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Chiral QCD sum rules for open-charm mesons
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Nuclear Physics.
2011 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 84, no 4, 045202- p.Article in journal (Refereed) Published
Abstract [en]

QCD sum rules for chiral partners in the open-charm meson sector are presented at nonzero baryon net density or temperature. We focus on the differences between pseudo-scalar and scalar as well as vector and axial-vector D mesons and derive the corresponding Weinberg-type sum rules. This allows for the identification of such QCD condensates which drive the nondegeneracy of chiral partners in the lowest order of the strong coupling alpha(s) and which, therefore, may serve as "order parameters" for chiral restoration (or elements thereof).

Place, publisher, year, edition, pages
2011. Vol. 84, no 4, 045202- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-161942DOI: 10.1103/PhysRevC.84.045202ISI: 000296514200005OAI: oai:DiVA.org:uu-161942DiVA: diva2:458150
Available from: 2011-11-21 Created: 2011-11-21 Last updated: 2017-12-08Bibliographically approved

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Leupold, Stefan

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