The Intermediate Silicon Tracker Detector for sPHENIX
Abstract
A new barrel-type silicon detector has been constructed in the central rapidity region of the sPHENIX experiment as part of its charged-particle tracking system. The detector, referred to as the intermediate silicon tracker (INTT), provides single-event timing capability and contributes to charged-particle tracking in combination with the silicon-pixel vertex detector and the time-projection chamber. The INTT consists of two cylindrical barrels with full azimuthal coverage. The inner and outer barrels comprise 24 and 32 silicon strip ladders, respectively. Each ladder consists of four silicon strip sensors, covering the pseudorapidity range |η| < 1.07 for collision vertices within ± 10 cm along the beam axis, at radial distances between 72 and 103 mm. The INTT has been fully integrated into the sPHENIX data acquisition system, with detector signals processed by eight FELIX servers. Continuous data taking is enabled by a streaming readout mode, in which detector data are accumulated without hardware triggers, while a conventional trigger-based mode is also supported. The detector achieves stable operation, small inactive area, and high efficiency, providing precise timing, tracking, and vertexing performance during the collection of beam-beam collision data.
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BibTeX
@misc{akiba2026intermediate,
title = {{The Intermediate Silicon Tracker Detector for sPHENIX}},
author = {Y. Akiba and H. Aso and J. T. Bertaux and D. Cacace and R. G. Cecato and K. Y. Chen and S. Y. Chen and K. Y. Cheng and A. Enokizono and H. Enyo and K. Fujiki and Y. Fujino and M. Fujiiwara and T. Hachiya and T. Harada and S. Hasegawa and M. Hata and B. Hong and J. Hwang and T. Ichino and M. Ikemoto and D. Imagawa and H. Imai and Y. Ishigaki and M. Isshiki and K. Iwatsuki and R. Kan and M. Kano and T. Kato and R. Kawashima and T. Kikuchi and R. Koike and T. Kondo and C. M. Kuo and H. Kureha and T. Kumaoka and H. S. Li and R. S. Lu and E. Mannel and H. Masuda and G. Mitsuka and N. Morimoto and M. Morita and I. Nakagawa and Y. Nakamura and G. Nakano and Y. Namimoto and M. Naruki and D. Nemoto and S. Nishimori and R. Nouicer and G. Nukazuka and I. Omae and R. Pisani and Y. Sekiguchi and M. Shibata and C. W. Shih and K. Shiina and M. Shimomura and R. Shishikura},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.35317},
eprint = {2610.35317},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.35317},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - The Intermediate Silicon Tracker Detector for sPHENIX
AU - Y. Akiba
AU - H. Aso
AU - J. T. Bertaux
AU - D. Cacace
AU - R. G. Cecato
AU - K. Y. Chen
AU - S. Y. Chen
AU - K. Y. Cheng
AU - A. Enokizono
AU - H. Enyo
AU - K. Fujiki
AU - Y. Fujino
AU - M. Fujiiwara
AU - T. Hachiya
AU - T. Harada
AU - S. Hasegawa
AU - M. Hata
AU - B. Hong
AU - J. Hwang
AU - T. Ichino
AU - M. Ikemoto
AU - D. Imagawa
AU - H. Imai
AU - Y. Ishigaki
AU - M. Isshiki
AU - K. Iwatsuki
AU - R. Kan
AU - M. Kano
AU - T. Kato
AU - R. Kawashima
AU - T. Kikuchi
AU - R. Koike
AU - T. Kondo
AU - C. M. Kuo
AU - H. Kureha
AU - T. Kumaoka
AU - H. S. Li
AU - R. S. Lu
AU - E. Mannel
AU - H. Masuda
AU - G. Mitsuka
AU - N. Morimoto
AU - M. Morita
AU - I. Nakagawa
AU - Y. Nakamura
AU - G. Nakano
AU - Y. Namimoto
AU - M. Naruki
AU - D. Nemoto
AU - S. Nishimori
AU - R. Nouicer
AU - G. Nukazuka
AU - I. Omae
AU - R. Pisani
AU - Y. Sekiguchi
AU - M. Shibata
AU - C. W. Shih
AU - K. Shiina
AU - M. Shimomura
AU - R. Shishikura
PY - 2026
DA - 2026/10/26
PB - arXiv
DO - 10.48550/arxiv.2610.35317
UR - https://arxiv.org/abs/2610.35317
AB - A new barrel-type silicon detector has been constructed in the central rapidity region of the sPHENIX experiment as part of its charged-particle tracking system. The detector, referred to as the intermediate silicon tracker (INTT), provides single-event timing capability and contributes to charged-particle tracking in combination with the silicon-pixel vertex detector and the time-projection chamber. The INTT consists of two cylindrical barrels with full azimuthal coverage. The inner and outer barrels comprise 24 and 32 silicon strip ladders, respectively. Each ladder consists of four silicon strip sensors, covering the pseudorapidity range |η| < 1.07 for collision vertices within ± 10 cm along the beam axis, at radial distances between 72 and 103 mm. The INTT has been fully integrated into the sPHENIX data acquisition system, with detector signals processed by eight FELIX servers. Continuous data taking is enabled by a streaming readout mode, in which detector data are accumulated without hardware triggers, while a conventional trigger-based mode is also supported. The detector achieves stable operation, small inactive area, and high efficiency, providing precise timing, tracking, and vertexing performance during the collection of beam-beam collision data.
ER -