Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-09-10
Phys.Rev.D69:014010,2004; Erratum-ibid.D69:059901,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, REVTeX4, no figures. PACS nos.: 14.40.-n, 12.40.-y, 11.30.Rd, 13.25.Jx, 13.40.Hq, 13.25.Es, 13.25.Ft
Scientific paper
10.1103/PhysRevD.69.014010
By comparing SU(3)-breaking scales of linear mass formulae, it is shown that the lowest vector and scalar mesons all have a $\bar{q}q$ configuration, while the ground-state octet and decuplet baryons are $qqq$. Also, the quark-level linear $\sigma$ model is employed to predict similar $\bar{q}q$ and $qqq$ states. Furthermore, the approximate mass degeneracy of the scalar $a_0$(985) and $f_0$(980) mesons is demonstrated to be accidental. Finally, it is shown that various strong, electromagnetic, and weak mesonic decay rates are successfully explained within the framework of the quark-level linear $\sigma$ model.
Beveren Eef van
Kleefeld Frieder
Rupp George
Scadron Michael D.
No associations
LandOfFree
Ground-State Scalar $\bar{q}q$ Nonet: SU(3) Mass Splittings and Strong, Electromagnetic, and Weak Decay Rates 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 Ground-State Scalar $\bar{q}q$ Nonet: SU(3) Mass Splittings and Strong, Electromagnetic, and Weak Decay Rates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ground-State Scalar $\bar{q}q$ Nonet: SU(3) Mass Splittings and Strong, Electromagnetic, and Weak Decay Rates will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-348885