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Exotic hadrons with heavy quarks

Exotic hadrons with heavy quarks. Shigehiro Yasui KEK. 17-30 May. 2010@YITP. Contents. 1. Introduction Why do we use heavy quarks ? 2. Exotic heavy hadrons from QGP ・ Diquarks in QGP ・ Tcc tetraquarks and others ... ・ Charm/Bottom Nuclei 3. Discussion and Summary.

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Exotic hadrons with heavy quarks

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  1. Exotichadronswithheavyquarks ShigehiroYasui KEK 17-30 May. 2010@YITP

  2. Contents 1. Introduction Why do weuseheavyquarks? 2. Exoticheavyhadronsfrom QGP ・Diquarks in QGP ・Tcctetraquarks and others... ・Charm/BottomNuclei 3. Discussion and Summary

  3. 1. Introduction Variety of states of QCD matter Quantum Chromo Dynamics (QCD) Hadrons and Nuclei Dynamicalchiralsymmetrybreaking Quark-GluonPlasma Confinement of quarks and gluons Quark Matter U(1)Aanomaly ...... typicalfeatures in QCD QCD matter

  4. 1. Introduction Variety of states of QCD matter Quantum Chromo Dynamics (QCD) Hadrons and Nuclei Dynamicalchiralsymmetrybreaking Quark-GluonPlasma Confinement of quarks and gluons Quark Matter U(1)Aanomaly ...... typicalfeatures in QCD QCD matter Howcanweunderstandthemfrom QCD? → Very difficultfor light quarks

  5. 1. Introduction Heavy Quark MQ→∞ Heavy Quark Symmetry Heavy Quark EffectiveTheory (potential) non-relativistic QCD Lattice QCD Heavy Meson EffectiveTheory

  6. 1. Introduction Heavy Quark Diquarks in QGP MQ→∞ Heavy Quark Symmetry ExoticHadrons Heavy Quark EffectiveTheory (potential) non-relativistic QCD Lattice QCD Heavy Meson EffectiveTheory Charm/BottomNuclei

  7. 1. Introduction Heavy Quark Diquarks in QGP → uddiquarks in sQGP MQ→∞ Heavy Quark Symmetry ExoticHadrons Heavy Quark EffectiveTheory (potential) non-relativistic QCD Lattice QCD Heavy Meson EffectiveTheory Charm/BottomNuclei

  8. 1. Introduction Heavy Quark Diquarks in QGP → uddiquarks in sQGP MQ→∞ Heavy Quark Symmetry ExoticHadrons Heavy Quark EffectiveTheory → Tcc, Θcs, Hc, ... (potential) non-relativistic QCD Lattice QCD Heavy Meson EffectiveTheory Charm/BottomNuclei

  9. 1. Introduction Heavy Quark Diquarks in QGP → uddiquarks in sQGP MQ→∞ Heavy Quark Symmetry ExoticHadrons Heavy Quark EffectiveTheory → Tcc, Θcs, Hc, ... (potential) non-relativistic QCD Lattice QCD Heavy Meson EffectiveTheory Charm/BottomNuclei → newexoticnuclei

  10. Diquarks in QGP S. H. Lee, K. Ohnishi, SY, I.-K. Yoo, C.-M. Ko, Phy. Rev. Lett. 100, 222301 (2008) Y. Oh, C.-M. Ko, S. H. Lee, SY, Phys. Rev. C79, 044905 (2009)

  11. 2. Exoticheavyhadronsfrom QGP / Diquarks in QGP Diquarks in Baryons diquark (spin 0) interaction [MeV] N d d d d u c ud -150 Λ us -90 ds -90 s sc -15 uc -30 dc -30 Λc ub -10 sb -5 db -10 cb -2 u u u u uddiquarkisisolatedfromc and b Λb b

  12. 2. Exoticheavyhadronsfrom QGP / Diquarks in QGP Diquarks in QGP How to observediquarks? Phase diagram in sQGP

  13. 2. Exoticheavyhadronsfrom QGP / Diquarks in QGP Diquarks in QGP Λc How to observediquarks? uddiquark Phase diagram in sQGP + → d d c c u u

  14. 2. Exoticheavyhadronsfrom QGP / Diquarks in QGP Diquarks in QGP Λc How to observediquarks? uddiquark Phase diagram in sQGP + → b d d b u u

  15. ExoticHadrons in Diquark Model S. H. Lee, SY, W. Liu, C.-M. Ko, Eur. Phys. J. C54, 259 (2008) S. H. Lee, SY, Eur. Phys. J. C64, 283 (2009)

  16. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons Tetraquark Tcc(udcc) Tcc1 D*- D0 d c d + u c c c Tbb1 B.E. Tcc1 B.E. -123 MeV -74 MeV S=0 -61 MeV 3f 3f -4 MeV S=-1 u

  17. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons Tetraquark Tcc(udcc) Tbb1 B+ B*0 d d u b b + b b Tcc1 B.E. -74 MeV Tbb1 B.E. S=0 -123 MeV -4 MeV S=-1 3f 3f -61 MeV u

  18. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons Tetraquark Tcc(udcc) Tcb1 B*0 D0 d d b + u c c b Tcc1 B.E. Tbb1 B.E. -74 MeV -123 MeV S=0 -4 MeV -61 MeV S=-1 3f 3f Tcb1 B.E. Tcb0 B.E. u -59 MeV -21 MeV S=0 +3 MeV +24 MeV S=-1

  19. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons Tetraquark Tcc(udcc) How to observe Tcc in experiments? Tcc1 K+ π- π- c K+ π- d c K+ π- Tcb0 K+ π- u u b d c

