Assoc. Prof. Dr. Petr Alexa
Personal data:
| Place of birth: | Prague, Czech Republic |
| E-mail: | petr.alexa@vsb.cz |
| Tel.: | +420 59 732 3100 |
Academic and scientific qualification
| 2010 – | Charles University Prague, Faculty of Mathematics and Physics, field: nuclear physics (assoc. prof.) |
|---|---|
| 1995 – | Charles University Prague, Faculty of Mathematics and Physics, field: nuclear physics (Ph.D. - in Czech: Dr.) |
| 1989 – | Charles University Prague, Faculty of Mathematics and Physics, field: nuclear physics (RNDr.) |
| 1988 – | Charles University Prague, Faculty of Mathematics and Physics, field: nuclear physics (M.Sc. - state exam ) |
Work experience:
| 2016 – now | Assoc. Prof., Department of Physics, VŠB-Technical University of Ostrava, Czech Republic |
| 2010 – 2016 | Assoc. Prof., Institute of Physics, Faculty of Mining and Geology, VŠB-Technical University of Ostrava, Czech Republic |
| 2008 – 2009 | Assist. Prof., Institute of Physics, Faculty of Mining and Geology, VŠB-Technical University of Ostrava, Czech Republic |
| 1995 – 2008 | Assist. Prof., Department of Physics and Measurements, University of Chemistry and Technology Prague, Czech Republic |
| 1995 – 2008 | Assist. Prof., Department of Physics and Measurements, University of Chemistry and Technology Prague, Czech Republic |
| 1993 – 1995 | TEMPUS and Volkswagen scholarship, Ludwig Maximilians University Munich, Germany (group of Prof. Jorrit de Boer) |
| 1989 – 1993 | Ph.D. study, Department of Nuclear Physics, Faculty of Mathematics and Physics, Charles University Prague, Czech Republic |
Short stays abroad (14 day – month):
| 1997 – | Prof. R. K. Sheline (Florida State University, USA) |
|---|---|
| 2000 – | Assoc. Prof. H. Mach (Studsvik Neutron Research Laboratory, Sweeden) |
| 2000 – | Prof. N. Lo Iudice (Naples University, Italy) |
Research activities:
Nuclear models of spherical and deformed nuclei (Generalized Intermediate Coupling Model, Quasiparticle-Phonon Model), nuclear reactions (one- and two- nucleon transfer), gamma spectrometry, applications of neutron generators, biological effects of ionizing radiation, magnetic nanoparticles
| Number of publications (WoS): | 62 |
| H-index (WoS): | 11 |
| Number of citations (without self-citations): | 274 |
| Number of citations (including self-citations): | 313 |
Research activities in the last 5 years in nuclear theory:
Application of the Quasiparticle-Phonon Model to octupole correlation studies:
G. Thiamová, P. Alexa, Z. Hons, G.S. Simpson, Examination of different strengths of octupole correlations in neutron-rich Pr and Pm isotopes, Phys. Rev. C 86, 044334 (2012).
Application of the Quasiparticle-Phonon Model to nuclear reactions:
A.I. Levon, G. Graw, R. Hertenberger, S. Pascu, P.G. Thirolf, H.-F. Wirth, P. Alexa, 0+ states and collective bands in 228Th studied by the (p,t) reaction, Phys. Rev. C 88, 014310 (2013).
A.I. Levon, P. Alexa, S. Pascu, V.A. Onischuk, P.G. Thirolf, To the nature of 0+ states studied in 228Th by two-neutron transfer, Nuclear Physics and Atomic Energy 15, 7 (2014).
Levon, A.I., Alexa, P., Graw, G., Hertenberger, R., Pascu, S., Thirolf, P.G., Wirth, H.F., Spectroscopy of U-232 in the (p, t) reaction: More information on 0(+) excitations. Physical Review C 92, 064319 (2015).
Ramdhane, M., Simpson, G.S., Drouet, F., Malkiewicz, T., Vancraeyenest, A., Gey, G., Alexa, P., Thiamova, G., Kessedjian, G., Sage, C., Grahn, T., Greenlees, P.T., Hauschild, K., Herzan, A., Jakobsson, U., Jones, P., Julin, R., Juutinen, S., Ketelhut, S., Lopez-Martens, A., Nieminen, P., Peura, P., Rahkila, P., Rinta-Antila, S., Ruotsalainen, P., Sandzelius, M., Saren, J., Scholey, C., Sorri, J., Uusitalo, J., Study of intermediate-spin states of 98Y. Acta Physica Polonica B, 47 (3), 911 (2016).
