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The T-REX neutron time-of-flight spectrometer at the European Spallation Source will use Multi-Grid Technology, which relies on thin B4C coatings on the Al blades of the grids to detect scattered thermal neutrons. Following a Monte Carlo…

Instrumentation and Detectors · Physics 2025-11-06 A. Backis , C. -C. Lai , M. Aouane , P. P. Deen , K. G. Fissum , J. R. M. Annand , K. Livingston , D. Raspino

Background: The $^{14}$N(n,p)$^{14}$C reaction is of interest in neutron capture therapy, where nitrogen-related dose is the main component due to low-energy neutrons, and in astrophysics, where 14N acts as a neutron poison in the…

Nuclear Experiment · Physics 2024-12-31 P. Torres-Sánchez , J. Praena , I. Porras , M. Sabaté-Gilarte , C. Lederer-Woods , O. Aberle , V. Alcayne , S. Amaducci , J. Andrzejewski , L. Audouin , V. Bécares , V. Babiano-Suarez , M. Bacak , M. Barbagallo , F. Bečvář , G. Bellia , E. Berthoumieux , J. Billowes , D. Bosnar , A. Brown , M. Busso , M. Caamaño , L. Caballero , F. Calviño , M. Calviani , D. Cano-Ott , A. Casanovas , F. Cerutti , Y. H. Chen , E. Chiaveri , N. Colonna , G. Cortés , M. A. Cortés-Giraldo , L. Cosentino , S. Cristallo , L. A. Damone , M. Diakaki , M. Dietz , C. Domingo-Pardo , R. Dressler , E. Dupont , I. Durán , Z. Eleme , B. Fernández-Domínguez , A. Ferrari , F. J. Ferrer , P. Finocchiaro , V. Furman , K. Göbel , R. Garg , A. Gawlik-Ramięga , B. Geslot , S. Gilardoni , T. Glodariu , I. F. Gonçalves , E. González-Romero , C. Guerrero , F. Gunsing , H. Harada , S. Heinitz , J. Heyse , D. G. Jenkins , E. Jericha , F. Käppeler , Y. Kadi , A. Kimura , N. Kivel , M. Kokkoris , Y. Kopatch , M. Krtička , D. Kurtulgil , I. Ladarescu , H. Leeb , J. Lerendegui-Marco , S. Lo Meo , S. J. Lonsdale , D. Macina , A. Manna , T. Martínez , A. Masi , C. Massimi , P. Mastinu , M. Mastromarco , F. Matteucci , E. A. Maugeri , A. Mazzone , E. Mendoza , A. Mengoni , V. Michalopoulou , P. M. Milazzo , F. Mingrone , A. Musumarra , A. Negret , R. Nolte , F. Ogállar , A. Oprea , N. Patronis , A. Pavlik , J. Perkowski , L. Piersanti , J. M. Quesada , D. Radeck , D. Ramos-Doval , T. Rauscher , R. Reifarth , D. Rochman , C. Rubbia , A. Saxena , P. Schillebeeckx , D. Schumann , A. G. Smith , N. V. Sosnin , A. Stamatopoulos , G. Tagliente , J. L. Tain , T. Talip , A. Tarifeño-Saldivia , L. Tassan-Got , A. Tsinganis , J. Ulrich , S. Urlass , S. Valenta , G. Vannini , V. Variale , P. Vaz , A. Ventura , V. Vlachoudis , R. Vlastou , A. Wallner , P. J. Woods , T. Wright , P. Žugec

Microstructure characterization is of great value to understanding nuclear graphite's properties and irradiation behavior. However, graphite is soft and could be easily damaged during sample preparation. A three-step polishing method…

Materials Science · Physics 2021-06-07 Qing Huang , Hui Tang

The structural, dynamical, and thermodynamical properties of diamond, graphite and layered derivatives (graphene, rhombohedral graphite) are computed using a combination of density-functional theory (DFT) total-energy calculations and…

Materials Science · Physics 2009-11-10 Nicolas Mounet , Nicola Marzari

Future long baseline neutrino experiments such as the DUNE experiment under construction at Fermilab will perform precision measurements of neutrino oscillations, including the potential for the discovery of CP violation in the lepton…

Instrumentation and Detectors · Physics 2019-05-22 Lorenz Emberger , Frank Simon

Configurational information entropy (CIE) theory was employed to determine the neutron skin thickness of neutron-rich calcium isotopes. The nuclear density distributions and fragment cross-sections in 350 MeV/u $^{40-60}$Ca + $^{9}$Be…

