## GROM(LS220L) (with Lambdas, with low densities)

#### Abstract

This EoS is an extension of the EoS by Lattimer and Swesty [LSNP_1991], including the Λ-hyperon as additional particle [GROMP_2013,OFNP_2012]. The hyperon-nucleon interaction is taken from the model by Balberg and Gal [BGNP_1997]. Photons and electrons/positrons are included as a free gas. The low density extension, below the validity range of the original Lattimer and Swesty EoS is based on a nuclear statistical equilibrium model, see Ref. [OFNP_2012]. Further details can be found in Refs. [GROMP_2013,GROP_2012,OFNP_2012]. A first application in the supernova context is described in Ref. [PONP_2013].

Nparam | = | 3 |

Particles | = | npae Bs NR |

T min | = | 1.05e-01 |

T max | = | 1.82e+02 |

T pts | = | 163 |

nb min | = | 1.00e-12 |

nb max | = | 1.19e+01 |

nb pts | = | 256 |

Y min | = | 3.00e-02 |

Y max | = | 5.00e-01 |

Y pts | = | 51 |

#### Nuclear Matter Properties

n_{s} |
= | 0.155 | fm^{-3} |

E_{0} |
= | 16.0 | Mev |

K | = | 220.0 | Mev |

K' | = | 411.0 | Mev |

J | = | 29.3 | Mev |

L | = | 74.0 | Mev |

K_{sym} |
= | -24.0 | MeV |

#### Neutron Star Properties

M_{max} |
= | 1.91 | M_{sun} |

MDU,e_{} |
= | 1.9 | M_{sun} |

R_{Mmax} |
= | 9.28 | km |

R_{1.4} |
= | 12.41 | km |

#### References

##### References to the original work:

- [LSNP_1991] J. M. Lattimer and F. D. Swesty, Nucl. Phys. A 535, 331 (1991)
- [GROMP_2013] F. Gulminelli, A. .R. Raduta, M. Oertel and J. Margueron, Phys. Rev. C 87, 05580 (2013)

##### Further references:

- [BGNP_1997] S. Balberg and A. Gal, Nucl. Phys. A 625, 435 (1997)
- [GROP_2012] F. Gulminelli, A. .R. Raduta and M. Oertel, Phys. Rev. C 86 , 025805 (2012)
- [PONP_2013] B. Peres, M. Oertel and J. Novak, Phys. Rev. D 87, 043006 (2013)
- [OFNP_2012] M. Oertel, A. F. Fantina and J. Novak, Phys. Rev. C 85, 055806 (2012)

#### Data sheet

#### Data

eos.zip (263.44 MB) |

eos.zip_checksum.txt |

## Single files |

eos.compo |

eos.init |

eos.micro |

eos.mr |

eos.nb |

eos.t |

eos.thermo |

eos.yq |