Results 51 to 60 of about 809,761 (291)

Hyperons and Neutron Stars [PDF]

open access: yesProceedings of The Modern Physics of Compact Stars 2015 — PoS(MPCS2015), 2013
Abstract In this work we briefly review some of the effects of hyperons on neutron and proto-neutron star properties. We revise the problem of the strong softening of the EoS, and the consequent reduction of the maximum mass, due to the presence of hyperons, a puzzle which has become more intriguing due the recent measurements of the unusually high ...
openaire   +2 more sources

Sonoluminescence in neutron stars [PDF]

open access: yesPhysics Letters B, 1998
After a brief discussion of a possible relationship between the electroweak phase transition in highly compressed matter and gravitational collapse, we examine the speculative possibility that the electroweak phase transition might be contemporarily occurring in processes in neutron stars. We conjecture that adiabatic compression of neutron star matter
Simmons, Walter   +3 more
openaire   +2 more sources

Bayesian Model Selection of Unified Neutron Star EOSs in Multi-messenger Era

open access: yesYuanzineng kexue jishu, 2023
The equation of state (EoS) of neutron star matter plays a key role in both the structure and evolution of a neutron star. However, as lattice QCD faces significant difficulties in simulating dense matter, only effective models can be relied on to unveil
RUI Xingyu;MIAO Zhiqiang;XIA Chengjun
doaj   +1 more source

Neutrino treatment in multidimensional astrophysical simulations : a new spectral scheme [PDF]

open access: yes, 2014
Neutrinos play a central role in modern physics and astrophysics. Their extremely weak interaction rate with baryons and other leptons makes their detection on the Earth difficult and challenging.
Perego, Albino
core   +1 more source

Compactness of Neutron Stars

open access: yesPhysical Review Letters, 2015
Recent progress in the determination of both masses and radii of neutron stars is starting to place stringent constraints on the dense matter equation of state. In particular, new theoretical developments together with improved statistical tools seem to favor stellar radii that are significantly smaller than those predicted by models using purely ...
Wei-Chia, Chen, J, Piekarewicz
openaire   +3 more sources

Fusion Based Neutron Sources for Security Applications: Neutron Techniques [PDF]

open access: yes, 2014
The current reliance on X-Rays and intelligence for na- tional security is insufficient to combat the current risks of smuggling and terrorism seen on an international level. There are a range of neutron based security techniques which have the potential
Seviour, Rebecca, Albright, S.
core   +3 more sources

High-energy emissions from neutron star mergers [PDF]

open access: yesEPJ Web of Conferences, 2019
In 2017, LIGO-Virgo collaborations reported detection of the first neutron star merger event, GW170817, which is accompanied by electromagnetic counterparts from radio to gamma rays.
Kimura Shigeo S.
doaj   +1 more source

Cooling rates of neutron stars and the young neutron star in the Cassiopeia A supernova remnant

open access: yes, 2010
We explore the thermal state of the neutron star in the Cassiopeia A supernova remnant using the recent result of Ho & Heinke that the thermal radiation of this star is well described by a carbon atmosphere model and the emission comes from the ...
Dmitry G. Yakovlev   +10 more
core   +1 more source

Neutron- and neutrino-induced reactions : their physical description and influence on r-process calculations [PDF]

open access: yes, 2006
When I started this thesis my supervisors F. K. Thielemann and T. Rauscher spoke to me enthusiastically about the exciting and interesting field of nuclear astrophysics at our very first meeting.
Mocelj, Darko
core   +1 more source

Improving agnostic searches of Gravitational Waves from Neutron Star instabilities using image filtering [PDF]

open access: yes, 2022
In this paper I present a method to enhance the search sensitivity for long transient Gravitational Waves produced by Neutron Star instabilities.
Pierini, Lorenzo, Lorenzo Pierini
core   +1 more source

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