Doubly charmed mesons from hadronic molecules

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Doubly charmed mesons from hadronic molecules. KEK S. Yasui. Future Prospects of Hadron Physics at J-PARC and Large Scale Computational Physics @Ibaraki Quantum Beam Research Center 9-11 Feb. 2012. Contents. Introduction 2 . Doubly charmed mesons ( Tcc ) - PowerPoint PPT Presentation

Text of Doubly charmed mesons from hadronic molecules

Doubly charmed mesons from hadronic moleculesKEKS. YasuiFuture Prospects of Hadron Physics at J-PARC and Large Scale Computational Physics@Ibaraki Quantum Beam Research Center 9-11 Feb. 2012Introduction2. Doubly charmed mesons (Tcc) S. H. Lee, S.Y., W. Liu, C. M. Ko, Eur. Phys. C54, 259 (2008) S. H. Lee, S.Y., Eur. Phys. C64, 283 (2009) S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.07603. Other exotic heavy hadrons ( poster session) S.Y., K. Sudoh, Phys. Rev. D80, 034008 (2009) Y. Yamaguchi, S. Ohkoda, S.Y., A. Hosaka, Phys. Rev. D84, 014032 (2011) Y. Yamaguchi, S. Ohkoda, S.Y., A. Hosaka, arXiv:111.2691 (appear in PRD) S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1111.29214. SummaryContents

Eichten in QWG 2008 NaraMany new cc states above threshold1. Introductionquarkonium ccquarkonium cc+ exotic states1. IntroductionX(3872), X(3940), Y(4260), Z(4430)+, ... Yb , Zb+, ...Why are they exotic? unusual decay widths and branching ratios unexpected states different from cc quark modelccduZ(4430)+ (Zb+)Y(4260)ccgccuuX(3872)ccdu ccg hybridS. L. Zhu (2005)DD* (ccuu) molecule Tornqvist (1991) ccud (bbud)really tetraquark ccudreally tetraquarkDD* threshold ?gluon dynamics ?isospin correlation ?diquark correlation ?Tcc1cc Cornel potentialCoulomb 1/r + confinement kru dscbmQCD3 515020015004700 Chiral SymmetrySU(3)L x SU(3)R[MeV], K as Nambu-Goldstone bosonsChiral multiplets (-a1, N-N*, ...)Nuclei formed by tensor force...1. IntroductionMass scales and Symmetries(1405) and K nucleiu dscbmQCD3 515020015004700 Chiral SymmetrySU(3)L x SU(3)R[MeV], K as Nambu-Goldstone bosonsNuclei formed by tensor force...Chiral multiplets (-a1, N-N*, ...)1. IntroductionMass scales and Symmetries(1405) and K nucleiu dscbmQCD3 515020015004700 Chiral SymmetrySU(3)L x SU(3)R[MeV], K as Nambu-Goldstone bosonsNuclei formed by tensor force...SU(4)L x SU(4)R Chiral Symmetry???Chiral multiplets (-a1, N-N*, ...)1. IntroductionMass scales and Symmetries(1405) and K nucleiu dscbmQCD3 515020015004700 Chiral SymmetryHeavy Quark SymmetrySU(3)L x SU(3)RSU(2)spin x SU(Nh)[MeV], K as Nambu-Goldstone bosonsNuclei formed by tensor force...Chiral multiplets (-a1, N-N*, ...)1. IntroductionMass scales and Symmetries(1405) and K nucleiu dscbmQCD3 515020015004700 Chiral SymmetryHeavy Quark SymmetrySU(3)L x SU(3)RSU(2)spin x SU(Nh)[MeV], K as Nambu-Goldstone bosonsNuclei formed by tensor force(1405) and K nuclei...D-D* (c-c*, cc-cc*) mass degeneracy (heavy quark sym.)Charmed/Bottomed nuclei ?More exotics? (like Tcc)Chiral multiplets (-a1, N-N*, ...)1. IntroductionMass scales and SymmetriesX, Y, Z, 2. Doubly charmed mesons (Tcc)tetraquark Tcc1Zb (isospin 1)ccdu

BBI=1

NDD and nucleon

D bound nucleiD no strong annihilation no strong annihilation no strong annihilationtetraquark Tcc1Zb (isospin 1)ccdu

BBI=1

NDD and nucleon

D bound nucleiD2. Doubly charmed mesons (Tcc) no strong annihilation no strong annihilation no strong annihilationccduTcc1dc+Spin-color int. sBa (a=1,..,8) induces

