INTRODUCTION Radioactive nuclides are formed through nuclear reactions in the air of accelerator tunnels during machine operation. Especially, in high-energy accelerator facilities, various radionuclides are produced from the air through many kinds of nuclear reactions, such as nuclear spallation reactions. In addition, nonradioactive aerosols are abundantly generated in the air due to high rad...

radioactivedecay is a Python package for radioactive decay modelling. It contains functions to fetch data, define inventories of nuclides and perform calculations. The default nuclear dataset supplied with based on ICRP Publication 107, which covers 1252 radioisotopes 97 elements. code calculates an analytical solution matrix form the chain differential equations using double or higher precisio...

Soon after the Chernobyl accident, the radioactive cloud, carrying the nuclides released into the atmosphere, reached Romania and, due to the rainy weather, an important fallout occurred over the Romanian territory. The most important contaminants for Romania were I, Cs, Cs and Sr. As in many other countries, in the first days, I had the main contribution to the irradiation dose released to the...

In many applications, the radionuclidic purity of a radioactive substance is crucial property. It involves, for example, production radiopharmaceuticals or reference standards used in metrology. However, identification admixtures not straightforward certain nuclides. The paper presents technique determination radionuclide impurities mixtures pure beta-emitting proposed method based on compariso...

Introduction e knowledge of radionuclide distribution and radiation levels in the environment is important for assessing the effects of radiation exposure due to both terrestrial and cosmogenic sources. Terrestrial radiation is due to radioactive nuclides present in varying amounts in soils, building materials, water, rocks and atmosphere. Some of the radionuclides from these sources are trans...

The Short-Lived Nuclei Laboratory based at the IRIS (Investigation of Radioactive Isotopes on Synchrocyclotron) facility has been carrying out successful systematic investigations of the far from stability nuclei with the aid of laser technique since the beginning of 1980-es. More than 120 nuclides were studied, new approaches and methods of production and investigation of short-lived isotopes ...

Introduction: A number of now extinct shortlived nuclides, with half-lives ranging from ~10 (Ca) to 10 years (Sm), were present in the early Solar System and provide constraints on chronometry, nucleosynthetic sources of early Solar System materials and provide a tool for identifying the environment where the Solar System formed (such as isolated star formation versus formation in a cluster of ...