  20. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons PentaquarkΘcs(udusc) Θcs Λ D0 u c + u u s s Θbs B.E. d d Θcs B.E. -56 MeV +8 MeV S=-1 c -56 MeV +8 MeV S=-2 3f u

  21. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons PentaquarkΘcs(udusc) Θbs Λ B+ u b b + u u s s Θbs B.E. d d Θcs B.E. -56 MeV +8 MeV S=-1 -56 MeV +8 MeV S=-2 3f u

  22. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons DibaryonHc(udusuc) Hc 6f

  23. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons DibaryonHc(udusuc) Hc Hb 6f 6f

  24. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons DibaryonHc(udusuc) Hc Hb H’cb 3f 6f 6f

  25. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons DibaryonHc(udusuc) Hc Hb H’cb 3f 6f 6f Hcb 15f

  26. 2. Exoticheavyhadronsfrom QGP / ExoticHadrons DibaryonHc(udusuc) Hc Hb H’cb 3f 6f 6f Hcb Hccb 8f 15f

  27. ExoticCharm/BottomNuclei SY and K. Sudoh, Phys. Rev. D80, 034008 (2009)

  28. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Strangeness Proton # Neutron # Charm

  29. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Strangeness (Hyperon/K) neutron proton Nucleus

  30. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Hyperon/K neutron proton Hypernucleus

  31. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Charm/Bottom (Λc, J/ψ, D, ... Λb, Υ, B, ...) neutron proton Nucleus

  32. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Charm/Bottom (Λc, J/ψ, D, ... Λb, Υ, B, ...) ??? neutron proton Nucleus

  33. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Q. What is the interaction between D (B) and N ? D (B) ?? N

  34. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Strangeness, Charm, Bottom, ... K N D N B N K N D N B N SU(3) SU(4) SU(5) Weinberg-Tomozawa Lutz-Kolomeitsev (2004), Hoffmann-Lutz (2005), Mizutani-Ramos (2006), Gamermann- Oset-Strottman-Vacas (2007), Haidenbauer-Krein-Meissner-Sibirtsev (2007), ...

  35. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Strangeness, Charm, Bottom, ... K* K* is almost irrelevant in dynamics. D* and B* are new ingredients! 400 MeV D* B* 140 MeV 45 MeV D B K 500 MeV 1870 MeV 5280 MeV

  36. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Strangeness, Charm, Bottom, ... K* K* is almost irrelevant in dynamics. D* and B* are new ingredients! 400 MeV D* B* 140 MeV 45 MeV D B K 500 MeV 1870 MeV 5280 MeV Chiral Symmetry Heavy Quark Symmetry

  37. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei KN interaction D(B)N interaction D* K B* N N N p p p, ω, ρ D B K N N N One pion is absent. (short range force) One pion is present. (long range force) Weinberg-Tomozawa One pion exchange potential (OPEP)

  38. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei KN interaction D(B)N interaction K B D N N N p p p, ω, ρ D* B* K N N N One pion is absent. (short range force) One pion is present. (long range force) Weinberg-Tomozawa One pion exchange potential (OPEP)

  39. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei KN interaction D(B)N interaction K B* D* N N N p p p, ω, ρ D* B* K N N N One pion is absent. (short range force) One pion is present. (long range force) Weinberg-Tomozawa One pion exchange potential (OPEP)

  40. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei DN and BN boundstates JP=1/2- (I=0) S-wave S-wave B* D* N N p p D B N N S-wave S-wave One pion exchange potential (OPEP)

  41. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei DN and BN boundstates JP=1/2- (I=0) D-wave D-wave B* D* N N p p D B N N S-wave S-wave One pion exchange potential (OPEP)

  42. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei DN and BN boundstates JP=1/2- (I=0) S-wave S-wave B* D* N N p p D* B* N N S-wave S-wave One pion exchange potential (OPEP)

  43. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei DN and BN boundstates JP=1/2- (I=0) D-wave D-wave B* D* N N p p D* B* N N S-wave S-wave One pion exchange potential (OPEP)

  44. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei DN and BN boundstates JP=1/2- (I=0) D-wave D-wave B* D* N N p p D* B* N N D-wave D-wave One pion exchange potential (OPEP)

  45. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei DN and BN boundstates JP=1/2- (I=0) D-wave D-wave B* D* N N p p B* D* N N D-wave D-wave One pion exchange potential (OPEP) Similarly→ JP=1/2- (I=1) and JP=3/2- (I=0, 1)

  46. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei DN and BN boundstates JP=1/2- (I=0) Strangeness Charm Bottom KN (pentaquark?) 100 MeV 2 MeV 15 MeV threshold DN bound state BN bound state sqqqq cqqqq bqqqq

  47. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei DN and BN boundstates JP=1/2- (I=0) Strangeness Charm Bottom KN (pentaquark?) 100 MeV 2 MeV 15 MeV threshold DN bound state BN bound state |DN; I=0> = |D-p> + |D0n> + |D*-p> + |D*0n> sqqqq cqqqq bqqqq weak decay D*→Dπisclosed. K+ p π - π -

  48. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Λ(1405) DN state H dibaryon BN state B.E. 15 MeV 2255 MeV 2807MeV 6217MeV 1433 MeV ΞN DN BN KN ΛΛ B.E. 2 MeV 2230MeV πΣ 1330 MeV

  49. 2. Exoticheavyhadronsfrom QGP / ExoticCharm/BottomNuclei Λ(1405) DN state H dibaryon BN state B.E. 15 MeV 2255 MeV 2807MeV 6217MeV 1433 MeV ΞN DN BN KN ΛΛ B.E. 2 MeV 2230MeV Charm/Bottom nuclei πΣ 1330 MeV Hypernuclei Knuclei

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