Dariusz Banaś

Dariusz Banaś
Jan Kochanowski University | UJK · Institute of Physics

Dr hab.

About

206
Publications
13,775
Reads
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2,142
Citations
Additional affiliations
September 2020 - present
Jan Kochanowski University
Position
  • Head of Faculty
July 2016 - present
Jan Kochanowski University
Position
  • Professor (Associate)
March 2009 - present
Holycross Cancer Center
Position
  • Head of Department

Publications

Publications (206)
Preprint
Full-text available
We study the electron-loss-to-continuum (ELC) cusp experimentally and theoretically by comparing the ionization of U$^{89+}$ projectiles in collisions with N$_2$ and Xe targets, at a beam energy of 75.91 MeV/u. The coincidence measurement between the singly ionized projectile and the energy of the emitted electron is used to compare the shape of th...
Article
We study the electron-loss-to-continuum (ELC) cusp experimentally and theoretically by comparing the ionization of U89+ projectiles in collisions with N2 and Xe targets, at a beam energy of 75.91 MeV/u. The coincidence measurement between the singly ionized projectile and the energy of the emitted electron is used to compare the shape of the ELC cu...
Article
The main advantage of wavelength-dispersive spectrometers applied in X-ray study is their high energy resolution. The design and construction of spectrometer, usually dedicated to the specific experimental systems, for example synchrotron based setups, need information about the characteristics of the main elements of the spectrometer such as X-ray...
Article
Full-text available
In this paper, we present an experimental and theoretical study of excitation processes for the heaviest stable helium-like ion, that is, He-like uranium occurring in relativistic collisions with hydrogen and argon targets. In particular, we concentrate on angular distributions of the characteristic Kα radiation following the K → L excitation of He...
Article
Full-text available
Total reflection X-ray fluorescence analysis (TXRF) was used to determine chromium, selenium and bromine concentrations in blood serum samples of 50 patients with parenteral nutrition treatment. The concentrations were measured two times, namely in the first day (I measurement) of the treatment and the seventh day (II measurement) after the chromiu...
Article
Full-text available
Analysis of surface properties of halloysite-carbon nanocomposites and non-modified halloysite was carried out with surface sensitive X-ray photoelectron spectroscopy (XPS) and inverse gas chromatography (IGC). The XPS spectra were measured in a wide range of the electron binding energy (survey spectra) and in the region of C 1s photoelectron peak...
Article
Herein, it is demonstrated how the resonant X-ray emission spectroscopy can be employed to study the charge transfer dynamics in real-time during temperature-induced oxidation of metallic tungsten. Application of high energy resolution schemes allowed to distinguish charge transfer to separate orbitals resulting from crystal field splitting. Based...
Article
Full-text available
For U89+ projectiles colliding at a beam energy of 75.91 MeV/u with a N2 target, we present a coincidence measurement between the cusp electrons emitted under an angle of 0∘ with respect to the projectile beam and the photons emitted under a polar angle of 90∘. This radiative-electron-capture-to-continuum cusp directly probes the theory of electron...
Article
The cover image is based on the Special Issue Article High‐resolution Wavelength‐dispersive Spectroscopy of K‐shell Transitions in Hydrogen‐like Gold by Alexandre Gumberidze et al., https://doi.org/10.1002/xrs.3098.
Article
Full-text available
Synopsis Two-Electron One-Photon (TEOP) X-ray transitions were observed for the first time in collisions of highly charged Xe ions with metallic Be surface. The intensities of TEOP X-rays are well described by performed MCDF for one-electron one-photon (OEOP) dipole-allowed transition of Paschen and Brackett series assuming constant TEOP/OEOP branc...
Article
Full-text available
Synopsis In this work we have systematically studied process of energy deposition and formation of nanostructures on metallic (Au nanolayer) surfaces as a result of the irradiation with slow highly charged xenon ions (HCI). Well pronounced modifications of the surfaces in form of craters were observed. We found that, in the systems considered, the...
