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Heavy Baryons in Holographic QCD Using Higher Dimensional Degrees of Freedom

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Abstract

In these proceedings, we discuss baryon properties in holographic QCD. First, we propose a method of introducing a heavy flavor into the Sakai–Sugimoto model by regarding the gauge field of the extra dimension as a heavy meson. Using the Forgács–Manton method, we obtain an action consisting of light and heavy mesons. By performing collective coordinate quantization for the instanton of the light meson fields, we derive the mass formula of heavy baryons. Then, we investigate the decay properties of the Roper resonance using the Sakai–Sugimoto model.

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Acknowledgements

This work is supported in part by JSPS KAKENHI No. JP17K05441 (C) and Grants-in-Aid for Scientific Research on Innovative Areas (No. 18H05407).

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  1. Research Center for Nuclear Physics (RCNP), Ibaraki, Osaka, 567-0047, Japan

    Daisuke Fujii & Atsushi Hosaka

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  1. Daisuke Fujii
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  2. Atsushi Hosaka
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Correspondence to Daisuke Fujii.

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Fujii, D., Hosaka, A. Heavy Baryons in Holographic QCD Using Higher Dimensional Degrees of Freedom. Few-Body Syst 62, 34 (2021). https://doi.org/10.1007/s00601-021-01618-z

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  • DOI: https://doi.org/10.1007/s00601-021-01618-z

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