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APS » Journals » Phys. Rev. D » Volume 80 » Issue 3
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Phys. Rev. D 80, 034016 (2009) [12 pages]

QCD static energy at next-to-next-to-next-to leading-logarithmic accuracy

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Nora Brambilla and Antonio Vairo
Physik Department, Technische Universität München, D-85748 Garching, Germany and Dipartimento di Fisica dell’Università di Milano and INFN, via Celoria 16, 20133 Milan, Italy

Xavier Garcia i Tormo
High Energy Physics Division, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA

Joan Soto
Departament d’Estructura i Constituents de la Matèria and Institut de Ciències del Cosmos, Universitat de Barcelona, Diagonal 647, E-08028 Barcelona, Catalonia, Spain

Received 12 June 2009; published 14 August 2009

We compute the static energy of QCD at short distances at next-to-next-to-next-to-leading logarithmic accuracy in terms of the three-loop singlet potential. By comparing our results with lattice data we extract the value of the unknown piece of the three-loop singlet potential.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.80.034016
DOI:
10.1103/PhysRevD.80.034016
PACS:
12.38.Aw, 12.38.Bx, 12.38.Cy, 12.38.Gc
 
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