Article
Full-text available
Synopsis A concept of a high resolution asymmetric von Hamos X-ray spectrometer for the CRYRING@ESR electron cooler is described and its characteristics obtained by ray-tracing Monte-Carlo simulations are presented. The spectrometer will be used to study the QED effects in H-like medium-Z ions by measuring the energies of X-rays from radiative reco...
Article
Although PIXE is usually performed with protons, PIXE with heavier ions can be useful in some specific cases. A number of Ion Beam Analysis (IBA) techniques, like ERDA (Elastic Recoil Detection Analysis), NRA (Nuclear Reaction Analysis), AMS (Accelerator Mass Spectrometry), or MeV-SIMS (MeV Secondary Ion Mass Spectrometry), require the use of heavi...
Article
We present a measurement of K‐shell transitions in H‐like gold (Au78+) using specially developed transmission type crystal spectrometers combined with Ge(i) microstrip detectors. The experiment has been carried out at the Experimental Storage Ring at GSI in Darmstadt. This is a first high‐resolution wavelength‐dispersive measurement of a K‐shell tr...
Article
The design and performance of a high-resolution transmission-type X-ray spectrometer for use in the 15–26 keV energy range at synchrotron light sources is reported. Monte Carlo X-ray-tracing simulations were performed to optimize the performance of the transmission-type spectrometer, based on the DuMond geometry, for use at the Super X-ray absorpti...
Poster
Considering the importance of ion beam interactions with mater for applied physics in several fields namely in elemental analysis by Particle Induced X-ray Emission (PIXE), during the recent decades many experimental studies on the M-shell X-ray production cross sections have been performed for understanding excitation and ionization of M-shell ele...
Article
Full-text available
We have studied the K-shell excitation of He-like uranium (U90+) in relativistic collisions with hydrogen and argon atoms. Performing measurements with different targets, as well as with different collision energies, enabled us to explore the proton- (nucleus-) impact excitation as well as the electron-impact excitation process for the heaviest He-...
Article
In this work X-ray and elastic backscattered spectra from Pt and Bi thin targets were simultaneously measured using C4,3+ ions in the energy range 2.5 MeV to 5 MeV. Mαβ, Mγ and total M-shell X-ray production cross sections were extracted from collected X-ray and backscattered particle spectra using calibrated SDD X-ray and silicon solid state parti...
Article
The influence of activation temperature on the structure of halloysite mineral (HM) from the “Dunino” strip mine (Poland), activated with 25 wt% sulfuric(VI) acid, was investigated using a surface sensitive X-ray photoelectron spectroscopy (XPS) method. XPS measurements were performed for commercially available halloysite nanoclay (HNT), raw halloy...
Article
Full-text available
This paper presents the studies on the influence of the target material impurities on physical observables measured in heavy-ion collisions collected by fixed target experiments. It mainly concerns the measurements of multiplicity fluctuations, which can be used in searches for the critical point of strongly interacting matter, e.g. in the NA61/SHI...
Article
The relative biological effectiveness (RBE) values were determined for single- and mixed-ion beams containing carbon and oxygen ions. The CHO-K1 cells were irradiated with beams with the linear energy transfer (LET) values of 236–300 and 461–470 keV/μm for ¹²C and ¹⁶O ions, respectively. The RBE was estimated as a function of dose, survival fractio...
Article
The ED-XRF (energy-dispersive X-ray fluorescence) compact system was used to analyze selected Polish historical coins. The compact X-ray tube developed in the National Centre for Nuclear Research (NCBJ) was used as an X-ray source in the system designed for the ED-XRF studies. The XRF spectra were recorded with the Amptek SDD spectrometer. The elem...
Article
X-ray diffraction (XRD), grazing incidence X-ray diffraction (GIXRD) and X-ray reflectometry (XRR) techniques were applied for analysis of titanium (Ti) and titanium (IV) oxide (TiO2) nanolayers with thickness of 25 nm, 50 nm and 75 nm deposited on silicon, quartz and BK7 glass substrates. The aim of studies was investigating the crystal structure...
