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The k=2 string tension in four-dimensional SU(N) gauge theories

Abstract:

We calculate the k = 2 string tension in SU(4) and SU(5) gauge theories in 3 + 1 dimensions, and compare it to the k = 1 fundamental string tension. We find, from the continuum extrapolation of our lattice calculations, that σk=2/σf = 1.40±0.08 in the SU(4) gauge theory, and that σk=2/σf = 1.56 ± 0.10 in SU(5). We remark upon the way this might constrain the dynamics of confinement and the intriguing implications it might have for the mass spectrum of SU(N) gauge theories. We also note that t...

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Publication status:
Published

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Journal:
PHYSICS LETTERS B
Volume:
501
Issue:
1-2
Pages:
128-133
Publication date:
2001-03-01
DOI:
ISSN:
0370-2693
URN:
uuid:5e16b4d1-9da8-4e13-9d56-fb9e96d8de44
Source identifiers:
324702
Local pid:
pubs:324702
Language:
English

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