Contribution to a conference proceedings/Journal Article

PUBDB-2024-07591

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The DMAPS upgrade of the Belle II vertex detector

Babeluk, M. ; Barbero, M. ; Baudot, J. ; Bergauer, T. ; Bernlochner, F. ; Bertolone, G. ; Bespin, C. ; Bettarini, S. ; Bosi, F. ; Boudagga, R. ; Breugnon, P. ; Buch, Y. ; Casarosa, G. ; Corona, L. ; Dingfelder, J. ; Federici, L. ; Finck, C. ; Forti, F. ; Frey, A. ; Himmi, A. ; Irmler, C. ; Krüger, H. ; Marinas, C. ; Massa, M. ; Massaccesi, L. ; Mazorra de Cos, J. ; Minuti, M. ; Mondal, S. ; Nakamura, K. ; Pangaud, P. ; Pham, H. ; Rizzo, G. ; Schall, L. ; Schwenker, B. ; Schwickardi, M. ; Wessel, C.DESY* ; Wang, S. ; Xu, D. ; VTX, B. I. (Collaboration author)DESY* ; Group, B. I. V. U. (Corresponding author)DESY*

2024
North-Holland Publ. Co. Amsterdam

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Please use a persistent id in citations: doi:10.1016/j.nima.2024.169428

Abstract: The Belle II experiment at KEK in Japan considers an upgrade for the vertex detector system in line with the accelerator upgrade for higher luminosity at long shutdown 2 planned for 2028. One proposal for the upgrade of the vertex detector called VTX aims to improve background robustness and reduce occupancy using small and fast pixels. VTX accommodates the OBELIX depleted monolithic active CMOS pixel sensor (DMAPS) on all five proposed layers. OBELIX is specifically developed for the VTX application and based on the TJ-Monopix2 chip initially developed to meet the requirements of the outer layers of the ATLAS inner tracker (ITk). This paper will review recent tests of the TJ-Monopix2 chip as well as various design aspects of the OBELIX-1 chip currently under development.

Keyword(s): semiconductor detector: pixel ; BELLE ; vertex detector: upgrade ; radiation: damage ; detector: design ; performance ; Belle II ; Belle II VTX ; CMOS Pixel Sensor ; Depleted Monolithic Active Pixel Sensor ; DMAPS ; Vertex detector ; Radiation damage ; Particle tracking detectors ; Radiation-hard detectors

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Contributing Institute(s):

1. BELLE II Experiment (BELLE)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)
2. AIDAinnova - Advancement and Innovation for Detectors at Accelerators (101004761) (101004761)

Experiment(s):

1. KEK: BELLE I/II

Appears in the scientific report 2024

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Database coverage:
; Clarivate Analytics Master Journal List ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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