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Search for the N$\Omega$ bound state with the STAR detector at RHIC

Not scheduled
15m
2nd Floor

2nd Floor

Renaissance Portsmouth-Norfolk Waterfront Hotel 425 Water Street Portsmouth, VA 23704
Abstract Submission

Speaker

Dr Neha Shah (S.V. National Institute of Technology, India and Shanghai Institute of Applied Physics, China)

Description

Content The N$\Omega$ state with JP = $2^{+}$ and I = 1/2 are interesting candidates among the exotic hardons [1]. Unlike the deuteron, the N$\Omega$ state can be a compact six-quark state. Several attempts have been made to estimate the binding energy of the N$\Omega$ state in different quantum chromodynamics motivated models and they predict a bound state for the N$\Omega$. The two-particle correlation function study allows one to extract final state interaction parameters. This method has been already used in experiments to study final state interactions between different particle species, like antiproton-antiproton and $\Lambda-\Lambda$. The two-particle correlation function of the proton-$\Omega$ is sensitive to the presence of the bound state [2] and can serve as a good observable to look for the N$\Omega$ signal in the heavy-ion collisions. We will discuss new STAR measurement of the two-particle correlation function for the proton-$\Omega$ from Au+Au collision at $\sqrt{s_{NN}}$=200 GeV. Reference: [1] J.T. Goldman, K. Maltman, G.J. Stephenson, K.E. Schmidt and F. Wang, Phys. Rev. Lett. 59, 627 (1987). [2] K. Morita, A. Ohnishi, F. Etminan and T. Hatsuda, Phys. Rev. C 94, 031901 (R) (2016).

Primary author

Dr Neha Shah (S.V. National Institute of Technology, India and Shanghai Institute of Applied Physics, China)

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