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Electron capture of Xe54+ in collisions with H2 molecules in the energy range between 5.5 and 30.9 MeV/u

  • The electron-capture process was studied for Xe54+ colliding with H2 molecules at the internal gas target of the Experimental Storage Ring (ESR) at GSI, Darmstadt. Cross-section values for electron capture into excited projectile states were deduced from the observed emission cross section of Lyman radiation, being emitted by the hydrogenlike ions subsequent to the capture of a target electron. The ion beam energy range was varied between 5.5 and 30.9 MeV/u by applying the deceleration mode of the ESR. Thus, electron-capture data were recorded at the intermediate and, in particular, the low-collision-energy regime, well below the beam energy necessary to produce bare xenon ions. The obtained data are found to be in reasonable qualitative agreement with theoretical approaches, while a commonly applied empirical formula significantly overestimates the experimental findings.

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Author:Felix Martin KrögerORCiD, Günter WeberORCiDGND, Marc Oliver HerdrichORCiD, Jan GloriusORCiDGND, Christoph LangerGND, Zuzana SlavkovskáORCiDGND, Lukas BottORCiD, Carsten BrandauORCiD, Benjamin BrücknerORCiDGND, Klaus BlaumGND, Xin Chen, Saed DababnehORCiD, Thomas DavinsonORCiD, Philipp ErbacherORCiDGND, Stefan FiebigerGND, Tobias GaßnerGND, Kathrin GöbelORCiDGND, Mathias Groothuis, Alexandre GumberidzeORCiDGND, György GyürkyORCiD, Siegbert HagmannORCiDGND, Christoph Hahn, Michael Heil, Regina HeßORCiD, Roman Hensch, Paula HillmannORCiD, Pierre-Michel HillenbrandORCiDGND, Ole Djürko HinrichsGND, Beatriz Jurado ApruzzeseORCiD, Tanja Kausch, Anahita Khodaparast, Timo KisselbachORCiD, Nadine Klapper, Christopher Kozhuharov, Cem Deniz KurtulgilGND, Gregory J. LaneORCiD, Claudia Lederer-Woods, Michael LestinskyORCiDGND, Sergey A. LitvinovGND, Yuri A. LitvinovORCiDGND, Bastian LöherORCiDGND, Fritz Nolden, Nikolaos PetridisGND, Ulrich Popp, Matthew ReedGND, René ReifarthORCiDGND, Mohammad Shahab SanjariORCiDGND, Haik SimonGND, Uwe SpillmannORCiDGND, Markus Steck, Julia Stumm, Tamas SzücsORCiD, Thien Tam Nguyen, Ashkan Taremi Zadeh, Benedikt Thomas, Sergey Yu. TorilovORCiD, Hans Toshihide TörnqvistORCiD, Christian TrageserGND, Sergiy TrotsenkoGND, Meiko VolknandtORCiDGND, Mario WeigandORCiDGND, Clemens WolfGND, Philip John Woods, Vjačeslav P. ŠevelʹkoGND, Thomas StöhlkerORCiDGND
URN:urn:nbn:de:hebis:30:3-623012
DOI:https://doi.org/10.1103/PhysRevA.102.042825
ISSN:2469-9934
Parent Title (English):Physical Review A
Publisher:Elsevier
Place of publication:Amsterdam [u.a.]
Document Type:Article
Language:English
Date of Publication (online):2020/10/30
Date of first Publication:2020/10/30
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2022/10/27
Tag:Accelerators & Beams; Accelerators & storage rings; Atomic & molecular beams; Atomic, Molecular & Optical; Beam loss; Charge-transfer collisions; Circular accelerators; Electronic transitions; Low & intermediate-energy accelerators; Photon counting; x-ray techniques
Volume:102
Issue:4, art. 042825
Article Number:042825
Page Number:9
First Page:1
Last Page:9
Note:
This project has received funding from the European Research Council (ERC) under the European Union’s Hori-zon 2020 research and innovation programme (Grant No. 682841 “ASTRUm”). Moreover, this work was supported by the Helmholtz International Center for FAIR (HIC for FAIR), by the Bundesministerium für Bildung und Forschung (BMBF) (Grants No. 05P15RFFAA and No. 05P15RGFAA), by the Science and Technology Facilities Council (STFC) UK (Grants No. ST/L005824/1, No. ST/M001652/1, and No. ST/M006085), by the Helmholtz-CAS Joint Research Group (Grant No. HCJRG-108), and by the Helmholtz-OCPC Postdoctoral Program 2017 (Grant No. GSI08). F.M.K. acknowledges support by the BMBF Verbundprojekt 05P2018 (Grant No. ErUM-FSP T05). C.L.W. acknowledges support by the European Research Council (Grant No. ERC-2015- StG Nr. 677497 “DoRES”). S.D. gratefully acknowledges the support provided by the Alexander von Humboldt Foundation and the Jordanian Scientific Research Support Fund under Grant No. Bas/2/4/2014. S.Yu.T. acknowledges the support by the DAAD through a Mendeleev grant, SPbU (Grant No. 28999675). Yu.A.L. acknowledges the support by the DAAD through Programm des Projektbezogenen Personenaustauschs (PPP) with China [Project ID 57389367]. T.S. acknowledges support from the Helmholtz Association (Grant No. ERC-RA- 0016).
HeBIS-PPN:502259299
Institutes:Physik / Physik
Forschungscluster / ELEMENTS
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International