CBM T0 Detector Performance Study with Light Ions (4He, 12C) and the DOGMA Readout System
Yevhen Kozymka, Thomas Bergauer, Maximilian von Buelow, Henrik Flörsheimer, Jochen Frühauf, Tetyana Galatyuk, Harald Handerkas, Henning Heggen, Mladen Kis, Sergey Linev, Jerzy Pietraszko, Christian Joachim Schmidt, Luca Schramm, Michael Traxler, Michael Träger, Felix Ulrich-Pur, Robert Visinka
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.
Create a lesson
Related papers
Measurement of the free ion yield and estimate of the electron mobility of Trimethyl-Bismuth (TMBi)
B. Gerke, V. Hannen, S. Peters et al.
Beam Spill Structure Measurements at CEE Using the T0 Detector
Shuaike Lv, D. Hu, Dayu Yin et al.
CNN-based Position Reconstruction for the T0 Detector in the HIRFL-CSR External-target Experiment
Shuai-Ke Lv, D Hu, M Shao et al.
Application and Optimization of the GET Electronics System for Double-Sided Silicon Strip Detector Readout
Jiawei Bian, Zaihong Yang, Qite Li et al.
Cavity Characterization for the Princeton Axion Search
Nate Otto, Jianyang Fu, Joelle-Marie Begin et al.
First demonstration of 50\,ps four-dimensional vertex reconstruction with the Timepix4 beam telescope
David Bacher, Kazu Akiba, Martin van Beuzekom et al.