Chiral doublers of heavy-light baryons

We discuss the consequences of the chiral doubling scenario for baryons built of heavy and light quarks. In particular, we use the soliton description for baryons, demonstrating why each heavy-light baryon should be accompanied by the opposite parity partner. Our argumentation holds both for ordinary baryons and for exotic heavy pentaquarks which are required by the symmetries of QCD to appear in parity doublets, separated by the mass shift of the chiral origin. Interpreting the recently observed by BaBaR, CLEO, and Belle Collaborations charmed mesons with assignment ${(0}^{+}{,1}^{+})$ as the parity partners of known D and ${D}^{*}$ mesons, allows us to estimate the parameters of the mesonic effective Lagrangian, and in consequence, estimate the masses of ground states and excited states of both parities. In particular, we interpret the state recently reported by the H1 experiment at HERA as a parity partner ${\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\Theta}}}_{c}^{0}(3099)$ of yet undiscovered ground-state pentaquark ${\ensuremath{\Theta}}_{c}^{0}(2700).$

[1]  E. al.,et al.  Evidence for a narrow |S |= 1 baryon state at a mass of 1528 MeV in quasi-real photoproduction , 2003, hep-ex/0312044.

[2]  E. al.,et al.  Observation of a narrow meson decaying to Ds+π0γ at a mass of 2.458 GeV/c2 , 2003, hep-ex/0310050.

[3]  I. Klebanov,et al.  Is Θ+(1540) a kaon–skyrmion resonance? , 2003, hep-ph/0309305.

[4]  M. Kubantsev,et al.  Evidence for formation of a narrow KS0p resonance with mass near 1533 MeV in neutrino interactions , 2003, hep-ex/0309042.

[5]  M. Praszałowicz Pentaquark in the Skyrme model , 2003, hep-ph/0308114.

[6]  Ho Won Jang,et al.  Observation of the D(sJ)(2317) and D(sJ)(2457) in B decays. , 2003, Physical review letters.

[7]  F. Wilczek,et al.  Diquarks and exotic spectroscopy. , 2003, Physical review letters.

[8]  J. Napolitano,et al.  Observation of an exotic S = +1 baryon in exclusive photoproduction from the deuteron. , 2003, Physical review letters.

[9]  S. Moretti,et al.  One-loop weak corrections to the bb̄ cross section at TeV energy hadron colliders , 2003, hep-ph/0307021.

[10]  Pavlunin,et al.  Observation of a narrow resonance of mass 2.46 GeV/c2 decaying to D*s+π0 and confirmation of the D*sJ(2317) state , 2003, hep-ex/0305100.

[11]  F. Fazio,et al.  Understanding DsJ(2317) , 2003, hep-ph/0305140.

[12]  E. Eichten,et al.  Chiral multiplets of heavy - light mesons , 2003, hep-ph/0305049.

[13]  A. Dolgolenko,et al.  Observation of a baryon resonance with positive strangeness in K+ collisions with Xe nuclei , 2003, hep-ex/0304040.

[14]  D. Leith,et al.  Observation of a narrow meson state decaying to D(+)(s)pi(0) at a mass of 2.32 GeV/c(2). , 2003, Physical review letters.

[15]  E. al.,et al.  Evidence for a narrow S = +1 baryon resonance in photoproduction from the neutron. , 2003, Physical review letters.

[16]  H. Weigel,et al.  Generalization of the Bound State Model , 1997, hep-ph/9704358.

[17]  D. Diakonov,et al.  Exotic anti-decuplet of baryons: prediction from chiral solitons , 1997, hep-ph/9703373.

[18]  M. Nowak,et al.  Chiral Nuclear Dynamics , 1996 .

[19]  Park,et al.  Heavy quark symmetry and the Skyrme model. , 1994, Physical review. D, Particles and fields.

[20]  Y. Oh,et al.  Pentaquark exotic baryons in the Skyrme model , 1994, hep-ph/9405297.

[21]  Hill,et al.  Chiral dynamics and heavy quark symmetry in a solvable toy field-theoretic model. , 1993, Physical review. D, Particles and fields.

[22]  Nowak,et al.  Excited heavy mesons. , 1993, Physical review. D, Particles and fields.

[23]  K. Goeke,et al.  The SU(3)-Nambu-Jona-Lasinio soliton in the collective quantization formulation , 1993 .

[24]  Nowak,et al.  Chiral effective action with heavy-quark symmetry. , 1992, Physical review. D, Particles and fields.

[25]  A. Manohar,et al.  Properties of baryons containing a heavy quark in the Skyrme model , 1992, hep-ph/9208221.

[26]  E. Jenkins,et al.  Baryons containing a heavy quark as solitons , 1992, hep-ph/9205243.

[27]  H. Weigel,et al.  Strange baryons as chiral solitons of the Nambu-Jona-Lasinio model , 1992 .

[28]  D. Riska,et al.  The energy levels of the heavy flavour baryons in the topological soliton model , 1992 .

[29]  K. Goeke,et al.  Strange baryons in the solitonic sector of the Nambu-Jona-Lasinio model , 1992 .

[30]  Cheng,et al.  Heavy-quark symmetry and chiral dynamics. , 1992, Physical review. D, Particles and fields.

[31]  H. Weigel,et al.  The strange chiral soliton of the Nambu-Jona-Lasinio model , 1992 .

[32]  G. Burdman,et al.  UNION OF CHIRAL AND HEAVY QUARK SYMMETRIES , 1992 .

[33]  M. Wise,et al.  Chiral perturbation theory for hadrons containing a heavy quark. , 1992, Physical review. D, Particles and fields.

[34]  Y. Oh,et al.  Massive-quark baryons as skyrmions: Magnetic moments , 1991 .

[35]  Isgur,et al.  Spectroscopy with heavy-quark symmetry. , 1991, Physical review letters.

[36]  D. Riska,et al.  Charmed baryons as soliton - D meson bound states , 1990 .

[37]  C. Callan,et al.  Bound-state approach to strangeness in the Skyrme model , 1985 .

[38]  M. Praszałowicz A comment on the phenomenology of the SU(3) Skymre model , 1985 .

[39]  M. Nowak,et al.  SU(3) extension of the skyrme model , 1984 .

[40]  Frank Wilczek,et al.  Appearance of Gauge Structure in Simple Dynamical Systems , 1984 .

[41]  E. Guadagnini Baryons as solitons and mass formulae , 1984 .

[42]  E. Witten Global Aspects of Current Algebra , 1983 .

[43]  E. Shuryak Hadrons containing a heavy quark and QCD sum rules , 1982 .

[44]  E. Shuryak THE STRUCTURE OF HADRONS CONTAINING A HEAVY QUARK , 1980 .

[45]  T. Skyrme A Unified Field Theory of Mesons and Baryons , 1962 .