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The symmetry energy γ parameter of relativistic mean-field models

Chinese physics C 2018年第6期42卷 88-100页

作者： Mariana Dutra Odilon Lourenco Or Hen Eliezer piasetzky debora p.menezes Departamento de Ciencias da Natureza Universidade Federal Fluminense28895-532Rio das OstrasR JBrazil Universidade Federal do Rio de Janeiro 27930-560MacaeR JBrazil Massachusetts Institute of Technology CambridgeMassachusetts 02139USA School of physics and Astronomy Tel Aviv UniversityTel Aviv 69978Israel Depto de Fisica-CFM-Universidade Federal de Santa Catarina FlorianSpolis-SC-CP.476-CEP 88.040-900Brazil

The relativistic mean-field models tested in previous works against nuclear matter experimental values,critical parameters and macroscopic stellar properties are revisited and used in the evaluation of the symmetry energyγ parameter obtained in three different ways. We have checked that, independent of the choice made to calculate theγ values, a trend of linear correlation is observed between γ and the symmetry energy（S0） and a more clear linear relationship is established between γ and the slope of the symmetry energy（L0）. These results directly contribute to the arising of other linear correlations between γ and the neutron star radii of R（1.0） and R（1.4）, in agreement with recent findings. Finally, we have found that short-range correlations induce two specific parametrizations, namely,IU-FSU and DD-MEδ, simultaneously compatible with the neutron star mass constraint of 1.93≤M（max）/M☉≤2.05 and with the overlap band for the L0 ×S0 region, to present γ in the range of γ=0.25±0.05.

关键词： symmetry energy relativistic mean-field models nuclear matter

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Severe dengue in the intensive care unit

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Journal of Intensive Medicine 2024年第1期4卷 16-33页

作者： Alexandre Mestre Tejo debora Toshie Hamasaki Letícia Mattos menezes Yeh-Li Ho Intensive Care Unit Department of Intensive Medicine of the Cancer Institute of the State of São PauloHospital das Clínicas da Faculdade de Medicina da Universidade de São PauloSão PauloBrazil Transfusion Medicine and Cell Therapy Department A.C.Camargo Cancer CenterSão PauloBrazil Intensive Care Unit of Infectious Disease Department Hospital das Clínicas da Faculdade de Medicina da Universidade de São PauloSão PauloBrazil

Dengue fever is considered the most prolific vector-borne disease in the world,with its transmission rate increasing more than eight times in the last two *** most cases present mild to moderate symptoms,5%of patients can develop severe *** the mechanisms are yet not fully comprehended,immune-mediated activation leading to excessive cytokine expression is suggested as a cause of the two main findings in critical patients:increased vascular permeability that may shock and thrombocytopenia,and coagulopathy that can induce *** risk factors of severe disease include previous infection by a different serotype,specific genotypes associated with more efficient replication,certain genetic polymorphisms,and comorbidities such as diabetes,obesity,and cardiovascular *** World Health Organization recommends careful monitoring and prompt hospitalization of patients with warning signs or propensity for severe disease to reduce *** review aims to update the diagnosis and management of patients with severe dengue in the intensive care unit.

关键词： Severe dengue Intensive care units Shock pathogenesis Diagnosis Management

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