Alexa, P., Ramdhane, M., Thiamova, G., Simpson, G. S., Faust, H. R., Genevey, J., Koster, U., Materna, T., Orlandi, R., Pinston, J. A., Scherillo, A., Hons, Z., Quasiparticle phonon model description of low-energy states in 152Pr. Physical Review C, 97(3), 034327 (2018).
Knafla, L., Alexa, P., Koester, U., Thiamova, G., Regis, J-M., Jolie, J., Blanc, A., Bruce, A.M., Esmaylzadeh, A., Fraile, L.M., de France, G., Haefner, G., Ilieva, S., Jentschel, M., Karayonchev, V., Korten, W., Kroell, T., Lalkovski, S., Leoni, S., Mach, H., Marginean, N., Mutti, P., Pascovici, G., Paziy, V., Podolyak, Zs., Regan, P.H., Roberts, O.J., Saed-Samii, N., Simpson, G.S., Smith, J.F., Soldner, T., Townsley, C., Ur, C.A., Urban, W., Vancraeyenest, A., Warr, N., Lifetime measurements in the odd-A nucleus 177Hf. Physical Review C 102(5), 054322 (2020).
Application of the microscopic (Skyrme) and phenomenological models:
Thiamova, G., Grachev, Y., Abolghasem, M., Alexa, P., Reinhard, P-G., Rodriguez, T.R., Simpson, G.S., Macroscopic and microscopic description of low-energy collective states in 86Se, 88Se. Physical Review C 98(6), 064304 (2018).
Koseoglou, P., Werner, V., Pietralla, N., Ilieva, S., Niksic, T., Vretenar, D., Alexa, P., Thuerauf, M., Bernards, C., Blanc, A., Bruce, A.M., Cakirli, R.B., Cooper, N., Fraile, L.M., de France, G., Jentschel, M., Jolie, J., Koster, U., Korten, W., Kroell, T., Lalkovski, S., Mach, H., Marginean, N., Mutti, P., Patel, Z., Paziy, V., Podolyak, Zs., Regan, P. H., Regis, J-M., Roberts, O.J., Saed-Samii, N., Simpson, G.S., Soldner, T., Ur, C.A., Urban, W., Wilmsen, D., Wilson, E., Low-Z boundary of the N=88-90 shape phase transition: 148Ce near the critical point. Physical Review C 101(1), 014303 (2020).
Abolghasem, M., Cuxac, B., Thiamova, G., Alexa, P., Macroscopic and Skyrme-Hartree-Fock test of E(5) symmetry in xenon isotopes. Physica Scripta 95(3), 034010 (2020).
Research activities in the last 5 years in experimental and applied nuclear physics:
Neutron physics:
R. Uhlář, P. Alexa, J. Pištora, A system of materials composition and geometry arrangement for fast neutron beam thermalization: an MCNP study, Nucl. Instrum. Meth. B 298, 81 (2013).
R. Uhlář, M. Kadulová, P. Alexa, J. Pištora, A new reflector structure for facility thermalizing D-T neutrons, J. Radioanal. Nucl. Ch. 300, 809 (2014).
Uhlář, R., Alexa, P., MCNP approaches for dose rates modeling in laboratory for neutron activation analysis and gamma spectrometry at Ostrava. Radiation Protection Dosimetry 185(1), 1-8 (2019).
Uhlář, R., Alexa, P., Harkut, O., Haroková, P., Modified Texas Convention Method for Fast Neutron Flux Measurements. IEEE Transactions on Nuclear Science 67(1), 382-388 (2020).
Applied nuclear physics:
A. Synytsya, A. Synytsya, P. Alexa, R. Wagner, M. Davídková, K. Volka, Raman spectroscopic study on sodium hyaluronate: an effect of proton and gamma irradiation, J. Raman Spectrosc. 42, 544 (2011).
R. Uhlář, P. Količová, P. Alexa, Short-term variations in 7Be wet deposition in the eastern part of the Czech Republic, J. Radioanal. Nucl. Ch. 304, 89 (2015).
Jirásek, J., Matýsek, D., Alexa P., Osovský, M., Uhlář, R., Sivek, M., High Specific Activity of Radium Isotopes in Baryte from the Czech Part of the Upper Silesian Basin - An Example of Spontaneous Mine Water Treatment. Minerals 10(2), 103 (2020).
Uhlář, R., Haroková, P., Alexa, P., Kačmařík, M., 7Be atmospheric activity concentration and meteorological data: Statistical analysis and two-layer atmospheric model. Journal of Environmental Radioactivity 219, 106278 (2020).