Hadronic resonance production in pp and Pb-Pb collisions at LHC with the ALICE experiment

被引：1

作者：

Badala, A. ^{[1
]}

Oeschler, H. ^{[1
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Catania, I-95125 Catania, Italy

来源：

INTERNATIONAL WORKSHOP ON DISCOVERY PHYSICS AT THE LHC (KRUGER2012) | 2013年 / 455卷

关键词：

FREEZE-OUT; PARTICLE-PRODUCTION; TEV;

D O I：

10.1088/1742-6596/455/1/012003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Resonances, with their lifetimes comparable to that of the fireball, can be used to estimate the time span and hadronic interaction cross section in the phase between chemical and kinetic freeze-out. In pp collisions, measurements of resonances provide an important baseline for heavy-ion data and allow for the tuning of QCD-inspired particle production models. The ALICE collaboration measured K* (892)(0) and phi(1020) production, both in pp collisions at root s=7 TeV and in Pb-Pb collisions at root s(NN)=2.76 TeV. The inelastic yield of Sigma(1385)(+/-) in pp collision at root s=7 TeV was also measured. Transverse momentum spectra, ratios to stable particles and a comparison between central and peripheral production are shown.

引用

页数：8

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