?cc pair1/mQ2further suppressedD*-D0ud pair1/mQ0dominant attraction (3c, I=0, s=0)uccu pair1/mQ1suppressedtetraquark Tcc1Carlson, Heller, Tjon (1988)Silvestre-Brac and Semay (1993)Lee, SY, Liu and Ko (2008)Lee and SY (2009)explicitly exoticI(JP)=0(1+)2. Doubly charmed mesons (Tcc) no annihilationccduTcc1dc+Spin-color int. sBa (a=1,..,8) induces

?cc pair1/mQ2further suppressedD*-D0ud pair1/mQ0dominant attraction (3c, I=0, s=0)uccu pair1/mQ1suppressedtetraquark Tcc1Carlson, Heller, Tjon (1988)Silvestre-Brac and Semay (1993)Lee, SY, Liu and Ko (2008)Lee and SY (2009)explicitly exoticI(JP)=0(1+)2. Doubly charmed mesons (Tcc) no annihilationccduTcc1dc+Spin-color int. sBa (a=1,..,8) induces

D*-D0uctetraquark Tcc1No strong decayCarlson, Heller, Tjon (1988)Silvestre-Brac and Semay (1993)Lee, SY, Liu and Ko (2008)Lee and SY (2009)explicitly exoticI(JP)=0(1+)2. Doubly charmed mesons (Tcc) no annihilationcc pair1/mQ2further suppressedud pair1/mQ0dominant attraction (3c, I=0, s=0)cu pair1/mQ1suppressedccduTcc1dc+D*-D0uctetraquark Tcc1No strong decayCarlson, Heller, Tjon (1988)Silvestre-Brac and Semay (1993)Lee, SY, Liu and Ko (2008)Lee and SY (2009)explicitly exoticI(JP)=0(1+)2. Doubly charmed mesons (Tcc) no annihilation~ 75 MeVTcc1D* threshold (3880 MeV)DStable bound state (decay only weakly)2. Doubly charmed mesons (Tcc)dcD*Ductetraquark vs. hadronic molecule?meson exchange2. Doubly charmed mesons (Tcc)tetraquarkhadronic moleculeccdudeeply bound?shallow bound/resonance?(di)quarkD, D* mesond.o.fcolorisospinint.gluon-exchange (color-spin)meson-exchange (OPEP)massManohar, Wise (1993)Tornqvist, (1994)Ding, Liu, Yan (2009)Ohkoda, Yamaguchi, Y,Sudoh, Hosaka (2011)Manohar, Wise (1993)Tornqvist, (1994)Ding, Liu, Yan (2009)Ohkoda, Yamaguchi, Y,Sudoh, Hosaka (2011)dcD*Ductetraquark vs. hadronic molecule?meson exchange2. Doubly charmed mesons (Tcc)tetraquarkhadronic moleculeccdudeeply bound?shallow bound/resonance?(di)quarkD, D* mesond.o.fcolorisospinint.gluon-exchange (color-spin)meson-exchange (OPEP)massKKKKSU(3)DDDDBBBBWeinberg-TomozawaSU(4)SU(5)Strangeness, Charm, Bottom, ...2. Doubly charmed mesons (Tcc)???DBKK*D*B*400 MeV140 MeV45 MeVBut D* and B* are new ingredients!Chiral SymmetryHeavy Quark Symmetry500 MeV1870 MeV5280 MeVK* is almost irrelevant in dynamics...pseudo-scalarvectorStrangeness, Charm, Bottom, ...2. Doubly charmed mesons (Tcc)KKKKp, , Weinberg-TomozawaOne pion exchange potential (OPEP)D(*)D(*)D(*)D(*)

B(*)B(*)B(*)B(*)One pion is absent.(short range force)One pion is present. (long range force)p, , p, , Strangeness, Charm, Bottom, ...2. Doubly charmed mesons (Tcc)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760

withG. Burdman and J.F. Donoghue (1992)M.B. Wise (1992)T.-M. Yan, H.-Y. Cheng, C.-Y. Cheung, G.-L. Lin, Y.C. Lin and H.-L. Yu (1997)vector + pseudoscalarHeavy Quark SymmetryD(*)D(*)D(*)D(*)p, , P=D, BD(*) D(*) potential

D(*)D(*) vertexD(*)D(*) and D(*)D(*) vertexR. Casalbuoni et al, Phys. Rep. 281, 145 (1997)

