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Physik-Institut Group of Laura Baudis

News

12.03.2024: Diego Ramírez obtained the 2024 XENON award

As every year, the XENON collaboration awards its prizes to the members that have made particularly outstanding contributions to the experiment. This year, the XENON collaboration has recognised the work of our postdoc Diego Ramírez by awarding him the XENON 2024 prize "for his leadership and extraordinary contributions and dedication to the Monte Carlo simulation software". Diego performs an essential role within the collaboration since he is one of the coordinators of the simulation team. His excellent work has been acknowledged by the collaboration in the form of this annual award. Congratulations!

01.02.2024 DARWIN cosmogenic background paper published

Our work on the impact that the cosmogenic background can have on the search of rare physics channels with DARWIN has been published in EPJC. DARWIN is a proposed experiment that, in its baseline design, consists of a Time Projection Chamber (TPC)  immersed in 40 tons of liquid xenon. The low intrinsic background of the system makes DARWIN sensitive to rare physics channels, such as WIMP detection or neutrinoless double beta decay, among others. However, the cosmic muons are always crossing the detector and are a source of background that cannot be fully suppressed, but mitigated by placing the detector underground. The location of the experiment has not yet been decided and simulations are crucial to estimate the impact of the cosmogenic background in the search of these physics channels. In this paper, we present a study of this background for several underground laboratories that are suitable locations for the DARWIN experiment.

23.10.2023 Dectris Award for Livio Redard-Jacot

The work of our former master student Livio Redard-Jacot was awarded the “Best Master Thesis in Experimental Physics at UZH”, sponsored by Detrics Ltd. The award is given annually to the best thesis in experimental physics of the year and determined by a panel of internal and external experts to UZH. Livio worked on the electric field characterization in XENONnT and the search for radiation from wave function collapse under the supervision of Dr. Christian Wittweg. At the award ceremony, the panel of juries highlighted the “high impact of the work on the field” and “how well the thesis is written, explaining complex concepts in an comprehensible and accurate way”. Congratulations, Livio!

 

16-17.10.2023 Success at Interdisciplinary Symposium: Marta Babicz's Poster Award

We are delighted to share our participation in the Symposium University of Tokyo – ETH Zurich – University of Zurich, Interdisciplinary Strategic Partnership Tokyo - Zurich, held on 16-17 October 2023 at ETH Zürich, Hönggerberg Siemens Auditorium. The event united groups from various fields, including Architecture, Education, Plant Biology, Particle Physics, Digital Economies, Physical Chemistry, and Biomedical Imaging/Chemical Biology. Notably, our colleagues Diego Ramirez Garcia and Marta Babicz presented their work. Marta's poster, 'From LEGEND to Reality: Cracking the Code of Creation,' received recognition as the first prize winner for the best flash talk and poster among 31 participants. This symposium provided a valuable opportunity for learning and networking with fellow researchers and industry professionals. We look forward to future events and extend our gratitude to all who contributed to its success.

 

12.10.2023: PhD awarded to Gabriela Rodrigues Araujo

Congratulations to Dr. Gabriela R. Araujo who successfully defended her Ph.D. thesis this October. During her thesis, Gabriela worked on the GERDA and on the LEGEND-200 experiments at LNGS, as well as on MONUMENT and PALEOCCENE.  In particular, Gabriela investigated the background in the GERDA phase II data and contributed to the development, construction, and characterization of the wavelength-shifting reflector of the liquid argon veto in LEGEND-200, leading to an enhancement in the light collection efficiency, and thus background suppression. Gabriela also contributed to hardware and data analysis of the ordinary muon capture experiment MONUMENT at PSI, and to the PALEOCCENE project, which explores color centers in large crystals as passive particle detectors, via light-sheet fluorescence microscopy.

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