English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We report the first measurement of rapidity-odd directed flow ($v_{1}$) for$D^{0}$ and $\overline{D^{0}}$ mesons at mid-rapidity ($|y| < 0.8$) in Au+Aucollisions at $\sqrt{s_{\rm NN}}$ = 200\,GeV using the STAR detector at theRelativistic Heavy Ion Collider. In 10--80\% Au+Au collisions, the slope of the$v_{1}$ rapidity dependence ($dv_{1}/dy$), averaged over $D^{0}$ and$\overline{D^{0}}$ mesons, is -0.080 $\pm$ 0.017 (stat.) $\pm$ 0.016 (syst.)for transverse momentum $p_{\rm T}$ above 1.5~GeV/$c$. The absolute value of$D^0$-meson $dv_1/dy$ is about 25 times larger than that for charged kaons,with 3.4$\sigma$ significance. These data give a unique insight into theinitial tilt of the produced matter, and offer constraints on the geometric andtransport parameters of the hot QCD medium created in relativistic heavy-ioncollisions.

First observation of the directed flow of $D^{0}$ and $\overline{D^0}$ in Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 200~GeV