-energy germanium detector in liquid argon”, M. Barnabé Heider, D. Budjáš, K. Gusev and S. Schönert, 2010 JINST 5 P10007
“Pulse shape discrimination studies with a Broad-Energy Germanium detector for signal identification and background suppression in the GERDA double beta decay experiment”, D. Budjáš, M. Barnabé Heider, O. Chkvorets, N. Khanbekov, S. Schönert, JINST 4 (2009) P10007, arXiv:0909.4044
“Gamma-ray spectrometry of ultra low levels of radioactivity within the material screening program for the GERDA experiment”, D. Budjáš, A.M. Gangapshev, J. Gasparro, W. Hampel, M. Heisel, G. Heusser, M. Hult, A.A. Klimenko, V.V. Kuzminov, M. Laubenstein, W. Maneschg, H. Simgen, A.A. Smolnikov, C. Tomei, S.I. Vasiliev, Appl. Radiat. Isot.67 (2009) 755-758
“Optimisation of the MC-model of a p-type Ge-spectrometer for the purpose of efficiency determination”, D. Budjáš, M. Heisel, W. Maneschg and H. Simgen, Appl. Radiat. Isot.67 (2009) 706-710
Hobbies and interests
Travelling • hiking • skiing • bicycling • indoor climbing • volleyball • squash • motorcycling • cart-racing • reading about space exploration, science, history • reading and watching science fiction • playing computer games
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