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Anisotropic Flow Measurements from the NA61/SHINE and NA49 Beam Momentum Scan Programs at CERN SPS

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Abstract

The NA61/SHINE experiment at the CERN SPS has recently extended its program for the energy scan with Pb ions. In the past, the NA49 experiment, which preceded the NA61/SHINE, has also recorded data for Pb–Pb collisions at different energies. Together, the two experiments cover wide range of collision energies in the beam momentum range of 13–150A GeV/\(c\) provided by CERN SPS, which has a significant overlap with the ongoing second phase of the beam energy scan program (BES-II) at RHIC. The directed and elliptic flow relative to the projectile spectator plane are measured with the new NA61/SHINE data for Pb–Pb collisions at 13 and 30A GeV/\(c\) and revised existing NA49 data at 40A GeV. New results extend the existing world data available from the previous NA49 measurements and ongoing BES-II and fixed-target programs at STAR. The developed analysis techniques are also relevant for measurements at the future CBM experiment at FAIR and the MPD experiment at NICA.

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Funding

This work was supported by the Ministry of Science and 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. 02.a03.21.0005, 27.08.2013).

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Authors and Affiliations

  1. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow, Russia

    E. Kashirin, I. Selyuzhenkov & O. Golosov

  2. GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany

    I. Selyuzhenkov & V. Klochkov

  3. Goethe-University Frankfurt, Frankfurt, Germany

    V. Klochkov

  4. Institute for Nuclear Research RAS, Moscow, Russia

    E. Kashirin

Authors
  1. E. Kashirin
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  2. I. Selyuzhenkov
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  3. O. Golosov
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  4. V. Klochkov
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Consortia

for the NA49 and NA61/SHINE Collaborations

Corresponding authors

Correspondence to E. Kashirin or I. Selyuzhenkov.

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Kashirin, E., Selyuzhenkov, I., Golosov, O. et al. Anisotropic Flow Measurements from the NA61/SHINE and NA49 Beam Momentum Scan Programs at CERN SPS. Phys. Part. Nuclei 51, 301–304 (2020). https://doi.org/10.1134/S1063779620030144

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  • DOI: https://doi.org/10.1134/S1063779620030144

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