Article (Scientific journals)
The structure of the Yang-Mills spectrum for arbitrary simple gauge algebras
Buisseret, Fabien
2011In European Physical Journal C. Particles and Fields, EPJC 71, p. 1651-1666
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Abstract :
[en] The mass spectrum of pure (SUSY) Yang-Mills theory in 3 + 1 dimensions is discussed for an arbitrary simple gauge algebra within a quasigluon picture. The general structure of the low-lying gluelump and glueball spectrum is shown to be common to all algebras, excepted the lightest C = - glueballs that only exist when the gauge algebra is Ar=2 , that is in particular su(N > 2). In the case of N = 1 SUSY Yang-Mills, the lowest-lying gluinoball is found lighter than the lightest glueball. The shape of the static energy between adjoint sources is also discussed assuming the Casimir scaling hypothesis; it appears to be gauge algebra-dependent when at least three sources are considered. Finally, the obtained results are shown to be consistent with existing lattice data in the particular case of an su(N ) gauge algebra.
Disciplines :
Physics
Author, co-author :
Buisseret, Fabien ;  Université de Mons > Faculté des Sciences > FS - Service du Doyen ; Université de Mons > Faculté des Sciences > Physique nucléaire et subnucléaire
Language :
English
Title :
The structure of the Yang-Mills spectrum for arbitrary simple gauge algebras
Publication date :
11 January 2011
Journal title :
European Physical Journal C. Particles and Fields
ISSN :
1434-6044
Publisher :
Springer, Germany
Volume :
EPJC 71
Pages :
1651-1666
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S824 - Physique nucléaire et subnucléaire
Available on ORBi UMONS :
since 25 January 2011

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