Accès ouvert déclaré
2025
preprint
Spectrometry of Captured Highly Charged Ions Produced Following Antiproton Annihilations
F. P. Gustafsson, Marco Volponi, J. Zieliński, A. Asare, Ing‐Shouh Hwang, Sara Campos, M. Auzins, Dipika Bhanushali, Ashwin Bhartia, Michael Berghold, R. S. Brusa, Krzysztof Calik, A. Camper, R. Caravita, F. Castelli, G. Cerchiari, Ahmad Chehaimi, Sankarshan Choudapurkar, R. Ciuryło, Philippe Le Conte, G. Consolati, M. Doser, R.L. Ferguson, Matthias Germann, Anna Giszczak, L. T. Glöggler, L. K. Graczykowski, Małgorzata Grosbart, F. Guatieri, Natali Gusakova, S. Haider, S. Ḣuck, Christoph Hugenschmidt, Małgorzata Jakubowska, M. A. Janik, G. Kasprowicz, K. Kempny, G. Khatri, A. Kisiel, Ł. Kłosowski, G. Kornakov, V. Krumins, L. Lappo, A. Linek, S. Mariazzi, P. Moskal, M. Münster, Piyush Pandey, L. Penasa, M. Piwiński, F. Prelz, T. Rauschendorfer, Bharat Singh Rawat, B. Rienäcker, V. Rodin, H. Sandaker, S. Sharma, Tomasz Sowiński, Estere Teberga, Mira Tockner, Carsten Welsch, M. Zawada, N. Zurlo
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Le résumé fourni par la source
We report a proof-of-principle study demonstrating the first capture and time-of-flight spectrometry of highly charged ions (HCIs) produced following antiproton annihilations in a Penning-Malmberg trap. A multi-step nested-trap technique was developed using the \aegis\ experiment to identify annihilation-linked captured ions. The trapping and spectrometry of helium and argon ions demonstrates the approach. This work establishes a foundation for the in-trap synthesis of radioactive HCIs and the study of cold nuclear annihilation fragments, with the long-term goal of enabling a sensitive tool for probing the outer nuclear periphery.
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Les sujets associés
Mass Spectrometry Techniques and ApplicationsIon-surface interactions and analysisAtomic and Molecular Physics