Modification of Z Boson Properties in Quark-Gluon Plasma
J. I. Kapusta, S. M. H. Wong
Abstract
We calculate the change in the effective mass and width of a Z boson in the environment of a quark-gluon plasma under the conditions expected in Pb-Pb collisions at the LHC. The change in width is predicted to be only about 1 MeV at a temperature of 1 GeV, compared to the natural width of 24907 MeV. The mass shift is even smaller. Hence no observable effects are to be expected.
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