Köln 2025 – scientific programme
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MS: Fachverband Massenspektrometrie
MS 5: Poster
MS 5.1: Poster
Tuesday, March 11, 2025, 17:30–19:00, Foyer Physik
An experimental setup to study collisions of molecular ions using the 4k-pixel microcalorimeter detector MOCCA and follow-up integration into the Cryogenic Storage Ring CSR — •Selina Gaisser1, Christian Enss2, Andreas Fleischmann2, Lisa Gamer1, Oded Heber3, Daniel Hengstler2, Christopher Jakob3, Daniel Kreuzberger2, Ansgar Lowack2, Abdullah Özkara2, Micheal Rappaport3, Andreas Reifenberger2, Dennis Schulz2, Abhishek Shahi3, Yoni Toker4, Andreas Wolf1, and Oldřich Novotný1 — 1MPIK Heidelberg — 2KIP Heidelberg University — 3Weizmann Institute of Science, Rehovot, Israel — 4Bar-Ilan University, Ramat Gan, Israel
One key process for the formation of over 300 molecular species detected in the InterStellar Medium (ISM) is Dissociative Recombination (DR). For a better understanding of this reaction, experimental studies under conditions similar to those in the ISM are necessary. A facility capable of such conditions and measurements is the electrostatic Cryogenic Storage Ring (CSR) at the Max Planck Institute for Nuclear Physics in Heidelberg. To obtain precise data, a detector which collects neutral DR products with high energy, time and position resolution is essential. Therefore, the 4k-pixel MOleCule Camera Array (MOCCA) based on Metallic Magnetic Calorimeters was designed and fabricated at the Kirchhoff Institute for Physics in Heidelberg. MOCCA will first be implemented in a CSR-independent standalone setup, where collisions between ions and a gas jet will be studied. The current status of the project will be presented.
Keywords: Storage rings; Mass spectroscopy; Microcalorimeter; Detector; Dissociative Recombination