The QCD transition temperature: results with physical masses in the continuum limit II

被引：543

作者：

Aoki, Yasumichi ^{[1
]}

Borsanyi, Szabolcs ^{[2
]}

Duerr, Stephan ^{[3
,4
]}

Fodor, Zoltan ^{[2
,3
,4
,5
]}

Katz, Sandor D. ^{[2
,5
]}

Krieg, Stefan ^{[2
,6
]}

Szabo, Kalman ^{[2
]}

机构：

[1] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA

[2] Berg Univ Wuppertal, D-42119 Wuppertal, Germany

[3] Forschungszentrum Julich, D-52425 Julich, Germany

[4] NIC DESY Zeuthen Forsch Grp, D-15738 Zeuthen, Germany

[5] Eotvos Lorand Univ, Inst Theoret Phys, H-1117 Budapest, Hungary

[6] MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2009年 / 06期

关键词：

Lattice QCD; Lattice Gauge Field Theories;

D O I：

10.1088/1126-6708/2009/06/088

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We extend our previous study [Phys. Lett. B 643 (2006) 46] of the cross-over temperatures (T-c) of QCD. We improve our zero temperature analysis by using physical quark masses and finer lattices. In addition to the kaon decay constant used for scale setting we determine four quantities (masses of the Omega baryon, K*(892) and phi(1020) mesons and the pion decay constant) which are found to agree with experiment. This implies that - independently of which of these quantities is used to set the overall scale - the same results are obtained within a few percent. At finite temperature we use finer lattices down to a less than or similar to 0.1 fm (N-t = 12 and N-t = 16 at one point). Our new results confirm completely our previous findings. We compare the results with those of the 'hotQCD' collaboration.

引用

页数：18

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