Abstract
The Ho is the simplest and most plausible of the exotic multi-quark states originally derived from the MIT bag model.[l] It is a six-quark state with the quark composition of uuddss, baryon number B=2, spin-parity J π=O+, and strangeness S=−2. It is not a bound pair of distinct Λ particles (uds+uds), and it differs from both the deuteron (uud+udd) and the conjectured multi-hyperons in that all six quarks are contained in a single bag.† This particle has not yet been observed unambiguously.
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Llope, W.J. (1996). The BNL-AGS Experiment 896. In: Bauer, W., Westfall, G.D. (eds) Advances in Nuclear Dynamics 2. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9086-3_4
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