Title

Mechanism for a Next-to-Lowest Lying Scalar Meson Nonet

Author(s)/Creator(s)

Joseph Schechter, Department of Physics, Syracuse University, Syracuse, NYFollow
Deirdre Black, Syracuse UniversityFollow
Amir H. Fariborz, Syracuse University

Document Type

Article

Date

7-27-1999

Language

English

Disciplines

Physics

Description/Abstract

Recent work suggests the existence of a non-conventional lowest-lying scalar nonet containing the a0(980). Then the a0(1450) and also the K0*(1430) are likely candidates to belong to a conventional p-wave q \bar q nonet. However a comparison of their properties with those expected on this basis reveals a number of puzzling features. It is pointed out that these puzzles can be resolved in a natural and robust way by assuming a ``bare'' conventional p-wave scalar q \bar q nonet to mix with a lighter four quark qq \bar q \bar q scalar nonet to form new ``physical'' states. The essential mechanism is driven by the fact that the isospinor is lighter than the isovector in the unmixed qq \bar q \bar q multiplet.

Additional Information

22 pages, 6 figures More information available at http://arxiv.org/abs/hep-ph/9907516

Recommended Citation

Schechter, Joseph; Black, Deirdre; and Fariborz, Amir H., "Mechanism for a Next-to-Lowest Lying Scalar Meson Nonet" (1999). Physics - All Scholarship. 293.
https://surface.syr.edu/phy/293

Source

Harvested from Arxiv.org

Creative Commons License

This work is licensed under a Creative Commons Attribution 3.0 License.