The Rapidity Density Distributions and Longitudinal Expansion Dynamics of Identified Pions from the STAR Beam Energy Scan

Collaboration
for the collaboration.
Dec, 2016

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Abstract: (Elsevier)
The Beam Energy Scan (BES) at the Relativistic Heavy-Ion Collider was proposed to characterize the properties of the medium produced in heavy-ion interactions over a broad range of baryon chemical potential. The aptitude of the STAR detector for mid-rapidity measurements has previously been leveraged to measure identified particle yields and spectra to extract bulk properties for the BES energies for |y|≤0.1 . However, to extract information on expansion dynamics and full phase space particle production, it is necessary to study identified particle rapidity density distributions.
  • Beam Energy Scan
  • STAR
  • pion
  • rapidity density distribution
  • full phase space yield
  • dale
  • transverse mass spectra
  • rapidity: density
  • expansion: longitudinal
  • pi: particle identification