INPAC-Seminar 262

Title:

Equation of State of Neutron-Rich Matter and its Astrophysical Impacts

Speaker:

Prof. Bao-An Li

(Department of Physics and Astronomy, Texas A&M University-Commerce, Texas, USA)

Time and place:

10:00, December 19 (Tuesday), 2017, Lecture Hall/INPAC (上海交通大学粒子和核物理研究所，包玉刚图书馆东楼四楼(从北门进))

Abstract

To pin down the Equation of State (EOS) of neutron-rich nucleonic matter has long been a major science driver for both nuclear physics and astrophysics. Nuclear symmetry energy encoding the energy cost of converting protons into neutrons in nuclear medium has been the most uncertain part of the EOS of neutron-rich nucleonic matter especially at high densities. The magnitude and density dependence of nuclear symmetry energy determine the radii and cooling rates of neutron stars as well as the strain amplitude and frequencies of gravitational waves from spiraling neutron star binaries. Heavy-ion reactions provide a unique means in terrestrial laboratories to probe the symmetry energy of neutron-rich matter. In this talk, I will discuss the main issues concerning the high-density symmetry energy, its astrophysical impacts and examples of current efforts to constrain it both experimentally and theoretically.

                                                                                                                               Host： Prof. Lie-Wen Chen