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We have performed quasielastic and inelastic neutron scattering (QENS and INS) measurements from 300 K to 1173 K to investigate the Na-diffusion and underlying host dynamics in Na2Ti3O7. The QENS data show that the Na atoms undergo…

PAMELA and, more recently, AMS-02, are ushering us into a new era of greatly reduced statistical uncertainties in experimental measurements of cosmic-ray fluxes. In particular, new determinations of traditional diagnostic tools such as the…

High Energy Astrophysical Phenomena · Physics 2015-07-22 Y. Genolini , A. Putze , P. Salati , P. D. Serpico

Within the Bayesian statistical framework we infer the incompressibility $K_0$, skewness $J_0$ and kurtosis $Z_0$ parameters of symmetric nuclear matter (SNM) at its saturation density $\rho_0$ using the constraining bands on the pressure…

Nuclear Theory · Physics 2021-01-19 Wen-Jie Xie , Bao-An Li

Based on the distribution of tidal deformabilities and component masses of binary neutron star merger GW170817, the parametric equation of states (EOS) are employed to probe the nuclear symmetry energy and the properties of neutron star. To…

Nuclear Theory · Physics 2021-01-22 Yuxi Li , Houyuan Chen , Dehua Wen , Jing Zhang

This work aims to address the technical concerns related to the thermodynamic characterization of gas mixtures blended with hydrogen for the implementation of hydrogen as a new energy vector. For this purpose, new experimental speed of…

We implement the Bayesian inference to retrieve energy spectra of all neutrinos from a galactic core-collapse supernova (CCSN). To achieve high statistics and full sensitivity to all flavours of neutrinos, we adopt a combination of several…

High Energy Physics - Phenomenology · Physics 2023-09-26 Xu-Run Huang , Chuan-Le Sun , Lie-Wen Chen , Jun Gao

Using an explicitly isospin-dependent parametric Equation of State (EOS) for the core of neutron stars (NSs) within the Bayesian statistical approach, we infer the EOS parameters of super-dense neutron-rich nuclear matter from three sets of…

High Energy Astrophysical Phenomena · Physics 2020-08-07 Wen-Jie Xie , Bao-An Li

Averaged plasma parameters such as electron distribution function and electron density are determined by characterization of high frequency (2.4 GHz) nitrogen-plasma using both experimental methods, namely optical emission spectroscopy…

Plasma Physics · Physics 2012-02-16 Priyadarshini Rajasekaran , Cornelia Ruhrmann , Nikita Bibinov , Peter Awakowicz

We present a Bayesian analysis to constrain the equation of state of dense nucleonic matter by exploiting the available data from symmetric nuclear matter at saturation and from observations of compact X-ray sources and from the…

High Energy Astrophysical Phenomena · Physics 2020-07-23 Silvia Traversi , Prasanta Char , Giuseppe Pagliara

The characteristics of the particle emitting source are deduced from low transverse momentum identified hadron spectra (transverse mass less than 1 GeV) and HBT radii using a hydrodynamic interpretation. From the most peripheral to the most…

Nuclear Experiment · Physics 2009-11-07 J. M. Burward-Hoy

We present a new method of matching observations of Type I (thermonuclear) X-ray bursts with models, comparing the predictions of a semi-analytic ignition model with X-ray observations of the accretion-powered millisecond pulsar SAX…

High Energy Astrophysical Phenomena · Physics 2019-10-02 A. J. Goodwin , D. K. Galloway , A. Heger , A. Cumming , Z. Johnston

Measuring neutron star radii with spectroscopic and timing techniques relies on the combination of multiple observables to break the degeneracies between the mass and radius introduced by general relativistic effects. Here, we explore a…

High Energy Astrophysical Phenomena · Physics 2015-10-21 Feryal Ozel , Dimitrios Psaltis

Preliminary results of neutron spectra measurements from Pb, W, and Na targets irradiated by 0.8 and 1.6 GeV protons are presented. Measurements have been carried out using the proton beam extracted from the ITEP synchrotron and the TOF…

The complex nature of inertial confinement fusion (ICF) experiments results in a very large number of experimental parameters that are only known with limited reliability. These parameters, combined with the myriad physical models that…

Plasma Physics · Physics 2015-06-15 Jim A Gaffney , Dan Clark , Vijay Sonnad , Stephen B Libby

We study barrier discharges in CO$_2$ using optical emission spectroscopy and electrical measurements. We record the spectra of weak CO$_2$ barrier discharge emission in UV-VIS-NIR range. The CO spectral bands of 3rd positive, Angstrom and…

Plasma Physics · Physics 2024-10-10 Tomáš Hoder , David Prokop , Corentin Bajon , Simon Dap , Zdeněk Navrátil , Nicolas Naudé

Relativistic shock models of gamma-ray bursts may be tested by comparison of their predicted low energy asymptotic spectral indices s to observations. Synchrotron radiation theory predicts that the instantaneous spectrum has s = - 1/3 and…

Astrophysics · Physics 2009-10-30 E. Cohen , J. I. Katz , T. Piran , R. Sari , R. D. Preece , D. L. Band

We perform a systematic analysis of neutron star radius constraints from five quiescent low-mass X-ray binaries and examine how they depend on measurements of their distances and amounts of intervening absorbing material, as well as their…

High Energy Astrophysical Phenomena · Physics 2014-03-20 James M. Lattimer , Andrew W. Steiner

The diverse measured data base of n+243Am was evaluated using a statistical theory and genera-lized least squares codes. Consistent description of total, capture and fission measured data provides an important constraint for the inelastic…

Nuclear Theory · Physics 2024-05-29 V. M Maslov , V. G. Pronyaev , N. A. Tetereva , K. I. Zolotarev

To more precisely constrain the Equation of State (EOS) of supradense neutron-rich nuclear matter, future high-precision X-ray and gravitational wave observatories are proposed to measure the radii of neutron stars (NSs) with an accuracy…

High Energy Astrophysical Phenomena · Physics 2024-11-27 Bao-An Li , Xavier Grundler , Wen-Jie Xie , Nai-Bo Zhang

We carry out a systematic analysis of angular distribution measurements for selected ground-state to ground-state (d,p) and (p,d) neutron transfer reactions, including the calcium isotopes. We propose a consistent three-body model reaction…

Nuclear Experiment · Physics 2008-11-26 Jenny Lee , J. A. Tostevin , B. A. Brown , F. Delaunay , W. G. Lynch , M. J. Saelim , M. B. Tsang