Design of the OBELIX monolithic CMOS pixel sensor for an upgrade of the Belle II vertex detector

Journal of Instrumentation Pub Date : 2024-04-01 DOI:10.1088/1748-0221/19/04/c04020

T.H. Pham, D. Auguste, M. Babeluk, M. Barbero, J. Baudot, T. Bergauer, F. Bernlochner, G. Bertolone, S. Bettarini, F. Bosi, J. Bonis, R. Boudagga, P. Breugnon, Y. Buch, F. Buchsteiner, M.S. Calo, G. Casarosa, J. Dingfelder, A. Dorokhov, L. Federici, T. Fillinger, C. Finck, F. Forti, D. Fougeron, A. Frey, L. Gaioni, S. Giroletti, A. Himmi, E. Kou, C. Hu Guo, C. Irmler, M. Karagounis, T. Kishishita, H. Krüger, A. Kumar, C. Marinas, M. Massa, L. Massaccesi, J. Mazorra de Cos, M. Minuti, S. Mondal, F. Morel, K. Nakamura, P. Pangaud, Y. Peinaud, L. Ratti, V. Re, E. Riceputi, I. Ripp Baudot, G. Rizzo, L. Schall, C. Schwanda, B. Schwenker, M. Schwickardi, P. Stavroulakis, S. Wang, C. Wessel, M. Winter, G. Traversi, I. Valin, D. Xu

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Abstract

The Belle II collaboration has initiated a program to upgrade its detector in order to address the challenges set by the increase of the SuperKEKB collider luminosity, targeting 6×1035 cm2 s-1. A monolithic CMOS pixel sensor named OBELIX (Optimized BELle II pIXel) is proposed to equip 5 detection layers upgrading the current vertex detector. Based on the existing TJ-Monopix2, OBELIX is currently designed in 180 nm CMOS process.

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设计用于升级 Belle II 顶点探测器的 OBELIX 单片式 CMOS 像素传感器

为了应对超级 KEKB 对撞机光度（目标是 6×1035 cm2 s-1）增加所带来的挑战，贝尔 II 合作组织启动了一项探测器升级计划。提议采用一种名为 OBELIX（Optimized BELle II pIXel）的单片式 CMOS 像素传感器来装备 5 个探测层，以升级当前的顶点探测器。OBELIX 以现有的 TJ-Monopix2 为基础，目前采用 180 纳米 CMOS 工艺设计。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of Instrumentation

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