The report is devoted to the ongoing experiment of the JINR DLNP which is dedicated to the study of double beta decay of the Zr-96 isotope and the experimental detection of the decay mode to excited states of Mo-96. It covers the description of the experimental setup, results of the Monte-Carlo modeling of experiment in Geant4 and preliminary analysis of future prospects
The νGeN experiment is aims to search for coherent elastic neutrino-nucleus scattering (CEνNS) and to study the neutrino properties. A low-background 1.4 kg HPGe detector with energy threshold less than 300 eV is used to detect CEνNS. The νGeN is located about 11 meters from the center of the 3.1 GWth reactor #3 of Kalinin NPP, which is leading to an antineutrino flux of (3.9-4.4)*10$^{13}$...
Scintillation detectors based on CsI(Tl) crystals are a widely used instrument in nuclear physics,especially in the field of gamma-ray spectrometry and/or fast light charged particles. Large CsI(Tl) crystals like ours with a volume of ~370 cm3 , are used in many collaborations [1-3].
GADAST (GAmma-ray Detector Around the Secondary Target) is a compact detector array as a part of...
DUNE is a long-baseline neutrino accelerator experiment planned for construction in the USA. To achieve its goals, DUNE employs two large-scale detectors: the Near Detector and the Far Detector. Far Detector will utilize a liquid argon time projection chamber (LArTPC). The Near Detector will use a similar approach in neutrino detection and thus a modular LArTPC is planned to be...
The mass is a fundamental property of an atom comprising all information on its constituents and their interactions. Thus, it carries information on the internal structure of the nucleus, reveal the quantum mechanical shell structure within complex nuclei and determine the energy available for nuclear transformations in radioactive decay processes. Mass measurements allow us to benchmark...
Instrumental neutron activation analysis is performed at the REGATA facility of the IBR-2 reactor. The main stages of the analysis are samples preparation and irradiation, acquisition and processing of gamma spectra, and analysis of the data obtained. Four pairs of KUKA KR10 R1100 robotic manipulators and Canberra DSA-LX multichannel analyzers are used to automate the acquisition of gamma...
The large energy and momentum transfer of ordinary muon capture makes it an excellent tool to study the nuclear structure at conditions similar to neutrinoless double beta decay and benchmark the corresponding nuclear matrix elements. The MONUMENT collaboration is performing a set of muon capture experiments at the Paul Scherrer Institute in Switzerland. In the report, the measurement...
The Isotope Mass Separator On-Line Device (ISOLDE), is an experimental setup at CERN is dedicated to the topical theme: β-decay kinetics spectroscopy studies for research into nuclear structure, nuclear engineering, and astrophysics. UWC has a leading experiment approved at IDS. To investigate nuclear shape coexistence in 80,82Sr nuclei
with the beta decay of 80,82Y. The study aims at...
The read-out electronics of the mRPC(multi-gap Resistive Plate Chambers) detectors of the NA61/SHINE experiment at CERN are based on the DRS4 (Domino Ring Sampler 4) chips. One of the main challenges of using these chips is to distinguish signals from noises due to their complex waveforms. FFT(Fast Fourier Transform) based algorithm was developed and already used to analyze DRS4 data collected...
Because of their unique feature, ultracold neutrons (UCN) are used as a sensitive instrument in fundamental physics experiments where high-precision measurements are required. Various UCN measurements are especially aimed at solving unanswered questions in fundamental physics, astrophysics and cosmology. These include the verification of fundamental theories, such as the search for the...
Parametric X-ray radiation (PXR) is a consequence of the interaction of charged particles with a substance in which there is a periodic structure. This type of radiation is generated as a result of coherent emission of electrons of the medium due to polarization caused by the Coulomb field of incident charged particles. The characteristics of such radiation depend on the incident charged...
Obtaining proper event collision data from MPD TPC depends on determination of many working parameters. One of them is electrons drift velocity in gas that fills sensitive volume of the TPC. The drift velocity can vary during runs and changes due to environmental conditions like atmospheric pressure and temperature. Laser calibration system into sensitive volume of the TPC will provide data to...
Mass measurement allows to determine the full binding energy of the nucleus - the integral characteristic of all atomic and nuclear forces which is the key for solving the fundamental physics problems, which includes nuclear physics, astrophysics, physics of fundamental interactions and symmetries, neutrino physics. High precision mass spectrometry could solve the problems of proton and...
Reconstruction methods using combined kinematic and geometric constraints are useful in recovering semi-leptonic decay channels, where otherwise - due to the missing neutrino, the physically useful kinematic information would be lost. We use the "Sliding Vertex" method, applied to the D0 --> K- l+ nu_l channels. The M_nu_l invariant mass is studied in view of the attainable...
The possibilities of a xenon gamma-ray spectrometer [1] for the evaluation and detection of radioactive isotopes and 60Co in particular were studied in this paper. The methods of the most accurate restoration of the activity of the alleged source were also tested in order to reduce the discrepancies of the actual values of the source activity. The detector used in the experiments is an...
In this paper, the production and spectroscopic investigation of Mercury and Radon isotopes was performed using complete fusion reactions neutron evaporation residues and multi-nucleon transfer reaction at the mass-separator MASHA. The MASHA setup is installed on the beam line of Cyclotron U-400M at Flerov Laboratory of Nuclear Reactions (FLNR) in Joint Institute for Nuclear Research (JINR),...
The report is dedicated to the development of a compact time-of-flight neutron spectrometer emitted at large angles in the nucleus-target fragmentation region. Neutron detection was performed using stilbene crystals coupled with an assembly of four SensL SiPMs, allowing measurements to be conducted in a strong magnetic field of 0.9 T. The use of the n/g-pulse shape discrimination method is an...
The Jiangmen Underground Neutrino Observatory (JUNO) is a cutting-edge
reactor neutrino experiment located in China, consisting of two key detectors: the primary JUNO detector and the auxiliary TAO satellite detector. The TAO detector, a vital component of the experiment, comprises a spherical vessel filled with liquid scintillator and is equipped with approximately 4,000 Silicon...
The deuteron beam vector polarization was obtained at the Nuclotron Internal Target Station using the proton-proton quasielastic scattering on the polyethylene target at the beam energies of 200, 500, 550, and 650 MeV/nucleon. The selection of useful events was performed using the time and amplitude information from scintillation counters and the position of the target inside the ion tube....
The study of the high-density equation of state (EOS) and the search for a possible phase transition in dense baryonic matter is the main goal of beam energy scan programs with relativistic heavy ions at energies 2-5 GeV.
In this work, we discuss the layout of the MPD (NICA) experiment in the fixed target mode and the anticipated performance for differential anisotropic flow measurements of...
The nature of dark matter is a fundamental problem in such fields as elementary particle physics, astrophysics and cosmology. There are lots of experiments aimed at the detection of dark matter. Among them, there is DarkSide-50 at Laboratori Nazionali del Gran Sasso (LNGS), Italy, which uses argon as the target material and measures the recoil energy of target particles, nuclei and electrons,...
