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Rostock 2019 – scientific programme

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A: Fachverband Atomphysik

A 10: Highly charged ions and their applications

A 10.3: Talk

Monday, March 11, 2019, 16:45–17:00, S HS 3 Physik

Direct determination of ion numbers and energies by a single-pass non-destructive charge counter — •Markus Kiffer1, Stefan Ringleb1, Nils Stallkamp1,2, Sugam Kumar3, Ilya Blinov4, Manuel Vogel2, Stefan Stahl5, Wolfgang Quint2,6, Thomas Stöhlker1,2,7, and Gerhard G. Paulus1,71Institut für Optik und Quantenelektronik, Friedrich-Schiller-Universität, 07743 Jena, Germany — 2GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany — 3Inter-University Accelerator Centre, 110067 New Delhi, India — 4Fachbereich Physik, Technische Universität Darmstadt, 64289 Darmstadt, Germany — 5Stahl Electronics, 67582 Mettenheim, Germany — 6Physikalisches Institut, Ruprecht Karls-Universität Heidelberg, 69120 Heidelberg, Germany — 7Helmholtz-Institut Jena, 07743 Jena, Germany

The HILITE Penning trap will provide well-defined ion targets to investigate laser-matter interactions in both the high-intensity and high-energy regime with highly-charged ions. For ion counting we have implemented two distinct single-pass non-destructive charge counters. They measure the time-dependent image charge induced by an ion bunch. From these signals we can directly extract the kinetic energy, the number of ions and the bunch length. We will show a brief overview of the HILITE experiment and present the implemented ion counting technique with detailed characterization results. Here we will focus on the sensitivity of the device and the minimum detectable number of ions. Furthermore, we will outline actions to further increase the signal-to-noise ratio to be even sensitive to less than ten ions per bunch.

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