The family of strange multiquarks related to the Ds(2317) and Ds(2457)

Abstract

I study the Ds(2317) and Ds(2457) discovered at BABAR, CLEO and BELLE, and find that they belong to a class of strange S=-1 tetraquarks and pentaquarks, which is equivalent to the class of kaonic molecules bound by short range attraction. In this class of hadrons a kaon is strongly trapped by a s-wave meson or baryon. To describe this class of multiquarks the Resonating Group Method is applied to a standard quark model with chiral symmetry breaking, and the short range kaon-meson(baryon) interactions are extracted. A criterion is derived to classify the attractive channels. I conclude that the mesons Bs(0+), Bs(1+), and the baryons Omega cc, Omega cb, Omega bb clearly belong to the new hadronic class of the Ds(2317) and Ds(2457). The hadrons f0(980), Lambda, Sigma c, Sigma b possibly belong to a related family.

7 pages, 3 figures, 2 tables, RevTex4

References in corpus (26)

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• Evidence for Narrow S=+1 Baryon Resonance in Photo-production from Neutron
• Observation of a Narrow Meson Decaying to Ds+pi0 at a Mass of 2.32 GeV/c^2
• Chiral Dynamics of the Two Λ(1405) States
• Observation of a Narrow Resonance of Mass 2.46 GeV/c^2 Decaying to D_s^*+ pi^0 and Confirmation of the D_sJ^* (2317) State
• Chiral Multiplets of Heavy-Light Mesons
• Observation of an Exotic $S=+1$ Baryon in Exclusive Photoproduction from the Deuteron
• Observation of a baryon resonance with positive strangeness in K+ collisions with Xe nuclei
• Implications of a DK Molecule at 2.32 GeV
• On heavy-light meson resonances and chiral symmetry
• Observed D_s(2317) and tentative D(2100-2300) as the charmed cousins of the light scalar nonet
• Observation of a near-threshold enhancement in th p pbar mass spectrum from radiative J/psi-->gamma p pbar decays
• A low-lying scalar meson nonet in a unitarized meson model
• Observation of the DsJ(2317) and DsJ(2457) in B decays
• On meson resonances and chiral symmetry
• Quark mass dependence of s-wave baryon resonances
• The DsJ(2317): what can the Lattice say?
• On charm baryon resonances and chiral symmetry
• The Theta+ (1540) as a heptaquark with the overlap of a pion, a kaon and a nucleon
• Continuum bound states K-long, D_{1}(2420), D_{s1}(2536) and their partners K-short, D_{1}(2400), D*_{sJ}(2463)
• Analytic proof that the Quark Model complies with the PCAC theorems
• Classification of the scalar mesons: a strange pole expedition into charm and beauty territory
• Recoupling matrix elements and decay
• Chiral doublers of heavy-light baryons
• Quark Schwinger-Dyson Evaluation of the l1, l2 Coefficients in the Chiral Lagrangian
• Analytical approach to chiral symmetry breaking in Minkowsky space

Cited by in corpus (21)

• Molecular components in P-wave charmed-strange mesons
• Chromomagnetism, flavour symmetry breaking and S-wave tetraquarks
• Contribution of constituent quark model $c\bar{s}$ states to the dynamics of the $D_{s0}^{\ast }(2317)$ and $D_{s1}(2460)$ resonances
• Radiative and pionic transitions from the $D_{s1}(2460)$ to the $D_{s0}^{\ast }(2317)$
• From the Kappa via the Ds0*(2317) to the chi_c0: connecting light and heavy scalar mesons
• Importance of meson-meson and of diquark-antidiquark creation operators for a $\bar{b}\bar{b}ud$ tetraquark
• The X(3872) and the 3941 MeV peak in omega+J/Psi
• The $D_{s0}(2590{)}^{+}$ as the dressed $c\bar{s}(2^1{S}_0)$ meson in a coupled-channels calculation
• A quark model suggestion against Ds*(2317) and Ds*(2460) as chiral partners of standard Ds
• Lowest lying even-parity ${\bar{B}}_s$ mesons: heavy quark spin-flavor symmetry, chiral dynamics, and constituent quark model bare masses
• Quark--antiquark states and their radiative transitions in terms of the spectral integral equation. {\Huge II.} Charmonia
• Microscopic 8-quark study of the antikaon nucleon nucleon systems
• Production of $P-$wave charmed and charmed-strange mesons in pion and kaon induced reactions
• Scalar and axial-vector mesons
• Electric transitions of the charmed-strange mesons in a relativistic quark model
• Production of the $D_{s0}(2317)$ and $D_{s1}(2460)$ by kaon-induced reactions on a proton target
• P-Wave Charmed-Strange Mesons
• Predictions of α-decay half-lives for neutron-deficient nuclei with the aid of artificial neural network
• Prediction of the masses and decay processes of strange, charmed and bottomed pentaquarks from the linear molecular crypto-heptaquark model
• ${\bar{D}}^0{D}^{0\ast }$ $(D^0{\bar{D}}^{0\ast })$ System in QCD-Improved Many Body Potential
• The hexaquark-flavoured antiK-N-N state computed microscopically with a clusterized octoquark