Universitat de Barcelona
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Política d’accés obert a la UB
Publicacions en accés obert derivades de l'activitat investigadora del professorat de la Universitat de Barcelona.
We study current experimental bounds on charged lepton flavor violating (CLFV) μ – e interactions in the model-independent framework of the Standard Model Effective Field Theory (SMEFT). Assuming a generic flavor structure ...
In light of the recent measurement of the η→π0γγ decay by the KLOE-2 Collaboration, a previous analysis including vector- and scalar-meson exchange contributions using the vector meson dominance and linear sigma model ...
The BL Lacertae object VER J0521+211 underwent a notable flaring episode in February 2020. A short-term monitoring campaign, led by the MAGIC (Major Atmospheric Gamma Imaging Cherenkov) collaboration, covering a wide energy ...
The BL Lacertae object VER J0521+211 underwent a notable flaring episode in February 2020. A short-term monitoring campaign, led by the MAGIC (Major Atmospheric Gamma Imaging Cherenkov) collaboration, covering a wide energy ...
Context. Jets in active galactic nuclei (AGN) have to cross significant distances within their host galaxies, meeting large numbers of</p><p>stars of different masses and evolution stages on their paths. Given enough time, ...
The BL Lacertae object VER J0521+211 underwent a notable flaring episode in February 2020. A short-term monitoring campaign, led by the MAGIC (Major Atmospheric Gamma Imaging Cherenkov) collaboration, covering a wide energy ...
Relativistic, charged, superheated bubbles may play an important role in neutron star mergers if first-order phase transitions are present in the phase diagram of quantum chromodynamics. We describe the properties of these ...
Context. The γ-ray emitting binary system LS I +61 303 exhibits periodic emission across the electromagnetic spectrum, extending from radio frequencies up to the very-high-energy regime. The most prominent features are ...
We conducted a study on the thermal properties of stellar matter with the nuclear energy density functional BCPM. This functionalis based on microscopic Brueckner–Hartree–Fock calculations and has demonstrated success in ...
Context. The Sagittarius (Sgr) stream is one of the best tools that we currently have to estimate the mass and shape of our Galaxy. However, assigning membership and obtaining the phase-space distribution of the stars that ...
The status of the Calar Alto Lunar Occultation Program is presented. This has been conducted at IR and optical wavelengths through OAN 1.5-m and CAHA 2.2-m telescopes, operating either with fast IR array or CCD. The ...
Motivated by gravitational-wave observations of binary neutron-star mergers, we study the thermal index of low-density, high-temperature dense matter. We use the virial expansion to account for nuclear interaction effects. ...
We study the decay J/ψ→π+π-π0 within the framework of the Khuri-Treiman equations. We find that the BESIII experimental dipion mass distribution in the ρ(770)-region is well reproduced with a once-subtracted P-wave amplitude. ...
Cherenkov Telescope Array Observatory (CTAO) is the next-generation ground-based <em>γ</em>-ray observatory operating in the energy range from 20GeV up to 300TeV, with two sites in La Palma (Spain) and Paranal (Chile). It ...
Context: LS 5039 is a system hosting a high-mass star and a compact object of unclear nature. There are hints that the system may host a strongly magnetized neutron star, a scenario that requires a mechanism to power its ...
Boron is an exotic element in space. However, although no boron- bearing molecules have yet been identified in the interstellar medium (ISM), its unique chemical properties suggest that it could play a pivotal role in ...
We present the current Standard Model (SM) prediction for the muon anomalous magnetic moment, aμ, updating the first White Paper (WP20) [1]. The pure QED and electroweak contributions have been further consolidated, while ...
Total L and Li subshell X-ray production cross-sections were determined experimentally for Mo by proton impact. The thick-target method was used, and the proton energies ranged from 200 keV to 3 MeV. The recorded X-ray ...
<p>We calculate differential and integrated cross sections for the Compton interaction as well as mass</p><p>attenuation (μC/ρ), mass energy-transfer (μC</p><p>tr/ρ), and mass energy-absorption (μen/ρ)</p><p>coefficients, ...
<p>We assess a new data set of mass electronic stopping powers of diamond for electrons and positrons.</p><p>To this end, an optical energy-loss function (OELF) for this material is generated from available</p><p>experimental ...
