PoS - Proceedings of Science
Volume 314 - The European Physical Society Conference on High Energy Physics (EPS-HEP2017) - Detector R&D and Data Handling (Parallel Session). Conveners: Paula Collins; Katja Kruger. Scientific Secretary: Enrico Conti.
The new CGEM Inner Tracker and the new TIGER ASIC for the BES III Experiment
S. Marcello,* M. Alexeev, A. Amoroso, R. Baldini Ferroli, M. Bertani, D. Bettoni, F. Bianchi, A. Calcaterra, N. Canale, M. Capodiferro, V. Carassiti, S. Cerioni, J.Y. Chai, S. Chiozzi, G. Cibinetto, F. Cossio, A. Cotta Ramusino, G. Cotto, M.D. Da Rocha Rolo, F. De Mori, M. Destefanis, J. Dong, F. Evangelisti, R. Farinelli, L. Fava, G. Felici, I. Garzia, M. Gatta, M. Greco, L. Lavezzi, C.Y. Leng, H. Li, M. Maggiora, R. Malaguti, M. Melchiorri, G. Mezzadri, M. Mignone, G. Morello, S. Pacetti, P. Patteri, J. Pellegrino, A. Pelosi, A. Rivetti, M. Savrie, E. Soldani, S. Sosio, S. Spataro, E. Tskhadadze, C. Weishuai, R. Wheadon, L. Yan
*corresponding author
Full text: pdf
Pre-published on: October 20, 2017
Published on: March 20, 2018
Abstract
A new detector exploiting the technology of Gas Electron Multipliers is under construction to replace the innermost drift chamber of BESIII experiment, since its efficiency is compromised owing the high luminosity of Beijing Electron Positron Collider. The new inner tracker with a cylindrical shape will deploy several new features. The analogue readout and two complementary algorithms to reconstruct the position will allow achieving a spatial resolution of 130 µm in a 1 T magnetic field. For this purpose, TIGER, a new custom 64-channel ASIC, providing time and charge measurements, has been developed. Here, a summary of the most recent results on detector and electronics prototypes is given.
DOI: https://doi.org/10.22323/1.314.0505
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