BEAMDB and MOLD—Databases at the Serbian Virtual Observatory for Collisional and Radiative Processes

Marinković, B P; Srećković, Vladimir A.; Vujčić, Veljko; Ivanović, Stefan; Uskoković, Nebojša; Nešić, Milutin; Ignjatović, Lj. M.; Jevremović, D.; Dimitrijević, M. S.; Mason, Nigel J.

doi:10.3390/atoms7010011

Cited by 8 publications

(7 citation statements)

References 82 publications

(108 reference statements)

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“…In Figure 1 , the present theoretical and experimental DCSs for all six incident electron energies are shown graphically. For the sake of comparison, other authors’ data [ 16 , 23 , 24 , 27 , 28 , 29 , 30 , 31 ], listed in Table 1 , are shown in the same figure.…”

Section: Resultsmentioning

confidence: 99%

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Elastic Electron Scattering from Methane Molecule in the Energy Range from 50–300 eV

Vukalović

Maljković

Tőkési

et al. 2021

IJMS

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Electron interaction with methane molecule and accurate determination of its elastic cross-section is a demanding task for both experimental and theoretical standpoints and relevant for our better understanding of the processes in Earth’s and Solar outer planet atmospheres, the greenhouse effect or in plasma physics applications like vapor deposition, complex plasma-wall interactions and edge plasma regions of Tokamak. Methane can serve as a test molecule for advancing novel electron-molecule collision theories. We present a combined experimental and theoretical study of the elastic electron differential cross-section from methane molecule, as well as integral and momentum transfer cross-sections in the intermediate energy range (50–300 eV). The experimental setup, based on a crossed beam technique, comprising of an electron gun, a single capillary gas needle and detection system with a channeltron is used in the measurements. The absolute values for cross-sections are obtained by relative-flow method, using argon as a reference. Theoretical results are acquired using two approximations: simple sum of individual atomic cross-sections and the other with molecular effect taken into the account.

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Section: Resultsmentioning

confidence: 99%

“…Elastic electron scattering from methane molecule has been studied intensely in the past, and the most recent review of elastic differential cross-sections is given in [ 16 ]. Recommended set of data for electron/methane interactions is given by Song et al [ 17 ].…”

Section: Introductionmentioning

confidence: 99%

Elastic Electron Scattering from Methane Molecule in the Energy Range from 50–300 eV

Vukalović

Maljković

Tőkési

et al. 2021

IJMS

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“…These figures show that exist a noticeable difference between temperature dependence of the mean thermal photo-ionization cross section and the corresponding spectral rate coefficient. The results obtained during this investigation will be implemented in the MolD database (Vujčić et al, 2015;Marinković et al, 2017Marinković et al, , 2019.…”

Section: Resultsmentioning

confidence: 99%

Photoionization of the alkali molecular ions in geo-cosmical plasmas

Ignjatović¹,

Srećković²,

Dimitrijević³

2020

caosp

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Opacities of the solar and stellar atmospheres are caused by a large number of radiative processes. Within development of more sophisticated stellar atmosphere models, we can further investigate known processes and include all processes not considered before. We calculate the average cross-section and rate coefficients for the photodissociation of the alkali molecular ions Li + 2 , Na + 2 and LiNa + ready for further use with a particular accent to the applications for astro plasma research and low temperature laboratory plasma research.

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“…The node is hosted at the Belgrade Astronomical Observatory (http://servo.aob.rs/mold). It has enabled fairly easy access to data (in tabulated and graphical form) of thermally averaged photodissociation cross sections across the available spectrum at a requested temperature in order to facilitate atmospheric modelling and other numerical calculations [112]. Future plans are to include new (i.e., complex) molecules of astrophysical importance.…”

Section: Moldmentioning

confidence: 99%

“…The interactions of electrons with atoms and molecules are presented as both differential and integral cross sections for processes such as elastic scattering, excitation and ionisation [113]. Since the previous review of VAMDC [3], a considerable volume of new collisional data on metal atom targets has been included from the published sources (e.g., for bismuth [114] or zinc [115]) and selected molecules (e.g., for methane [112] or nitrous oxide [32]). Curation and maintenance of electron collisional data is relevant in many research areas such as astrophysics [116], plasma [117], radiation damage [118] or in lighting applications [119].…”

Section: Beamdbmentioning

confidence: 99%

A Decade with VAMDC: Results and Ambitions

Albert

Antony

et al. 2020

Atoms

Self Cite

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This paper presents an overview of the current status of the Virtual Atomic and Molecular Data Centre (VAMDC) e-infrastructure, including the current status of the VAMDC-connected (or to be connected) databases, updates on the latest technological development within the infrastructure and a presentation of some application tools that make use of the VAMDC e-infrastructure. We analyse the past 10 years of VAMDC development and operation, and assess their impact both on the field of atomic and molecular (A&M) physics itself and on heterogeneous data management in international cooperation. The highly sophisticated VAMDC infrastructure and the related databases developed over this long term make them a perfect resource of sustainable data for future applications in many fields of research. However, we also discuss the current limitations that prevent VAMDC from becoming the main publishing platform and the main source of A&M data for user communities, and present possible solutions under investigation by the consortium. Several user application examples are presented, illustrating the benefits of VAMDC in current research applications, which often need the A&M data from more than one database. Finally, we present our vision for the future of VAMDC.

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BEAMDB and MOLD—Databases at the Serbian Virtual Observatory for Collisional and Radiative Processes

Cited by 8 publications

References 82 publications

Elastic Electron Scattering from Methane Molecule in the Energy Range from 50–300 eV

Elastic Electron Scattering from Methane Molecule in the Energy Range from 50–300 eV

Photoionization of the alkali molecular ions in geo-cosmical plasmas

A Decade with VAMDC: Results and Ambitions

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