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Coherent elastic neutrino-nucleus scattering (CEvNS) opens new approaches for the search of new physics beyond the Standard Model. The NUCLEUS experiment aims to use the intense antineutrino flux produced from nuclear reactor cores to…

Instrumentation and Detectors · Physics 2023-02-07 Giorgio Del Castello

The nucleon structure study in nuclear deep inelastic scattering is considered. It is shown that nuclear data provide a new source of information about dynamics of parton distributions in the nucleon. An example of the neutron structure…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Molochkov

The challenges of precision neutrino physics require measurements of absolute neutrino cross sections at the GeV scale with exquisite (1%) precision. This precision is presently limited by the uncertainties on neutrino flux at the source;…

Instrumentation and Detectors · Physics 2017-05-02 Fabio Pupilli

A deep neural network was developed for the purpose of predicting thermal conductivity with a case study performed on neutron irradiated nuclear fuel. Traditional thermal conductivity modeling approaches rely on existing theoretical…

Materials Science · Physics 2019-01-04 Elizabeth Kautz , Alexander Hagen , Jesse Johns , Douglas Burkes

In this work we present NJOY+NCrystal, a tool to generate thermal neutron scattering libraries with support for coherent and incoherent elastic components for crystalline solid materials. This tool, which is a customized version of NJOY,…

The nuclear fission process that occurs in the core of nuclear reactors results in unstable, neutron rich fission products that subsequently beta decay and emit electron anti-neutrinos. These reactor neutrinos have served neutrino physics…

Instrumentation and Detectors · Physics 2015-12-09 D. M. Asner , K. Burns , L. W. Campbell , B. Greenfield , M. S. Kos , J. L. Orrell , M. Schram , B. VanDevender , 1 L. S. Wood , D. W. Wootan

We present an optimization procedure for neutrino beams which could be produced at CERN and aimed to a set of seven possible underground sites in Europe with distances ranging from 130 km to 2300 km. Studies on the feasibility of a next…

Instrumentation and Detectors · Physics 2012-06-20 A. Longhin

The Front End of the Spallation Neutron Source (SNS) extends from the Ion Source (IS), through a 65 keV LEBT, a 402.5 MHz RFQ, a 2.5 MeV MEBT, ending at the entrance to the DTL. The diagnostics suite in this space includes stripline beam…

Accelerator Physics · Physics 2010-11-15 L. Doolittle , T. Goulding , D. Oshatz , A. Ratti , J. Staples

We present the development of a specialized concrete for neutron shielding at neutron research facilities, based on the addition of hydrogen atoms in the form of polyethylene and also B$_{4}$C for enhancing the neutron capture properties of…

Instrumentation and Detectors · Physics 2017-07-05 D. D. DiJulio , C. P. Cooper-Jensen , H. Perrey , K. Fissum , E. Rofors , J. Scherzinger , P. M. Bentley

Sensors such as accelerometers, magnetometers, and gyroscopes are frequently utilized to perform measurements in nuclear power plants. For example, accelerometers are used for vibration monitoring of critical systems. With the recent rise…

Signal Processing · Electrical Eng. & Systems 2023-10-03 Issam Hammad

The present uncertainties in the knowledge of the neutrino cross sections for E_nu \sim 1 GeV, that is in the energy range most important for atmospheric and long baseline accelerator neutrinos, are large. These uncertainties do not play a…

High Energy Physics - Phenomenology · Physics 2009-11-07 Paolo Lipari

Neutron star mergers (NSMs) are rapid neutron capture (r-process) nucleosynthesis sites, which eject materials at high velocities, from 0.1c to as high as 0.6c. Thus the r-process nuclei ejected from a NSM event are sufficiently energetic…

High Energy Astrophysical Phenomena · Physics 2020-10-27 Xilu Wang , Brian D. Fields , Matthew Mumpower , Trevor Sprouse , Rebecca Surman , Nicole Vassh

We discuss the possibility to build a neutron target for nuclear reaction studies in inverse kinematics utilizing a storage ring and radioactive ion beams. The proposed neutron target is a specially designed spallation target surrounded by…

Instrumentation and Detectors · Physics 2017-05-01 René Reifarth , Kathrin Göbel , Tanja Heftrich , Mario Weigand , Beatriz Jurado , Franz Käppeler , Yuri A. Litvinov

We propose a new approach for a high-density free-neutron target, primarily aimed at nuclear astrophysics reaction studies in inverse kinematics with radioactive ions circulating in a storage ring. The target concept integrates four key…

Nuclear Experiment · Physics 2026-04-14 Ariel Tarifeño-Saldivia , César Domingo-Pardo , Iris Dillmann , Yuri A. Litvinov

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…

Commissioning of the new high-intensity ultracold neutron (UCN) source at the Paul Scherrer Institut (PSI) has started in 2009. The design goal of this new generation high intensity UCN source is to surpass by a factor of ~100 the current…

Nuclear Experiment · Physics 2011-09-30 Bernhard Lauss

The boron-10 based Multi-Grid detector is being developed as an alternative to helium-3 based neutron detectors. At the European Spallation Source, the detector will be used for time-of-flight neutron spectroscopy at cold to thermal neutron…

The Medley setup is planned to be moved to and used at the new neutron facility NFS where measurements of light-ion production and fission cross-sections are planned at 1-40 MeV. Medley has eight detector telescopes providing Delta E-Delta…

Instrumentation and Detectors · Physics 2014-09-09 K. Jansson , C. Gustavsson , S. Pomp , A. V. Prokofiev , G. Scian , D. Tarrío , U. Tippawan

This note presents neutron scattering cross sections for polyethylene at 296 K, 77 K and 4 K derived from a new scattering kernel for neutron scattering off of hydrogen in polyethylene. The kernel was developed in ENDF-6 format as a set of…

Nuclear Theory · Physics 2010-04-27 Roger E. Hill , C. -Y. Liu