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Eigenvalue Problem for a Reduced Dynamo Model in Thick Astrophysical Discs.
Publication Type: Academic Journal
Source(s): Mathematics (2227-7390). Jul2023, Vol. 11 Issue 14, p3106. 14p.
Abstract: Magnetic fields of different astrophysical objects are generated by the dynamo mechanism. Dynamo is based on the alpha-effect and differential rotation, which are described using a system of parabolic equations. Their solution is an important problem i...
Silicon Photomultipliers for Neutrino Telescopes.
Publication Type: Academic Journal
Source(s): Universe (2218-1997). Jul2023, Vol. 9 Issue 7, p326. 14p.
Abstract: Neutrino astronomy has opened a new window to the extreme Universe, entering into a fruitful era built upon the success of neutrino telescopes, which have already given a new step forward in this novel and growing field by the first observation of stea...
NEUTRINO COOLED DISK IN POST-MERGER SYSTEM STUDIED VIA NUMERICAL GR MHD SIMULATION WITH A COMPOSITION-DEPENDENT EQUATION OF STATE.
Publication Type: Conference
Source(s): Acta Physica Polonica B, Proceedings Supplement. 2023, Vol. 16 Issue 6, p1-9. 9p.
Abstract: The code HARM-COOL, a conservative scheme for relativistic magnetohydrodynamics, is being developed in our group and works with a tabulated equation of state of dense matter. This EOS can be chosen and used during dynamical simulation, instead of the s...
THE GENERAL RELATIVISTIC TWO-BODY PROBLEM AT 5PN.
Publication Type: Conference
Source(s): Acta Physica Polonica B, Proceedings Supplement. 2023, Vol. 16 Issue 6, p1-9. 9p.
Abstract: The general relativistic conservative compact binary dynamics is given through the fifth post-Newtonian (5PN) order. Through the 4PN order, the well-established methods and results get summarized. At the 5PN order, a recently completed computation is p...
PRECISION EXPERIMENTS WITH HEAVY-ION STORAGE RINGS.
Publication Type: Conference
Source(s): Acta Physica Polonica B, Proceedings Supplement. 2023, Vol. 16 Issue 4, p1-8. 18p.
Abstract: This contribution is based on our input to the NuPECC LRP on perspectives of precision experiments at heavy-ion storage rings in the realm of nuclear structure, atomic- and astrophysics. A focus here is on experiments with secondary beams of heavy ions...
ACTIVE TARGET TPC FOR STUDY OF PHOTONUCLEAR REACTIONS AT ASTROPHYSICAL ENERGIES.
Publication Type: Conference
Source(s): Acta Physica Polonica B, Proceedings Supplement. 2023, Vol. 16 Issue 4, p1-5. 5p.
Abstract: A setup designed to study photonuclear reactions at astrophysical energies -- an active target Time Projection Chamber was developed and constructed at the Faculty of Physics, University of Warsaw. The device was successfully employed in two experiment...
Nuclear data - an essential tool in nuclear astrophysics.
Publication Type: Conference
Source(s): EPJ Web of Conferences. 5/26/2023, Vol. 284, p1-6. 6p.
Abstract: Nuclear processes play an essential role for the evolution of many astrophysical objects and they are key to the origin of the elements in the Universe. Our understanding of the Universe has benefitted from the tremendous progress in nuclear physics wh...
Probing Lorentz violation at ultra-high energies using air showers.
Publication Type: Conference
Source(s): EPJ Web of Conferences. 4/28/2023, Vol. 283, p1-4. 4p.
Abstract: In air showers initiated by ultra-high-energy cosmic rays in the Earth's atmosphere, even the secondary particles created in the start-up phase are produced at energies far above those accessible by other means. These high-energy particles can be used ...
Progress and future prospect of the CRAFFT project for the next generation UHECR observatory.
Publication Type: Conference
Source(s): EPJ Web of Conferences. 4/28/2023, Vol. 283, p1-6. 6p.
Abstract: The next generation of ultra-high energy cosmic ray observations will require large detector arrays to achieve large statistics. In order to realize next-generation large-scale detector arrays, the Cosmic Ray Air Fluorescence Fresnel lens Telescope (CR...
Recent results from prototypes of the Fluorescence detector Array of Single-pixel Telescopes (FAST) in both hemispheres.
Publication Type: Conference
Source(s): EPJ Web of Conferences. 4/28/2023, Vol. 283, p1-6. 6p.
Abstract: The origin and nature of ultrahigh-energy cosmic rays (UHECRs) are of uppermost importance in astroparticle physics. Motivated by the need for an unprecedented aperture for further advancements, the Fluorescence detector Array of Single-pixel Telescope...