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Optical Coherence Tomography of Van Der Waals Heterostructures Using Extreme Ultraviolet Light
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Platform for laser-driven X-ray diagnostics of heavy-ion heated extreme states of matter
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Order of Ľudovít Štúr, 2nd Class, Civil Division
No full textProf. Dr. Dr. Livia Ludhova was awarded the Order of Ľudovít Štúr, 2nd Class, Civil Division on January 11, 2025, by the President of the Slovak Republic, Mr. Peter Pellegrini, in Bratislava, Slovakia, for her exceptional contributions to the development of the Slovak Republic in the field of science and technology, as well as for her outstanding efforts in promoting the good reputation of the Slovak Republic abroad
Prediction of energy resolution in the JUNO experiment
No full textThis paper presents an energy resolution study of the JUNO experiment, incorporating the latest knowledge acquired during the detector construction phase. The determination of neutrino mass ordering in JUNO requires an exceptional energy resolution better than 3% at 1 MeV. To achieve this ambitious goal, significant efforts have been undertaken in the design and production of the key components of the JUNO detector. Various factors affecting the detection of inverse beta decay signals have an impact on the energy resolution, extending beyond the statistical fluctuations of the detected number of photons, such as the properties of the liquid scintillator, performance of photomultiplier tubes, and the energy reconstruction algorithm. To account for these effects, a full JUNO simulation and reconstruction approach is employed. This enables the modeling of all relevant effects and the evaluation of associated inputs to accurately estimate the energy resolution. The results of this study reveal an energy resolution of 2.95% at 1 MeV. Furthermore, this study assesses the contribution of major effects to the overall energy resolution budget. This analysis serves as a reference for interpreting future measurements of energy resolution during JUNO data collection. Moreover, it provides a guideline for comprehending the energy resolution characteristics of liquid scintillator-based detectors
Probing Spatiotemporal Effects of Intertrack Recombination with a New Implementation of Simultaneous Multiple Tracks in TRAX-CHEM
No full textPrecision Mass Measurements Reveal Low Neutron Pairing in Tin beyond N = 82 and Its Impact on Stellar Nucleosynthesis
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Charge radii and electromagnetic moments of Bi : Exploring the “southern” border of the Z > 82 octupole-deformation region
No full textThe changes in the mean-squared charge radii relative to 209Bi126(⟨2⟩,126) and the magnetic dipole and electric quadrupole moments in 214−218Bihave been measured using the in-source resonance-ionization spectroscopy technique at ISOLDE (CERN). Magnetic moments of odd-odd bismuth nuclei have been analyzed by the additivity relation. Previous tentative spin-parity and configuration assignments based on the -decay feeding patterns have been supported. A normal odd-even staggering in charge radii of bismuth isotopes with >126has been observed. The new data for the ⟨2⟩of bismuth isotopes allow a study of the isotonic dependencies in the charge radii, revealing jumps in ⟨2⟩132,126and ⟨2⟩134,126at =84. This pattern could be explained by a sudden onset of octupole deformation at =132and 134 when going from polonium (=84) to astatine (=85)