A5084410729- High-Energy Particle Collisions Research
- Particle physics theoretical and experimental studies
- Nuclear Physics and Applications
- Quantum Chromodynamics and Particle Interactions
- Nuclear physics research studies
- Nuclear reactor physics and engineering
- Radioactive element chemistry and processing
- Lanthanide and Transition Metal Complexes
- Advanced NMR Techniques and Applications
- X-ray Spectroscopy and Fluorescence Analysis
- Atomic and Subatomic Physics Research
- Electron and X-Ray Spectroscopy Techniques
- Advanced Chemical Physics Studies
- Random Matrices and Applications
- Particle accelerators and beam dynamics
- Radiation Detection and Scintillator Technologies
- Atomic and Molecular Physics
- Ion-surface interactions and analysis
- Quantum, superfluid, helium dynamics
- Theoretical and Computational Physics
- Rare-earth and actinide compounds
- Advanced Data Processing Techniques
- Particle Accelerators and Free-Electron Lasers
- Dark Matter and Cosmic Phenomena
- Heat transfer and supercritical fluids
Czech Academy of Sciences, Institute of Physics
2023-2025
Jagiellonian University
2018-2024
Institute of Physics
2018-2024
Technical University of Darmstadt
2022
GSI Helmholtz Centre for Heavy Ion Research
2022
Justus-Liebig-Universität Gießen
2021
GLA University
2020
Institute of Nuclear Physics, Polish Academy of Sciences
2019
Chitkara University
2017-2018
Jamia Millia Islamia
2017
The global polarization of {\Lambda} hyperons along the total orbital angular momentum a relativistic heavy-ion collision is presented based on high statistics data samples collected in Au+Au collisions at \sqrt{s_{NN}} = 2.4 GeV and Ag+Ag 2.55 with High-Acceptance Di-Electron Spectrometer (HADES) GSI, Darmstadt. This first measurement below strangeness production threshold nucleon-nucleon collisions. Results are reported as function centrality well hyperon transverse (p_T) rapidity (y_{CM})...
Abstract High-precision measurements of flow coefficients $$v_{n}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>v</mml:mi> <mml:mi>n</mml:mi> </mml:msub> </mml:math> ( $$n = 1 - 4$$ <mml:mrow> <mml:mo>=</mml:mo> <mml:mn>1</mml:mn> <mml:mo>-</mml:mo> <mml:mn>4</mml:mn> </mml:mrow> ) for protons, deuterons and tritons relative to the first-order spectator plane have been performed in Au+Au collisions at $$\sqrt{s_{_{{\text {NN}}}}}= 2.4$$ <mml:msqrt>...
Results are given for the neutron resonance parameters of Dy isotopes (160 to 164) based on 202.05 m transmission and 39.536 capture self-indication flight path time measurements using Columbia-Nevis synchrocyclotron. The $A=161 \mathrm{to} 164$ samples were \ensuremath{\sim} 92 98% enriched. $^{160}\mathrm{Dy}$ sample was 69.5% We give ${E}_{0}$ $(g){\ensuremath{\Gamma}}_{n}^{0}$ values for: $^{160}\mathrm{Dy}$---64 levels 2 keV; $^{161}\mathrm{Dy}$---251 1 $^{162}\mathrm{Dy}$---142 16...
Results are presented of high-resolution transmission measurements using pure natural K metal samples. The measured total $\ensuremath{\sigma}$ vs $E$ to 400 keV is given, and resonance parameter evaluations given for 65 resonances below 200 keV. isosopte assignments, $A=39 or 41$, mainly based on recent unpublished Good Harvey at the Oak Ridge electron linear accelerator separated isotope Values level strengths, $\mathrm{ag}{\ensuremath{\Gamma}}_{n}$, dip area analysis, which with evidence...
