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Monte Carlo simulations were carried out to design a prompt {\gamma}-ray neutron activation analysis (PGNAA) thermal neutron output setup using MCNP5 computer code. In these simulations the moderator materials, reflective materials and…

Instrumentation and Detectors · Physics 2013-09-06 Jinzhao Zhang , Xianguo Tuo

We report on the measurement of the ambient neutron flux and its energy distribution over a broad range of neutron energies, conducted in Hall A of the Canfranc Underground Laboratory using the High Efficiency Neutron Spectrometry Array…

The existing mathematical expressions, used to evaluate the number of atoms displaced by particle irradiation of materials, are not applicable to 2D structures like graphene. In a previous work (J. Radioanal. Nucl.Chem, 2011, 289,1, 167-…

Materials Science · Physics 2012-10-16 Daniel Codorniu-Pujals , Armando Bermúdez-Martínez

In this work, differential cross sections of $\gamma$-ray emission produced in nuclear reactions induced by $14.1$~MeV neutrons are measured for the $4.439$~MeV line from carbon, as well as for $10$ individual $\gamma$-ray lines from…

Neutron transport inside the reflector tank of the new Brazilian nuclear reactor, called the RMB (Brazilian Multipurpose Reactor), is investigated using the stochastic Monte Carlo method. One of the main characteristics of research nuclear…

This paper presents a theoretical and experimental investigation of photon diffusion in highly absorbing microscale graphite. An Nd:YAG continuous wave (CW) laser is used to heat the graphite samples with thicknesses of 40 microns and 100…

Applied Physics · Physics 2023-03-13 Avijit Das , Andrew K. Brown , Merlin L. Mah , Joseph J. Talghader

The sheet samples of thermally exfoliated graphite (TEG) carbon nanotubes (CNT) composites (TEG CNT cs) were obtained by persulphate oxidation using chemical (CO) and electrochemical (anode) oxidation (ECAO). Electron microscopy reveals…

The MEGAPIE project is one of the key experiments towards the feasibility of Accelerator Driven Systems. On-line operation and post-irradiation analysis will provide the scientific community with unique data on the behavior of a liquid…

The Displacement per Atom (DPA) rate is conventionally computed with DPA cross sections in reactor applications. The method of direct calculation with energy-angular distributions given in the Center of Mass (CM) frame is proposed and…

Instrumentation and Detectors · Physics 2019-07-30 Shengli Chen , David Bernard , Pierre Tamagno , Jean Tommasi , Stephane Bourganel , Gilles Noguere , Cyrille De Saint Jean

The emission of neutrons from heavy ion reactions is an important observable for studying the asymmetric nuclear equation of state and the reaction dynamics. A 20-unit neutron array has been developed and mounted on the compact spectrometer…

The 235U(n,f) cross section was measured in a wide energy range (25 meV - 170 keV) at the n_TOF facility at CERN, relative to 6Li(n,t) and 10B(n,alpha) standard reactions, with high resolution and accuracy, with a setup based on a stack of…

Nuclear Experiment · Physics 2022-02-14 TOF collaboration , M. Mastromarco , S. Amaducci , N. Colonna , P. Finocchiaro , L. Cosentino , O. Aberle , J. Andrzejewski , L. Audouin , M. Bacak , J. Balibrea , M. Barbagallo , F. Bečvář , E. Berthoumieux , J. Billowes , D. Bosnar , A. Brown , M. Caamaño , F. Calviño , M. Calviani , D. Cano-Ott , R. Cardella , A. Casanovas , F. Cerutti , Y. H. Chen , E. Chiaveri , G. Cortés , M. A. Cortés-Giraldo , L. A. Damone , M. Diakaki , C. Domingo-Pardo , R. Dressler , E. Dupont , I. Durán , B. Fernández-Domínguez , A. Ferrari , P. Ferreira , V. Furman , K. Göbel , A. R. García , A. Gawlik , S. Gilardoni , T. Glodariu , I. F. Gonçalves , E. González-Romero , E. Griesmayer , C. Guerrero , F. Gunsing , H. Harada , S. Heinitz , J. Heyse , D. G. Jenkins , E. Jericha , F. Käppeler , Y. Kadi , A. Kalamara , P. Kavrigin , A. Kimura , N. Kivel , I. Knapova , M. Kokkoris , M. Krtička , D. Kurtulgil , E. Leal-Cidoncha , C. Lederer , H. Leeb , J. Lerendegui-Marco , S. Lo Meo , S. J. Lonsdale , D. Macina , A. Manna , J. Marganiec , T. Martínez , A. Masi , C. Massimi , P. Mastinu , E. A. Maugeri , A. Mazzone , E. Mendoza , A. Mengoni , P. M. Milazzo , F. Mingrone , A. Musumarra , A. Negret , R. Nolte , A. Oprea , N. Patronis , A. Pavlik , J. Perkowski , I. Porras , J. Praena , J. M. Quesada , D. Radeck , T. Rauscher , R. Reifarth , C. Rubbia , J. A. Ryan , M. Sabaté-Gilarte , A. Saxena , P. Schillebeeckx , D. Schumann , P. Sedyshev , A. G. Smith , N. V. Sosnin , A. Stamatopoulos , G. Tagliente , J. L. Tain , A. Tarifeño-Saldivia , L. Tassan-Got , S. Valenta , G. Vannini , V. Variale , P. Vaz , A. Ventura , V. Vlachoudis , R. Vlastou , A. Wallner , S. Warren , C. Weiss , P. J. Woods , T. Wright , P. Žugec

