CBM T0 Detector Performance Study with Light Ions (4He, 12C) and the DOGMA Readout System
Abstract
This paper presents the realization and performance of the CBM T0 detector system. Built upon an approximately 70 μm thin polycrystalline CVD (pcCVD) diamond sensor with pad metallization, the detector is mounted on a flexible vacuum manipulator and operates entirely under passive cooling. Interfaced with the DOGMA readout architecture, the system successfully meets all operational requirements for CBM. It demonstrates a high detection efficiency (near 100%) and a timing precision below 50 ps RMS across a broad range of beam species, from light ions (such as Carbon) to heavy ions (such as Gold). The DOGMA readout features two distinct data paths: a high-precision TDC path routing data directly to the global CBM DAQ, and a secondary path deliver in real-time rate measurements crucial for online beam quality monitoring and fast beam abort logic. Finally, detailed performance studies conducted with light-ion beams at EBG MedAustron are discussed.
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BibTeX
@misc{kozymka2026detector,
title = {{CBM T0 Detector Performance Study with Light Ions (4He, 12C) and the DOGMA Readout System}},
author = {Yevhen Kozymka and Thomas Bergauer and Maximilian von Buelow and Henrik Flörsheimer and Jochen Frühauf and Tetyana Galatyuk and Harald Handerkas and Henning Heggen and Mladen Kis and Sergey Linev and Jerzy Pietraszko and Christian Joachim Schmidt and Luca Schramm and Michael Traxler and Michael Träger and Felix Ulrich-Pur and Robert Visinka},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.28106},
eprint = {2609.28106},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.28106},
}
RIS
TY - UNPB
TI - CBM T0 Detector Performance Study with Light Ions (4He, 12C) and the DOGMA Readout System
AU - Yevhen Kozymka
AU - Thomas Bergauer
AU - Maximilian von Buelow
AU - Henrik Flörsheimer
AU - Jochen Frühauf
AU - Tetyana Galatyuk
AU - Harald Handerkas
AU - Henning Heggen
AU - Mladen Kis
AU - Sergey Linev
AU - Jerzy Pietraszko
AU - Christian Joachim Schmidt
AU - Luca Schramm
AU - Michael Traxler
AU - Michael Träger
AU - Felix Ulrich-Pur
AU - Robert Visinka
PY - 2026
DA - 2026/09/23
PB - arXiv
DO - 10.48550/arxiv.2609.28106
UR - https://arxiv.org/abs/2609.28106
AB - This paper presents the realization and performance of the CBM T0 detector system. Built upon an approximately 70 μm thin polycrystalline CVD (pcCVD) diamond sensor with pad metallization, the detector is mounted on a flexible vacuum manipulator and operates entirely under passive cooling. Interfaced with the DOGMA readout architecture, the system successfully meets all operational requirements for CBM. It demonstrates a high detection efficiency (near 100%) and a timing precision below 50 ps RMS across a broad range of beam species, from light ions (such as Carbon) to heavy ions (such as Gold). The DOGMA readout features two distinct data paths: a high-precision TDC path routing data directly to the global CBM DAQ, and a secondary path deliver in real-time rate measurements crucial for online beam quality monitoring and fast beam abort logic. Finally, detailed performance studies conducted with light-ion beams at EBG MedAustron are discussed.
ER -