Article
Full-text available
The aim of this study was to analyze the correlation between past bacterial infections and the type and chemical composition of urinary stones experienced by human patients. Bacteria have been recognized to contribute to urinary stones; however, the role of uropathogens in the development of specific stones has not been extensively investigated. Th...
Preprint
This paper presents the studies on the influence of the target material impurities on physical observables registered in heavy ion collisions collected by fixed target experiments. It mainly concerns the measures of multiplicity fluctuations which can be used to searches for critical point of strongly interacting matter, e.g. in the {NA61/SHINE} fi...
Article
We report on the radiative decay of double K-shell vacancy states produced in solid Ca, V, Fe, and Cu targets by impact with about 10 MeV/amu C and Ne ions. The resulting K hypersatellite x-ray emission spectra were measured by means of high-energy-resolution spectroscopy using a von Hamos bent crystal spectrometer. The experiment was carried out a...
Article
Full-text available
Accurate spectroscopy of highly charged high-Z ions in a storage ring is demonstrated to be feasible by the use of specially adapted crystal optics. The method has been applied for the measurement of the 1s Lamb shift in hydrogen-like gold (Au 78+) in the ESR storage ring through spectroscopy of the Lyman x rays. This measurement represents the fir...
Poster
The Mαβ , Mγ and M shell X-ray production cross sections for the elements Pt and Bi have been measured by C4,3+ ions in the energy range 2.5 MeV to 5 MeV. X-ray and elastic backscattered spectra from thin Pt and Bi targets were simultaneously measured and X-ray production cross sections were extracted from collected spectra.
Article
The main goal of this research is to define reference values of elemental concentration in human urine. The second topic is to develop a fast analytical method for multielemental analysis of human urine by means of a low-power benchtop total reflection X-ray fluorescence system. For this purpose a set of certified human urine and real samples was e...
Article
Carbon and oxygen ions were accelerated simultaneously to estimate the effect of irradiation of living cells with the two different ions. This mixed ion beam was used to irradiate the CHO-K1 cells, and a survival test was performed. The type of the effect of the mixed ion beam on the cells was determined with the isobologram method, whereby surviva...
Article
The aim of this research is to develop a fast analytical method for multielemental analysis of the tobacco plant Virginia tobacco (cultivated in Poland) and tobacco products (cigarettes, cigars, cigarillos, snuff and two kinds of properly crafted tobacco such as a shisha and cigarette tobacco) distributed in Polish markets by means of a low-power b...
Article
Total reflection X-ray photoelectron spectroscopy (TRXPS) is applied in the analysis of Ti and TiO2 nanolayers deposited on silicon and silicon dioxide substrates. The idea of application of total-reflection phenomenon for exciting X-ray used in the XPS technique is briefly discussed. The experimental setup and measurement conditions for the studie...
Article
The measured M-X-ray production cross sections for protons, which are used in the particle induced X-ray emission (PIXE) technique, are systematically underestimated for low impact energies by the ECPSSR and ECUSAR theories. These theories, which are based on the plane wave Born approximation (PWBA) and use the screened hydrogenic wave functions, i...
Article
The TiO2- and Fe2O3-halloysite nanocomposites were prepared using acid treated halloysite from Poland. The TiO2-halloysite nanocomposite was synthesized using titanium isopropoxide as a precursor under hydrothermal treatment at 65°C. The Fe2O3-halloysite nanocomposite was obtained using the sol-gel method. Gelatinous ferric hydroxide was applied as...
Article
Full-text available
The studies of M-shell ionization, or M-X-ray emission, by slow light ions indicate rather strong, up to a factor of 3-5, underestimation of the measured cross sections by the available theoretical calculations describing direct Coulomb ionization by charged particle impact. Guided by our earlier systematic measurements of M-shell ionization cross...
Article
Full-text available
Emission of M-X-rays in interaction of slow highly charged Xeq+ ions, delivered by electron beam ion source (EBIS), with metallic surfaces was studied. Measured M-X-ray spectra for different charge states give access to interpret both the dynamics of neutralization of highly charged ions at surfaces and relaxation processes of hollow atoms formed i...
