Constituent gluon interpretation of glueballs and gluelumps

[en] Arguments are given that support the interpretation of the lattice QCD glueball and gluelump spectra in terms of bound states of massless constituent gluons with helicity 1. In this scheme, we show that the mass hierarchy of the currently known gluelumps and glueballs is mainly due to the number of constituent gluons and can be understood within a simple flux tube model. It is also argued that the lattice QCD 0+- glueball should be seen as a four-gluon bound state. We finally predict the mass of the 0- state, not yet computed in lattice QCD.

Research center :

AGIF - Algèbre, Géométrie et Interactions fondamentales

Disciplines :

Physics

Author, co-author :

Boulanger, Nicolas ; Université de Mons > Faculté des Sciences > Mécanique et gravitation

Buisseret, Fabien ; Université de Mons > Faculté des Sciences > Physique nucléaire et subnucléaire

Mathieu, Vincent ; Université de Mons > Faculté des Sciences > Physique nucléaire et subnucléaire

Semay, Claude

Language :

English

Title :

Constituent gluon interpretation of glueballs and gluelumps

Publication date :

01 December 2008

Journal title :

European Physical Journal. A, Hadrons and Nuclei

ISSN :

1434-6001

Publisher :

Springer, Germany

Volume :

Issue :

Pages :

317-330

Peer reviewed :

Peer Reviewed verified by ORBi

Research unit :

S824 - Physique nucléaire et subnucléaire

Research institute :

R150 - Institut de Recherche sur les Systèmes Complexes

Available on ORBi UMONS :

since 10 July 2010

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