### Abstract

The symmetry energy describes how the energy of nuclear matter rises as one goes away from equal numbers of neutrons and protons. This is very important to describe neutron rich matter in astrophysics. This article reviews our knowledge of the symmetry energy from theoretical calculations, nuclear structure measurements, heavy-ion collisions, and astronomical observations. We then present a roadmap to make progress in areas of relevance to the symmetry energy that promotes collaboration between the astrophysics and the nuclear physics communities.

Original language | English |
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Article number | 093001 |

Journal | Journal of Physics G: Nuclear and Particle Physics |

Volume | 41 |

Issue number | 9 |

DOIs | |

Publication status | Published - 2014 Sep 1 |

### Keywords

- heavy-ion collisions
- neutron stars
- symmetry energy

### ASJC Scopus subject areas

- Nuclear and High Energy Physics

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## Cite this

Horowitz, C. J., Brown, E. F., Kim, Y., Lynch, W. G., Michaels, R., Ono, A., Piekarewicz, J., Tsang, M. B., & Wolter, H. H. (2014). A way forward in the study of the symmetry energy: Experiment, theory, and observation.

*Journal of Physics G: Nuclear and Particle Physics*,*41*(9), [093001]. https://doi.org/10.1088/0954-3899/41/9/093001