Speaker
Arbin Timilsina
(ISU)
Description
PHENIX has measured the inclusive jet cross-section at midrapidity
in $p$$+$$p$ collisions at $\sqrt{s_{NN}}$=200 GeV. Jets were
reconstructed from charged particles and electromagnetic calorimeter
clusters using the anti-$k_T$ algorithm with $R=0.3$ and a
Gaussian filter reconstruction algorithm. These small radii jet
reconstructions are needed as baseline measurements for comparisons
with heavy ion collisions. The measurements are unfolded for
detector effects and the resulting jet spectra are reported for the
transverse momentum range $8<p_T<60$ GeV/$c$. These results are
compared with theoretical calculations with implications for the
sensitivity to the gluon angular emission. Results on reconstructed
jets in $d$$+$Au and Cu$+$Au collisions at the same
$\sqrt{s_{NN}}$=200 GeV are reported and nuclear modification
factors $R_{AA}$ compared to those measured via single inclusive
hadrons. These results probe the interplay between descriptions of
the collision geometry and hard processes, and partonic energy loss
in a heavy-ion collision with novel geometry, respectively.
| On behalf of collaboration: | PHENIX |
|---|
Author
Arbin Timilsina
(ISU)
