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Mixed radiation fields

The group includes Ivan Kovar, Richard Wagner, Iva Ambrozova, Ondrej Ploc, Jan Kubancak, Katerina Pachnerova Brabcova, Dagmar Peksova (Kyselova formerly) and Martin Kakona. We are looking for answers particularly on the following topics:
  • research and monitoring of cosmic radiation on International Space Station and high altitude observatories
  • monitoring of cosmic radiation on board aircraft and management of online database including the results of the measurements with Lulin detector
  • neutron monitoring on Lomnicky stit, Slovakia, and management of online database in cooperation with Department of Space Physics, Institute of Experimental Physics SAS
  • monitoring of aircraft crew exposure
  • spectrometry of linear energy transfer in radiotherapeutic beams and the surroundings
  • development of new dosimetric methods and detectors


Measurement of stray neutron doses inside the treatment room from a proton pencil beam scanning system,
N. Mojżeszek, J. Farah, M. Kłodowska, O. Ploc, L. Stolarczyk, M.P.R. Waligórski, P. Olko, Physica Meidca 34 (2017) 80-84.
Performance tests and comparison of microdosimetric measurements with four tissue-equivalent proportional counters in scanning proton therapy,
J. F
arah, M. De Saint-Hubert, N. Mojżeszek, S. Chiriotti, M. Gryzinski, O. Ploc, F. Trompier, K. Turek, F. Vanhavere, P- Olko, Radiation Measurement 96 (2017) 42-52.

Cosmic radiation monitoring at low-Earth orbit by means of thermoluminescence and plastic nuclear track detectors,
I. Ambrozova, K. Pachnerova Brabcova, J. Kubancak, J. Slegl, R.V. Tolochek, O.A. Ivanova, V.A. Shurshakov, Radiation Measurement (2017) http://doi.org/10.1016/j.radmeas.2016.12.004

Fading of CaSO4 thermoluminescent detectors after exposure to charger particles,
K. Pachnerova Brabcova, V. Stepan, J. Kubancak, M. Davidkova, I. Ambrozova,  Radiation Measurement (2017), http://doi.org/10.1016/j.radmeas.2017.02.002.

CONCORD: comparison of cosmic radiation detectors in the radiation field at aviation altitudes,
M.M. Meier, F. Trompier, I. Ambrozova, J. Kubancak, D. Matthiä, O. Ploc, N. Santen, M- Wirtz, Journal of Space Weather and Space Climate 6 (2016) A24.

Recent applications of nuclear track emulsion,
K.Z. Mamatkulov, I. Ambrožová, D.A. Artemenkov, V. Brandova, D.V. Kamanin, R.R. Kattabekov, L. Majling, A. Marey, O. Ploc, V.V. Rusakova, R. Stanoeva, K. Turek, A.A. Zaitsev, P.I. Zarubin, I.G. Zarubina, EPJ Web of Conferences 117 (2016) 10010.

Optimization of the Timepix chip to measurement of radon, thoron and their progenies,
M. Janik, O. Ploc, M. Fiederle, S. Procz, N. Kavasi, Applied Radiation and Isotopes 107 (2016) 220-224.

Computer analysis of nuclear track emulsion exposed to thermal neutrons and Cf source,
K.Z. Mamatkulov, I. Ambrožová, D.A. Aetemenkov, V. Brandova, D.V. Kamanin, R.R. Kattabekov, L. Majling, A. Marey, O. Ploc, V.V. Rusakova, Journal of Physics: Conference Series 675 (2016) IOP Publishing.

Investigation on contribution of neutron monitor data to estimation of aviation doses,
M. Kákona, O. Ploc, D. Kyselová, J. Kubančák, R. Langer, K. Kudela, Life Sciences in Space Research 11 (2016), 24-28.

DOSIS & DOSIS 3D: long-term dose monitoring onboard the Columbus Laboratory of the International Space Station (ISS),
T. Berger et al., Journal of Space Weather and Space Climate 6 (2016) A39.

Calibration of modified Liulin detector for cosmic radiation measurements on-board aicraft,
D. Kyselová, I. Ambrožová, P. Krist, J. Kubančák, Y. Uchihori, H. Kitamura, . Ploc, Radiation Protection Dosimetry 164 (2015) 489-492.

