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Physics, Volume 4, Issue 2

June 2022 - 22 articles

Cover Story: Enthusiasm and skepticism constitute pillars for the advance of reliable science. Throughout history, they have spontaneously emerged in nearly all relevant stages, particularly when a new epistemological paradigm is involved. The generalization of the celebrated Boltzmann–Gibbs theory was proposed in 1988 based on nonadditive entropies including the Boltzmann–Gibbs–von Neumann–Shannon one as a particular instance. Both pillars have naturally been present from the very beginning of the proposal. These facts are illustrated as follows: enthusiasm in the sustained actions of Jean Cleymans, to whom this Special Issue is dedicated, and in the skeptical talk delivered by Joseph Kapusta in 2021. In the present paper, his critical arguments are one by one rebutted, focusing in particular on the first-principle physical foundations of the entropic index q. View this paper
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Articles (22)

  • Article
  • Open Access
3 Citations
3,307 Views
21 Pages

9 May 2022

The temporal evolution of pandemics described by the susceptible-infectious-recovered (SIR)-compartment model is sensitively determined by the time dependence of the infection (a(t)) and recovery (μ(t)) rates regulating the transitions from the su...

  • Article
  • Open Access
2 Citations
3,033 Views
13 Pages

Recent Achievements in NAA, PAA, XRF, IBA and AMS Applications for Cultural Heritage Investigations at Nuclear Physics Institute, Řež

  • Jan Kučera,
  • Jan Kameník,
  • Vladimír Havránek,
  • Ivana Krausová,
  • Ivo Světlík,
  • Kateřina Pachnerová Brabcová,
  • Marek Fikrle and
  • David Chvátil

28 April 2022

Five case studies are reported on the use of neutron and photon activation analysis (NAA and PAA, respectively), X-ray fluorescence (XRF) analysis, ion beam analysis (IBA), and accelerator mass spectrometry (AMS) for the elemental characterization or...

  • Article
  • Open Access
10 Citations
3,148 Views
18 Pages

Propagation of Cosmic Rays in Plasmoids of AGN Jets-Implications for Multimessenger Predictions

  • Julia Becker Tjus,
  • Mario Hörbe,
  • Ilja Jaroschewski,
  • Patrick Reichherzer,
  • Wolfgang Rhode,
  • Marcel Schroller and
  • Fabian Schüssler

28 April 2022

After the successful detection of cosmic high-energy neutrinos, the field of multiwavelength photon studies of active galactic nuclei (AGN) is entering an exciting new phase. The first hint of a possible neutrino signal from the blazar TXS 0506+056 l...

  • Article
  • Open Access
7 Citations
3,692 Views
11 Pages

26 April 2022

Forgeries exist in many fields. Money, goods, and works of art have been imitated for centuries to deceive and make a profit. In the field of Cultural Heritage, nuclear techniques can be used to study art forgeries. Ion beam analysis (IBA), as well a...

  • Article
  • Open Access
11 Citations
2,341 Views
11 Pages

u-Channel Color Transparency Observables

  • Garth M. Huber,
  • Wenliang B. Li,
  • Wim Cosyn and
  • Bernard Pire

22 April 2022

The paper proposes to study the onset of color transparency in hard exclusive reactions in the backward regime. Guided by the encouraging Jefferson Laboratory (JLab) results on backward π and ω electroproduction data at moderate virtuality Q...

  • Article
  • Open Access
4 Citations
2,679 Views
11 Pages

Hadronization and Color Transparency

  • Kai Gallmeister and
  • Ulrich Mosel

20 April 2022

In this paper, the earlier studies by us on the production of hadrons in a nuclear environment are reviewed. A string-breaking model for the initial production of hadrons and a quantum-kinetic Giessen-Boltzmann-Uehling-Uhlenbeck (GiBUU) transport mod...

  • Article
  • Open Access
6 Citations
6,142 Views
19 Pages

Relativity 4-ever?

  • Olga Chashchina and
  • Zurab Silagadze

13 April 2022

This essay is about superluminal motion. It is generally believed that special relativity prohibits movements faster than the speed of light. It is explained which motion is actually forbidden by special relativity and why. Tachyons are breafly discu...

  • Article
  • Open Access
4 Citations
2,893 Views
12 Pages

An Innovative Real-Time Dosimeter for Radiation Hardness Assurance Tests

  • Luigi Campajola,
  • Pierluigi Casolaro,
  • Elisa Maria Gandolfo,
  • Marcello Campajola,
  • Salvatore Buontempo and
  • Francesco Di Capua

7 April 2022

The study of the effects of the radiation dose on devices and materials is a topic of high interest in several fields, including radiobiology, space missions, microelectronics, and high energy physics. In this paper, a new method, based on radiochrom...

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Physics - ISSN 2624-8174