Results 31 to 40 of about 6,783,730 (366)

Constraining the Neutron Star Mass–Radius Relation and Dense Matter Equation of State with NICER. I. The Millisecond Pulsar X-Ray Data Set [PDF]

open access: yesAstrophysical Journal, 2019
We present the set of deep Neutron Star Interior Composition Explorer (NICER) X-ray timing observations of the nearby rotation-powered millisecond pulsars PSRs J0437−4715, J0030+0451, J1231−1411, and J2124−3358, selected as targets for constraining the ...
S. Bogdanov   +31 more
semanticscholar   +1 more source

Development of a powerful UCN source at PNPI's WWR-M reactor [PDF]

open access: yesEPJ Web of Conferences, 2019
The WWR-M reactor at PNPI is planned to be equipped with a high-flux source for ultracold neutrons (UCNs). The method of UCN production is based on neutron conversion in superfluid helium, exploiting the particular qualities of that quantum liquid.
Serebrov Anatolii   +10 more
doaj   +1 more source

Investigation on the heat resistance of neutron shielding materials for reactor cavity

open access: yesHe jishu, 2021
BackgroundHigh temperature neutron shielding of the reactor cavity in the third generation nuclear power plant requires a high temperature resistant shielding material, but there is no suitable material that meets the design requirements in the market ...
LIU Xiaoqiang   +3 more
doaj   +1 more source

Peering into the Dark Side: Magnesium Lines Establish a Massive Neutron Star in PSR J2215+5135 [PDF]

open access: yes, 2018
New millisecond pulsars (MSPs) in compact binaries provide a good opportunity to search for the most massive neutron stars. Their main-sequence companion stars are often strongly irradiated by the pulsar, displacing the effective center of light from ...
M. Linares, T. Shahbaz, J. Casares
semanticscholar   +1 more source

A sample holder for simultaneous neutron and dielectric spectroscopy – dielectric tests with glycerol, glycerol-water, water and phosphoric acid [PDF]

open access: yesEPJ Web of Conferences, 2022
We report on dielectric test measurements of a rectangular flat sample holder which serves as capacitor and which is aimed for simultaneous neutron and dielectric (n-DE) spectroscopy of acidic liquid samples.
Frick Bernhard   +5 more
doaj   +1 more source

Radiation of Neutron Stars Produced by Superfluid Core [PDF]

open access: yes, 2002
We find that neutron star interior is transparent for collisionless electron sound, the same way as it is transparent for neutrinos. In the presence of magnetic field the electron sound is coupled with electromagnetic radiation and form the fast ...
Amundsen L.   +17 more
core   +2 more sources

Bias Effects on g- and s-Factors in Westcott Convention

open access: yesApplied Sciences, 2021
For accuracy improvement of neutron activation analysis and neutron capture cross sections, bias effects are investigated on g- and s-factors in the Westcott convention.
Hideo Harada
doaj   +1 more source

Research on Neutronics Safety Parameters of the AP1000 Nuclear Reactor under Different Conditions

open access: yesEnergies, 2023
Changes in temperature during reactor operation may cause changes in physical parameters, leading to core overheating and accidents. It is essential to analyze and assess the safety parameters of the core under different operating conditions.
Xinyi Niu   +4 more
doaj   +1 more source

Forecasting Neutron Star Temperatures: Predictability and Variability [PDF]

open access: yesPhysical Review Letters, 2013
5 pages, 3 figures. Submitted to Phys.
Dany Page, Sanjay Reddy
openaire   +4 more sources

New analysis of neutron star constraints on asymmetric dark matter [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2018
Due to their extreme density and low temperature, neutron stars (NS) are efficient probes to unveil interactions between standard model and dark matter (DM) particles.
Raghuveer Garani   +2 more
semanticscholar   +1 more source

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