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Particles, Volume 7, Issue 3

September 2024 - 23 articles

Cover Story: The entropy of a spherical source producing Unruh radiation is calculated for a finite exponential energy spectrum. The approach utilizes the von Neumann entropy of the outer Rindler modes and is based on information theory methods. Spherical symmetry of the system implies independent contribution of an angular momentum operator and its projection. Estimates are generalized for arbitrary multiplicities, thus allowing us to analyze both bosons and fermions. Emission spectra are assumed to be homogeneous with respect to any other intrinsic degrees of freedom of the emitted quanta. The results are represented in an analytical form. View this paper
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Articles (23)

  • Article
  • Open Access
5 Citations
18,363 Views
14 Pages

12 August 2024

Recent advancements have shown tensions between observations and our current understanding of the Universe. Such observations may include the H0 tension and massive galaxies at high redshift that are older than traditional galaxy formation models hav...

  • Article
  • Open Access
2 Citations
1,555 Views
11 Pages

8 August 2024

To this day, the nature of dark matter (DM) remains elusive despite all our efforts. This type of matter has not been directly observed, so we infer its gravitational effect. Since galaxies and supermassive objects like these are most likely to conta...

  • Article
  • Open Access
2,172 Views
9 Pages

Beamline Optimisation for High-Intensity Muon Beams at PSI Using the Heterogeneous Island Model

  • Eremey Valetov,
  • Giovanni Dal Maso,
  • Peter-Raymond Kettle,
  • Andreas Knecht and
  • Angela Papa

1 August 2024

The High Intensity Muon Beams (HIMB) project at the Paul Scherrer Institute (PSI) will deliver muon beams with unprecedented intensities of up to 1010muons/s for next-generation particle physics and material science experiments. This represents a hun...

  • Review
  • Open Access
1 Citations
1,776 Views
30 Pages

26 July 2024

We review and meta-analyze particle data and properties of hadrons with measured rest masses. The results of our study are summarized as follows. (1) The strong-force suppression of the repulsive Coulomb forces between quarks is sufficient to explain...

  • Article
  • Open Access
1 Citations
1,894 Views
6 Pages

24 July 2024

This paper attempts to classify various blinding strategies used in particle physics. It argues that the blinding technique is not used consistently throughout searches for new physics. More importantly, the blinding technique, in its traditional sen...

  • Article
  • Open Access
1,866 Views
13 Pages

22 July 2024

Unruh effect entropy is estimated for a spherically symmetric source with an exponential energy distribution; angular degrees of freedom are suggested to be equally likely to contribute. Calculations are performed with an assumption about finite ener...

  • Article
  • Open Access
1,797 Views
11 Pages

New Physics Opportunities at the DUNE Near Detector

  • Pantelis Melas,
  • Dimitrios K. Papoulias and
  • Niki Saoulidou

15 July 2024

Focusing on elastic neutrino–electron scattering events, we explore the prospect of constraining new physics beyond the Standard Model at the DUNE Near Detector (ND). Specifically, we extract the attainable sensitivities for motivated scenarios...

  • Communication
  • Open Access
1 Citations
5,313 Views
20 Pages

Transforming DIY Geiger Counter Kits into Muon Detectors for Education and Scientific Exploration

  • Marco Arcani,
  • Domenico Liguori,
  • Andrea Frassà,
  • Altea Renata Maria Nemolato,
  • Omar Del Monte and
  • Cesare Guaita

12 July 2024

Any Geiger counter can be used as an effective cosmic ray detector on its own. In fact, it is known that even in the absence of a radioactive source, the instrument detects what is known as background radiation, which consists of various types of ion...

  • Article
  • Open Access
1 Citations
1,405 Views
8 Pages

29 June 2024

The deformed shell model (DSM), based on Hartree–Fock intrinsic states with angular momentum projection and band mixing, has been found to be quite successful in describing many spectroscopic properties of nuclei in the A = 60–100 region....

  • Article
  • Open Access
2 Citations
1,533 Views
19 Pages

29 June 2024

Background: From new results presented in the literature we discuss the hypothesis, presented in an our previous work, that the ultrafast periodic spectral modulations at fS=0.607±0.08 THz found in the spectra of 236 stars of the Sloan Digital...

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Particles - ISSN 2571-712X