Cf. NN, NN, NN vertex from Bonn potentialR. Machleidt et al, Phys. Rep. 149, 1 (1987)2. Doubly charmed mesons (Tcc)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760

withG. Burdman and J.F. Donoghue (1992)M.B. Wise (1992)T.-M. Yan, H.-Y. Cheng, C.-Y. Cheung, G.-L. Lin, Y.C. Lin and H.-L. Yu (1997)vector + pseudoscalarHeavy Quark SymmetryP=D, B

D(*)D(*) vertexD(*)D(*) and D(*)D(*) vertexR. Casalbuoni et al, Phys. Rep. 281, 145 (1997)

Cf. NN, NN, NN vertex from Bonn potentialR. Machleidt et al, Phys. Rep. 149, 1 (1987)from (D*D)from leptonic and radiative decay of BD(*) D(*) potentialD(*)D(*)D(*)D(*)p, , 2. Doubly charmed mesons (Tcc)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760

withG. Burdman and J.F. Donoghue (1992)M.B. Wise (1992)T.-M. Yan, H.-Y. Cheng, C.-Y. Cheung, G.-L. Lin, Y.C. Lin and H.-L. Yu (1997)vector + pseudoscalarHeavy Quark SymmetryP=D, B

D(*)D(*) vertexD(*)D(*) and D(*)D(*) vertexR. Casalbuoni et al, Phys. Rep. 281, 145 (1997)

Cf. NN, NN, NN vertex from Bonn potentialR. Machleidt et al, Phys. Rep. 149, 1 (1987)from (D*D)from leptonic and radiative decay of B

D(*)D(*)D(*)D(*)p, , D(*) D(*) potential2. Doubly charmed mesons (Tcc)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760D(*)D(*)D(*)D(*)p, ,

Form factor at each vetexN for NN(,) vertex is fixed to reproduce a deuteron. D,B/N = (rD,B/rN)-1rD,B,N : hadron size from quark model SY and Sudoh, PRD80, 034008 (2009)Yamaguchi, Ohkoda, SY, Hosaka, PRD84, 014032 (2011)Yamaguchi, Ohkoda, SY, Hosaka, arXiv:1112691 (appear in PRD)D(*) D(*) potential2. Doubly charmed mesons (Tcc)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760D(*)D(*)D(*)D(*)p, ,

Form factor at each vetexN for NN(,) vertex is fixed to reproduce a deuteron. D,B/N = (rD,B/rN)-1rD,B,N : hadron size from quark model SY and Sudoh, PRD80, 034008 (2009)Yamaguchi, Ohkoda, SY, Hosaka, PRD84, 014032 (2011)Yamaguchi, Ohkoda, SY, Hosaka, arXiv:1112691 (appear in PRD)D(*) D(*) potential2. Doubly charmed mesons (Tcc)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760All parameters (coupling constants, cut-offs) are fixed.2. Doubly charmed mesons (Tcc)I(JP) (J2) in D(*)D(*) states S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.07602. Doubly charmed mesons (Tcc)I(JP) (J2) in D(*)D(*) states

S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.07602. Doubly charmed mesons (Tcc)I(JP) (J2) in D(*)D(*) states

Tcc1S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.07602. Doubly charmed mesons (Tcc)I(JP) (J2) in D(*)D(*) states

Tcc1S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760DDD*D*D*D*S-waveS-waveD-wave(2) Tensor mixing (OPEP)(1) DD, DD*, D*D* mixingtetraquark vs. D(*)D(*) molecule2. Doubly charmed mesons (Tcc)tetraquarkTcc1S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760D(*)D(*) molecule tetraquark2. Doubly charmed mesons (Tcc)tetraquark vs. D(*)D(*) moleculetetraquarkTcc1D(*)D(*)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760D(*)D(*) molecule tetraquarkD(*)D(*) molecule tetraquark2. Doubly charmed mesons (Tcc)tetraquark vs. D(*)D(*) moleculetetraquarkTcc1D(*)D(*)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760D(*)D(*) molecule tetraquark2. Doubly charmed mesons (Tcc)tetraquark vs. D(*)D(*) moleculetetraquarkTcc1D(*)D(*)S. Ohkoda, Y. Yamaguchi, S.Y., K. Sudoh, A. Hosaka, arXiv:1202.0760Energy spectrum is very different !!(a) g.s. is negative parity.(b) many resonant states can exist.(c) I=1 state can exist.

D bound nucleiDtetraquark Tcc1Zb (isospin 1)ccdu

BBI=1

NDD and nucleo