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Commissioning and Performance of the LHCb Upstream Tracker

D. Andreou, M. Artuso, J. Bartz, B. Batsukh, A. Beiter, H. Bernstein, S. Blusk, S. Ding, S. Ely, J. Freiler, D. Germann, S. Guerin, B. Khanji, W. Krupa, A. Kuhlman, Z. Li, X. Liang, B. Mack, L. M. Mackey, P. Manning, E. Minucci, R. Mountain, H. Pham, I. Polyakov, M. Polyakov, M. S. Rudolph, R. S. Sharma, J. Shupperd, T. Skwarnicki, S. Stone, A. Venkateswaran, M. K. Wilkinson, H. Wu, J. Andrew, S. Braun, A. D. Fernez, M. Franco Sevilla, C. Hadjivasiliou, P. M. Hamilton, A. Jawahery, E. Jiang, L. Meyer Garcia, T. O'Bannon, W. Parker, Y. Sun, J. Wimberly, Z. Yang, A. Alessandro, A. Capsoni, A. Carbone, S. Cesare, M. Citterio, S. Coelli, N. Conti, F. DeBenedetti, P. Gandini, C. Mancuso, D. Marangotto, A. Merli, M. Monti, N. Neri, M. Petruzzo, E. Spadaro Norella, G. Tonani, D. Vigano, Z. Wang, F. Zangari, I. Carli, M. Feng, Y. Fu, P. Gorbounov, N. A. Grieser, X. Jiang, Y. Li, Y. Li, K. Liu, S. Liu, Y. Lu, S. Sheng, M. Tobin, J. Wang, X. Yuan, Y. Yuan, Q. Zou, M. Firlej, T. Fiutowski, M. Hubczak, M. Idzik, J. Moron, K. M. Sowa, K. Swientek, T. Szumlak, C. Abellan Beteta, V. Bellée, I. Bezshyiko, V. Denysenko, G. Hijano Mendizabal, M. Peco Regales, N. Serra, O. Steinkamp, L. Villardita, C. A. Aidala, K. R. Mattioli, M. Ramírez García, J. D. Roth, D. M. Shangase, M. Brodski, J. C. Lopes, B. Schmidt, M. Sokoloff, Z. Ren, D. Y. Tou, G. Vouters, Q. Han, G. Wang, J. Wu, X. Zhu, T. Li, X. Wang, Z. Chen, P. Li, F. Lazzari, A. Sergi, F. Zhang, M. van Veghel, A. Oyanguren, J. Zhuo Gao, V. Svintozelskyi, M. De Cian, L. Dufour, V. Kholoimov, P. Hoffmann, V. V. Gligorov

hep-exarXiv:2611.08150

Abstract

The Upstream Tracker is a new, high-precision silicon strip detector installed in the LHCb experiment as part of the overall LHCb Upgrade I project. The detector is an integral part of the tracking system, and plays a crucial role in the reconstruction of charged particles in the new fully software-based trigger. An overview of the Upstream Tracker detector design, its commissioning, and performance are presented.

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