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The back-streaming white neutron source (Back-n) is a comprehensive neutron experimental platform for nuclear data measurement, nuclear astrophysics, neutron irradiation, detector calibration, etc. In order to meet a variety of experimental…

仪器与探测器 · 物理学 2021-08-17 Xiaolong Gaoa , Hantao Jing , Chungui Duan , Binbin Tian , Yang Li , Xiaoyun Yang , Jilei Sun , Weiling Huang

The primary secondary particles from the spallation target of the China Spallation Neutron Source are mainly gammas and neutrons, which are related to the distribution of the incident proton. The reconstruction of proton beam spot could be…

仪器与探测器 · 物理学 2022-03-09 Y. K. Sun , H. T. Jing , B. B. Tian , X. L. Gao , X. Y. Yang

The Back-n white neutron beam line, which uses back-streaming white neutrons from the spallation target of the China Spallation Neutron Source, is used for nuclear data measurements. A Micromegas-based neutron detector with two variants was…

A white neutron beam line using the back-streaming neutrons from the spallation target at China Spallation Neutron Source (CSNS) is under construction. Different spectrometers mainly for nuclear data measurements to be installed in the…

仪器与探测器 · 物理学 2017-11-15 L. Y. Zhang , H. T. Jing , J. Y. Tang , Q. Li , X. C. Ruan , J. Ren , C. J. Ning , Y. J. Yu , Z. X. Tan , P. C. Wang , Y. C. He , X. Q. Wang

In Chinese Spallation Neutron Source (CSNS), proton beam is used to hit metal tungsten target, and then high flux neutron are generated for experiments on instruments. For neutron flux spectrum correction, the current of proton beam is for…

仪器与探测器 · 物理学 2018-06-22 Jian Zhuang , Jiajie Li , Ke Zhou , Fang Li , Yongxiang Qiu , Lei Hu

The back-streaming neutrons from the spallation target at CSNS are very intense, and can pose serious damage problems for the devices in the accelerator-target interface region. To tackle the problems, a possible scheme for this region was…

加速器物理 · 物理学 2013-06-04 Jing Han-Tao , Tang Jing-Yu , Yang Zheng

In this paper, we study a monitoring method for neutron flux for the spallation target used in an accelerator driven sub-critical (ADS) system, where a spallation target located vertically at the centre of a sub-critical core is bombarded…

仪器与探测器 · 物理学 2016-05-11 Qiang Zhao , Zhiyong He , Lei Yang , Xueying Zhang , Wenjuan Cui , Zhiqiang Chen , Hushan Xu

Due to their high cost of acquisition and operation, there are still a limited number of high-yield, high-flux neutron source facilities worldwide. In this context, laser-driven neutron sources offer a promising, cheaper alternative to…

A high precision beam monitor system based on silicon carbide PIN sensor is designed for China Spallation Neutron Source 1.6 GeV proton beam to monitor the proton beam fluence.The concept design of the beam monitor system is finished…

A facility based on a next-generation, high-flux D-D neutron generator has been commissioned and it is now operational at the University of California, Berkeley. The current generator design produces near monoenergetic 2.45 MeV neutrons at…

We propose a new scheme of producing intense neutron beam whose yields exceed those of existing facilities by many orders of magnitude. This scheme uses the recently proposed photon beam extracted from circulating quantum ions, which is…

核实验 · 物理学 2017-12-06 T. Masuda , A. Yoshimi , M. Yoshimura

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…

A new method for directional fast neutron detection is proposed based on a neutron time projection chamber (TPC) and position-sensitive plastic scintillation detectors. The detection system can efficiently locate the approximate location of…

仪器与探测器 · 物理学 2019-07-11 Yidong Fu , Yang Tian , Yulan Li , Jian Yang , Jin Li

We present a new experimental method for measuring the process of Coherent Elastic Neutrino Nucleus Scattering (CENNS). This method uses a detector situated transverse to a high energy neutrino beam production target. This detector would be…

A post-acceleration system based on the accelerators at CSNS (China Spallation Neutron Source) is proposed to build a super-beam facility for neutrino physics. Two post-acceleration schemes, one using superconducting dipole magnets in the…

加速器物理 · 物理学 2015-06-12 Yang Wu , Jingyu Tang

SOlar Neutron TRACking (SONTRAC) is a detector concept based on a bundle of plastic scintillators by aiming at tracking the solar neutrons through the generation of the secondary particles such as protons from the (n, np) and (n, p)…

仪器与探测器 · 物理学 2024-12-04 Ahmet Ilker Topuz

The NLC extraction line provides a secondary focal point with a low beta function and 2 cm dispersion which can be used for measurement of the beam energy spectrum. In this study, tracking simulations were performed to transport the 0.5 TeV…

加速器物理 · 物理学 2008-11-26 Y. Nosochkov , T. O. Raubenheimer

We propose a new experiment for decay pion spectroscopy of light hypernuclei at electron- and proton-beam facilities, using the recoil distance technique for separation of produced hypernuclei and a magnetic spectrometer for precise…

This paper presents the model-based design and evaluation of an instrument that estimates incident neutron direction using the kinematics of neutron scattering by hydrogen-1 nuclei in an organic scintillator. The instrument design uses a…

仪器与探测器 · 物理学 2017-12-13 Kyle Weinfurther , John Mattingly , Erik Brubaker , John Steele
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