Speaker
Description
In this presentation, we investigate femtoscopy correlation functions to access the interactions of protons across various hadrons with different baryon numbers. Beginning with the proton-pion system, we apply the results of the unitarized chiral effective theory into the TROY (T-matrix-based Routine for HAdrOn FemtoscopY) framework to predict measurable correlation functions in high-multiplicity p+p collisions. Next, we explore the proton-omega baryon correlation (B=2) employing an effective theory that incorporates both the baryon octet and decuplet in combination with the Schrödinger equation. In this case we incorporate the $^3S_1$ channel, not included in the recent ALICE analysis, and leading to a potential impact of additional inelastic channels. Finally, we address the proton-deuteron (B=3) correlation function using an effective potential in higher partial waves to model correlation functions for both p+p (ALICE) and Au+Au (STAR) collisions. We obtain a reasonable description of the experimental data with a two-body dynamics challenging previous claims in the literature about the nature of the proton-deuteron interaction at low energies.
References
- Torres-Rincon, Ramos and Rufí, «A two-body femtoscopy approach to the proton-deuteron correlation function» 2410.23853 [nucl-th]
- Almazán and Torres-Rincon, «Approach to meson-baryon femtoscopy using effective field theories» 2410.12403 [hep-ph]
- Piquer, Parreño and Torres-Rincon «$p \Omega$ femtoscopy using baryon-baryon effective potentials» e-Print: 2409.16747 [nucl-th]
- ALICE Collaboration, «Exploring the Strong Interaction of Three-Body Systems at the LHC», Phys.Rev.X 14 (2024) 3, 031051, 2308.16120 [nucl-ex]
- ALICE Collaboration, Nature 588 (2020), 232-238, Nature 590 (2021), E13 (erratum), 2005.11495 [nucl-ex]
- STAR Collaboration, «Light Nuclei Femtoscopy and Baryon Interactions in 3 GeV Au+Au Collisions at RHIC», e-Print: 2410.03436 [nucl-ex]
| Category | Theory |
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