Quark-diquark models and baryonic fluctuations in QCD
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2019
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| _version_ | 1866910777224462336 |
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| author | Megias, E. Arriola, E. Ruiz Salcedo, L. L. |
| author_facet | Megias, E. Arriola, E. Ruiz Salcedo, L. L. |
| contents | We study the baryonic fluctuations of electric charge, baryon number and strangeness, by considering a realization of the Hadron Resonance Gas model in the light flavor sector of QCD. We elaborate on the idea that the susceptibilities can be saturated with excited baryonic states with a quark-diquark structure with a linearly confining interaction identical up to a constant to the quark-antiquark potential, $V_{qD}^\prime(r) = V_{q{\bar q}}^\prime(r)$. We obtain an overall good agreement with the spectrum obtained with other quark models and with lattice data for the fluctuations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1909_02039 |
| institution | arXiv |
| publishDate | 2019 |
| record_format | arxiv |
| spellingShingle | Quark-diquark models and baryonic fluctuations in QCD Megias, E. Arriola, E. Ruiz Salcedo, L. L. High Energy Physics - Phenomenology High Energy Physics - Lattice Nuclear Theory We study the baryonic fluctuations of electric charge, baryon number and strangeness, by considering a realization of the Hadron Resonance Gas model in the light flavor sector of QCD. We elaborate on the idea that the susceptibilities can be saturated with excited baryonic states with a quark-diquark structure with a linearly confining interaction identical up to a constant to the quark-antiquark potential, $V_{qD}^\prime(r) = V_{q{\bar q}}^\prime(r)$. We obtain an overall good agreement with the spectrum obtained with other quark models and with lattice data for the fluctuations. |
| title | Quark-diquark models and baryonic fluctuations in QCD |
| topic | High Energy Physics - Phenomenology High Energy Physics - Lattice Nuclear Theory |
| url | https://arxiv.org/abs/1909.02039 |