Phys. Rev. C 50, R559 - R562 (1994)

Hadron widths in mixed-phase matter

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David Seibert and Che Ming Ko@f
1Physics Department, Kent State University, Kent, Ohio 44242
2Cyclotron Institute and Physics Department, Texas A&M University, College Station, Texas 77843

Rapid Communication

We derive classically an expression for a hadron width in a two-phase region of hadron gas and quark-gluon plasma (QGP). The presence of QGP gives hadrons larger widths than they would have in a pure hadron gas. We find that the φ width observed in a central Au+Au collision at √s=200 GeV/nucleon is a few MeV greater than the width in a pure hadron gas. The part of observed hadron widths due to QGP is approximately proportional to (dN/dy)-1/3.


©1994 The American Physical Society

URL: http://link.aps.org/abstract/PRC/v50/pR559
DOI: 10.1103/PhysRevC.50.R559
PACS: 25.75.+r, 12.38.Mh

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