Role of Large Gluonic Excitation Energy for Narrow Width of Penta-Quark Baryons in QCD String Theory

Details Role of Large Gluonic Excitation Energy for Narrow Width of Penta-Quark Baryons in QCD String Theory Role of Large Gluonic Excitation Energy for Narrow Width of Penta-Quark Baryons in QCD String Theory

2004-12-20

arxiv.org/abs/hep-ph/0412296v1

Nucl.Phys. A755 (2005) 399-402

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at International Conference on the Structure of Baryons (Baryons 04) October 25 - 29, 2004, Ecole Polytechnique, Pa

Scientific paper

We study the narrow decay width of low-lying penta-quark baryons in the QCD string theoryin terms of gluonic excitations. In the QCD string theory, the penta-quark baryon decays via a gluonic-excited state of a baryon and meson system, where a pair of Y-shaped junction and anti-junction is created. Since lattice QCD shows that the lowest gluonic-excitation energy takes a large value of about 1 GeV, the decay of the penta-quark baryon near the threshold is considered as a quantum tunneling process via a highly-excited state (a gluonic-excited state) in the QCD string theory. This mechanism strongly suppresses the decay and leads to an extremely narrow decay width of the penta-quark system.

Affiliated with

Also associated with

No associations

Rating

Role of Large Gluonic Excitation Energy for Narrow Width of Penta-Quark Baryons in QCD String Theory does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Role of Large Gluonic Excitation Energy for Narrow Width of Penta-Quark Baryons in QCD String Theory, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Role of Large Gluonic Excitation Energy for Narrow Width of Penta-Quark Baryons in QCD String Theory will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-121436