تقرير
Effects of Finite Temperature and Pairing Correlations in Multi-$\Lambda$ Hypernuclei
| العنوان: | Effects of Finite Temperature and Pairing Correlations in Multi-$\Lambda$ Hypernuclei |
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| المؤلفون: | Suleymanli, Bahruz, Bozkurt, Kutsal, Khan, Elias, Güven, Haşim, Margueron, Jérôme |
| المصدر: | Phys. Rev. C 110, 014329 (2024) |
| سنة النشر: | 2024 |
| المجموعة: | Nuclear Theory |
| مصطلحات موضوعية: | Nuclear Theory |
| الوصف: | The influence of finite temperatures and pairing correlations on the ground state properties of multi $\Lambda$- Ca, Sn and Pb hypernuclei is explored using finite temperature Hartree Fock Bogoliubov approach and contact pairing interaction. A critical temperature is predicted and is in agreement with the Bardeen Cooper Schrieffer relationship $k_B T_C^\Lambda \approx 0.5 \Delta^{T=0}_\Lambda$, beyond which pairing correlations drop to zero. Particle densities, $\Lambda$ single particle energies, and nuclear radii are weakly impacted by pairing as well as by finite temperatures. However, other nuclear properties which are more sensitive to pairing correlations, such as $\Lambda$ pairing gaps, condensation energies, and abnormal densities are also more impacted by finite temperature, especially around the critical temperature. Furthermore, calculations show the occurrence of the pairing re-entrance effect in the $^{280}_{70\Lambda}$Pb hyperon drip line hypernucleus. Our study provides insight into the thermal evolution of $\Lambda$ pairing, i.e. the emergence and vanishing of pairing correlations in multi $\Lambda$ hypernuclei as a function of temperature. Comment: 10 pages, 8 figures |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1103/PhysRevC.110.014329 |
| URL الوصول: | http://arxiv.org/abs/2403.09737 |
| رقم الأكسشن: | edsarx.2403.09737 |
| قاعدة البيانات: | arXiv |
| DOI: | 10.1103/PhysRevC.110.014329 |
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