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The STAR Event Plane Detector

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arxiv 1912.05243 v2 pith:W6CGXSVV submitted 2019-12-11 physics.ins-det nucl-ex

classification physics.ins-detnucl-ex
keywords detectoreventexperimentplanestarbenchchargedcm-thick
verification ladder T0 review T1 audit T2 compute T3 formal

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The Event Plane Detector (EPD) is an upgrade detector to the STAR experiment at RHIC, designed to measure the pattern of forward-going charged particles emitted in a high-energy collision between heavy nuclei. It consists of two highly-segmented disks of 1.2-cm-thick scintillator embedded with wavelength-shifting fiber, coupled to silicon photomultipliers and custom electronics. We describe the general design of the device, its construction, and performance on the bench and in the experiment.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Observation of the centrality-dependent difference in directed flow between charged kaons and $K^{*0}$ resonances in Au+Au collisions at $\sqrt{s_{\mathrm{NN}}}$ = 14.6, 19.6 and 27 GeV

    nucl-ex 2026-07 accept novelty 7.0 of 10

    First measurement of K*0 directed flow shows a centrality-dependent difference from charged kaons that hydro+UrQMD models attribute to asymmetric hadronic rescattering relative to the event plane.

  2. First-Ever Deployment of a SiPM-on-Tile Calorimeter in a Collider: A Parasitic Test with 200 GeV $pp$ Collisions at RHIC

    physics.ins-det 2025-01 conditional novelty 6.0 of 10

    A SiPM-on-tile calorimeter prototype was deployed, calibrated, and operated for the first time in a collider environment, withstanding about 1e10 1-MeV neutron-equivalent fluence at room temperature.

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