Readout concept of the future Belle II vertex detector

Journal of Instrumentation 2026

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Authors: M. Babeluk, T. Bergauer, M. Friedl, C. Irmler, B. Pilsl, C. Schwanda, L. Gaioni, V. Re, E. Riceputi, G. Traversi, S. Giroletti, L. Ratti
+74 more G.F. Benfratello, S. Bettarini, F. Bosi, G. Casarosa, L. Corona, F. Forti, A. Gabrielli, M. Massa, L. Massaccesi, M. Minuti, A. Moggi, S. Mondal, G. Rizzo, A. Taffara, V. Vobbilisetti, M. Barbero, P. Barrillon, R. Boudagga, P. Breugnon, D. Fougeron, P. Pangaud, J. Serrano, D. Xu, D. Auguste, J. Bonis, Y. Peinaud, M. Winter, J. Baudot, G. Bertolone, A. Dorokhov, G. Dujany, L. Federici, C. Finck, A. Himmi, C. Hu-Guo, A. Kumar, M. Maushart, F. Morel, H. Pham, I. Ripp-Baudot, R. Sefri, P. Stavroulakis, I. Valin, F. Bernlochner, C. Bespin, J. Dingfelder, H. Krüger, L. Schall, M. Vogt, M. Karagounis, Y. Buch, A. Frey, B. Schwenker, M. Schwickardi, T. Hara, D. Jeans, T. Kishishita, K.R. Nakamura, Y. Okazaki, T. Higuchi, Y. Onuki, S. M. Wang, C. Lacasta, C. Marinas, J. Mazorra de Cos, L. Molina-Bueno, A. Bevan, M. Bona, D. Howgill, W. Song, J. Gong, X. Gao, A. Fernandez Prieto, A. Gallas Torreira
DOI: 10.1088/1748-0221/21/04/c04023
Cited by: 1
References: 6

Abstract

Abstract For a proposed upgrade of the Belle II experiment an R&D program has been established to develop a new vertex detector (VTX) made from a single type of depleted active monolithic pixel detector named OBELIX. The chip will provide two low voltage differential signaling (LVDS) data links with a transmission speed of about 339 MHz. To read out the OBELIX data it is foreseen to utilize optical links based on the lpGBT chip and the VTRx+ transceiver module, both developed at CERN. We will present a first concept of the VTX readout system and discuss its technical requirements.

Fields of Study & Subjects

Particle Detector Development and Performance Radiation Detection and Scintillator Technologies Particle physics theoretical and experimental studies

Publication details

Journal / source
Journal of Instrumentation
Publisher
IOP Publishing
Volume
21
Issue
04
Pages
C04023–C04023
Publication date
1 April 2026
Language
EN