Article
Full-text available
Total reflection X-ray fluorescence analysis and X-ray powder diffraction were used for elemental and chemical composition analysis of 83 samples of human kidney stones. Samples came from patients after surgical removal of stones. Elements such as P, K, Ca, Fe, Zn, Ni, Br, Sr, and Pb were determined in all samples. Other elements Mg, S, Cl, Ti, V,...
Article
Full-text available
Monochloroanilines and dichloroanilines are important reagents or chemical intermediates in the production of dyes, pharmaceuticals, and agricultural chemicals. These toxic compounds have a large tendency to accumulate in the environment and a low natural biodegradability, so improved methods to remove or sequester them are needed. Halloysite is us...
Article
Nanostructures created by irradiation of gold and titanium nanolayers with slow highly charged xenon ions are studied in this work. The gold and titanium nanolayers were prepared by sputtering deposition of the metals on polished quartz SiO2(1 0 0) or crystalline silicon Si(1 0 0) substrates. The irradiations were performed at room temperature usin...
Article
The measurements of the M- and N-shell ionization probabilities in gold bombarded by highly charged Sq+ (q = 4–14) ions of energy 0.4–3.8 MeV/amu are reported. The ionization probabilities were extracted from the measured L-X-ray spectra which were substantially modified by the multiple ionization effects. The observed L-X-ray line shifts and broad...
Article
Full-text available
In this work we report on the measurements of X-rays emitted in interaction of ~100 keV Xe³⁵⁺ ions with metallic Be foil. Measured X-ray spectrum was interpreted as a series of satellite and hypersatellite nf-3d transitions with n≥4. The observed X-ray transitions from very high Rydberg states indicate the formation of so-called "hollow atoms" in t...
Article
Hydrogenation is the most widely used method to reduce organic compounds. There is a demand for the development of active heterogeneous catalysts based on 3d transition metals for economical and environmental reasons. Herein, we report the first continuous-flow hydrogenation of p-nitrophenol to p-aminophenol with molecular hydrogen and heterogeneou...
Article
Total reflection X-ray fluorescence (TXRF) analysis was applied in determination of low concentration of lead in samples of human biological materials. The determination of lead in human serum and hair samples is presented as an example. In serum samples, lead concentration was in the range from 0.013 to 0.051 μg/g (median 0.024 μg/g). The referenc...
Article
Deficiency or excess of elements could disrupt proper functioning of the human body and could lead to several disorders. Determination of their concentrations in different biological human fluids and tissues should become a routine practice in medical treatment. Therefore the knowledge about appropriate element concentrations in human organism is r...
Article
Full-text available
High energy resolution Kβ1,3 x-ray emission spectra of Ar induced in collisions with 0.75-3.0 MeV protons were measured using a complete in-vacuum curved-crystal x-ray emission spectrometer in Johansson geometry. The Kβ1,3M1,2 satellite lines were clearly resolved in the measured spectra and their intensity relative to the parent Kβ1,3b diagram lin...
Article
X-ray reflectometry and spectroscopic ellipsometry methods were applied for determination of physical properties of gold nonolayers. The nanolayers were prepared by sputtering of gold on different substrates: borosilicate glass, polished crystalline quartz and crystalline silicon. With X-ray reflectometry technique roughness of the substrates and d...
Article
Full-text available
The x-rays emitted in the process of radiative recombination (RR) of quasi-free electrons into $2{{\rm{p}}}_{3/2}$ 2 p 3 / 2 > excited state of hydrogenlike uranium ion were studied experimentally. Both the RR x-ray and the subsequently emitted $\mathrm{Ly}{\alpha }_{1}$ Ly &agr; 1 > x-ray were detected in time-coincidences. The angular distributio...
Article
Full-text available
In this contribution, we present an experimental and theoretical study of the proton- and electron- impact excitation effects in helium-like uranium ions in relativistic collisions with different gaseous targets. The experiment was carried out at the experimental storage ring at GSI Darmstadt. Our experimental results are in agreement with predicti...
