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The Micromegas technology is one of the most successful MPGD concepts and widely utilized in nuclear and particle physics experiments. Twenty years of research and development rendered the technology sufficiently mature to be selected as…

Instrumentation and Detectors · Physics 2017-08-10 Fabian Kuger

In this study, we have developed a new sub-MeV neutron detector that has a high position resolution, energy resolution, directional sensitivity, and low background. The detector is based on a super-fine-grained nuclear emulsion, called the…

Instrumentation and Detectors · Physics 2022-09-01 T. Shiraishi , I. Todoroki , T. Naka , A. Umemoto , R. Kobayashi , O. Sato

Accelerator driven system (ADS) subcritical nuclear reactors are under development around the world. They will be intense sources of free, 30-50 MeV antimuon decay at rest antimuon neutrinos. These ADS reactor neutrinos can provide a robust…

High Energy Physics - Phenomenology · Physics 2017-04-27 Emilio Ciuffoli , Jarah Evslin , Fengyi Zhao

The design and characteristics of the new very small angle neutron scattering spectrometer under construction at the Laboratoire Leon Brillouin is described. Its goal is to extend the range of scattering vectors magnitudes towards 2x10{-4}…

Soft Condensed Matter · Physics 2007-06-13 Sylvain Desert , Vincent Thevenot , Julian Oberdisse , Annie Brulet

Neutron energy spectrum from 120 GeV protons on a thick copper target was measured at the Meson Test Beam Facility (MTBF) at Fermi National Accelerator Laboratory. The data allows for evaluation of neutron production process implemented in…

The Muon ATLAS MicroMegas Activity (MAMMA) focuses on the development and testing of large-area muon detectors based on the bulk-Micromegas technology. These detectors are candidates for the upgrade of the ATLAS Muon System in view of the…

Instrumentation and Detectors · Physics 2011-11-03 George Iakovidis , Kostantinos Karakostas , Matthias Schott

Nuclear reactors have long been a favored source for antineutrino measurements for estimates of power and burnup. With appropriate detector parameters and background rejection, an estimate of the reactor power can be derived from the…

Instrumentation and Detectors · Physics 2023-08-03 Emma Houston , Oluwatomi Akindele , Marc Bergevin , Adam Bernstein , Steven Dazley , Sandra Bogetic

A neutron detector based on EJ301 liquid scintillator has been employed at EAST to measure the neutron energy spectrum for D-D fusion plasma. The detector was carefully characterized in different quasi-monoenergetic neutron fields generated…

Instrumentation and Detectors · Physics 2013-04-30 Xi Yuan , Xing Zhang , Xufei Xie , G. Gorini , Zhongjing Chen , Xingyu Peng , Jinxiang Chen , Guohui Zhang , Tieshuan Fan , Guoqiang Zhong , Liqun Hu , Baonian Wan

In the last years, optical readout of Micromegas gaseous detectors has been achieved by implementing a Micromegas detector on a glass anode coupled to a CMOS camera. Effective X-ray radiography was demonstrated using integrated imaging…

Chinese Spallation Neutron Source (CSNS), one project of the 12th five-year-plan scheme of China, is under construction in Guangdong province. Three neutron spectrometers will be installed at the first phase of the project, where…

Instrumentation and Detectors · Physics 2015-05-30 Li-Chao Tian , Bin Tang , Xiao-Hu Wang , Rong-Guang Liu , Jian Zhang , Yuan-Bo Chen , Zhi-Jia Sun , Hong Xu , Gui-An Yang , Qiang Zhang

We show data from a new type of detector that can be used to determine neutron flux, energy distribution, and direction of neutron motion for both fast and thermal neutrons. Many neutron detectors are plagued by large backgrounds from…

Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) offers a valuable approach in searching for physics beyond the Standard Model. The Ricochet experiment aims to perform a precision measurement of the CE$\nu$NS spectrum at the…

We present megas, a new software tool that improves the simulation of the Micromegas gas detectors. Our tool offers the possibility to configure multiple arrangements with one or more layers of MM detectors. A series of simple commands can…

Instrumentation and Detectors · Physics 2020-08-28 Dan A. Ciubotaru , Michele Renda

Micromegas is a type of micro-pattern gaseous detector currently under R&D for applications in rare event search experiments. Here we report the performance of a Micromegas structure constructed with a micromesh thermo-bonded to a readout…

Instrumentation and Detectors · Physics 2014-05-13 Yuehuan Wei , Liang Guan , Zhiyong Zhang , Qing Lin , Xiaolian Wang , Kaixuan Ni , Tianchi Zhao

Various neutron diagnostic tools are used in fusion reactors to evaluate different aspects of plasma performance, such as fusion power, power density, ion temperature, fast ion energy, and their spatial distributions. The stilbene…

Nuclear Experiment · Physics 2015-06-03 Seung Kyu Lee , Byoung-Hwi Kang , Gi-Dong Kim , Yong-Kyun Kim

Building the European Spallation Source (ESS), the most powerful neutron source in the world, requires significant technological advances at most fronts of instrument component design. Detectors are not an exception. The existing…

We report the design, commissioning and benchmarking of a compact AmBe-based neutron irradiation facility capable of providing both fast and thermal neutron dominated fields through multiple detector positions within a moderator assembly.…

Instrumentation and Detectors · Physics 2026-05-06 A. J. Bevan , I. Dawson

We have developed a prototype time-resolved neutron imaging detector employing the micro-pixel chamber (muPIC), a micro-pattern gaseous detector, coupled with a field programmable gate array-based data acquisition system for applications in…

Energy-resolved neutron imaging at a pulsed source utilizes the energy-dependent neutron transmission measured via time-of-flight to extract quantitative information about the internal microstructure of an object. At the RADEN instrument at…

We present the first prototype of a novel thermal neutron detector using the time projection method. The system consists of 8 TimePix ASICS with postprocessed InGrid meshes. Each ASIC has 256 x 256 pixels of 55 mum x 55mum in size with the…

Instrumentation and Detectors · Physics 2018-12-26 M. Köhli , K. Desch , M. Gruber , J. Kaminski , F. P. Schmidt , T. Wagner