Search for "Ridge" in d+Au Collisions at RHIC by STAR
Li Yi for STAR Collaboration

TL;DR
This paper investigates dihadron correlations in d+Au collisions at RHIC, revealing finite near-side correlated yields at large pseudo-rapidity separation in high-multiplicity events, highlighting the impact of multiplicity bias.
Contribution
It provides new measurements of dihadron correlations in d+Au collisions and discusses the effects of multiplicity selection bias on jet-like correlations.
Findings
Finite correlated yields observed on the near-side at large pseudo-rapidity separation.
Multiplicity selection bias affects jet-like correlation measurements.
Differences between high- and low-multiplicity collision correlations.
Abstract
Dihadron correlations are measured in d+Au collisions at 200 GeV by the STAR detector. The correlated yields with uniform background subtraction are studied in high- and low-multiplicity collisions. The effects of multiplicity selection bias on jet-like correlations are discussed. Finite correlated yields are observed on the near-side at large pseudo-rapidity separation in high-multiplicity collisions.
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