Article (Scientific journals)
Glueballs and the Yang-Mills plasma in a T-matrix approach
Lacroix, Gwendolyn; Semay, Claude; Cabrera, Daniel et al.
2013In Physical Review. D, Particles and Fields, 87
Peer reviewed
 

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Keywords :
[en] quark-gluon plasma; [en] T-matrix
Abstract :
[en] The strongly coupled phase of Yang-Mills plasma with arbitrary gauge group is studied in a T-matrix approach. The existence of lowest-lying glueballs, interpreted as bound states of two transverse gluons (quasi-particles in a many-body set up), is analyzed in a non-perturbative scat- tering formalism with the input of lattice-QCD static potentials. Glueballs are actually found to be bound up to 1.3 Tc. Starting from the T-matrix, the plasma equation of state is computed by resorting to Dashen, Ma and Bernstein's formulation of statistical mechanics and favorably compared to quenched lattice data. Special emphasis is put on SU(N) gauge groups, for which analytical results can be obtained in the large-N limit, and predictions for a G2 gauge group are also given within this work
Research center :
AGIF - Algèbre, Géométrie et Interactions fondamentales
Disciplines :
Physics
Author, co-author :
Lacroix, Gwendolyn ;  Université de Mons > Faculté des Sciences > Physique nucléaire et subnucléaire
Semay, Claude  ;  Université de Mons > Faculté des Sciences > Physique nucléaire et subnucléaire
Cabrera, Daniel
Buisseret, Fabien ;  Université de Mons > Faculté des Sciences > Physique nucléaire et subnucléaire
Language :
English
Title :
Glueballs and the Yang-Mills plasma in a T-matrix approach
Publication date :
20 March 2013
Journal title :
Physical Review. D, Particles and Fields
ISSN :
0556-2821
Publisher :
American Physical Society, Lancaster, Panama
Volume :
87
Peer reviewed :
Peer reviewed
Research unit :
S824 - Physique nucléaire et subnucléaire
Research institute :
R150 - Institut de Recherche sur les Systèmes Complexes
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