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Particles, Volume 4, Issue 1

March 2021 - 11 articles

Cover Story: The center vortex model of quantum chromodynamics can explain confinement and chiral symmetry breaking by center vortices and closed color magnetic flux lines, percolating the vacuum. Their evolution in time creates a closed surface in four-dimensional spacetime. The SU(2) lattice simulation shows that the curvature of this surface correlates with fluctuations in color space and that color-homogeneous regions of finite size are embedded on the vortex surface. Both observations proved to be stable under Pisa cooling and for the investigated range of lattice spacings, hence they are expected to persist in smoothed lattice configurations. The vortex color structure is related to the chiral condensate. View this paper.
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Articles (11)

  • Article
  • Open Access
3 Citations
2,716 Views
13 Pages

3 March 2021

New analysis regarding the structure of center vortices is presented: Using data from gluonic SU(2) lattice simulation with Wilson action, a correlation of fluctuations in color space to the curvature of vortex fluxes was found. Finite size effects o...

  • Article
  • Open Access
5 Citations
2,919 Views
18 Pages

24 February 2021

Detection rates for the elastic and inelastic scattering of weakly interacting massive particles (WIMPs) off 23Na are calculated within the framework of Deformed Shell Model (DSM) based on Hartree-Fock states. At first, the spectroscopic properties o...

  • Conference Report
  • Open Access
2,648 Views
12 Pages

Transport Properties in Magnetized Compact Stars

  • Toshitaka Tatsumi and
  • Hiroaki Abuki

21 February 2021

Transport properties of dense quark matter are discussed in the strong magnetic field, B. B dependence as well as density dependence of the Hall conductivity is discussed, based on the microscopic Kubo formula. We took into account the possibility of...

  • Conference Report
  • Open Access
2 Citations
3,102 Views
8 Pages

Reconstruction of Photon Conversions in the MPD Experiment

  • Evgeny Kryshen,
  • Dmitry Ivanishchev,
  • Dmitry Kotov,
  • Mikhail Malaev,
  • Victor Riabov and
  • Yuriy Ryabov

17 February 2021

Spectra of thermal photons carry important information on the temperature of the hot and dense medium produced in heavy ion collisions. Photons can be measured via their conversion into electron-positron pairs in the detector material. In this contri...

  • Conference Report
  • Open Access
14 Citations
4,074 Views
6 Pages

Deep Learning Based Impact Parameter Determination for the CBM Experiment

  • Manjunath Omana Kuttan,
  • Jan Steinheimer,
  • Kai Zhou,
  • Andreas Redelbach and
  • Horst Stoecker

2 February 2021

In this talk we presented a novel technique, based on Deep Learning, to determine the impact parameter of nuclear collisions at the CBM experiment. PointNet based Deep Learning models are trained on UrQMD followed by CBMRoot simulations of Au+Au coll...

  • Conference Report
  • Open Access
6 Citations
2,970 Views
8 Pages

Resonance Reconstruction in the MPD

  • Dmitry Ivanishchev,
  • Dmitry Kotov,
  • Mikhail Malaev,
  • Victor Riabov and
  • Yury Ryabov

6 January 2021

The study of hadronic resonance production is an essential part of the physical programs of many heavy-ion experiments. Detailed measurement of the resonance properties is also foreseen in the future Multi-Purpose Detector (MPD) experiment at the NIC...

  • Article
  • Open Access
3 Citations
2,603 Views
8 Pages

6 January 2021

The integral parameters (mass, radius) of hot proto-quark stars that are formed in supernova explosion are studied. We use the MIT bag model to determine the pressure of up-down and strage quark matter at finite temperature and in the regime where ne...

  • Article
  • Open Access
17 Citations
3,583 Views
18 Pages

5 January 2021

Observations of non-random distribution of galaxies with opposite spin directions have recently attracted considerable attention. Here, a method for identifying cosine-dependence in a dataset of galaxies annotated by their spin directions is describe...

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Particles - ISSN 2571-712XCreative Common CC BY license