We report on the magnetic properties of monovacancy defects in neutron-irradiated graphite, probed by $^{13}$C nuclear magnetic resonance spectroscopy. The bulk paramagnetism of the defect moments is revealed by the temperature dependence…

Materials Science · Physics 2017-12-21 Z. T. Zhang , C. Xu , D. Dmytriieva , S. Molatta , J. Wosnitza , Y. T. Wang , M. Helm , Shengqiang Zhou , H. Kühne

The neutron emission rates in thermal excited nuclei are conventionally described by statistical models with a phenomenological level density parameter that depends on excitation energies, deformations and mass regions. In the microscopic…

Nuclear Theory · Physics 2015-06-22 Yi Zhu , Junchen Pei

The neutron emission in projectile fragmentation at relativistic energies was studied with the Large-Area-Neutron-Detector LAND coupled to the ALADIN forward spectrometer at the GSI Schwerionen-Synchrotron (SIS). Stable 124Sn and…

The neutronic properties of Molten Salt Reactor are different from that of traditional solid-fuel reactors due to its nuclear fuel particularity. Based upon MCNP code, the influence of the size and shape of fuel salt channel on neutron…

Applied Physics · Physics 2021-01-26 Shihe Yu , Yafen Liu , Pu Yang , Ruimin Ji , Guifeng Zhu Bo Zhou , Xuzhong Kang , Rui Yan , Yang Zou , Ye Dai

A new method for measuring the electron temperature of the plasma in GOL-NB facility is proposed. The proposed method is based on measuring the ratio of intensities of spectral lines emitted by fast atoms injected into the plasma. The beams…

Plasma Physics · Physics 2023-07-31 S. Polosatkin

Measurements of neutron-induced fission cross sections and light-ion production are planned in the energy range 1-40 MeV at the upcoming Neutrons For Science (NFS) facility. In order to prepare our detector setup for the neutron beam with…

A prototype neutron detector has been created through modification to a commercial non-volatile flash memory device. Studies are being performed to modify this prototype into a purpose-built device with greater performance and…

Instrumentation and Detectors · Physics 2021-08-18 Tim Hossain , Clayton Fullwood , Will Flanagan , Peter Hedlesky , John Rabaey , Steven Block , Aidan Medcalf , Tracy Tipping

Spatial separation of the wave packets (WPs) of neutrino mass eigenstates leads to decoherence and damping of neutrino oscillations. Damping can also be caused by finite energy resolution of neutrino detectors or, in the case of experiments…

High Energy Physics - Phenomenology · Physics 2022-11-30 Evgeny Akhmedov , Alexei Y. Smirnov

Neutron Resonance Transmission Analysis (NRTA) is a spectroscopic technique which uses the resonant absorption of neutrons in the epithermal range to infer the isotopic composition of an object. This spectroscopic technique has relevance in…

Instrumentation and Detectors · Physics 2021-05-19 Ethan A. Klein , Farheen Naqvi , Jacob E. Bickus , Hin Y. Lee , Robert J. Goldston , Areg Danagoulian