English
Related papers

Related papers: Using Back-Scattering to Enhance Efficiency in Neu…

200 papers

A Monte Carlo simulation-based optimization of a multilayer 10B-RPC thermal neutron detector is performed targeting an increase in the counting rate capability while maintaining high (>50%) detection efficiency for thermal neutrons. The…

Instrumentation and Detectors · Physics 2020-04-22 A. Morozov , L. M. S. Margato , I. Stefanescu

Neutron beam monitors are an essential diagnostic component of neutron scattering facilities. They are used to measure neutron flux, calibrating experiments performed on the instruments, allowing measurement of facility performance,…

Instrumentation and Detectors · Physics 2020-11-12 F. Issa , R. Hall-Wilton , A. Quintanilla , M. Olsson , D. Zielinski , K. Kanaki , N. Tsapatsaris

A method for reconstructing the direction of a fast neutron source using a segmented organic scintillator-based detector and deep learning model is proposed and analyzed. The model is based on recurrent neural network, which can be trained…

Instrumentation and Detectors · Physics 2023-01-27 Jun Woo Bae , Tingshiuan C. Wu , Igor Jovanovic

New generation dark matter experiments aim at exploring the 10e-9 - 10e-10 pb cross-section region for the WIMP-nucleon scalar interactions. Neutrons produced in the detector components are one of the main factors that can limit detector…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. Tomasello , V. A. Kudryavtsev , M. Robinson

The scattering length density profile for a thin film structure can be determined uniquely if both modulus and phase of the reflection coefficient is known. Here, we describe a method for recovering the phase information which utilize a…

Materials Science · Physics 2009-11-10 S. Farhad Masoudi

Muon imaging is one of the most promising non-invasive techniques for density structure scanning, specially for large objects reaching the kilometre scale. It has already interesting applications in different fields like geophysics or…

Instrumentation and Detectors · Physics 2017-12-14 H. Gómez , D. Gibert , C. Goy , K. Jourde , Y. Karyotakis , S. Katsanevas , J. Marteau , M. Rosas-Carbajal , A. Tonazzo

Neutron stars capture dark matter efficiently. The kinetic energy transferred during capture heats old neutron stars in the local galactic halo to temperatures detectable by upcoming infrared telescopes. We derive the sensitivity of this…

High Energy Physics - Phenomenology · Physics 2019-10-21 Nirmal Raj , Philip Tanedo , Hai-Bo Yu

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

Significant effort has been devoted to searching for new fundamental forces of nature. At short length scales (below approximately 10 nm), the strongest experimental constraints come from neutron scattering from individual nuclei in gases.…

High Energy Physics - Phenomenology · Physics 2023-09-11 Zachary Bogorad , Peter W. Graham , Giorgio Gratta

The detection of low energy neutrinos ($<$ few tens of MeV) via coherent nuclear scattering remains a holy grail of sorts in neutrino physics. This uncontroversial mode of interaction is expected to profit from a sizeable increase in cross…

High Energy Physics - Experiment · Physics 2011-05-12 P. Barbeau , J. I. Collar , J. Miyamoto , I. Shipsey

The worldwide need to replace 3He for the neutron detection has triggered R&D on new technologies and methods. A promising one is based on commercial solid state silicon detectors coupled with thin neutron converter layers containing 6Li.…

Instrumentation and Detectors · Physics 2016-01-20 A. Pappalardo , M. Barbagallo , L. Cosentino , C. Marchetta , A. Musumarra , C. Scirè , S. Scirè , G. Vecchio , P. Finocchiaro

We consider different methods and observables which can be obtained by the measurement of neutrino scattering off nucleons and nuclei with the purpose of finding evidence for the strange form factors of the nucleon, which enter into…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. M. Alberico

The Helium-3 shortage and the growing interest in neutron science constitute a driving factor in developing new neutron detection technologies. In this work, we report the development of a double-GEM detector prototype that uses a…

The characteristics of the Solid-state Neutron Detector, under development for neutron-scattering measurements at the European Spallation Source, have been simulated with a Geant4-based computer code. The code models the interations of…

We present studies on electron backscattering from the surface of plastic scintillator beta detectors. By using a setup of two detectors coaxial with a strong external magnetic field - one detector serving as primary detector, the other as…

Instrumentation and Detectors · Physics 2008-11-26 M. Schumann , H. Abele

The present supply of 3He can no longer meet the detector demands of the upcoming ESS facility and continued detector upgrades at current neutron sources. Therefore viable alternative technologies are required to support the development of…

The demand for new thermal neutron detectors as an alternative to 3He tubes in research, industrial, safety and homeland security applications, is growing. These needs have triggered research and development activities about new generations…

Instrumentation and Detectors · Physics 2018-01-09 Paolo Finocchiaro , Luigi Cosentino , Sergio Lo Meo , Ralf Nolte , Desiree Radeck

Thermal detectors have recently achieved a leading position in the fields of neutrinoless double beta decay and dark matter searches thanks to excellent energy resolution and numerous absorber material choices. These detectors operate at…

Instrumentation and Detectors · Physics 2011-03-29 Carlo Bucci , Paolo Gorla , Wolfgang Seidel

The problem of possible application of an ultracold neutron (UCN) trap as a detector of dark matter particles with long-range radius of forces has been considered. Transmission of small recoil energy in scattering is a characteristic of…

Nuclear Experiment · Physics 2013-05-30 A. P. Serebrov , O. M. Zherebtsov , A. K. Fomin , M. S. Onegin

Gas Electron Multiplier (GEM)-based detectors using a layer of 10B as a neutron converter is becoming popular for thermal neutron detection. A common strategy to simulate this kind of detector is based on two frameworks: Geant4 and…

Instrumentation and Detectors · Physics 2022-12-21 R. Felix dos Santos , M. G. Munhoz , M. Moralles , L. A. Serra Filho , M. Bregant , F. A. Souza