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Cascade Gamma Emission Coincidence Tomography
Radiopharmaceuticals labeled with radionuclides that emit cascade gamma photons provide a special opportunity for imaging ― by detecting two cascade...
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Cosmological distance scale. Part 17: Coincidence of coincidences
The article considers an alternative interpretation of data that were used to conclude the accelerated expansion of the universe in 1998–1999. This...
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A closer look in the mirror: reflections on the matter/dark matter coincidence
We argue that the striking similarity between the cosmic abundances of baryons and dark matter, despite their very different astrophysical behavior,...
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Positron annihilation in Eu-, Ag-, Er-, and Pr-doped ZnAl2O4 studied by modified coincidence Doppler broadening spectroscopy
Modified coincidence Doppler broadening spectroscopy (MCDBS) was used in this study to investigate the electron band structure of zinc aluminate (ZnAl
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Development of gamma-spectrum data generation method by Monte Carlo simulation
A digital twin system for a gamma-ray spectrometer was developed using the Geant4 Monte Carlo simulation toolkit and a dedicated novel methodology....
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Offline coincidence/anti-coincidence techniques by BALQARAD active shielded clover
ObjectiveRecent developments in gamma spectroscopy and data processing techniques opened up the possibility of providing high degrees of flexibility...
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Variance Reduction Techniques for Monte Carlo Simulation of Coincidence Circuits
AbstractThe Monte Carlo simulation is widely used to choose the design of associated particle imaging devices or space radiation detectors containing...
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Coincidence mass spectrometry study of double ionization of anthracene by 70 eV electron impact
Double ionization of anthracene molecules by 70 eV electron impact results in a number of prominent fragmentations producing two singly ionized...
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An operational approach for accurate 177Lu and 177mLu activity quantifications to comply with the environmental release criteria: the role of GEANT4 for efficiency curve and True Coincidence Summing effect estimation
The increasing use of 177 Lu-labelled agents for targeted radionuclide cancer therapy highlights the radiation protection challenges in the management...
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Experimental cross sections in fission of natural uranium induced by a neutron spectrum of 12.4-MeV average energy
Yields of fission products are essential for designing Radioactive Ion Beam facilities and extracting cross section data to refine reaction models....
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Determination of the Spectrum of a Pulsed Ion Beam from Current and Voltage Oscillograms
AbstractAn algorithm for calculating the energy spectrum of a pulsed ion beam generated by a direct-acting accelerator is presented. The ion spectrum...
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Primordial gravitational waves spectrum in the interacting Bose–Einstein gas model
We study the evolution and power spectrum of primordial gravitational waves in the interactive Bose–Einstein gas model for dark energy, relevant, as...
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Adiabatic Radio Emission Spectrum of the Sun’s Coronal Holes
AbstractCoronal holes on the Sun have been observed at individual frequencies for quite a long time in the wavelength range from radio to X-rays....
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Low-energy spectrum of the BULLKID detector array operated on surface
We present the first continuous operation in a surface lab of BULLKID, a detector for searches of light Dark Matter and precision measurements of the...
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Probing the influence of temperature on defects in oxy-hydroxide ceramics by positron annihilation lifetime and coincidence Doppler broadening spectroscopy
In this study, aluminum oxy-hydroxide (boehmite) was synthesized using the co-precipitation method and two phases gamma and alpha alumina were...
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The effects of the dead layer thickness increase to the regions in the spectrum response for a coaxial HPGe detector
In the work, we studied the influences of dead layer thickness on the whole gamma spectrum response for HPGe detector by using Monte Carlo...
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Can dark matter–dark energy interaction alleviate the cosmic coincidence problem?
In this paper we study a model of interacting dark energy–dark matter where the ratio between these components is not constant, changing from early...
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The Regge Meson Spectrum from Holographic Wilson Confinement Criterion
AbstractUsing the Wilson confinement criterion a holographic model for finding a string-like spectrum of meson excitations is proposed. The model is...
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Generation of Radiation with a Tunable Comb Spectrum in Ring Fiber Cavities Based on Active Photonic Crystal Structures
AbstractWe consider generation of radiation with a comb spectrum in a ring fiber cavity with harmonic mode locking provided by dissipative four-wave...
