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Neutron-induced background has been studied in various components of the TIN.TIN detector, which is under development for the search of Neutrinoless Double Beta Decay in $\rm^{124}Sn$. Fast neutron flux $\sim10^{6}~n~cm^{-2}s^{-1}$ covering…

Instrumentation and Detectors · Physics 2014-11-12 N. Dokania , V. Singh , S. Mathimalar , C. Ghosh , V. Nanal , R. G. Pillay , S. Pal , K. G. Bhushan , A. Shrivastava

A novel concept for detection and spectroscopy of gamma rays, and detection of thermal neutrons based on codoped lanthanum fluoride nanocrystals containing gadolinium is presented.The trends of colloidal synthesis of the mentioned material,…

M dwarfs are prominent targets of planet search projects, and their chemical composition is crucial to understanding the formation process or interior of orbiting exoplanets. However, measurements of elemental abundances of M dwarfs have…

Solar and Stellar Astrophysics · Physics 2020-12-30 Hiroyuki Tako Ishikawa , Wako Aoki , Takayuki Kotani , Masayuki Kuzuhara , Masashi Omiya , Ansgar Reiners , Mathias Zechmeister

Globular Clusters are among the oldest objects in the Galaxy, thus their researchers are key to understanding the processes of evolution and formation that the galaxy has experienced in early stages. Spectroscopic studies allow us to carry…

Astrophysics of Galaxies · Physics 2021-03-24 Carolina Montecinos , S. Villanova , C. Muňoz , C. C. Cortés

Barium (Ba) stars belong to binary systems that underwent mass transfer events. As a consequence, their envelopes were enriched with material synthesized in the interiors of their evolved companions via \textit{slow} neutron-capture…

Solar and Stellar Astrophysics · Physics 2025-09-03 M. P. Roriz , N. A. Drake , N. Holanda , M. Lugaro , B. Cseh , S. Junqueira , C. B. Pereira

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 existing calculations of the nuclear matrix elements of the neutrinoless double $\beta$-decay differ by about a factor three. This uncertainty prevents quantitative interpretation of the results of experiments searching for this…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. M. Bilenky , J. A. Grifols

As experimental searches for neutrinoless double-beta ($0\nu\beta\beta$) decay are entering a new generation, with hopes to completely probe the inverted mass hierarchy, the need for reliable nuclear matrix elements, which govern the rate…

Nuclear Theory · Physics 2025-05-08 A. Belley , T. Miyagi , S. R. Stroberg , J. D. Holt

The use of active interrogation (AI) to induce delayed neutron emission is a well-established technique for the characterization of special nuclear materials (SNM). Delayed neutrons have isotope-characteristic spectral and temporal…

Nuclear Experiment · Physics 2020-07-22 Kristofer Ogren , Jason Nattress , Igor Jovanovic

A new thermal neutron detector with the domestically produced THGEM (THick Gas Electron Multiplier) was developed as an alternative to 3He to meet the needs of the next generation of neutron facilities. One type of Au-coated THGEM was…

Instrumentation and Detectors · Physics 2014-08-06 Yang Lei , Zhou Jian-Rong , Sun Zhi-Jia , Zhang Ying , Huang Chao-Qiang , Sun Guang-Ai , Wang Yan-Feng , Yang Gui-An , Xu Hong , Xie Yu-Guang , Chen Yuan-Bo

Detecting anions in space has relied on a strong collaboration between theoretical and laboratory analyses to measure rotational spectra and spectroscopic constants to high accuracy. The advent of improved quantum chemical tools operating…

Earth and Planetary Astrophysics · Physics 2019-10-02 David Dubois , Ella Sciamma-O'Brien , Ryan Fortenberry

The possibility to use a mini-phoswich detector to identify ions in the region of Z ~ 10 is explored in the framework of the NUMEN project. The NUMEN program, aimed at the investigation of the nuclear matrix elements connected to the…

Several observed anomalies in neutrino oscillation data could be explained by a hypothetical fourth neutrino separated from the three standard neutrinos by a squared mass difference of a few 0.1 eV$^2$ or more. This hypothesis can be tested…

Instrumentation and Detectors · Physics 2015-06-11 Th. Lasserre

New abundances for neutron-capture (n-capture) elements in a large sample of metal-poor giants from the Bond survey are presented. The spectra were acquired with the KPNO 4-m echelle and coude feed spectrographs, and have been analyzed…

From 21 independent Baryon Acoustic Oscillation (BAO) measurements we obtain the following sum of masses of active Dirac or Majorana neutrinos: $\sum m_\nu = 0.711 - 0.335 \cdot \delta h + 0.050 \cdot \delta b \pm 0.063 \textrm{ eV,}$ where…

High Energy Physics - Phenomenology · Physics 2017-12-12 B. Hoeneisen

New fluoropnictides BaMnPnF with Pn = As, Sb, Bi, are synthesized by stoichiometric reaction of elements with BaF\_2. The compounds crystallize in the tetragonal P4/nmm (No. 129, Z = 2) space group, with the ZrCuSiAs-type structure, as…

Strongly Correlated Electrons · Physics 2013-07-09 Bayrammurad Saparov , David J. Singh , V. Ovidiu Garlea , Athena S. Sefat

The crust of accreting neutron stars plays a central role in many different observational phenomena. In these stars, heavy elements produced by H-He burning in the rapid proton capture (rp-) process continually freeze to form new crust. In…

High Energy Astrophysical Phenomena · Physics 2018-07-04 M. E. Caplan , Andrew Cumming , D. K. Berry , C. J. Horowitz , R. Mckinven

Energy resolution, alpha/beta ratio, pulse-shape discrimination for gamma rays and alpha particles, radioactive contamination were studied with neodymium doped yttrium-aluminum garnet (YAG:Nd). Applicability of YAG:Nd scintillators to…

Nuclear Experiment · Physics 2009-11-10 F. A. Danevich , V. V. Kobychev , S. S. Nagorny , V. I. Tretyak

An algorithm is developed for structure identification of amorphous carbonaceous nanomaterials with a joint x-ray and neutron diffraction data analysis, using the data on the chemical composition of the sample from other diagnostics. The…

Materials Science · Physics 2013-01-16 V. S. Neverov , V. V. Voloshinov , A. B. Kukushkin , A. S. Tarasov

This manuscript represents an investigation of structure, property and electrochemical activity for commercially available RuO2 coated titanium electrode, known as DSA. The investigation mainly aimed at XAS studies to understand the hidden…

Materials Science · Physics 2015-03-12 Sujit K. Mondal