Initial state nuclear effects for jet production measured in $\sqrt{s_\mathrm{NN}} = 200 \mathrm{GeV}$ d+Au collisions by STAR

TL;DR

This paper reports measurements of di-jet correlations in d+Au collisions at 200 GeV to study initial state nuclear effects, helping distinguish these from medium-induced modifications in heavy-ion collisions.

Contribution

It provides new high-statistics measurements of di-jet correlations in d+Au collisions at RHIC, focusing on initial state effects.

Findings

Measurement of di-jet correlations at mid-rapidity in d+Au collisions.

Insights into initial state nuclear effects separate from medium effects.

High-statistics data improves understanding of nuclear effects in jet production.

Abstract

Full jet reconstruction in heavy-ion collisions is a promising tool for quantitative study of properties of the dense medium produced at RHIC. Measurements of d+Au collisions are important to disentangle initial state nuclear effects from medium-induced $k_\mathrm{T}$ broadening and jet quenching. We report measurements of mid-rapidity ($|\eta_{jet}| < 0.4|$) di-jet correlations in d+Au using high-statistics run 8 RHIC data at $\sqrt{s_\mathrm{NN}} = 200 \mathrm{GeV}$.