Results are presented of time flight total $\ensuremath{\sigma}$ vs $E$ measurements for natural Cl to 400 keV. Resonance parameters were obtained 35 resonances below 200 Of these, 12 assigned $^{35}\mathrm{Cl}$, 6 $^{37}\mathrm{Cl}$, with 17 weak which isotope assignments could not be made. On the basis our as $s$ or $p$ resonances, $10^{4}\mathrm{S}_{0}=({0.12}_{\ensuremath{-}0.07}^{+0.23})$ $^{35}\mathrm{Cl}$ and (${0.59}_{\ensuremath{-}0.28}^{+0.66}$) $^{37}\mathrm{Cl}$. For...
The total neutron cross sections vs energy to 500 keV, measured using high purity samples of nutural Mg, show four main strong levels plus a weak level at 498 keV. An $R$-matrix fit is mainly established by the having (${E}_{0},A,l,J,{\ensuremath{\Gamma}}_{n}$) values (19.90, 25, 0, 2, 1.79 \ifmmode\pm\else\textpm\fi{} 0.18), (83.50, 24, 1, 3/2, 7.6 0.5), (265.2, 1/2, 90 5), and (426.3, 23.2 2.3), with ${E}_{0}$ ${\ensuremath{\Gamma}}_{n}$ in Using channel radius 5 fm, we obtain $p$ strength...
Results are presented to 550 keV of high resolution time flight neutron total cross section measurements using various sample thicknesses natural calcium. An $R$-matrix analysis was made fit the results for nine strong $s$ levels in $^{40}\mathrm{Ca}$ above 100 keV. A transmission area 22 weaker observed which also mainly due $^{40}\mathrm{Ca}$, but have $l>0$. We obtain $10^{4}\mathrm{S}_{0}=({2.97}_{\ensuremath{-}1.05}^{+1.95})$ $^{40}\mathrm{Ca}$.NUCLEAR REACTIONS $^{40}\mathrm{Ca}(n,n)$,...
Results are presented of measurements the total cross section vs energy which was measured to 320 keV for pure metallic sodium. $R$-matrix fits were made seven prominent observed resonances. The best-fit parameters (${E}_{0},\ensuremath{\Gamma},J,l$) each resonance are: (2.850, 0.400, 1, 0); (53.15, 1.08, 2, 1); (199.0, 4.5, (212.5, 15, 0, (238, 3.9, (242, 3.5, (297, 1.8, 0), where ${E}_{0}$ and $\ensuremath{\Gamma}$ in keV. Three levels assigned be $s$ levels, four $p$ levels. This gives...
Results are reported of high resolution transmission measurements on Teflon, ${(\mathrm{C}{\mathrm{F}}_{2})}_{n}$, for the total cross section natural fluorine vs energy from 500 eV to 200 keV. This region has three strong $l=1$ levels which were fitted using a multilevel $R$-matrix analysis. The best fit (${E}_{0},J,{\ensuremath{\Gamma}}_{n}$) parameters (26.99, 2, 0.325), (48.78, 1, 1.67), and (97.50, 14.5), where ${E}_{0}$ ${\ensuremath{\Gamma}}_{n}$ in results consistent with previous...
Pion-induced reactions provide unique opportunities for an unambiguous description of baryonic resonances and their coupling channels by means a partial-wave analysis. Using the secondary pion beam at SIS18, two-pion production in second resonance region has been investigated to unravel role $N(1520){\frac{3}{2}}^{\ensuremath{-}}$resonance intermediate $\ensuremath{\rho}$-meson production. Results on exclusive with one (${\ensuremath{\pi}}^{\ensuremath{-}}p$) two pions...
Results are presented of the high resolution measurements neutron total cross section natural argon to 580 keV. Of 24 levels observed in $^{40}\mathrm{Ar}$, 6 assigned be $l=0, \mathrm{and} 18$ $l=1$. Resonance parameters were obtained using area and $R$-matrix analyses for $s$ levels, analysis including Doppler broadening effect $p$ levels. The strength functions average level spacings $^{40}\mathrm{Ar}$ $10^{4}S_{0}={0.91}_{\ensuremath{-}0.37}^{+0.77}$,...
