A relativistic quark model with infrared confinement and the tetraquark state

被引：7

作者：

Dubnicka, S. ^{[1
]}

Dubnickova, A. Z. ^{[2
]}

Ivanov, M. A. ^{[3
]}

Koerner, J. G. ^{[4
]}

Saidullaeva, G. G. ^{[5
]}

机构：

[1] Slovak Acad Sci, Inst Phys, Dubravska Cesta 9, SK-84228 Bratislava, Slovakia

[2] Comenius Univ, Dept Theoret Phys, SK-84848 Bratislava, Slovakia

[3] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia

[4] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[5] Al Farabi Kazak Natl Univ, Alma Ata 480012, Kazakhstan

来源：

IX INTERNATIONAL CONFERENCE ON QUARK CONFINEMENT AND THE HADRON SPECTRUM (QCHS IX) | 2011年 / 1343卷

关键词：

Relativistic quark model; confinement; exotic mesons; COMPOSITE PARTICLES; CHARMONIUM;

D O I：

10.1063/1.3575037

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We explore the consequences of treating the X(3872) meson as a tetraquark bound state. As dynamical framework we employ a relativistic constituent quark model which includes infrared confinement in an effective way. We calculate the decay widths of the observed channels X -> J/psi + 2 pi(3 pi) and X -> (D) over bar (0) + D-0 + pi(0) via the intermediate off-shell states X -> J/psi + rho(omega) and X -> (D) over bar + D*. For reasonable values of the size parameter Lambda(X) of the X(3872) we find consistency with the available experimental data.

引用

页码：385 / 387

页数：3

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