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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 l.jpg

Home Works


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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 !


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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.


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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.


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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 !


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Home Works for Theorists

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


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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


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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


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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.


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Thank you for coming

to Weekend Workshop!

Have a safe back.


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