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Results are presented from an exploratory study involving x-ray irradiation of select deuterated materials. Titanium deuteride (TiD2) plus deuterated polyethylene ([-CD2-]n; DPE), DPE alone, and for control, hydrogen-based polyethylene…

In an attempt to replicate work performed elsewhere [1], we have searched for x-ray induced nuclear activation of deuterated materials. Our first results, reported in September 2015, showed no evidence of nuclear activation, contrary to the…

Instrumentation and Detectors · Physics 2017-09-11 Rob Davies

Spontaneous and induced fission in Special Nuclear Material (SNM) such as 235U and 239Pu results in the emission of neutrons and high energy gamma-rays. The multiplicities of and time correlations between these particles are both powerful…

Nuclear Experiment · Physics 2009-08-05 S. Dazeley , A. Bernstein , N. S. Bowden , R. Svoboda

The activities of the EUROfusion consortium on the development of high quality nuclear data for fusion applications include evaluations of deuteron induced reactions and related data libraries for needs of the DEMO fusion power plant and…

Nuclear Experiment · Physics 2024-05-27 M. Avrigeanu , E. Šimečková , J. Mrázek , C. Costache , V. Avrigeanu

A short-pulse laser-driven deuteron beam is generated in the relativistic transparency regime and aimed at a beryllium converter to generate neutrons at the TRIDENT laser facility. These prompt neutrons have been used for active…

Activation cross sections of the natEr(d,x)163,165,166,167,168,170Tm and natEr(d,x)171,161Er nuclear reactions have been measured in the 32-50 MeV energy range, above 40 MeV for the first time. The activation method with stacked foil…

Nuclear Experiment · Physics 2020-08-24 F. Tárkányi , A. Hermanne , F. Ditrói , S. Takács

A preferred candidate for neutrinoless double-{\beta} decay, 150Nd, is present in natural neodymium at an abundance level of 5.64%. However, neodymium could be activated by cosmic rays during the period it spends on the Earth's surface. Its…

Nuclear Experiment · Physics 2012-02-24 O. Lebeda , V. Lozza , P. Schrock , J. Štursa , K. Zuber

A novel radiation detector based on an artificial single crystal diamond was used to characterize in detail the energy distribution of neutron reference fields at the Physikalisch-Technische Bundesanstalt (PTB) and their contamination with…

Instrumentation and Detectors · Physics 2010-12-15 A. Zimbal , L. Giacomelli , R. Nolte , H. Schuhmacher

Neutrinoless double-beta decay of nuclei represents one of the most promising methods for uncovering physics beyond the Standard Model. In this context, $^{76}$Ge stands out as a particularly attractive candidate, as it can serve as an…

Low energy nuclear reactions in the neighborhood of metallic hydride surfaces may be induced by ultra-low momentum neutrons. Heavy electrons are absorbed by protons or deuterons producing ultra low momentum neutrons and neutrinos. The…

Strongly Correlated Electrons · Physics 2007-05-23 A. Widom , L. Larsen

The measurement of positron--nucleus collisions was used to estimate the possibility of suppressing background events that simulate $\beta\beta$ decay in the emulsion region adjacent to molybdenum conglomerates. The range of the escape of…

The reliable detection of neutrons in a harsh gamma-ray environment is an important aspect of establishing non-destructive methods for the characterization of spent nuclear fuel. In this study, we present results from extended in-situ…

Instrumentation and Detectors · Physics 2021-10-22 Hanno Perrey , Linus Ros , Mikael Elfman , Ulrika Bäckström , Per Kristiansson , Anders Sjöland

Light new particles can be emitted in decays of excited nuclear states. Experiments analyzing such transitions and incorporating high-resolution detectors can be sensitive to new MeV-scale physics at a level competitive with upcoming…

High Energy Physics - Phenomenology · Physics 2018-01-31 Jonathan Kozaczuk

Hafnium hydride is a promising material for next-generation nuclear reactors, particularly as control rods for fast fission and shielding in fusion systems. The material's intrinsic brittleness encourages its use in the form of…

Materials Science · Physics 2026-03-17 Di Wang , Catriona M McGilvery , James O Douglas , Siyang Wang

The GERmanium Detector Array, GERDA, is designed for the search for ``neutrinoless double beta decay'' (0-nu-2-beta) with germanium detectors enriched in Ge76. An 18-fold segmented prototype detector for GERDA Phase II was exposed to an…

Nuclear Experiment · Physics 2008-11-26 I. Abt , A. Caldwell , K. Kroeninger , J. Liu , X. Liu , B. Majorovits

Double beta decay is a very rare nuclear process and, therefore, experiments intended to detect it must be operated deep underground and in ultra-low background conditions. Long-lived radioisotopes produced by the previous exposure of…

Instrumentation and Detectors · Physics 2020-10-23 Susana Cebrian

The possibility of nuclear reactions within a low voltage DC deuterium discharge with palladium electrodes is addressed. The solid-state nuclear track detector known as CR-39 was chosen to investigate the emission of energetic charged…

Nuclear Experiment · Physics 2024-02-09 Erik P. Ziehm , George H. Miley

The radioactive decay of the freshly synthesized $r$-process nuclei ejected in compact binary mergers power optical/infrared macronovae (kilonovae) that follow these events. The light curves depend critically on the energy partition among…

High Energy Astrophysical Phenomena · Physics 2016-04-06 Kenta Hotokezaka , Shinya Wanajo , Masaomi Tanaka , Aya Bamba , Yukikatsu Terada , Tsvi Piran

Proton decay detection could put in evidence physics beyond the Standard Model (BSM). In this context, multiple projects are searching for such events. We focused our work on two of the expected decay modes, $p \rightarrow \pi^+ +…

High Energy Physics - Phenomenology · Physics 2025-04-25 Denis Barbu , Mihaela Parvu , Ionel Lazanu

A measurement of hafnium foil using a modified ultra-low-background high purity detector with optimized sample-to-detector geometry was performed at Laboratori Nazionale del Gran Sasso. Radiopurity of the stock Hf foil was studied in…

Nuclear Experiment · Physics 2021-06-02 B. Broerman , M. Laubenstein , S. Nagorny , N. Song , A. C. Vincent
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