Comparison of cosmic rays radiation detectors on-board commercial jet aircraft,
J. Kubančák, I. Ambrožová, K. Pachnerová Brabcová, J. Jakůbek, D. Kyselová, O. Ploc, J. Bemš, V. Štěpán, Y. Uchihori, Radiation Protection Dosimetry 164 (2015) 484-488.

Microdosimetry for a carbon ion beam using track-etched detectors,
I. Ambrozova, V. Vondracek, M. Sefl, V. Stepan, K. Pachnerova Brabcova, O. Ploc, S. Incerti, M. Davidkova, Radiation Protection Dosimetry 166 (2015) 247-252.

Overview of the Liulin type instruments for space radiation measurement and their scientific results,
T.P. Dachev, J.V. Semkova, B.T. Tomov, Yu N. Matviichuk, P.G. Dimitrov, R.T. Koleva, St. Malchev, N.G. Bankov, V.A. Shurshakov, V.V. Benghin, E.N. Yamanova, O.A. Ivanova, D.-P. Häder, M. Lebert, M.T. Schuster, G. Reitz, G. Horneck, Y. Uchihori, H. Kitamura, O. Ploc, J. Kubancak, I. Nikolaev, Life Scienes in Space Research 4 (2015) 92-114.

Measurement of stray radiation within an active scanning proton therapy facility: EURADOS WG9 intercomparison exercise of active dosimetry systems,
J. Farah, L. Stolarczyk, C. Algranati, C. Domingo, V. Dufek, F. Felin, E. Frojdh, S. George, R. Harrison, M. Klodowska, J. Kubancak, Z. Knezevic, M. Liszka, M. Majer, V. Mares, S. Miljanic, O. Ploc, M. Romero-Exposito, W. Ruhm, K. Schinner, M. Schwarz, S. Trinkl, F. Trompier, M. Wielunski, P. Olko, Medical Physics 41(6) (2014) 497.

Single track coincidence measurements of fluorescent and plastic nuclear track detectors in therapeutic carbon beams,
J.M. Osigna, I. Ambrozova, K. Pachnerova Brabcova, M.S. Akselrod, O. Jäkel, M. Davidkova, S. Greilich, JINST 9 (2014), p04013.

Dose distribution outside the target volume in 170 MeV proton beam,
K. Pachnerova Brabcova, I. Ambrozova, j. Kubancak, M. Puchalska, V. Vondracek, A.G. Molokanov, L. Sihver, M. Davidkova, Radiation Protection Dosimetry 161 (2014),1-4.

Dosimetry measurements using Timepix in mixed radiation fields induced by heavy ions; comparison with standard dosimetry methods,
O. Ploc, J. Kubancak, L. Sihver, Y. Uchihori, J. Jakubek, I. Ambrozova, A. Molokanov, L. Pinsky, J. Radiat. Res. 55 (2014) 141-142.

Verification of shielding effect by the water-filled equipments for space radiation in the International Space Station using passive dosimeters,
S. Kodaira, R.V. Tolochek, I. Ambrozova, H. Kawashima, N. Yasuda, M. Kurano, H. Kitamura, Y. Uchihori, I. Kobayashi, A. Suzuki, I.S. Kartsev, E.N. Yarmanova, I.V. Nikolaev, and V. A. Shurshakov, Adv. Space Res. 53 (2014) 1-7.

Publicly available database of measurements with the silicon spectrometer Liulin on board aircraft,
O. Ploc, I. Ambrožová, J. Kubančák, I. Kovář, T.P. Dachev, Rad. Meas. 58 (2013) 107-112.

PHITS simulations of the protective curtain experiment onboard the service module of ISS: comparison with absorbed doses measured with TLDs,
O. Ploc, L. Sihver, D. Kartashov, V. Shurshakov, R. Tolochek, Adv. Space Res. 52 (2013) 1911-1918.

Uncertainties in linear energy transfer spectra measured with track-etched detectors in space,
K. Pachnerová Brabcová, I. Ambrožová, Z. Kolíšková, A. Malušek, Nucl. Instr. and Meth. in Phys. Res. A 713 (2013) 5-10.

Measurement of dose equivalent distribution on-board commercial jet aircraft,
J. Kubančák, I. Ambrožová, O. Ploc, K. Pachnerová Brabcová, V. Štěpán, Y. Uchihori, Radiation Protection Dosimetry 162 (2014) 215-219.

