Publications by authors named "J Sobczyk"
Article Synopsis
- - Talar avascular necrosis (AVN) often develops after severe talar neck fractures, with early detection being vital to prevent serious damage; conditions like diabetes and systemic lupus can contribute to AVN risk.
- - Initial stages of AVN (I-II) can often be treated non-surgically, while advanced stages (III-IV) may require more invasive procedures like hindfoot arthrodesis or total talar replacement (TTR).
- - The rise of advanced prosthetics through 3D printing is improving the success rate of TTR, which offers benefits like reduced pain, fewer complications, and preservation of limb length compared to traditional joint-sacrificing procedures.
Osteoarthritis (OA) is one of the most common causes of disability around the globe, especially in aging populations. The main symptoms of OA are pain and loss of motion and function of the affected joint. Hyaline cartilage has limited ability for regeneration due to its avascularity, lack of nerve endings, and very slow metabolism.
View Article and Find Full Text PDFMeasurements of neutrino oscillation parameters from the T2K experiment using protons on target.
Eur Phys J C Part Fields
September 2023
Article Synopsis
- - The T2K experiment reports enhanced measurements of neutrino oscillation parameters through new proton-on-target (POT) neutrino data, significantly improving analysis methods with a major focus on the near detector's new selection procedures.
- - This analysis is the first to utilize data from the NA61/SHINE experiment, helping to refine the neutrino flux model and enhance the neutrino interaction model by incorporating new nuclear effects.
- - Both frequentist and Bayesian approaches indicate a preference for normal mass ordering and a nearly maximal CP-violating phase, with notable exclusions and constraints on certain parameters aligning with past T2K studies.
This article presents an experimental stand for the generation of gas flows with very low velocities. The constant volume air flow was generated in the measurement area with the use of a Mariotte bottle and a water piston (water column in a tank). The air-flow velocity was determined from the change in the height of the water piston with time, which was measured via the difference between the pressure above the water surface and the pressure at the bottom of the water column.
View Article and Find Full Text PDFAccurate calculations of the spectral density in a strongly correlated quantum many-body system are of fundamental importance to study its dynamics in the linear response regime. Typical examples are the calculation of inclusive and semiexclusive scattering cross sections in atomic nuclei and transport properties of nuclear and neutron star matter. Integral transform techniques play an important role in accessing the spectral density in a variety of nuclear systems.
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