Year: 2025
Type: conference-paper
Abstract: The Belle II experiment at SuperKEKB continues to pursue high-precision measurements in Standard Model studies and in searches for physics beyond the Standard Model, with a target dataset of 50 ab$^{-1}$ and peak luminosities of $6\times10^{35}$ cm$^{-2}$s$^{-1}$. The current Vertex Detector (VXD), composed of the DEpleted P-channel Field Effect Transistor (DEPFET)-based Pixel Detector (PXD) and double-sided strip-based Silicon Vertex Detector (SVD), has achieved excellent tracking and vertexing performance through Run 1 and Run 2. To address future challenges from increased luminosity and background, a new all-pixel Vertex Detector (VTX) is under development, utilizing radiation-hard DMAPS technology based on the OBELIX sensor. In this contribution, we present the performance of the current VXD system, highlight operational challenges, and present the validation and integration status of the upcoming VTX upgrade.
DOI: 10.22323/1.513.0007
Authors: Ravinder Dhayal, Patrick Ahlburg, Ladislav Andricek, Varghese Babu, Anselm Baur, Jerome Baudot, Marlon Barbero, Pierre Barrillon, Fabian Becherer, Thomas Bergauer, Florian Bernlochner, Gregory Bertolone, Guglielmo Francesco Benfratello, Stefano Bettarini, Adrian Bevan, Johannes Bilk, Tadeas Bilka, Marcella Bona, Christian Bespin, Maximilian Babeluk, Arthur Bolz, Julien Bonis, Filippo Bosi, Roua Boudagga, Andrzej Bozek, Patrick Breugnon, Florian Buchsteiner, Yannik Buch, Lu Cao, Giulia Casarosa, Cheshta Cheshta, Luigi Corona, Sanjeeda Bharati Das, Jochen Christian Dingfelder, Zdenek Doležal, Andrei Dorokhov, Giulio Dujany, Ralf Farkas, Luca Federici, Antonio Prieto, Christian Finck, Francesco Forti, Denis Fougeron, Ariane Frey, Markus Friedl, Alice Gabrielli, Karsten Gadow, Luigi Gaioni, Abraham Torreira, Xu Gao, Varsha Gautam, Georgios Giakoustidis, Simone Giroletti, Benigno Gobbo, Jaiding Gong, Merle Graf-Schreiber, Yubo Han, Koji Hara, Takeo Higuchi, Abdelkader Himmi, Matthias Hoek, Dominic Howgill, Christine Hu-guo, Christian Irmler, Akimasa Ishikawa, Daniel Jeans, Mateusz Kaleta, Kookhyun Kang, Michael Karagounis, Jasper Kehl, Munira Khan, Christian Kiesling, Tetsuichi KISHISHITA, Peter Kodyš, Christian Koffmane, Matthaeus Krein, Hans Krüger, Wolfgang Kuhn, Thomas Kuhr, Ajit Kumar, Rajeev Kumar, Peter Kvasnička, Carlos Lacasta, Kavita Lalwani, Jens Sören Lange, Philipp Leitl, James Frederick Libby, Vitalii Lisovskyi, Qingyuan Liu, Thomas Lück, Carlos Marinas, Ludovico Massaccesi, Maurizio Massa, Matteo Maushart, Jose Cos, Zuzana Gruberov, Dmytro Meleshko, Massimo Minuti, Andrea Moggi, Gagan Mohanty, Laura Molina Bueno, Suryanarayan Mondal, Frederic Morel, Hans-Günther Moser, Katsuro Nakamura, Zbigniew Marian Natkaniec, Carsten Niebuhr, Jelena Ninkovic, Yuta Okazaki, Yoshiyuki Onuki, Fumiaki Otani, Antonio Paladino, Patrick Pangaud, Botho Paschen, Antonio Álvarez, Yann Peinaud, Eliseo Trigo, Hung Pham, Bernhard Pilsl, Daniel Pitzl, Vikas Raj, Lodovico Ratti, Krishnakumar Ravindran, Valerio Re, Markus Reif, Junaid Rehman, Simon P. Reiter, Rainer Richter, Michael Ritzert, Isabelle Ripp-baudot, Giuliana Rizzo, Elisa Riceputi, Lars Schall, Jannes Schmitz, Paula Scholz, Christoph Schwanda, Benjamin Schwenker, Marike Schwickardi, Slavomira Stefkova, Concettina Sfienti, Justine Serrano, Tomoyuki Shimasaki, Justin Skorupa, Weimin Song, Björn Spruck, Petros Stavroulakis, Reimer Stever, Maiko Takahashi, Alessandra Taffara, Shuji Tanaka, Richard Thalmeier, Gianluca Traversi, Yuma Uematsu, Isabelle Valin, Pablo Regueiro, Lorenzo Vitale, Vidya Sagar Vobbilisetti, Marco Vogt, Boqun Wang, Shijie Wang, Zihan Wang, Norbert Wermes, Christian Wessel, Jaroslaw Wiechczynski, Marc Winter, Danwei Xu, Haolin Yang, Hao Yin, Laura Zani, Zhaoling Zhang, Fanli Zeng, Radek Zlebcik, Didier Auguste
Institution: Charles University
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: hybrid
Funders: Rudi Schulte Research Institute, Ministerio de Ciencia, Innovación y Universidades, European Commission, Department of Science and Technology, Ministry of Science and Technology, India, Agence Nationale de la Recherche, Ministry of Education, Culture, Sports, Science and Technology, Ministerstvo Školství, Mládeže a Tělovýchovy, Grantová Agentura České Republiky, Generalitat Valenciana, Ministerstwo Edukacji i Nauki, Centre National de la Recherche Scientifique, Forskningsrådet om Hälsa, Arbetsliv och Välfärd, Deutsches Elektronen-Synchrotron, Japan Society for the Promotion of Science, Institut National de Physique Nucléaire et de Physique des Particules, H2020 European Research Council, HORIZON EUROPE Marie Sklodowska-Curie Actions
Awards: G120905174, NEw Physics searches with tAu Leptons, G196419191, Advanced European Infrastructures for Detectors at Accelerators, G2678520069, Search for the Lepton Flavour Violating Decay Tau to Lepton + Gamma at the Belle II Experiment, Japan and Europe Network for Neutrino and Intensity Frontier Experimental Research 3, G4016415828, G434337789, Japan and Europe Network for Neutrino and Intensity Frontier Experimental Research 2, G5295624833, G5802621812, Advancement and Innovation for Detectors at Accelerators, France Life Imaging, G6649312515, Studies of the Beyond Standard Model phenomena in the flavor sector with the Belle II Experiment, G7234295492, G7907094027, G8114839858, Japan and Europe Network for Neutrino and Intensity Frontier Experimental Research, G948983577
OpenAlex ID: W4416947332
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