Quark model description of the tetraquark state X(3872) in a relativistic constituent quark model with infrared confinement

Journal Article · Tue Jun 01 00:00:00 EDT 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.81.114007· OSTI ID:21407953

Dubnicka, S ^[1]; Dubnickova, A Z ^[2]; Ivanov, M A ^[3]; Koerner, J G ^[4]

---

1. Institute of Physics Slovak Academy of Sciences Dubravska, cesta 9 SK-842 28 Bratislava (Slovakia)
2. Comenius University, Department of Theoretical Physics Mlynska Dolina SK-84848 Bratislava (Slovakia)
3. Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna (Russian Federation)
4. Institut fuer Physik, Johannes Gutenberg-Universitaet, D-55099 Mainz (Germany)

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{yields}J/{psi}+2{pi}(3{pi}) and X{yields}D{sup 0}+D{sup 0}+{pi}{sup 0} via the intermediate off-shell states X{yields}J/{psi}+{rho}({omega}) and X{yields}D+D*. For reasonable values of the size parameter {Lambda}{sub X} of the X(3872) we find consistency with the available experimental data. We also discuss the possible impact of the X(3872) in a s-channel dominance description of the J/{psi} dissociation cross section.

• OSTI ID: 21407953
• Journal Information: Physical Review. D, Particles Fields, Vol. 81, Issue 11; Other Information: DOI: 10.1103/PhysRevD.81.114007; (c) 2010 The American Physical Society; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOUND STATE
CONFINEMENT
CROSS SECTIONS
D NEUTRAL MESONS
DISSOCIATION
J PSI-3097 MESONS
PARTICLE DECAY
PIONS NEUTRAL
QUARK MODEL
RELATIVISTIC RANGE
S CHANNEL
BOSONS
CHARM PARTICLES
CHARMED MESONS
CHARMONIUM
COMPOSITE MODELS
D MESONS
DECAY
ELEMENTARY PARTICLES
ENERGY RANGE
HADRONS
MATHEMATICAL MODELS
MESONS
PARTICLE MODELS
PIONS
PSEUDOSCALAR MESONS
QUARKONIUM
VECTOR MESONS