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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2503.13668 |
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| _version_ | 1866911034653016064 |
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| author | Abreu, Luciano M. Torres-Rincon, Juan M. |
| author_facet | Abreu, Luciano M. Torres-Rincon, Juan M. |
| contents | The femtoscopic $D \bar D $ correlations correlation functions are investigated to predict the signature of the not-yet-established $X(3700)$ state. Here it is interpreted as a bound state generated by solving the coupled-channel Bethe-Salpeter equations with the local hidden-gauge formalism. We prospect how the relevant properties and observables characterizing this state -- like the pole position, scattering lengths and compositeness -- might be affected by the variation of the parameters of the model. The amplitudes are then used as input into the momentum correlation functions of the $D^0 \bar D^0$ and $D^+ D^- $ pairs. We discuss how their behaviors encode the features of the $X(3700)$ state. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_13668 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Searching for femtoscopic signatures of the $D \bar D (I=0) \ [X(3700)]$ bound state Abreu, Luciano M. Torres-Rincon, Juan M. High Energy Physics - Phenomenology The femtoscopic $D \bar D $ correlations correlation functions are investigated to predict the signature of the not-yet-established $X(3700)$ state. Here it is interpreted as a bound state generated by solving the coupled-channel Bethe-Salpeter equations with the local hidden-gauge formalism. We prospect how the relevant properties and observables characterizing this state -- like the pole position, scattering lengths and compositeness -- might be affected by the variation of the parameters of the model. The amplitudes are then used as input into the momentum correlation functions of the $D^0 \bar D^0$ and $D^+ D^- $ pairs. We discuss how their behaviors encode the features of the $X(3700)$ state. |
| title | Searching for femtoscopic signatures of the $D \bar D (I=0) \ [X(3700)]$ bound state |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2503.13668 |