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An innovative approach: MSS - the Method of Spectra Superposition for high energy-resolution (Delta-E) studies on any accelerator of nuclear reactions at fixed targets by magnetic spectrometers, has been invented. For thin targets MSS…

Instrumentation and Detectors · Physics 2020-11-02 A. Gafarov

It is very important to measure the plasma performances of fusion reactors such as fuel ion density, plasma temperature, fusion power, fast neutron energy, and neutron flux. Various diagnostic systems are needed to measure fast neutron…

Nuclear Experiment · Physics 2024-07-10 Iskender Atilla Reyhancan

A novel Compton Scanner setup has been built, commissioned and operated at the Max-Planck-Institute for Physics in Munich to collect pulses from bulk events in high-purity germanium detectors for pulse shape studies. In this fully automated…

Instrumentation and Detectors · Physics 2022-10-25 I. Abt , C. Gooch , F. Hagemann , L. Hauertmann , D. Hervas Aguilar , X. Liu , O. Schulz , M. Schuster , A. J. Zsigmond

The present study explores combining machine learning (ML) algorithms with standard optical diagnostics (such as time-integrated emission spectroscopy and imaging) to accurately predict operating conditions and assess the emission…

GRETA, the Gamma-Ray Energy Tracking Array, is an array of highly-segmented HPGe detectors designed to track gamma-rays emitted in beam-physics experiments. Its high detection efficiency and state-of-the-art position resolution enable it to…

Instrumentation and Detectors · Physics 2021-07-05 Robert Crabbs , I-Yang Lee , Kai Vetter

It is an active topic to investigate the schemes based on machine learning (ML) methods for detecting pulsars as the data volume growing exponentially in modern surveys. To improve the detection performance, input features into an ML model…

Instrumentation and Methods for Astrophysics · Physics 2023-12-27 Haitao Lin , Xiangru Li , Ziying Luo

Early detection of lung cancer is critical for improvement of patient survival. To address the clinical need for efficacious treatments, genetically engineered mouse models (GEMM) have become integral in identifying and evaluating the…

We present a parsimonious and robust machine learning approach for identifying plasma confinement states in fusion power plants (FPPs) where reliable identification of the low-confinement (L-mode) and high-confinement (H-mode) regimes is…

The ATLAS experiment at CERN measures energy of proton-proton (p-p) collisions with a repetition frequency of 40 MHz at the Large Hadron Collider (LHC). The readout electronics of liquid-argon (LAr) calorimeters are being prepared for high…

Instrumentation and Detectors · Physics 2022-04-20 Nemer Chiedde

Determining accurate plasma Doppler (line-of-sight) velocities from spectroscopic measurements is a challenging endeavour, especially when weak chromospheric absorption lines are often rapidly evolving and, hence, contain multiple spectral…

Solar and Stellar Astrophysics · Physics 2021-01-05 Conor D. MacBride , David B. Jess , Samuel D. T. Grant , Elena Khomenko , Peter H. Keys , Marco Stangalini

Interactions of high momentum partons with Quark-Gluon Plasma created in relativistic heavy-ion collisions provide an excellent tomography tool for this new form of matter. Recent measurements for charged hadrons and unidentified jets at…

Nuclear Theory · Physics 2017-11-08 Magdalena Djordjevic

With the development of high-speed readout electronics, the digital pulse shape discrimination (PSD) methods have attracted the attention of more researchers, especially in the field of high energy physics and neutron detection. How to…

Instrumentation and Detectors · Physics 2020-04-22 Jingjun Wen , Jinfu Zhu , Tao Xue , Jirong Cang , Liangjun Wei , Qiyuan Nie , Ming Zeng , Zhi Zeng , Hao Ma , Jianmin Li , Yinong Liu

The GammaTPC is an MeV-scale single-phase liquid argon time-projection-chamber gamma-ray telescope concept with a novel dual-scale pixel-based charge-readout system. It promises to enable a significant improvement in sensitivity to…

Instrumentation and Methods for Astrophysics · Physics 2023-01-25 M. Buuck , A. Mishra , E. Charles , N. Di Lalla , O. Hitchcock , M. E. Monzani , N. Omodei , T. Shutt

The use of deep learning is facilitating a wide range of data processing tasks in many areas. The analysis of fusion data is no exception, since there is a need to process large amounts of data collected from the diagnostic systems attached…

Plasma Physics · Physics 2019-10-30 Diogo R. Ferreira , Pedro J. Carvalho , Horácio Fernandes

This paper presents a novel technique for mitigating electrode backgrounds that limit the sensitivity of searches for low-mass dark matter (DM) using xenon time projection chambers. In the LUX detector, signatures of low-mass DM…

To detect and track structural changes in atomic nuclei, the systematic study of nuclear levels with firm spin-parity assignments is important. While linear polarization measurements have been applied to determine the electromagnetic…

Instrumentation and Methods for Astrophysics · Physics 2024-02-17 S. Go , Y. Tsuzuki , H. Yoneda , Y. Ichikawa , T. Ikeda , N. Imai , K. Imamura , M. Niikura , D. Nishimura , R. Mizuno , S. Takeda , H. Ueno , S. Watanabe , T. Y. Saito , S. Shimoura , S. Sugawara , A. Takamine , T. Takahashi

The LaBr3:Ce scintillator has been widely studied for nuclear spectroscopy because of its optimal energy resolution (<3%@ 662 keV) and time resolution (~300 ps). Despite these promising properties, the intrinsic radiation background of…

Instrumentation and Detectors · Physics 2021-09-03 Ming Zeng , Jirong Cang , Zhi Zeng , Xiaoguang Yue , Jianping Cheng , Yinong Liu , Junli Li

Point-contact p-type high-purity germanium detectors (PPC HPGe) are particularly suited for detection of sub-keV nuclear recoils from coherent elastic scattering of neutrinos or light dark matter particles. While these particles are…

$P$-type high-purity germanium (HPGe) detectors are widely used across many scientific domains, and current data analysis methods have served well in many use cases. However, applications like low-background experiments that search for rare…

Instrumentation and Detectors · Physics 2026-03-10 P. Zhang , W. Dai , Q. Zhang , F. Hagemann , O. Schulz , C. Alvarez-Garcia , L. Yang , Q. Yue , Z. Zeng , J. Cheng , H. Ma

Materials synthesis platforms that are designed for autonomous experimentation are capable of collecting multimodal diagnostic data that can be utilized for feedback to optimize material properties. Pulsed laser deposition (PLD) is emerging…

Materials Science · Physics 2024-11-01 Sumner B. Harris , Christopher M. Rouleau , Kai Xiao , Rama K. Vasudevan