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Systematics of $\bar{Q}q^4$ systems with a pure chromomagnetic interaction

Abstract : In the framework of a pure chromomagnetic Hamiltonian, we study all the states of Q̅q4 systems allowed by the Pauli principle. The wave functions are analyzed by group-theoretical techniques in a first step where the antiquark has an infinite mass and the quarks belong to an SU(3)F multiplet. The breaking of these symmetries is performed exactly through two parameters η and δ. The emphasis is put on the corresponding energies relative to the physical thresholds in Q̅q+q3. We propose a number of new multiquarks which could be stable under strong interactions.
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http://hal.in2p3.fr/in2p3-00022889
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Submitted on : Wednesday, April 26, 2000 - 4:34:02 PM
Last modification on : Thursday, November 19, 2020 - 12:58:39 PM

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J. Leandri, B. Silvestre-Brac. Systematics of $\bar{Q}q^4$ systems with a pure chromomagnetic interaction. Physical Review D, American Physical Society, 1989, 40, pp.2340-2352. ⟨10.1103/PhysRevD.40.2340⟩. ⟨in2p3-00022889⟩

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