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This paper described a measurement of accelerator neutron radiation field at a transport beam line of Beijing-TBF. The experiment place was be selected around a Faraday Cup with a graphite target impacted by electron beam at 2.5GeV. First…

Accelerator Physics · Physics 2015-11-11 Guanjia Li , Qingbin Wang , Zhongjian Ma , Siming Guo , Mingyang Yan , Haoyu Shi , Chao Xu

Imaging through scattering is an important, yet challenging problem. Tremendous progress has been made by exploiting the deterministic input-output "transmission matrix" for a fixed medium. However, this "one-to-one" mapping is highly…

Image and Video Processing · Electrical Eng. & Systems 2018-09-27 Yunzhe Li , Yujia Xue , Lei Tian

Ambient neutrons may cause significant background for underground experiments. Therefore, it is necessary to investigate their flux and energy spectrum in order to devise a proper shielding. Here, two sets of altogether ten moderated $^3$He…

The Compact Neutron Spectrometer (CNS) is a Joint European Torus (JET) Enhancement Project, designed for fusion diagnostics in different plasma scenarios. The CNS is based on a liquid scintillator (BC501A) which allows good discrimination…

Instrumentation and Detectors · Physics 2012-03-27 F. Gagnon-Moisan , M. Reginatto , A. Zimbal

We present a machine learning (ML) framework for designing desired signal power profiles over the spectral and spatial domains in the fiber span. The proposed framework adjusts the Raman pump power values to obtain the desired…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Mehran Soltani , Francesco Da Ros , Andrea Carena , Darko Zibar

We present results of explicit asymptotic approximations applied to neutrino--electron scattering in a representative model of neutrino population evolution under conditions characteristic of core-collapse supernova explosions or binary…

High Energy Astrophysical Phenomena · Physics 2023-12-15 Aaron Lackey-Stewart , Raghav Chari , Adam Cole , Nick Brey , Kyle Gregory , Ryan Crowley , Mike Guidry , Eirik Endeve

Inspired by certain optimization solvers, the deep unfolding network (DUN) has attracted much attention in recent years for image compressed sensing (CS). However, there still exist the following two issues: 1) In existing DUNs, most…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Wenxue Cui , Xiaopeng Fan , Jian Zhang , Debin Zhao

X-ray Photoelectron Spectroscopy (XPS) is a crucial technique for material surface analysis, yet interpreting its spectra is often challenging for both human analysts and automated methods due to the prevalence of variable spectral shifts…

Materials Science · Physics 2026-03-06 Issa Saddiq , Yuxin Fan , Robert G. Palgrave , Mark A. Isaacs , David Morgan , Keith T. Butler

The model-independent reconstruction of the energy spectra of $\overline{\nu}^{}_e$, $\nu^{}_e$ and $\nu^{}_x$ (i.e., $\nu^{}_\mu$, $\nu^{}_\tau$ and their antiparticles) from the future observation of a galactic core-collapse supernova…

High Energy Physics - Phenomenology · Physics 2019-07-11 Hui-Ling Li , Xin Huang , Yu-Feng Li , Liang-Jian Wen , Shun Zhou

Bi-temporal change detection is highly sensitive to acquisition discrepancies, including illumination, season, and atmosphere, which often cause false alarms. We observe that genuine changes exhibit higher patch-wise singular-value entropy…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Zelin Lei , Yaoxing Ren , Jiaming Chang

Ultra-compact spectrometers are becoming increasingly popular for their promising applications in biomedical analysis, environmental monitoring, and food safety. In this work, we report a novel single-pixel-photodetector spectrometer with a…

Applied Physics · Physics 2023-06-08 Jingyi Wang , Beibei Pan , Zi Wang , Jiakai Zhang , Zhiqi Zhou , Lu Yao , Yanan Wu , Wuwei Ren , Jianyu Wang , Jingyi Yu , Baile Chen

Accurate fluence map prediction is essential in intensity-modulated radiation therapy (IMRT) to maximize tumor coverage while minimizing dose to healthy tissues. Conventional optimization is time-consuming and dependent on planner…

Image and Video Processing · Electrical Eng. & Systems 2025-11-13 Ujunwa Mgboh , Rafi Sultan , Dongxiao Zhu , Joshua Kim

Aims: We present neutrino light curves and energy spectra for two representative type Ia supernova explosion models: a pure deflagration and a delayed detonation. Methods: We calculate the neutrino flux from $\beta$ processes using nuclear…

Solar and Stellar Astrophysics · Physics 2011-03-29 A. Odrzywolek , T. Plewa

Deep convolutional neural networks (DCNN) have recently shown promising results in low-level computer vision problems such as optical flow and disparity estimation, but still, have much room to further improve their performance. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-10-12 Juan Luis Gonzalez , Muhammad Sarmad , Hyunjoo J. Lee , Munchurl Kim

The prompt gamma-ray spectrum from depleted uranium (DU) spherical shells induced by 14 MeV D-T neutrons is measured. Monte Carlo (MC) simulation gives the largest prompt gamma flux with the optimal thickness of the DU spherical shells 3-5…

Instrumentation and Detectors · Physics 2016-08-03 Jianguo Qin , Caifeng Lai , Li Jiang , Rong Liu , Xinwei Zhang , Bangjiao Ye , Tonghua Zhu

Brain tumor segmentation is essential for diagnosis and treatment planning, yet many CNN and U-Net based approaches produce noisy boundaries in regions of tumor infiltration. We introduce UAMSA-UNet, an Uncertainty-Aware Multi-Scale…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Satyaki Roy Chowdhury , Golrokh Mirzaei

Neutron detection provides an effective method to detect, locate, and characterize sources of interest to nuclear security applications. Current neutron imaging systems based on double-scatter kinematic reconstruction provide good signal…

To overcome the problem of inefficient computing time and unreliable results in MCNP5 calculation, a two-step method is adopted to calculate the energy deposition of prompt gamma-rays in detectors for depleted uranium spherical shells under…

Instrumentation and Detectors · Physics 2016-08-03 Jianguo Qin , Caifeng Lai , Rong Liu , Tonghua Zhu , Xinwei Zhang , Bangjiao Ye

Bubble detectors are widely used to measure neutron flux from laser-driven sources employing a pitcher-catcher setup, due to their insensitivity to intense $\gamma$-ray backgrounds and strong electromagnetic pulses (EMP).\\ This paper…

We show how neutrino data can be used in order to constrain the free parameters of possible extensions to the standard model of elementary particles (SM). For definiteness, we focus in the recently proposed unparticle scenario. We show that…

High Energy Physics - Phenomenology · Physics 2014-11-20 J. Barranco , A. Bolanos , O. G. Miranda , C. A. Moura , T. I. Rashba