The phase transition in QCD with broken SU(2) flavour symmetry

Physics – High Energy Physics – High Energy Physics - Lattice

Scientific paper

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12 pages, 5 figures

Scientific paper

10.1103/PhysRevD.66.094510

We report the first investigation of the QCD transition temperature, T_c, for two flavours of staggered quarks with unequal masses at lattice spacings of 1/4T. On changing the u/d quark mass ratio in such a way that m(pi_0)^2/m(pi_+)^2 changes from 1 to 0.78, thus bracketing the physical value of this ratio, we find that T_c remains unchanged in units of both m_rho and Lambda_MSbar.

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