Results are presented for high resolution time of flight neutron spectroscopy measurements samples natural Tl metal and enriched in $^{203}\mathrm{Tl}$ $^{205}\mathrm{Tl}$. Plots ${\ensuremath{\sigma}}_{t}$ vs $E$ given to 160 keV. Below 20 keV all observed levels identified by isotope, as $s$ or $p$, the orbital angular momentum interacting neutron. Values ${E}_{0}$ $g{\ensuremath{\Gamma}}_{n}$ levels, comprised 25 11 $p$ $^{203}\mathrm{Tl}$, 5 6 Favored $J$ is many cases....
High resolution neutron time of flight spectroscopy measurements were made for a sample enriched in $^{177}\mathrm{Hf}$ using the Columbia University Nevis synchrocyclotron. The used 202.05 m path transmission and 39.37 capture measurements. We obtained (${E}_{0}$, $g{\ensuremath{\Gamma}}_{n}^{0}$) resonance parameters 176 levels to 700 eV 12 $^{178}\mathrm{Hf}$ 720 eV. also ${\ensuremath{\Gamma}}_{\ensuremath{\gamma}}$ values 25 $^{177}\mathrm{Hf}$, givirg...
A measurement of the 56Fe total neutron cross section at interference minimum near 24.37 keV shows a value 7.5 ± 4.2 mb. The data suggest radiation width 2 1 eV for 27.85-keV s-wave resonance 56Fe. values Γn, = (1.43 0.06) and R′ (5.67 0.16) × 10−13 cm [(5.67 fm] this were deduced from shape fit.
The results are presented for high resolution neutron time of flight measurements on $^{27}\mathrm{Al}$ from 4 to 420 keV. $R$-matrix multilevel shape analysis was used obtain the resonance parameters seven levels 220 We determined strength functions as $10^{4}S_{0}=({3.25}_{\ensuremath{-}1.7}^{+4.5})$ and $10^{4}S_{1}=({1.8}_{\ensuremath{-}1.1}^{+3.5})$. A channel radius 4.2 fm in calculation $p$-strength function. (${E}_{0}, l, J, {\ensuremath{\Gamma}}_{n}$) choices were (5.895, 1, 0.017),...
Results are given of high resolution measurements the neutron resonance parameters (${E}_{0}$, $g{\ensuremath{\Gamma}}_{n}^{0}$) for 446 resonances to 3 keV in $^{175}\mathrm{Lu}$ using Columbia University Nevis synchrocyclotron. The used 202.05 m flight path transmission and 39.57 transmission, capture, self-indication measurements. Values ${\ensuremath{\Gamma}}_{\ensuremath{\gamma}}$ from (59 \ifmmode\pm\else\textpm\fi{} 20) (100 meV were obtained 40 levels, with...
Results of high resolution neutron time flight spectroscopy measurements on natural lanthanum (99.9% $^{139}\mathrm{La}$) are presented. Plots ${\ensuremath{\sigma}}_{t}$ vs $E$ given to 76 keV. Values ${E}_{0}$ and $g{\ensuremath{\Gamma}}_{n}^{0}$ presented for all 150 $^{139}\mathrm{La}$ levels observed 26 About 50 these probably $p$ levels, based Bayes' theorem the minimum $g{\ensuremath{\Gamma}}_{n}$ detection $E$. Intermediate structure seems be present in...
Neutron total cross section vs energy measurements were made for several thicknesses of bismuth metal. The results the resonance parameter evaluation 30 levels (12 $s$ and 18 $p$) to 75 keV are given. Parameters $p$ levels, three weak determined using a transmission area analysis. An $R$-matrix multilevel shape analysis fitting was used obtain final choice parameters nine dominant $l=0$ levels. experimental points fit curve shown. (${E}_{0},J,{\ensuremath{\Gamma}}_{n}$) choices these (0.800,...
Neutron capture and transmission measurements were made on a sample of fission product palladium. The level parameters obtained for 34 107Pd resonances below 700 eV. observed average spacing was 〈D〉 = (10.7 ± 1.5) eV, the s-wave neutron strength function determined to be 104 S0 . width Γγ 6.834-eV resonance deduced (125 15) meV. Assuming that all have same radiation as resonance, integral is 87 b.