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中国物理学会高能物理分会第十一届全国会员代表大会暨学术年会

Aug 8 – 12, 2022
Asia/Shanghai timezone

Jet-like correlations with $V^0$ triggered particles in p-p and pb-pb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV

Aug 9, 2022, 3:10 PM
15m

Speaker

Mustafa Anaam (PhD)

Description

Two-particle correlations with $V^{0}$ $(K^{0}_{S}, \Lambda/\bar\Lambda)$ and charged hadrons as trigger particles of transverse momentum
$8 < p_\mathrm{T,trig}< 16$ GeV/c, and associated charged particles of $1 < p_\mathrm{T,assoc}< 8$ GeV/c, are studied at mid-rapidity in pp and most central Pb-Pb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV with the ALICE detector at the LHC.
After contributions of the flow background is subtracted, the per-trigger yields are extracted, and the nuclear modification factor, $I_\mathrm{AA}$, is calculated on both near and away side.
The results of $I_\mathrm{AA}$ show strongly suppression on away-side and enhancement at low $p_\mathrm{T}$ on both near- and away-side consistence with previous ALICE measurement of neutral pion ($\pi^{0}$-h) and charged hadrons (h-h) in Pb-Pb collisions at $\sqrt{s_\mathrm{NN}}$ = 2.76 TeV. In addition, the data are described within uncertainties by AMPT and HIJING event generators.