Hadronic resonances at ALICE

被引：1
|
作者：
Knospe, A. G. [1 ]
机构：
[1] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA
来源：
HOT QUARKS 2012: WORKSHOP FOR YOUNG SCIENTISTS ON THE PHYSICS OF ULTRARELATIVISTIC NUCLEUS-NUCLEUS COLLISIONS | 2013年 / 446卷
关键词：
FREEZE-OUT; DYNAMICS;
D O I：
10.1088/1742-6596/446/1/012056
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Measurements of the ratios of hadronic resonance yields to non-resonance yields can be used to study the properties of the hadronic phase of high-energy heavy-ion collisions. A change in resonance masses or widths could be an indication of chiral symmetry restoration. Measurements of resonances in proton-proton collisions provide an important baseline for measurements in heavy-ion collisions as well as data for tuning QCD-inspired particle production models. The ALICE collaboration has measured the K* (892)(0) and phi(1020) resonances in Pb Pb collisions at root s(NN) = 2.76 TeV and the K*(892)(0), phi(1020), and Sigma*(1385)(+/-) resonances in pp collisions at \/s = 7 TeV. These measurements including transverse momentum spectra, ratios to non-resonances, masses, and widths are discussed and compared to theoretical predictions.
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页数：4
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