Cross sections for electron scattering from magnesium

Zatsarinny, Oleg; Bartschat, Klaus; Гедеон, С. В.; Gedeon, Viktor; Lazur, V. Yu.; Nagy, Elizabeth

doi:10.1103/physreva.79.052709

Cited by 23 publications

(37 citation statements)

References 23 publications

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“…Angle-differential cross-sections for electron-impact excitation are obtained and described in detail in Zatsarinny et al (2009). In their Fig.…”

Section: Previous Calculationsmentioning

confidence: 99%

“…In Zatsarinny et al (2009), 37 target states were included in the scattering calculations. The configurations, terms, energy levels, and statistical weights g are given in Table 1.…”

Section: Previous Calculationsmentioning

confidence: 99%

“…The numerous optical lines of Mg , including the green b triplet, allow the determination of its abundance in many kinds of stars which is why a good description of its atomic data and especially the inelastic collisions are needed. Zatsarinny et al (2009) lead a very detailed study of angle-differential cross-sections for electron scattering from neutral magnesium using a B-spline R-matrix (BSR) method. However, only results for five collision cross-sections with the ground state were published in this paper, whereas many collision cross-sections were computed.…”

Section: Introductionmentioning

confidence: 99%

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Effective collision strengths between Mg i and electrons

Merle

Thévenin

Zatsarinny

2015

A&A

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The treatment of the inelastic collisions with electrons and hydrogen atoms are the main source of uncertainties in non-Local Thermodynamic Equilibrium (LTE) spectral line computations. We report, in this research note, quantum mechanical data for 369 collisional transitions of Mg  with electrons for temperatures comprised between 500 and 20 000 K. We give the quantum mechanical data in terms of effective collision strengths, more practical for non-LTE studies.

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“…Angle-differential cross-sections for electron-impact excitation are obtained and described in detail in Zatsarinny et al (2009). In their Fig.…”

Section: Previous Calculationsmentioning

confidence: 99%

“…In Zatsarinny et al (2009), 37 target states were included in the scattering calculations. The configurations, terms, energy levels, and statistical weights g are given in Table 1.…”

Section: Previous Calculationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effective collision strengths between Mg i and electrons

Merle

Thévenin

Zatsarinny

2015

A&A

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“…Точнiсть виконаних нами розрахункiв стру-ктури атома Sr (енергiї рiвнiв, хвильовi функцiї) є iстотно вищою у порiвняннi з тими, що викори-стовувалися в попереднiх теоретичних дослiджен-нях розсiяння -Sr (див., наприклад, [19][20][21][22][23]). За-значимо також, що аналогiчнi розрахунки зв'яза-них атомних станiв Са [1] та Mg [3] були виконанi нами не в наближеннi MCHF [15,16], а методом сильного зв'язку з базисними сплайнами, локалi-зованими в -матричному боксi [17]. Проте для атома Sr (заряд ядра = 38) такi розрахунки, як i врахування спiн-орбiтальної взаємодiї, нара-зi виходять за межi наших обчислювальних мож-ливостей.…”

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Electron-Impact Excitation of 51S – 51Po Resonance Transition in Sr Atom

Nagy¹,

Gedeon²,

Гедеон³

et al. 2018

Ukr. J. Phys.

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Викладено основнi аспекти нової версiї методу -матрицi з -сплайнами (BSR), що ґрунтується на використаннi неортогональних орбiталей. Наближення BSR викори-стане для розрахункiв резонансної структури iнтегральних перерiзiв переходу 5при розсiяннi електронiв на атомi стронцiю в областi енергiй до 10 еВ. Для точного представлення хвильових функцiй мiшенi використовувався багатоконфiгура-цiйний метод Хартрi-Фока з неортогональними орбiталями. Розклад у випадку силь-ного зв'язку включав 31 зв'язаний стан атома стронцiю -вiд основного i аж до стану 5 5 1. Отримано добре узгодження розрахованих перерiзiв з наявними експеримен-тальними даними i дана вичерпна теоретична iнтерпретацiя останнiх. Обговорено структуру резонансної особливостi в перерiзах розсiяння -Sr в околi енергiї 4 еВ. К л ю ч о в i с л о в а: атом стронцiю, електрон-атомнi зiткнення, резонансний перехiд, ме-тод -матрицi з -сплайнами, перерiзи розсiяння, резонанси.

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“…Excitation: H (screened Coulomb interactions) (Zhang et al 2010, Zhang et al 2011, He(2 1,3 S) (Wang et al 2009, He, Ne (Kretinin et al 2008), Mg (Zatsarinny et al 2009), Ar (Gargioni & Grosswendt 2008).…”

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confidence: 99%

Division Xii / Commission 14 / Working Group Collision Processes

Peach¹,

Dimitrijević²

2011

Proc. IAU

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Research in atomic and molecular collision processes and spectral line broadening has been very active since our last report, Peach, Dimitrijević & Stancil 2009. Given the large volume of the published literature and the limited space available, we have attempted to identify work most relevant to astrophysics. Since our report can not be comprehensive, additional publications can be found in the databases at the web addresses listed in the final section. Elastic and inelastic collisions among electrons, atoms, ions, and molecules are included and charge transfer can be very important in collisions between heavy particles.

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Cross sections for electron scattering from magnesium

Cited by 23 publications

References 23 publications

Effective collision strengths between Mg i and electrons

Effective collision strengths between Mg i and electrons

Electron-Impact Excitation of 51S – 51Po Resonance Transition in Sr Atom

Division Xii / Commission 14 / Working Group Collision Processes

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