Beam test results of the Intermediate Silicon Tracker for sPHENIX

Shih, C. W.; Nukazuka, Genki; Sugiyama, Y.; Akiba, Y.; Cacace, Dan; En’yo, H.; Hachiya, T.; Hasegawa, S.; Hata, M.; Imai, H.; Kuo, C. M.; Morita, M.; Nakagawa, I.; Nakamura, Y.; Nakano, G.; Namimoto, Y.; Nouicer, R.; Pisani, R.; Shibata, M.; Shimomura, M.; Takahama, R.; Toho, K.; Tsujibata, H.; Tsuruta, M.; Watanabe, M.

doi:10.1016/j.nima.2026.171312

Beam test results of the Intermediate Silicon Tracker for sPHENIX

Journal Article · Tue Jan 27 00:00:00 EST 2026 · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

DOI:https://doi.org/10.1016/j.nima.2026.171312· OSTI ID:3020277

^[1]; ^[2]; Sugiyama, Y. ^[3]; ^[2]; ^[4]; ^[2]; ^[3]; ^[5]; Hata, M. ^[3]; Imai, H. ^[6]; ^[7]; Morita, M. ^[3]; ^[2]; Nakamura, Y. ^[6]; Nakano, G. ^[6]; Namimoto, Y. ^[3]; Nouicer, R. ^[4]; ^[4]; Shibata, M. ^[3]; ^[3] more »

National Central Univ., Taoyuan (Taiwan); RIKEN, Saitama (Japan); Brookhaven National Laboratory (BNL), Upton, NY (United States). RIKEN Research Center
RIKEN, Saitama (Japan); Brookhaven National Laboratory (BNL), Upton, NY (United States). RIKEN Research Center
Nara Women’s Univ. (Japan); RIKEN, Saitama (Japan)
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Japan Atomic Energy Agency (JAEA), Tokai (Japan). Advanced Science Research Center; RIKEN, Saitama (Japan)
Rikkyo Univ., Tokyo (Japan); RIKEN, Saitama (Japan)
National Central Univ., Taoyuan (Taiwan)
Tohoku Univ., Sendai (Japan)

The Intermediate Silicon Tracker (INTT), a two-layer barrel silicon strip tracker, is a key component of the tracking system for sPHENIX at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory. The INTT is designed to enable the association of reconstructed tracks with individual RHIC bunch crossings. To evaluate the performance of preproduction INTT ladders and the readout chain, a beam test was conducted at the Research Center for Accelerator and Radioisotope Science, Tohoku University, Japan. This paper presents the performance of the INTT evaluated through studies of the signal-to-noise ratio, residual distribution, spatial resolution, hit-detection efficiency, and multiple track reconstruction.

Research Organization:: Brookhaven National Lab

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC0012704

OSTI ID:: 3020277

Report Number(s):: BNL--229433-2026-JAAM

Journal Information:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Vol. 1086; ISSN 0168-9002

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

References (10)

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