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Particles, Volume 6, Issue 3

September 2023 - 15 articles

Cover Story: Smith–Purcell radiation (SPR), which is generated when electrons pass just above a metal grating, is expected to be used for nondestructive measurements of the longitudinal bunch shape. To obtain information on the bunch shape from coherent SPR spectra, it is necessary to know the SPR spectrum from a single electron. We reconsidered the conventional surface current model and performed 3-D numerical calculations to take into account the geometric shading effects for the model. The cover figure shows images of induced surface currents with (near) and without (far) shading effects. The calculation results show that shading effects have a significant impact on the SPR intensity calculations, which is consistent with our measurements of angular distribution and polarization of coherent SPR. View this paper
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Articles (15)

  • Article
  • Open Access
8 Citations
1,861 Views
8 Pages
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Pre/Post-Merger Consistency Test for Gravitational Signals from Binary Neutron Star Mergers

  • Matteo Breschi,
  • Gregorio Carullo and
  • Sebastiano Bernuzzi
Particles2023, 6(3), 731-738;https://doi.org/10.3390/particles6030045

14 July 2023

Gravitational waves from binary neutron star (BNS) mergers can constrain nuclear models, predicting their equation of state (EOS). Matter effects on the inspiral-merger signal are encoded in the multipolar tidal polarizability parameters, whose leadi...

Full Article
  • Review
  • Open Access
7 Citations
2,508 Views
18 Pages
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Impact of Multiple Phase Transitions in Dense QCD on Compact Stars

  • Armen Sedrakian
Particles2023, 6(3), 713-730;https://doi.org/10.3390/particles6030044

14 July 2023

This review covers several recent developments in the physics of dense QCD with an emphasis on the impact of multiple phase transitions on astrophysical manifestations of compact stars. To motivate the multi-phase modeling of dense QCD and delineate...

Full Article
  • Article
  • Open Access
4 Citations
1,998 Views
10 Pages
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Electron Energy Spectrometer for MIR-THz FEL Light Source at Chiang Mai University

  • Kittipong Techakaew,
  • Kanlayaporn Kongmali and
  • Sakhorn Rimjaem
Particles2023, 6(3), 703-712;https://doi.org/10.3390/particles6030043

7 July 2023

The linear accelerator system of the PBP-CMU Electron Linac Laboratory has been designed with the aim of generating free-electron lasers (FELs) in the mid-infrared (MIR) and terahertz (THz) regions. The quality of the radiation is strongly dependent...

Full Article
  • Article
  • Open Access
1 Citations
2,302 Views
10 Pages
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Study of Coherent Smith–Purcell Radiation in the Terahertz Region Using Ultra-Short Electron Bunches

  • Hiroki Yamada,
  • Toshiya Muto,
  • Fujio Hinode,
  • Shigeru Kashiwagi,
  • Ken-ichi Nanbu,
  • Ken Kanomata,
  • Ikuro Nagasawa,
  • Ken Takahashi,
  • Koutaro Shibata and
  • Hiroyuki Hama
Particles2023, 6(3), 693-702;https://doi.org/10.3390/particles6030042

3 July 2023

Smith–Purcell radiation (SPR) can be generated nondestructively, providing valuable applications in light sources and beam monitors. Coherent SPR is expected to enable single-shot measurements of very short bunch lengths on the fs scale. Since...

Full Article
  • Article
  • Open Access
3 Citations
2,058 Views
11 Pages
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Neutrino Spectrum and Energy Loss Rates Due to Weak Processes on Hot 56Fe in Pre-Supernova Environment

  • A. A. Dzhioev,
  • A. V. Yudin,
  • N. V. Dunina-Barkovskaya and
  • A. I. Vdovin
Particles2023, 6(3), 682-692;https://doi.org/10.3390/particles6030041

28 June 2023

Applying TQRPA calculations of Gamow–Teller strength functions in hot nuclei, we compute the (anti)neutrino spectra and energy loss rates arising from weak processes on hot 56Fe under pre-supernova conditions. We use a realistic pre-supernova m...

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Particles - ISSN 2571-712X
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