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The experimental detection of the CE$\nu$NS allows the investigation of neutrinos and neutrino sources with all-flavor sensitivity. Given its large content in neutrons and stability, Pb is a very appealing choice as target element. The…

Sapphire has mechanical and electrical properties that are advantageous for the construction of internal components of radiation detectors such as time projection chambers and bolometers. However, it has proved difficult to assess its $\rm…

The quest for the origin of the chemical elements, which we find in our body, in our planet (Earth), in our star (Sun), or in our galaxy (Milky Way) could only be resolved with a thorough understanding of the nuclear physics properties of…

Nuclear Experiment · Physics 2018-03-26 René Reifarth , David Brown , Saed Dababneh , Yuri A. Litvinov , Shea M. Mosby

Neutrino interactions with lead produce neutrons in numbers that depend on neutrino energy and type. A detector based on lead perchlorate, for example, would be able to measure the energy deposited by electrons and gammas in coincidence…

Astrophysics · Physics 2011-07-19 S. R. Elliott

The extraction of neutrino oscillation parameters often requires the unambiguous identification of the reaction mechanism to be used for the energy determination. The use of nuclear targets and of beams with broad energy distributions…

Nuclear Theory · Physics 2015-06-03 Ulrich Mosel

Motivated by the recent development of quantitative structure-activity relationship (QSAR) methods in the area of nanotoxicology, we proposed an approach to develop additional descriptors based on results of first principles calculations.…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 D. W. Boukhvalov , T. H. Yoon

[Abridged] Investigations of neutron(n)-capture element nucleosynthesis and chemical evolution have largely been based on stellar spectroscopy. However, the recent detection of these elements in several planetary nebulae (PNe) indicates…

A number of works point to the presence of narrow emission features at unusual energies in the X-ray spectra of active galactic nuclei (AGN) or to potentially low iron abundances as possible evidence for the spallation of iron. With the…

High Energy Astrophysical Phenomena · Physics 2019-01-30 L. C. Gallo , J. S. Randhawa , S. G. H. Waddell , M. H. Hani , J. A. Garcia , C. S. Reynolds

Materials that are capable of extracting gold from complex sources, especially electronic waste (e-waste) with high efficiency are needed for gold resource sustainability and effective e-waste recycling. However, it remains challenging to…

Various techniques are used to detect the presence of charged particles stored in electromagnetic traps, their energy, their mass, or their internal states. Detection methods can rely on the variation of the number of trapped particles…

Atomic Physics · Physics 2017-08-23 Martina Knoop

Several improvements were made for Nuclear Track Detectors (NTDs) used for environmental studies and for particle searches. A new method was used to determine the bulk etch rate of CR39 and Makrofol NTDs. It is based on the simultaneous…

Instrumentation and Detectors · Physics 2008-11-26 S. Manzoor , S. Balestra , M. Cozzi , M. Errico , G. Giacomelli , M. Giorgini , A. Kumar , A. Margiotta , E. Medinaceli , L. Patrizii , V. Popa , I. E. Qureshi , V. Togo

Hard point-contact spectroscopy and scanning probe microscopy/spectroscopy are powerful techniques for investigating materials with strong expandability. To support these studies, tips with various physical and chemical properties are…

Materials Science · Physics 2021-02-01 Jiawei Zhang , Pinyuan Wang , Xuao Zhang , Haoran Ji , Jiawei Luo , He Wang , Jian Wang

Every country that has made nuclear weapons has used uranium enrichment. Despite the centrality of this technology to international security, there is still no reliable physical marker of past enrichment that can be used to perform forensic…

Instrumentation and Detectors · Physics 2021-07-20 Rachel C. Connick , Charles A. Hirst , Kevin B. Woller , Julie V. Logan , R. Scott Kemp , Michael P. Short

Activation analysis is used in this work to measure the flux of a fast neutron beamline at a spallation source over a wide energy spectrum, extending from thermal to hundreds of MeV. The experimental method is based on the irradiation of…

Trace analysis of radionuclides is an essential and versatile tool in modern science and technology. Due to their ideal geophysical and geochemical properties, long-lived noble gas radionuclides, in particular, 39Ar (t1/2 = 269 yr), 81Kr…

Nuclear Experiment · Physics 2009-11-10 P. Collon , W. Kutschera , Z. -T. Lu

Abundance ratios of radioactive to stable neutron-capture elements in very metal-poor stars may be used to estimate the age of our Galaxy. But extracting accurate ages from these data requires continuing work on many fronts: a)…

Astrophysics · Physics 2007-05-23 C. Sneden

Young open clusters (t<200 Myr) have been observed to exhibit several peculiarities in their chemical compositions, from a slightly sub-solar iron content, super-solar abundances of some atomic species (e.g. ionised chromium), and atypical…

The chemical abundances of elements such as barium and the lanthanides are essential to understand the nucleosynthesis of heavy elements in the early Universe as well as the contribution of different neutron capture processes (for example…

In recent decades, inorganic crystals have been widely used in dark matter direct search experiments. To contribute to the understanding of the capabilities of $CsI(Na)$ and $CaF_{2}(Eu)$ crystals, a mono-energetic neutron beam is utilized…

X-ray photoelectron spectroscopy (XPS) and energy-dispersive X-ray spectroscopy (EDX) are applied to investigate the properties of fine-grained concentrate on artisanal small-scale gold mining samples from the Kubi Gold Project of the…

Materials Science · Physics 2021-11-01 Gabriel K. Nzulu , Babak Bakhit , Hans Högberg , Lars Hultman , Martin Magnuson