Conveners
Astrophysics: (1)
- Jorge Noronha (University of Illinois at Urbana-Champaign)
Functional forms of the neutron star Equation of State (EoS) are required to extract the viable EoS band from neutron star observations. Realistic nuclear EoSs, containing deconfined quarks or hyperons, present nontrivial features in the speed of sound such as bumps, kinks, and plateaus. Using modified Gaussian processes to model EoSs with nontrivial features, we show in a fully Bayesian...
In binary neutron-star mergers, violent changes in density drive the proton fraction out of equilibrium at timescales of milliseconds, comparable to those required by weak interactions to restore beta equilibrium. As a result, the pressure evolves out of phase with the density oscillations, giving rise to dissipative work that can be modeled as an effective bulk-viscous correction [1,2]. Near...
In this talk, I discuss the statistically determined equation of state of dense matter that fulfills the multimessenger constraints and determine the properties of dense matter found in neutron stars. I demonstrate that the speed of sound and trace anomaly are driven towards their conformal values at the center of maximally massive NSs. I argue that the local peak of the speed of sound is...
In this contribution, we describe new chemically-equilibrated charge neutral hybrid equations of state for neutron stars. They present a phase transition to deconfined quark matter and are differentiated by the particle population considered and how these particles interact. While some equations of state contain just nucleons and up, down-quarks, others also contain hyperons, Delta baryons,...
We derive the equations of motion of relativistic magnetohydrodynamics from the Boltzmann equation using the method of moments. We generalize the references [1, 2] and consider a fluid to be a locally neutral system composed of a particle with opposite charges, with vanishing dipole moment or spin, so that the fluid has vanishing magnetization and polarization.
We demonstrate that the...
Antinuclei can be produced in space either by collisions of high-energy cosmic rays with the interstellar medium or from the annihilation of dark matter particles stemming into standard model particles. High-energy hadronic collisions at accelerators create a suitable environment for producing light (anti)nuclei. Hence, studying the production of antinuclei in pp collisions at the LHC can...
