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Resonant cyclotron scattering (RCS) in pulsar magnetospheres is considered. The photon diffusion equation (Kompaneets equation) for RCS is derived. The photon system is modeled three dimensionally. Numerical calculations show that there…

High Energy Astrophysical Phenomena · Physics 2015-05-13 Hao Tong , Ren Xin Xu , Qiu He Peng , Li Ming Song

The CENNS-10 experiment of the COHERENT collaboration has recently reported the first detection of coherent-elastic neutrino-nucleus scattering (CEvNS) in liquid Argon with more than $3 \sigma$ significance. In this work, we exploit the new…

High Energy Physics - Phenomenology · Physics 2020-11-10 O. G. Miranda , D. K. Papoulias , G. Sanchez Garcia , O. Sanders , M. Tórtola , J. W. F. Valle

In Chinese Spallation Neutron Source (CSNS), proton beam is used to hit metal tungsten target, and then high flux neutrons are generated for experiments on instruments. For neutron flux spectrum correction, boron-coated GEM, lithium glass…

Instrumentation and Detectors · Physics 2018-06-22 Jian Zhuang , Ke Zhou , Lijiang Liao , Lei Hu , Jiajie Li , Yongxiang Qiu

This paper summarizes new experimental results in low energy neutrino cross sections as presented in the neutrino scattering working group at the NuFact05 workshop. Several questions and directives for future NuFact workshops are also…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. P. Zeller

Ultra-cold neutrons (UCN), neutrons with energies low enough to be confined by the Fermi potential in material bottles, are playing an increasing role in measurements of fundamental properties of the neutron. The ability to manipulate UCN…

This article details the potential for using Charge Coupled Devices (CCD) to detect low-energy neutrinos through their coherent scattering with nuclei. The detection of neutrinos through this standard model process has not been accessible…

Instrumentation and Detectors · Physics 2015-06-19 Guillermo Fernandez Moroni , Juan Estrada , Gustavo Cancelo , Eduardo Paolini , Javier Tiffenberg , Jorge Molina

Some evidence for sterile neutrinos has been found in short baseline observations where the measured neutrino flux did not agree with expectations. Systematic uncertainties from the expected values has limited the sensitivity of this…

High Energy Physics - Experiment · Physics 2015-08-26 John LoSecco

The electron scattering has been a vital tool to study the properties of the target nucleus for over five decades. Though, the particular interest on $^{40}$Ar nucleus stemmed from the progress in the accelerator-based neutrino-oscillation…

For obtaining reliable nanostructural details of large amounts of sample --- and if it is applicable --- Small-Angle Scattering (SAS) is a prime technique to use. It promises to obtain bulk-scale, statistically sound information on the…

Materials Science · Physics 2013-09-02 Brian Richard Pauw

Thanks to J.~Schwinger, the process of elastic scattering of neutrons by nuclei is known to depend on the interference between a nuclear amplitude and an electromagnetic one for small scattering angles, resulting in spin asymmetries of a…

Nuclear Theory · Physics 2019-12-04 Andrei V. Afanasev , D. V. Karlovets , V. G. Serbo

We describe some of the first polarized neutron scattering measurements performed at HYSPEC spectrometer at the Spallation Neutron Source, Oak Ridge National Laboratory. We discuss details of the instrument setup and the experimental…

A new high-precision detector for studying neutrons from beta-delayed neutron emission and direct reaction studies is proposed. The Neutron dEtector with Xn Tracking (NEXT) array is designed to maintain high intrinsic neutron detection…

SciNO$\nu$A is a proposed experiment to deploy a fine-grained scintillator detector in front of the NO$\nu$A near detector to collect neutrino-nucleus scattering events in the NuMI, off-axis, narrow-band neutrino beam at Fermilab. This…

High Energy Physics - Experiment · Physics 2013-11-18 X. C. Tian

China Spallation Neutron Source (CSNS) will start commissioning in early 2018. The neutron spectra from the tungsten target bombarding by 1.6 GeV proton beam are very wide, namely white neutron spectra. Two white neutron beams schemed by…

Instrumentation and Detectors · Physics 2018-08-15 W. J. Ni , H. T. Jing , L. Y. Zhang , L Ou

The electron-phonon interaction plays a critical role in materials electrical, thermal, optical, and superconducting properties. However, measuring the phonon mode-resolved electron-phonon interaction has been challenging. Here we propose…

Materials Science · Physics 2024-03-22 Chuliang Fu , Phum Siriviboon , Artittaya Boonkird , Michael Landry , Chen Li , Weiwei Xie , Mingda Li

The Cold-Neutron Inelastic Spectrometer (CNIS) is a direct-geometry, time-of-flight instrument designed for China Spallation Neutron Source (CSNS) and optimized to probe low-energy lattice and magnetic excitations. The instrument integrates…

Applied Physics · Physics 2026-05-12 Qian Zhao , Xiaowen Zhang , Songwen Xiao , Wei Luo , Zecong Qin , Zhuang Xu , Yu Feng , Xin Tong

We present the development of a segmented fast neutron spectrometer (FaNS-2) based upon plastic scintillator and $^3$He proportional counters. It was designed to measure both the flux and spectrum of fast neutrons in the energy range of few…

Instrumentation and Detectors · Physics 2016-01-19 FaNS Collaboration , T. J. Langford , E. J. Beise , H. Breuer , C. R. Heimbach , G. Ji , J. S. Nico

The coherent elastic scattering of neutrinos on nuclei, also known as CEvNS, has been studied for several years by the COHERENT program of experiments using neutrinos from stopped-pion decays produced at the Spallation Neutron Source (SNS).…

The Super-Scaling Approach (SuSA) model, based on the analogies between electron and neutrino interactions with nuclei, is reviewed and its application to the description of neutrino-nucleus scattering is presented. The contribution of both…

High Energy Physics - Phenomenology · Physics 2021-11-10 J. E. Amaro , M. B. Barbaro , J. A. Caballero , T. W. Donnelly , R. Gonzalez-Jimenez , G. D. Megias , I. Ruiz Simo

Several proposals for studying neutrinos with large detectors are currently under discussion. We suggest that they could provide a precise measurement of the electroweak mixing angle as well as a probe for new physics, such as non-standard…

High Energy Physics - Phenomenology · Physics 2013-05-30 E. A. Garces , O. G. Miranda , M. A. Tortola , J. W. F. Valle
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