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Accurate and comprehensive atomic data are essential for the modelling of stellar spectra. Uncertainties in the oscillator strengths of specific lines used for abundance analyses directly translate into uncertainties in the derived…

Atomic Physics · Physics 2026-02-03 W. Li , A. M. Amarsi , P. Jönsson

In this document, experimental nuclear structure data are evaluated for 15Be. The details of each reaction populating 15Be levels are compiled and evaluated. The combined results provide a set of adopted values that include level energies,…

Nuclear Experiment · Physics 2025-11-14 K. Setoodehnia , J. H. Kelley

The paper introduces a simple quantum model to calculate in a general way allowed frequencies and energy levels of the anharmonic oscillator. The theoretical basis of the approach has been introduced in two early papers aimed to infer the…

Quantum Physics · Physics 2011-05-19 Sebastiano Tosto

In the first section we present the atomic part where a C2+ atomic target was prepared and used to generate theoretical data to investigate recombination lines arising from electron-ion collisions in thin plasma. R-matrix method was used to…

Atomic Physics · Physics 2012-11-07 Taha Sochi

We present extensive calculations of radiative transition rates and electron impact collision strengths for Fe II. The data sets involve 52 levels from the $3d\,^7$, $3d\,^64s$, and $3d\,^54s^2$ configurations. Computations of $A$-values…

We have built a line list in the near-infrared J and H bands (1.00-1.34, 1.49-1.80 um) by gathering a series of laboratory and computed line lists. Oscillator strengths and damping constants were computed or obtained by fitting the solar…

Astrophysics · Physics 2008-11-26 Jorge Melendez , Beatriz Barbuy

Efforts to extract information on magnitude and density dependence of the nuclear symmetry energy are discussed. The utilized data include those on mass dependence of the excitation energies to the isobaric analog states of ground states,…

Nuclear Theory · Physics 2010-03-23 P. Danielewicz

The article is an historical overview of some of the major contributions from different areas of Science with which, for centuries, it has been built up a scientific, sound and consistent vision of the atom. Some experiments that led us to…

History and Philosophy of Physics · Physics 2021-09-22 Francisco Caruso , Vitor Oguri

A set of theoretical results [1-10] is reviewed, which concern calculations of energy spectra, density of energy levels, spin polarization, transport and optical properties (infrared absorption, luminescence) of semiconductor quantum dots…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Augusto Gonzalez

Spectroscopic studies of Planetary Nebulae (PNe) and H {\sc ii} regions have driven much development in atomic physics. In the last few years the combination of a generation of powerful observatories, the development of ever more…

Astrophysics · Physics 2009-06-23 Manuel A. Bautista

When the atoms of a dimer remain most of the time very far apart, in so-called long-range molecular states, their mutual interaction is ruled by plain atomic properties. The high-resolution spectroscopic study of some molecular excited…

Atomic Physics · Physics 2015-05-13 Nadia Bouloufa , Anne Crubellier , Olivier Dulieu

In this document, experimental nuclear structure data are evaluated for 16Be. The details of each reaction populating 16Be levels are compiled and evaluated. The combined results provide a set of adopted values that include level energies,…

Nuclear Experiment · Physics 2025-11-14 K. Setoodehnia , J. H. Kelley

We present an updated version of the 2015-Atlas of Nuclear Isomers \cite{jain2015}, compiling and evaluating experimental data for the isomers with half-life $\ge 10$ $\it{ns}$, together with their spectroscopic properties such as…

Nuclear Theory · Physics 2023-01-25 Swati Garg , Bhoomika Maheshwari , Balraj Singh , Yang Sun , Alpana Goel , Ashok Kumar Jain

Atomic physics techniques for the determination of ground-state properties of radioactive isotopes are very sensitive and provide accurate masses, binding energies, Q-values, charge radii, spins, and electromagnetic moments. Many fields in…

Atomic Physics · Physics 2015-06-11 Klaus Blaum , Jens Dilling , Wilfried Nörtershäuser

Energy levels, electric dipole transition probabilities and oscillator strengths in five times ionized silicon have been calculated in intermediate coupling. The present calculations were carried out with the general purpose…

In this paper, we use density functional theory to calculate the electronic structure and properties of 46 metallic and semi-metallic elements. The binding energy and bond charge model (BBC) model is combined with the tight binding and…

Materials Science · Physics 2023-06-21 Liangjing Ge , Maolin Bo

The current report covers the period from the second half of 2003 to the first half of 2011, bringing the Working Group's efforts up to date, and is divided into three main sections covering rotational, vibrational, and electronic…

Solar and Stellar Astrophysics · Physics 2012-11-08 Steven R. Federman , Peter F. Bernath , Holger S. P. Mueller

My talk will consist of three parts: (a) what every atomic physicist needs to know about the physics of light nuclei [and no more]; (b) what nuclear physicists can do for atomic physics; (c) what atomic physicists can do for nuclear…

Nuclear Theory · Physics 2010-05-27 J. L. Friar

Calculations of the positron binding energies to all atoms in the periodic table are presented and atoms where the positron-atom binding actually exists are identified. The results of these calculations and accurate calculations of other…

Atomic Physics · Physics 2015-06-16 C. Harabati , V. A. Dzuba , V. V. Flambaum

Partition functions and dissociation equilibrium constants are presented for 291 diatomic molecules for temperatures in the range from near absolute zero to 10000 K, thus providing data for many diatomic molecules of astrophysical interest…

Instrumentation and Methods for Astrophysics · Physics 2016-03-23 Paul S. Barklem , Remo Collet