Single and double K -shell vacancy production in slow Xe54+,53+ -Xe collisions

P.-M. Hillenbrand, S. Hagmann, Y.S. Kozhedub, E.P. Benis, C. Brandau, R. J. Chen, D. Dmytriiev, O. Forstner, J. Glorius, R.E. Grisenti, A. Gumberidze, M. Lestinsky, Yu. A. Litvinov, E.B. Menz, T. Morgenroth, S. Nanos, N. Petridis, Ph. Pfafflein, H. Rothard, M.S. SanjariR.S. Sidhu, U. Spillmann, S. Trotsenko, I.I. Tupitsyn, L. Varga, Th. Stöhlker

Research output: Contribution to journalArticlepeer-review

Abstract

We present an experimental and theoretical study of symmetric Xe54+ + Xe collisions at 50, 30, and 15 MeV/u, corresponding to strong perturbations with vK /vp = 1.20, 1.55, and 2.20, respectively (vK is the classical K-shell orbital velocity and vp is the projectile velocity), as well as Xe53+ + Xe collisions at 15 MeV/u. For each of these systems, x-ray spectra are measured under a forward angle of 35◦ with respect to the projectile beam. Target satellite and hypersatellite radiation Kαs 2,1 and Kαhs 2,1, respectively, are analyzed and used to derive cross-section ratios for double-to-single target K-shell vacancy production. We compare our experimental results to relativistic time-dependent two-center calculations.
Original languageEnglish
Article number022810
Pages (from-to)1-8
Number of pages8
JournalPhysical Review A
Volume105
Issue number2
DOIs
Publication statusPublished - 11 Feb 2022

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