The $\Xi^* \bar{K}$ and $\Omega \eta$ interaction within a chiral unitary approach - INSPIRE

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The $\Xi^* \bar{K}$ and $\Omega \eta$ interaction within a chiral unitary approach

Oct 26, 2015

4 pages

Published in:

Commun.Theor.Phys. 65 (2016) 1, 53-56

Published: Jan 21, 2016

e-Print:

1510.07419 [nucl-th]

DOI:

10.1088/0253-6102/65/1/53

View in:

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Abstract: (IOP)

In this work we study the interaction of the coupled channels Ωη and

{\Xi}^{\ast}\bar{K}

within the chiral unitary approach. The systems under consideration have total isospins 0, strangeness S = −3, and spin 3/2. We study the s wave interaction which implies that the possible resonances generated in the system can have spin-parity J(P) = 3/2(−). The unitary amplitudes in coupled channels develop poles that can be associated with some known baryonic resonances. We find there is a dynamically generated 3/2(−) Ω state with mass around 1800 MeV, which is in agreement with the predictions of the five-quark model.

Note:

4 pages, 3 figures, published on the Communications in Theoretical Physics

13.60.Le
12.39.Mk
13.25.Jx
Chiral Unitary Approach
Ω excited states
Xi
anti-K
unitarity
coupled channel
chiral

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