Multiquark hadrons = 4개의 콱으로 구성된 강입자

A new extended model (the MIT bag model) that implies many present understandings of hadron dynamics is reviewed. In the model the light hadron (Q$\overline{Q}$ mesons & QQQ baryons) structure is discussed and their mass spectra are given. Next the spectra and dominant decay couplings of S-wave $Q^2\overline{Q}^2$ mesons and the techniques for estimating them are presented. The dynamics is based on a quark-bag model of light, colored, and permanently confined quarks gauge-coupled to non-abelian colored gluons. Certain known $O^+$ mesons (ε, $S^*$, δ, K) are assigned to the lightest crypto-exotic S-wave $Q^2\overline{Q}^2$ nonet. Finally $Q^2\overline{Q}^2$ mesons which couple strongly to the B$\overline{B}$ channel are classified. The quantum numbers and masses of prominent states are predicted from the MIT-bag model. The couplings of $Q^2\overline{Q}^2$ states to BB are estimated using 3Po model and peripherality. Important $Q^2\overline{Q}^2$ resonances in the elastic N$\overline{N}$ scattering and the N$\overline{N} → $\pi\pi$ process are enumerated. Baryoniums T(2.15), U(2.31), and V(2.48) are assigned to $Q^2\overline{Q}^2$ states with high angular momenta.
Advisors
Kim, Jae-Kwanresearcher김재관researcher
Publisher
한국과학기술원
Issue Date
1979
Identifier
62396/325007 / 000771128
Language
eng
Description

학위논문 (석사) - 한국과학기술원 : 물리학과, 1979, [ [ii], 94 p. ]

URI
http://hdl.handle.net/10203/47936
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=62396&flag=t
Appears in Collection
PH-Theses_Master(석사논문)
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