Nuclear Theory · Physics 2022-01-19 Chunwang Ma , Yipu Liu , Huiling Wei , Jie Pu , Kaixuan Cheng , Yuting Wang

The development of nuclear fuels requires unsteady/transient testing for design process and qualification under postulated accident conditions. Breach, rupture, fracture, melting, and other fuel failure modes may occur during the use of…

Instrumentation and Detectors · Physics 2020-05-04 Nima Fathi , Patrick McDaniel , Nicolas Woolstenhulme , Cassiano de Oliveira , Lance Hone , Joshua Daw

In this paper we describe the development and first tests of a neutron spectrometer designed for high flux environments, such as the ones found in fast nuclear reactors. The spectrometer is based on the conversion of neutrons impinging on…

Instrumentation and Detectors · Physics 2015-12-09 M. Osipenko , M. Ripani , G. Ricco , B. Caiffi , F. Pompili , M. Pillon , M. Angelone , G. Verona-Rinati , R. Cardarelli , G. Mila , S. Argiro

The simulation of the neutron background for Phase II of the SIMPLE direct dark matter search experiment is fully reported with various improvements relative to previous estimates. The model employs the Monte Carlo MCNP neutron transport…

Instrumentation and Detectors · Physics 2016-01-27 A. C. Fernandes , A. Kling , M. Felizardo , T. A. Girard , A. R. Ramos , J. G. Marques , M. I. Prudêncio , R. Marques , F. P. Carvalho , I. Lázaro

A compact photoneutron source (PNS), based on an electron linac was designed and constructed to provide required nuclear data for the design of Thorium Molten Salt Reactor (TMSR). Many local shielding are built to reduce the background of…

Over 10 years ago we proposed an experiment on measuring the characteristics of radiative neutron decay in papers [1, 2]. At the same time we had published the theoretical spectrum of radiative gamma quanta, calculated within the framework…

Nuclear Experiment · Physics 2015-05-13 R. U. Khafizov , S. V. Tolokonnikov , V. A. Solovei , M. R. Kolhidashvili

The nuclear level densities of $^{194-196}$Pt and $^{197,198}$Au below the neutron separation energy have been measured using transfer and scattering reactions. All the level density distributions follow the constant-temperature…

The present paper reports high-accuracy cross-section data for the 2H(n,nnp) reaction in the neutron-proton (np) and neutron-neutron (nn) final-state-interaction (FSI) regions at an incident mean neutron energy of 13.0 MeV. These data were…

This study investigates the influence of several Monte Carlo radiation transport codes and nuclear models on the simulation of secondary neutron spectra and its impact on calculating and measuring neutron doses in proton therapy. Three…

The processes of neutron fluxes interaction with an aqueous solution of methyl orange organic dye have been investigated. The work was carried out on a LINAC LUE-300 at NSC KIPT. A set of tungsten plates was used as a neutron-generating…

With the aim of measuring the $^{235}$U(n,f) cross section at the n\_TOF facility at CERN over a wide neutron energy range, a detection system consisting of two fission detectors and three detectors for neutron flux determination was…

A calorimetric-time-of-flight (CTOF) technique was used for real-time, high-precision measurement of the neutron spectrum at an angle of 175 deg from the initial proton beam direction, which hits a face plane of a cylindrical copper target…

Nuclear Experiment · Physics 2012-11-14 I. L. Azhgirey , V. I. Belyakov-Bodin , I. I. Degtyarev , N. P. Smirnov , S. G. Mashnik

Monolayer graphene aligned with hexagonal boron nitride (hBN) develops a gap at the charge neutrality point (CNP). This gap has previously been extensively studied by electrical transport through thermal activation measurements. Here, we…

Mesoscale and Nanoscale Physics · Physics 2021-04-12 Tianyi Han , Jixiang Yang , Qihang Zhang , Lei Wang , Kenji Watanabe , Takashi Taniguchi , Paul L. McEuen , Long Ju

Hypothetical short-range interactions could be detected by measuring the wavefunctions of ultracold neutrons (UCNs) on a mirror bounded by the Earth's gravitational field. The Searches require detectors with higher spatial resolution. We…

A critical relation in the study of neutron star cooling is the one between surface temperature and interior temperature. This relation is determined by the composition of the neutron star envelope and can be affected by the process of…

High Energy Astrophysical Phenomena · Physics 2019-03-13 M. J. P. Wijngaarden , Wynn C. G. Ho , Philip Chang , Craig O. Heinke , Dany Page , Mikhail Beznogov , Daniel J. Patnaude
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