Dense matter with eXTP

Anna L. Watts*, Wen Fei Yu, Juri Poutanen, Shu Zhang, Sudip Bhattacharyya, Slavko Bogdanov, Long Ji, Alessandro Patruno, Thomas E. Riley, Pavel Bakala, Altan Baykal, Federico Bernardini, Ignazio Bombaci, Edward Brown, Yuri Cavecchi, Deepto Chakrabarty, Jérôme Chenevez, Nathalie Degenaar, Melania Del Santo, Tiziana Di SalvoVictor Doroshenko, Maurizio Falanga, Robert D. Ferdman, Marco Feroci, Angelo F. Gambino, Ming Yu Ge, Svenja K. Greif, Sebastien Guillot, Can Gungor, Dieter H. Hartmann, Kai Hebeler, Alexander Heger, Jeroen Homan, Rosario Iaria, Jean in’t Zand, Oleg Kargaltsev, Aleksi Kurkela, Xiao Yu Lai, Ang Li, Xiang Dong Li, Zhao Sheng Li, Manuel Linares, Fang Jun Lu, Simin Mahmoodifar, Mariano Méndez, M. Coleman Miller, Sharon Morsink, Joonas Nättilä, Andrea Possenti, Yu Peng Xu

*Corresponding author for this work

Research output: Contribution to journalReviewpeer-review

Abstract

In this White Paper we present the potential of the Enhanced X-ray Timing and Polarimetry (eXTP) mission for determining the nature of dense matter; neutron star cores host an extreme density regime which cannot be replicated in a terrestrial laboratory. The tightest statistical constraints on the dense matter equation of state will come from pulse profile modelling of accretion-powered pulsars, burst oscillation sources, and rotation-powered pulsars. Additional constraints will derive from spin measurements, burst spectra, and properties of the accretion flows in the vicinity of the neutron star. Under development by an international Consortium led by the Institute of High Energy Physics of the Chinese Academy of Sciences, the eXTP mission is expected to be launched in the mid 2020s.

Original languageEnglish
Article number29503
JournalScience China: Physics, Mechanics and Astronomy
Volume62
Issue number2
Number of pages17
ISSN1674-7348
DOIs
Publication statusPublished - 2019

Keywords

  • Dense matter
  • Equation of state
  • Neutron
  • X-rays

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