Speaker
Yongsun Kim
(Korea University (KR))
Description
The fragmentation function and transverse momentum profile (shape) of inclusive jets in 2.76 TeV PbPb collisions are reported in this poster. Jets with transverse momentum $p_T$ > 100 GeV/c are measured using anti-$k_T$ algorithm with radius dR=0.3. Charged particles with p$_T$ > 1 GeV/c are used to investigate the fragmentation pattern. The pp collisions at the same center-of-mass energy is analyzed to be used as a reference for the observation of medium effects in PbPb collision. A centrality-dependent modification of the fragmentation function and jet shape is found. A significant enhancement of charged particles of $p_T$ < 3GeV/c and their rearrangement toward periphery of jet cone are observed from the PbPb/pp ratio for the most central collisions.
| On behalf of collaboration: | CMS |
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Primary author
Yongsun Kim
(Korea University (KR))
