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The parametrized equation of state (EOS) of neutron stars is investigated by Bayesian inference method with various constraints from both nuclear physics and modern astronomical observations. The expansion coefficients correspond to the…

Nuclear Theory · Physics 2025-09-04 Xieyuan Dong , Hong Shen , Jinniu Hu , Ying Zhang

Electron microscopy prevalently uses energy-dispersive x-ray spectroscopy (EDS) and electron energy loss spectroscopy (EELS) for elemental analysis. EDS and EELS energy resolutions are commonly between 30-100 eV or 0.01-1 eV, respectively.…

A compact neutron spectrometer based on the liquid scintillator is presented for neutron energy spectrum measurements at the HL-2A tokamak. The spectrometer was well characterized and a fast digital pulse shape discrimination software was…

Instrumentation and Detectors · Physics 2013-06-18 Yuan Xi , Zhang Xing , Xie Xufei , Chen Zhongjing , Peng Xingyu , Fan Tieshuan , Chen Jinxiang , Li Xiangqing , Yuan Guoliang , Yang Jinwei , Yang Qingwei

Time-resolved photoelectron spectroscopy (trPES) can directly detect transient electronic structure, thus bringing out its promising potential to clarify nonequilibrium processes arising in condensed matters. Here we report the result of…

Strongly Correlated Electrons · Physics 2015-05-20 K. Ishizaka , T. Kiss , T. Yamamoto , Y. Ishida , T. Saitoh , M. Matsunami , R. Eguchi , T. Ohtsuki , A. Kosuge , T. Kanai , M. Nohara , H. Takagi , S. Watanabe , S. Shin

Neutron production in lead by cosmic muons has been studied with a Gadolinium doped liquid scintillator detector. The detector was installed next to the Muon-Induced Neutron Indirect Detection EXperiment (MINIDEX), permanently located in…

The KIDS framework for the nuclear equation of state (EoS) and energy density functional (EDF) offers the possibility to explore systematically the effect of EoS parameters on predictions for a variety of observables. The EoS parameters can…

Nuclear Theory · Physics 2021-12-08 Panagiota Papakonstantinou

Mass measurements of fission and projectile fragments, produced via $^{238}$U and $^{124}$Xe primary beams, have been performed with the multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS) of the FRS Ion Catcher with a mass…

Electron energy-loss spectroscopy (EELS) can measure similar information to X-ray, UV-Vis, and IR spectroscopies but with atomic resolution and increased scattering cross sections. Recent advances in electron monochromators have expanded…

Chemical Physics · Physics 2024-04-26 Ye-Jin Kim , Levi D. Palmer , Wonseok Lee , Nicholas J. Heller , Scott K. Cushing

The ICARUS Detector at the LGNS will carry out a sensitive search for a sin sup 2(2 theta sub 13). We describe a small version for the LANNDD proton decay detector (70kT Liquid Argon) to measure nu sub mu -> nu sub e in a low energy or…

Astrophysics · Physics 2008-11-26 David B. Cline , Stanislaw Otwinowski , Franco Sergiampietri

The modeling of many neutron star observables incorporates the microphysics of both the stellar crust and core, which is tied intimately to the properties of the nuclear matter equation of state (EoS). We explore the predictions of such…

High Energy Astrophysical Phenomena · Physics 2015-06-12 W. G. Newton , M. Gearheart , De-Hua Wen , Bao-An Li

Directed and elliptic flows of neutrons and light charged particles were measured for the reaction 197Au+197Au at 400 MeV/nucleon incident energy within the ASY-EOS experimental campaign at the GSI laboratory. The detection system consisted…

A machine learning approach has been implemented to measure the electron temperature directly from the emission spectra of a tokamak plasma. This approach utilized a neural network (NN) trained on a dataset of 1865 time slices from…

Plasma Physics · Physics 2021-04-14 C. M. Samuell , A. G. Mclean , C. A. Johnson , F. Glass , A. E. Jaervinen

In order to measure energy and fluence of neutron fields, with energy ranging from 8 keV to 1 MeV, a new primary standard is being developed at the IRSN (Institute for Radioprotection and Nuclear Safety). This project, micro-TPC (Micro Time…

Instrumentation and Detectors · Physics 2014-10-29 D. Maire , J. Billard , G. Bosson , O. Bourrion , O. Guillaudin , J. Lamblin , L. Lebreton , F. Mayet , J. Médard , J-F. Muraz , J-P. Richer , Q. Riffard , D. Santos

In this work, we present the implementation of all-optical method for directly measuring electron pulse duration in an ultrafast scanning electron microscope. Our approach is based on the interaction of electrons with the ponderomotive…

By numerically inverting the Tolman-Oppenheimer-Volkov (TOV) equation using an explicitly isospin-dependent parametric Equation of State (EOS) of dense neutron-rich nucleonic matter, a restricted EOS parameter space is established using…

Nuclear Theory · Physics 2019-03-18 Nai-Bo Zhang , Bao-An Li

This letter explains a new, highly sensitive method for the detection of neutrons, which uses the T$_{1/2}=845$ ns delay in the decay of $^{128}$I at the 137.8 keV energy level, resulting from the capture of thermal neutrons by iodine…

Instrumentation and Detectors · Physics 2017-03-08 E. Yakushev , S. Rozov , A. Drokhlyansky , D. Filosofov , Z. Kalaninova , V. Timkin , D. Ponomarev

The principle of operation, design, registration system and main characteristics of a fast neutrons spectrometer are described. The spectrometer is intended for direct measurements of ultra low fluxes of fast neutrons. It is sensitive to…

Instrumentation and Detectors · Physics 2009-09-25 J. N. Abdurashitov , V. N. Gavrin , A. V. Kalikhov , A. A. Shikhin , V. E. Yants , O. S. Zaborsky

Light scattering detection in the near field, a rapidly expanding family of scattering techniques, has recently proved to be an appropriate procedure for performing dynamic measurements. Here we report an innovative algorithm, based on the…

A new approach for few-femtosecond time-resolved photoelectron spectroscopy in condensed matter that balances the combined needs for both temporal and energy resolution is demonstrated. Here, the method is designed to investigate a…

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