Article
Full-text available
We report the first observation of correlated x rays emitted by a heavy highly charged ion such as hydrogenlike uranium in the process of radiative recombination. The angular correlations between these x rays for the first time revealed a coherence of the populated state in this ion. The results also indicate a strong contribution of the spin-orbit...
Article
Full-text available
X-ray spectra of multicharged xenon ions created in an electron-beam ion trap (EBIT) were measured both with a low-resolution silicon drift detector (SDD) and a high-resolution Johann/Johannson type crystal diffraction spectrometer. The measurement were performed in the electron-beam ion source (EBIS) using the transmission, leaky and pulsed modes...
Article
Full-text available
For the collisions system U??? + N2 @ 90 MeV/u the emitted cusp electrons have been studied, and the three processes contributing to the electron cusp were compared to individual theoretical calculations.
Article
Radiative recombination (RR) into the K shell and L subshells of U92+ ions interacting with cooling electrons has been studied in an x-ray RR experiment at the electron cooler of the Experimental Storage Ring at GSI. The measured radiative recombination rate coefficients for electron-ion relative energies in the range 0-1000 meV demonstrate the imp...
Article
Particle-induced X-ray emission (PIXE) technique is usually applied using typically 1MeV to 3MeV protons or helium ions, for which the ion-atom interaction is dominated by the single ionization process. For heavier ions the multiple ionization plays an increasingly important role and this process can influence substantially both the X-ray spectra a...
Article
A particular subject of X-ray fluorescence analysis is its application in studies of the multielemental sample of composition in a wide range of concentrations, samples with different matrices, also inhomogeneous ones and those characterized with different grain size. Typical examples of these kinds of samples are soil or geological samples for whi...
Article
Full-text available
We have studied the excitation of H-like and He-like uranium (U91+ and U90+) in relativistic collisions with gaseous targets by observing the subsequent x-ray emission. The experiment was conducted at the ESR storage ring of the GSI accelerator facility in Darmstadt, Germany. The measurements were performed with a newly developed multi-phase target...
Article
Full-text available
The experimental investigation of quantum-electrodydamic contributions to the binding energies of inner shells of highly charged heavy ions requires an accurate spectroscopy in the region of hard x-rays suitable at a limited source strength. For this purpose the focusing compensated asymmetric Laue crystal optics has been developed and a twin-spect...
Article
Full-text available
The aim of this study was to verify various dosimetry methods in the irradiation of biological materials with a 12C ion beam at the Heavy Ion Laboratory of the University of Warsaw. To this end the number of ions hitting the cell nucleus, calculated on the basis of the Si-detector system used in the set-up, was compared with the number of ion track...
Article
Full-text available
Ionizing radiation induces a variety of DNA lesions, including single and double strand breaks. Large energy deposition precisely localized along the ion track that occurs in the case of heavy ion irradiation can lead to complex types of DNA double strand breaks in exposed biological material. The formation of nuclear double strand breaks triggers...
Article
The effect of chemical modification of halloysite from a Polish strip mine “Dunino” on the chemical composition and structure of this clay mineral was studied using infrared spectroscopy (ATR FT-IR), wavelength dispersive X-ray fluorescence (WDXRF), and X-ray powder diffraction (XRPD) methods. The results obtained by the WDXRF technique confirm tha...
Article
Full-text available
Depth-profiling measurements by means of synchrotron radiation based grazing XRF techniques, i.e., grazing emission X-ray fluorescence (GEXRF) and grazing incidence X-ray fluorescence (GIXRF), present a promising approach for the non-destructive, sub-nanometer scale precision characterization of ultra shallow ion-implantations. The nanometer resolu...
Article
Full-text available
For the collision system U88+ + N-2 at a collision energy of 90 MeV/u, the energy distribution of electrons being nonradiatively captured from the target into the projectile continuum has been measured under an angle of 0. with respect to the projectile beam axis. This measurement of the electron-capture-to-continuum cusp with the highest effective...