174 citations · 467 across the 18 of their papers we have counts for
18 papers
Dark matter self-annihilation as a hidden energy source in white dwarfs
Alvin Cheuk-Nam Chu, Cheuk-Man Yiu, Ching-Hui Lam +3
White dwarfs (WDs) are compact remnants of stars, supported by electron degeneracy pressure, and their structures are generally considered to be well understood. Significant discre…
Measuring the Low-Energy Weak Mixing Angle with Supernova Neutrinos
Chun-Ming Yip, Xu-Run Huang, Ming-chung Chu +1
The weak mixing angle is a fundamental parameter in the electroweak theory with a value running according to the energy scale, and its precision measurement in the low-energy…
Precision calibration of calorimeter signals in the ATLAS experiment using an uncertainty-aware neural network
ATLAS Collaboration
The ATLAS experiment at the Large Hadron Collider explores the use of modern neural networks for a multi-dimensional calibration of its calorimeter signal defined by clusters of to…
Phase-transition-induced collapse of proto-compact stars and its implication for supernova explosions
Xu-Run Huang, Shuai Zha, Ming-chung Chu +2
A hadron-quark phase transition (PT) may trigger supernova explosions during stellar core collapse. However, both success and failure have occurred in previous attempts to explode…
On the Nucleosynthesis in Accretion-Induced Collapse of White Dwarfs
Chun-Ming Yip, Ming-Chung Chu, Shing-Chi Leung +1
It has long been hypothesized that accretion-induced collapse (AIC) of white dwarfs contribute to heavy chemical elements production in the universe. We present one-dimensional neu…
Dark Matter Admixed Type Ia Supernovae
Shing-Chi Leung, Ming-Chung Chu, Lap-Ming Lin
We perform two-dimensional hydrodynamic simulations for the thermonuclear explosion of Chandrasekhar-mass white dwarfs with dark matter (DM) cores in Newtonian gravity. We include…
A new hydrodynamics code for Type Ia Supernovae
S. -C. Leung, M. -C. Chu, L. -M. Lin
A two-dimensional hydrodynamics code for Type Ia supernovae (SNIa) simulations is presented. The code includes a fifth-order shock-capturing scheme WENO, detailed nuclear reaction…
Wave-packet treatment of neutrino oscillations and its implications on determining the neutrino mass hierarchy
Yat-Long Chan, M. -C. Chu, Ka Ming Tsui +2
We derive the neutrino flavor transition probabilities with the neutrino treated as a wave packet. The decoherence and dispersion effects from the wave-packet treatment show up as…
An apparatus for studying spallation neutrons in the Aberdeen Tunnel laboratory
S. C. Blyth, Y. L. Chan, X. C. Chen +28
In this paper, we describe the design, construction and performance of an apparatus installed in the Aberdeen Tunnel laboratory in Hong Kong for studying spallation neutrons induce…
Dark-matter admixed white dwarfs
S. -C. Leung, M. -C. Chu, L. -M. Lin +1
We study the equilibrium structures of white dwarfs with dark matter cores formed by non-self-annihilating dark matter DM particles with mass ranging from 1 GeV to 100 GeV, which a…
Electron-positron Annihilation Lines and Decaying Sterile Neutrinos
M. H. Chan, M. -C. Chu
If massive sterile neutrinos exist, their decays into photons and/or electron-positron pairs may give rise to observable consequences. We consider the possibility that MeV sterile…
Dark-Matter Admixed Neutron Stars
S. -C. Leung, M. -C. Chu, L. -M. Lin
We study the hydrostatic equilibrium configuration of an admixture of degenerate dark matter and normal nuclear matter by using a general relativistic two-fluid formalism. We consi…
Observational evidences for the existence of 17.4 keV decaying degenerate sterile neutrinos near the Galactic Center
Man Ho Chan, Ming-Chung Chu
We show that the existence of a degenerate halo of sterile neutrinos with rest mass of 17.4 keV near the Galactic Center can account for both the excess 8.7 keV emission observed b…
Is the universe rotating?
Shi-Chun Su, M. -C. Chu
Models of a rotating universe have been studied widely since G{ö}del \cite{1}, who showed an example that is consistent with General Relativity (GR). By now, the possibility of a r…
A Predicted Relation between the Temperature and Density Profile of Cluster Hot Gas
M. H. Chan, M. C. Chu
Based on the assumptions that a fraction of cluster dark matter is composed of degenerate neutrinos and they are in hydrostatic equilibrium with other matter, we predict a relation…
Decaying Sterile Neutrinos as a Heating Source in the Milky Way Center
M. H. Chan, M. -C. Chu
Recent Chandra and Newton observations indicate that there are two-temperature components ( 8 keV, 0.8 keV) of the diffuse x-rays emitted from deep inside the center of Mil…
Heating the intergalactic medium by radiative decay of neutrinos
M. H. Chan, M. -C. Chu
Assuming that there exists a species of heavy sterile neutrinos( keV) and their decays can serve as a heating source of the hot gas in galaxy clusters, we study how the obse…
Motional dressed states in a Bose condensate: Superfluidity at supersonic speed
C. K. Law, C. M. Chan, P. T. Leung +1
We present an exact analytic solution of a nonlinear Schrödinger field interacting with a moving potential (obstacle) at supersonic speed. We show that the field forms a stable sha…