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The Silicon Tracking System as a Part of Hybrid Tracker of BM@N Experiment

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Abstract

To study the high-density nuclear equation-of-state in collisions between gold nuclei at Nuclotron beam energies (2–4.5 A GeV), the existing BM@N experiment at JINR in Dubna has to be substantially upgraded. The measurement of high-multiplicity events at interaction rates up to 5 MHz requires the installation of four large-aperture tracking stations equipped with double-sided micro-strip silicon sensors, which have been developed for the CBM experiment at FAIR. It has been demonstrated by simulations that the hybrid tracking system comprising four of such silicon stations (STS) situated in-front of seven GEM tracking detectors will be able to identify charged particles including hyperons emitted in Au + Au collisions with good efficiency and high signal-to-background ratio. The results of the simulations and the status of the STS detector development are presented.

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Funding

Work is supported by RFBR 18-02-40047 and 18-02-40113 grants and European Union’s Horizon 2020 research and innovation program under grant agreement no. 871072 CREMLIN Plus. P. Senger acknowledges support from the Ministry of Science and Higher Education of the Russian Federation, grant no. 3.3380.2017/4.6, and by the National Research Nuclear University MEPhI in the framework of the Russian Academic Excellence Project (contract no. 02a03.21.0005, 27.08.2013).

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Authors and Affiliations

  1. Veksler and Baldin Laboratory of High Energy Physics, Joint Institute for Nuclear Research, 141980, Dubna, Russia

    D. Dementev, V. Elsha, Yu. Murin, A. Sheremetev, M. Shitenkow & N. Sukhov

  2. Skobeltsyn Institute of Nuclear Physics (SINP MSU), Moscow State University, 119991, Moscow, Russia

    A. Baranov, P. Kharlamov & M. Merkin

  3. Facility for Antiproton and Ion Research GmbH, 64-291, Darmstadt, Germany

    E. Lavrik, A. Senger & P. Senger

  4. National Research Nuclear University MEPhI, 115409, Moscow, Russia

    P. Senger

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  1. D. Dementev
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  2. A. Baranov
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  3. V. Elsha
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  4. P. Kharlamov
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  5. E. Lavrik
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  6. M. Merkin
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  7. Yu. Murin
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  8. A. Senger
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  9. P. Senger
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  10. A. Sheremetev
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  11. M. Shitenkow
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  12. N. Sukhov
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Correspondence to D. Dementev.

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Dementev, D., Baranov, A., Elsha, V. et al. The Silicon Tracking System as a Part of Hybrid Tracker of BM@N Experiment. Phys. Part. Nuclei 53, 197–202 (2022). https://doi.org/10.1134/S1063779622020265

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  • DOI: https://doi.org/10.1134/S1063779622020265

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