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Light hybrid baryons in QCD sum rules

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arxiv 2507.18221 v1 pith:5HOTTZDR submitted 2025-07-24 hep-ph

Light hybrid baryons in QCD sum rules

classification hep-ph
keywords baryonshybriddeltalightnegative-paritypositive-parityrulescalculated
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have calculated the mass spectra of nucleon and delta hybrid baryons with both positive-parity and negative-parity by using the method of QCD sum rules. We predicte that the lowest-lying hybrid baryons are the negative-parity $N_{1/2^-}$ and $\Delta_{1/2^-}$ states, while the positive-parity ones are much heavier. We suggest to search for these light hybrid baryons via the $\chi_{cJ}/\Upsilon$ decay processes in the future.

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