909 citations · 6k across the 134 of their papers we have counts for
142 papers
A possible interpretation of the LUX-ZEPLIN recoil event in the 2HD+a scenario
Giorgio Arcadi, Mattia di Mauro, Abdelhak Djouadi +1
It is tantalizing to consider the recent observation of the LUX-ZEPLIN (LZ) experiment of a high energy nuclear recoil candidate at keV as the long-awai…
Photons, jets and missing momentum from a two-vector dark sector
Yara do Amaral Coutinho, Benjamin Fuks, Mark D. Goodsell +4
We investigate the LHC phenomenology of a vector dark-sector effective theory containing two neutral massive vector states, both odd under a dark-parity symmetry. The lightest stat…
Dark Matter as a Source for Lepton Flavor Violation
Jeremy Echeverria, Patricio Escalona, Farinaldo Queiroz +1
We will witness enormous progress in the experimental sensitivity to charged-lepton-violation processes in the near future. New physics signals of charged lepton violation might be…
Multi-Component Dark Matter as a Solution to the Galactic Center GeV Excess
Farinaldo S. Queiroz, Clarissa Siqueira, Carlos E. Yaguna
The Galactic Center Excess (GCE) is a compelling signature of dark matter annihilation, but its spectral morphology is difficult to reconcile with the traditional paradigm of a sin…
Latin American HECAP Physics Briefing Book 2025
Mario A. Acero, Alexis A. Aguilar-Arevalo, Belén Andrada +24
The first process for the Latin American Strategy Forum for Research Infrastructure for High Energy, Cosmology and Astroparticle Physics (LASF4RI-HECAP) came to a conclusion in Oct…
Cosmological Constraints on Long-Lived Particles Using Dimension-Six Effective Operators
Mickael V. S. de Farias, Rodrigo Holanda, Matheus M. A. Paixao +2
Long-lived particles (LLPs) provide an interesting window into physics beyond the Standard Model, offering characteristic signatures at colliders and in cosmology. In this work, we…
Search for Axions and Dark Photons Using Single Molecule Magnets
Jose R. Alves, Manfred Lindner, Farinaldo S. Queiroz +1
Molecular magnets, although analogous to familiar macroscopic magnets, offer a platform for next generation magnetic storage technologies with far higher data densities and prospec…
MuCol Milestone Report No. 7: Consolidated Parameters
Rebecca Taylor, Antoine Chancé, Dario Augusto Giove +459
This document is comprised of a collection of consolidated parameters for the key parts of the muon collider. These consolidated parameters follow on from the October 2024 Prelimin…
Type I + II Seesaw Model in light of the New Neutrino Oscillation Measurements
Maria Aguilar, Juan Carlos Helo, Toshihiko Ota +3
Global analysis of neutrino oscillation data slightly favors normal mass ordering. In this work, we investigate an extended scalar sector that naturally gives rise to a type I + II…
Constraining Effective Field Theories for dark matter candidates annihilating into gamma-ray lines with CTAO
Lucia Angel, Debasish Borah, Jacinto P. Neto +2
Gamma-ray lines constitute a smoking gun signature for annihilating dark matter particles. Imaging Atmospheric Cherenkov Telescopes and satellites have searched for such signals bu…
Updated Bounds on the Minimal Left-Right Symmetric Model from LHC Dilepton Resonance Searches
Gabriela Lichtenstein, Ricardo C. Silva, Mario J. Neves +1
The Left-Right model is a popular extension of the Standard Model that features three new neutral gauge bosons, and . Collider searches for a Left-Right symmetry a…
Enabling Thermal Dark Matter within the Vanilla - Model
Nicolás Bernal, Jacinto P. Neto, Javier Silva-Malpartida +1
Thermal dark matter is a compelling setup that has been probed by a multitude of experiments, mostly in the GeV-TeV mass range. The thermal paradigm in the sub-GeV range is about t…
The Muon Collider
Carlotta Accettura, Simon Adrian, Rohit Agarwal +450
Muons offer a unique opportunity to build a compact high-energy electroweak collider at the 10 TeV scale. A Muon Collider enables direct access to the underlying simplicity of the…
Reinterpretation and preservation of data and analyses in HEP
Jon Butterworth, Sabine Kraml, Harrison Prosper +145
Data from particle physics experiments are unique and are often the result of a very large investment of resources. Given the potential scientific impact of these data, which goes…
Type-II Seesaw Mechanism for Dirac Neutrinos and its Implications on and Lepton Flavor Violation in a 3-3-1 model
Vinícius Oliveira, Patricio Escalona, Lucia Angel +2
In this study, we implement the type-II seesaw mechanism for Dirac neutrino masses within the framework of a 3-3-1 model. To this end, we introduce a scalar sextet and impose both…
Updated BBN Bounds on Hadronic Injection in the Early Universe: The Gravitino Problem
Lucia Angel, Giorgio Arcadi, Matheus M. A. Paixão +1
Late-decaying particles naturally arise in many extensions of the Standard Model, directly impacting key cosmological processes in the early universe, such as Big Bang Nucleosynthe…
MuCol Milestone Report No. 5: Preliminary Parameters
Carlotta Accettura, Simon Adrian, Rohit Agarwal +391
This document is comprised of a collection of updated preliminary parameters for the key parts of the muon collider. The updated preliminary parameters follow on from the October 2…
The Hubble Tension: Relativistic Dark Matter Production from Long-lived Particles
Alvaro S. de Jesus, Matheus M. A. Paixão, Dêivid R. da Silva +2
The tension between direct measurements of the Hubble constant and those stemming from Cosmic Microwave Background probes has triggered a multitude of studies. The connection betwe…
Ultraheavy Dark Matter and WIMPs Production aided by Primordial Black Holes
Giorgio Arcadi, Manfred Lindner, Jacinto P. Neto +1
The unitary bound restricts thermal relics to be lighter than TeV. This work investigates the production of ultraheavy dark matter and WIMPs in the presence of primordial bla…
Interim report for the International Muon Collider Collaboration (IMCC)
C. Accettura, S. Adrian, R. Agarwal +383
The International Muon Collider Collaboration (IMCC) [1] was established in 2020 following the recommendations of the European Strategy for Particle Physics (ESPP) and the implemen…
The Waning of the WIMP: Endgame?
Giorgio Arcadi, David Cabo-Almeida, Maíra Dutra +7
Weakly Interacting Massive Particles (WIMPs) continue to be considered some of the best-motivated Dark Matter (DM) candidates. No conclusive signal, despite an extensive search pro…
Vector-Like Fermions and Inert Scalar Solutions to the Muon g-2 Anomaly and collider probes at the HL-LHC and FCC-hh
Á. S. de Jesus, F. S. Queiroz, J. W. F. Valle +1
We examine simple models with an inert scalar and vector-like leptons that can explain the recent measurement reported at FNAL. Prompted by this exciting result, we explore…
Constraining Gamma-ray Lines from Dark Matter Annihilation using Fermi-LAT and H.E.S.S. data
Lucia Angel, Guillermo Gambini, Leticia Guedes +2
Using 14 years of Fermi-LAT data and 10 years of H.E.S.S. observations in the direction of the galactic center, we derive limits on gamma-ray lines originated from dark matter anni…
The H0 trouble: Confronting Non-thermal Dark Matter and Phantom Cosmology with the CMB, BAO, and Type Ia Supernovae data
Simony S da Costa, Dêivid R da Silva, Álvaro S de Jesus +2
We have witnessed different values of the Hubble constant being found in the literature in the past years. Albeit, early measurements often result in an much smaller than tho…