3 papers
astro-ph.HE2025
Feasibility of ultra-high-energy cosmic ray backtracking through sparse local measurements of the Galactic magnetic field
S. Romanopoulos, M. Mastorakis, V. Pavlidou
Planned and ongoing campaigns for the acquisition of high-quality local measurements of the Galactic magnetic field (GMF) at interstellar cloud locations have generated intense int…
astro-ph.HE2025
IXPE Observations of the Blazar Mrk 501 in 2022: A Multiwavelength View
L. Lisalda, E. Gau, H. Krawczynski +157
The blazar Markarian 501 (Mrk 501) was observed on three occasions over a 4-month period between 2022 March and 2022 July with the Imaging X-ray Polarimetry Explorer (IXPE). In thi…
gr-qc2018
Cosmological screening and the phantom braneworld model
Sourav Bhattacharya, Stefanos R Kousvos, Stylianos Romanopoulos +1
The scalar and vector cosmological perturbations at all length scales of our Universe are studied in the framework of the phantom braneworld model. The model is characterized by th…