Colloquium - Dr. Bao-An Li | Department of Physics

Colloquium - Dr. Bao-An Li

Event Information
Event Date: 
Tuesday, February 21, 2017 - 3:15pm
Event Location: 
Physics Building - Room 104

Regents' Professor

Texas A&M University - Commerce

*Refreshments will be served in the Student Lounge at 3:15 PM

Title: Symmetry Energy of Neutron-Rich Matter and its Astrophysical Impacts

Abstract: To pin down the Equation of State (EOS) of neutron-rich nucleonic matter and understand its transport properties 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. 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. Nuclear reactions in terrestrial laboratories, especially those induced by highly neutron-rich radioactive beams, provide a unique means to probe experimentally the symmetry energy of neutron-rich matter. In this talk, I will discuss the main issues concerning the density dependence of nuclear symmetry energy, its astrophysical impacts and examples of current efforts to constrain it experimentally in terrestrial laboratories.

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