Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session K00: Poster Session II (4pm-6pm CDT)
4:00 PM,
Wednesday, June 5, 2024
Room: Hall BC
Abstract: K00.00013 : Elastic positron and electron scattering from helium using a one-electron model potential*
Presenter:
Cody M DeMars
(University of North Texas)
Authors:
Cody M DeMars
(University of North Texas)
Sandra J Ward Quintanilla
(University of North Texas)
Peter Van Reeth
(University College London)
Currently, we are using the one-electron model potential for elastic electron-helium scattering. Using the Kohn and inverse Kohn variational methods we are calculating the S-wave phase shifts and we plan to compute the P-wave. Using these phase shifts and the D- and F-wave partial waves evaluated from the O’Malley et al. ERT we plan to compute cross sections for electron-helium scattering and to compare them with the corresponding ones for positron scattering.
[1] J. T. Dunn, P. Van Reeth, J. W. Humberston, and G. Peach, J. Phys. B 33, 2589 (2000).
[2] G. Peach, Private Communications (2014, 2022).
[3] T. O’Malley, L. Spruch, and L. Rosenburg, J. Math Phys. 2, 4 (1961).
[4] P. Van Reeth and J. W. Humberston, J. Phys. B 32, 3651 (1999).
*S. J. W. gratefully acknowledges support from the NSF under Grant No. PHYS-2207886.The North Texas Scientific Computing (NTSC), a division under the office of the CIO at University of North Texas, is acknowledged for providing Talon computational resources.
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