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Home Works

Home Works. Symposium Session at JPS. Half-day symposium session “Multi-quark hadrons probed by various flavors” @ March JPS meeting, Rikkyo University (Used Language: Englsih). Please come !. Write-up. All speakers; Please provide us with a 1(or2)-page summary with figure.

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Home Works

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  1. Home Works

  2. Symposium Session at JPS Half-day symposium session “Multi-quark hadrons probed by various flavors” @ March JPS meeting, Rikkyo University (Used Language: Englsih) Please come !

  3. Write-up All speakers; • Please provide us with a 1(or2)-page summary with figure. • Send it to hadron_ws@hepl.phys.nagoya-u.ac.jpby the end of this month. • We post it on the web.

  4. Home Works for Belle • B(DsJ(2317)  Dsg)/ B(DsJ(2317)  Dsp0) • B  D*+p-p+ (65MBB): M(D*+p-) update , D^ ? • B(X(3872)  y’g) : 3xB(X(3872)  J/yg) ? • X(3872)  J/y p0p0 ? (I=0 or 1) • X(3872) or X(tetra-quark) wg, hDg ? • e+e- Q +(1520)/L (1405)/baryon X • e+e- h X Fragmentation Func. (K/p/f0(980)) • X- Be/Si scattering  LL • Threshold effects for three-particles.

  5. Home Works for NP people • Proposal for analyses at Belle • Some topics as the first goal. • Belle BGM, March 23-24 • S-Belle BGM, March 17-19 Pass the PRC review, Nakano-san !

  6. Home Works for Theorists • So far works are done mainly for interpreting the observed phenomena. But, we need more predictions

  7. Multiquarks • Tetraquark qq- q*q*-correlations, [ud][ud], etc for σ, κ, f0, a0, Ds, … • Molecular type, Λ(1405), N(1535), … Heavy baryon analogues? Dynamical questions: • qq or qq* correlations -> formation of diquarks in hadrons • What is appropriate picture of hadron excitations quark excitation -> single particle -> quarkonia qq* creation -> multiquakrs • Mixing of different seeds. Do the number of states conserve? • Do they change as functions of flavors, density and temperature How to? • Spectroscopy, decays, productions, fragmentation functions Reaction dynamics • Effective Lagrangian method, tree level • Coupled channel dynamics-> interference, threshold effects • Physical meaning of model parameters, hadron loop, quark structure

  8. Roles of symmetry • Spontaneous breaking of chiral symmetry • mass generation of light quarks, constituent quarks • Dynamics of pions • Vector mesons • Gauge symmetry, Hidden gauge symmetry • Symmetry for heavy quark systems • change in spin-spin interactions (non-perturbative?) Make predictions and proposals for experiments Work with Lattice for inputs of models Find a reasonable effective model with quasi-particles From simplicity to variety

  9. Acknowledgement • Kato-san (G-COE office) • Sugiura-san • Harada-san • Hara-san • Students from H-lab. and N-lab. • Takemoto-san, Yamaoka-san, Hoshino-san, Wakayama-san. • Shiizuka-san, Arita-san.

  10. Thank you for coming to Weekend Workshop! Have a safe back.

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