Preparing for the first Medipix detectors in space,
L.S. Pinsky, A. Empl, S. Hoang, N. Stoffle, C. Amberboy, J. Hauss, J. Jakoubek, Z. Vykydal, D. Tureček, S. Pospíšil, K. Lee, E. Semones, N. Zapp, H. Kitamura, O. Ploc, Y. Uchihori, N. Yasuda, R. Parker, D. Cooke, IEEE conference proceedings (2012) ISBN 978-1-4577-0556-5 ISSN 1095-323X, p. 174-179.

Simulations of absorbed dose on the phantom surface of MATROSHKA-R experiment at the ISS,
Z. Kolísková, L. Sihver, I. Ambrožová, F. Spurný, T. Sato, V. A. Shurshakov. Adv. Space Res. 49 (2012) 230-236. 

Spectra of the linear energy transfer and other dosimetry characteristics as measured in C 290 MeV/n MONO and SOBP ion beams at HIMAC-BIO (NIRS, Japan) with different detectors,
F. Spurný, K. Pachnerová Brabcová, O. Ploc, I. Ambrožová, Z. Mrázová, Rad. Prot. Dos. 143(2-4) (2011) 519-522.

Use of energy deposition spectrometer Liulin for individual monitoring of aircrew,
O. Ploc, K. Pachnerová Brabcová, F. Spurný, A. Malušek, T. Dachev, Rad. Prot. Dos. 144(1-4) (2011) 611-614.

Spectrometry of linear energy transfer with track etched detectors in carbon ion beams, MONO and SOBP,
K. Pachnerová Brabcová, I. Ambrožová, F. Spurný, Rad. Prot. Dos. 143(2-4) (2011) 440-444.

Routine individual monitoring of aircraft crew exposure; Czech experience and results 1998-2008,
A. Malušek, O. Ploc, I. Kovář, K. Brabcová, F. Spurný, Rad. Prot. Dos. 144(1-4) (2011) 519-522.

Liulin-type spectrometry - dosimetry instruments,
T. Dachev, P.I. Dimitrov, B. Tomov, Yu. Matviichuk, F. Spurný, O. Ploc, K. Brabcová, I. Jadrníčková, Rad. Prot. Dos. 144(1-4) (2011) 675-679.

Monitoring onboard spacecraft by means of passive detectors,
I. Ambrožová, F. Spurný, K. Brabcová, V.A. Shurshakov, I.S. Kartsev, R.V. Tolochek, Rad. Prot. Dos 144(1-4) (2011) 605-610.

Fragmentation of Ne ions with energy 400 MeV/u behind targets from different materials measured with PNTD,
Z. Mrázová, I. Jadrníčková, K. Brabcová, F. Spurný, Rad. Meas. 45(10) (2010) 1438-1440.

Dose characteristics and LET spectra on and inside the spherical phantom onboard of ISS,
I. Jadrníčková, K. Brabcová, Z. Mrázová, F. Spurný, V.A. Shurshakov, I.S. Kartsev, R.V. Tolochek, Rad. Meas. 45(10) (2010) 1536-1540.

Dosimetry in heavy ion beams using various detectors,
K. Brabcová, I. Jadrníčková, A.G. Molokanov, F. Spurný, Rad. Meas. 45 (2010) 1384-1386.

Track etch based LET spectrometry in beams of neutrons with energies from 0.2 to 20 MeV,
K. Brabcová, F. Spurný, I. Jadrníčková, Rad. Meas. 44(9-10) (2009) 969-971.

Spectrometry of linear energy transfer and dosimetry measurements on board space- and aircrafts,
F. Spurný, O. Ploc, I. Jadrníčková, Phys. Part. Nuclei Letters 6(1) (2009) 70-77.

Specrtrometry of linear energy transfer and its use in high-energy particle beams,
I. Jadrníčková, F. Spurný, A.G. Molokanov, Phys. Part. Nuclei Letters 5(6) (2008) 531-537.
Jan with Medipix
 Jan during experiment onboard aircraft.
Liulins onboard aircraft
 Liulin detectors placed onboard aircraft in snack boxes.
Iva with Liulin
 Iva takes care about detectors before irradiation.
Surface of track etch detector
 The tracks of carbon beams of different energies on the surface of track etch detectors.
High altitude observatory
 High altitude observatory Lomnicky stit.