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Glueballs and k-strings in SU(N) gauge theories: calculations with improved operators

Abstract:

We test a variety of blocking and smearing algorithms for constructing glueball and string wave-functionals, and find some with much improved overlaps onto the lightest states. We use these algorithms to obtain improved results on the tensions of k-strings in SU(4), SU(6), and SU(8) gauge theories. We emphasise the major systematic errors that still need to be controlled in calculations of heavier k-strings, and perform calculations in SU(4) on an anisotropic lattice in a bid to minimise one ...

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Publication status:
Published

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Journal:
JOURNAL OF HIGH ENERGY PHYSICS
Volume:
8
Issue:
6
Pages:
283-326
Publication date:
2004-06-05
DOI:
EISSN:
1029-8479
ISSN:
1029-8479
URN:
uuid:5789409a-bc67-4ea4-88ae-926a44177031
Source identifiers:
324752
Local pid:
pubs:324752

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