Linear polarization fractions of Fulcher-<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>α</mi></math> fluorescence in electron collisions with <math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi mathvariant="normal">H</mi><mn>2</mn></msub></math>

Liam H. Scarlett; Una S. Rehill; Mark C. Zammit; Klaus Bartschat; Igor Bray; Dmitry V. Fursa

doi:10.1103/PhysRevA.104.L040801

Letter

Linear polarization fractions of Fulcher- $α$ fluorescence in electron collisions with $H_{2}$

Liam H. Scarlett ^1,*, Una S. Rehill¹, Mark C. Zammit ², Klaus Bartschat ³, Igor Bray ¹, and Dmitry V. Fursa ¹

¹Curtin Institute for Computation and Department of Physics, Astronomy and Medical Radiation Sciences, Curtin University, Perth, Western Australia 6102, Australia
²Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
³Department of Physics and Astronomy, Drake University, Des Moines, Iowa 50311, USA

^*liam.scarlett@postgrad.curtin.edu.au

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Phys. Rev. A 104, L040801 – Published 12 October, 2021

DOI: https://doi.org/10.1103/PhysRevA.104.L040801

Abstract

We apply the molecular convergent close-coupling method to the calculation of linear polarization fractions for Fulcher-band fluorescence following electron-impact excitation of the $H_{2}$ $d^{3} Π_{u}$ state. The results exhibit the opposite threshold behavior compared to the only previous calculations [Meneses, Brescansin, Lee, Michelin, Machado, and Csanak, Phys. Rev. A 52, 404 (1995)], but are in agreement with the most recent measurements for the $Q (1),$ $R (1),$ and $Q (3)$ transitions [Maseberg, Bartschat, and Gay, Phys. Rev. Lett. 111, 253201 (2013)].

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Linear polarization fractions of Fulcher- $α$ fluorescence in electron collisions with $H_{2}$

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Linear polarization fractions of Fulcher-α fluorescence in electron collisions with H2

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Linear polarization fractions of Fulcher- $α$ fluorescence in electron collisions with $H_{2}$