Abstract

Abstract The PHENIX experiment at the Relativistic Heavy-Ion Collider explores the phase diagram of strongly interacting matter through collisions of beam of heavy nuclei. A second physics program addresses the spin structure of the nucleon through collisions of beams of polarized protons. The PHENIX apparatus has been particularly designed for lepton-pair measurements and comprises detectors for charged-particle tracking, particle identification, calorimetry and collision centrality monitors. Los mass detector systems and high-rate capability have been central to its concept. Recently a silicon vertex detector has been added to the experiment. It will extend the capabilities of PHENIX towards more refined studies involving heavy flavor physics with direct detection of decays. The presented article addresses technical aspects of the vertex detector's mechanical construction and the assembly of its components. It contains various detailed information and may be of interest to a larger scientific and engineering community in the fields of high –energy and heavy-ion physics.

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