84 citations · 700 across the 55 of their papers we have counts for
58 papers
Improved limits on a new in scenarios with the NA64 experiment at CERN
The NA64 Collaboration, Yu. M. Andreev, A. Antonov +53
Extensions of the Standard Model featuring an additional gauge symmetry provide a compelling framework linking the origin of neutrino masses to possible dark matter ca…
Can the FCC-hh prove the B-L gauge symmetry?
Farinaldo S. Queiroz, J. Zamora-Saa, Ricardo C. Silva +1
We present a phenomenological study of the discovery potential at the FCC-hh for a new heavy neutral vector boson, Z', predicted by the gauge symmetry. Focusing on the…
Probing the existence of a new charged vector boson decaying into heavy neutral leptons using ultra-peripheral heavy ion collisions at ATLAS
Y. M. Oviedo-Torres, Sebastian Tapia, J. Zamora-Saa
In this paper we explore the potential of Ultra-peripheral Collisions at the LHC to investigate new physics, focusing on the production of new charged vector bosons tha…
The SND@LHC neutron shielding
LHC Collaboration
The design and construction of a neutron shielding for the SND@LHC detector, which utilizes a combination of plexiglass and borated polyethylene, is presented. FLUKA simulations we…
Searching for Light Dark Matter and Dark Sectors with the NA64 experiment at the CERN SPS
Yu. M. Andreev, A. Antonov, M. A. Ayala Torres +49
Since its approval in 2016, NA64 has pioneered light dark matter (LDM) searches with electron, positron, muon, and hadron beams. The experiment has successfully met its primary obj…
High efficiency veto hadron calorimeter in the NA64 experiment at CERN
Yu. M. Andreev, A. Antonov, M. A. Ayala Torres +53
NA64 is a fixed-target experiment at the CERN SPS designed to search for Light particle Dark Matter (LDM) candidates with masses in the sub-GeV range. During the 2016-2022 runs, th…
LHC and HL-LHC Bounds on Visible and Invisible Decays in the Model
Farinaldo S. Queiroz, Jilberto Zamora-Saa, Ricardo C. Silva +1
In this work, we use publicly available data from ATLAS collaboration collected at LHC run 2 at a center-of-mass energy of TeV with an integrated luminosity of $139 fb…
Search for sub-GeV Scalars in collisions
D. Cogollo, Y. M. Oviedo-Torres, Farinaldo S. Queiroz +2
Light scalars that couple to leptons are common figures in beyond the Standard Model endeavors. Considering a scalar that has universal and couplings to leptons only, we compute th…
Shedding light on Dark Sectors with high-energy muons at the NA64 experiment at the CERN SPS
Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +54
A search for Dark Sectors is performed using the unique M2 beam line at the CERN Super Proton Synchrotron. New particles () could be produced in the bremsstrahlung-like reaction…
50 GeV in, nothing out: a sensitive probe of invisible and decays with NA64h
Yu. M. Andreev, A. Antonov, M. A. Ayala Torres +54
We present the first results from a proof-of-concept search for dark sectors via invisible decays of pseudoscalar and mesons in the NA64h experiment at the CERN SPS. Our n…
Technical Design Report of the Spin Physics Detector at NICA
The SPD Collaboration, V. Abazov, V. Abramov +411
The Spin Physics Detector collaboration proposes to install a universal detector in the second interaction point of the NICA collider under construction (JINR, Dubna) to study the…
First constraints on the explanation of the muon anomaly from NA64- at CERN
Yu. M. Andreev, A. Antonov, D. Banerjee +58
The inclusion of an additional gauge symmetry would release the tension between the measured and the predicted value of the anomalous muon magnetic moment: this pa…
Fermion Dark Matter in the Vector Scotogenic Model: A Survey of Signatures
Paulo Areyuna C., Jilberto Zamora-Saa, Alfonso R. Zerwekh
In this work, we have studied the Vector Scotogenic Model in the context of the Dark Matter problem. Due to unitarity considerations, we have focused on the scenario with fermion d…
Exploration of the Muon and Light Dark Matter explanations in NA64 with the CERN SPS high energy muon beam
Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +54
We report on a search for a new () vector boson performed at the NA64 experiment employing a high energy muon beam and a missing energy-momentum technique. Muons from…
Introducing Model Benchmark Analysis for dark matter models with isomorphic lagrangians
Paulo Areyuna C., Jilberto Zamora-Saa, Alfonso R. Zerwekh
In this work, we propose a novel approach to particle physics phenomenology, which we dubbed as model benchmark analysis. We consider models that provide vertices with similar topo…
Simulation of the isotropic ultra-high energy photons flux in the solar magnetic field and a comparison with observations made by the HAWC and Fermi-LAT observatories
David Alvarez-Castillo, Piotr Homola, Bożena Poncyljusz +37
In this contribution we study the possibility of the formation of cosmic ray ensembles (CRE) created by the interaction of ultra-high energy (UHE) photons with the magnetic field o…
Searching for a Leptophilic Z' and a 3-3-1 symmetry at CLIC
A. Alves, G. Gil da Silveira, V. P. Gonçalves +3
We derive the discovery potential of a leptophilic Z', and a Z' rising from a symmetry at the Compact Linear Collider (CLIC), which is planned…
Probing Light Dark Matter with positron beams at NA64
Yu. M. Andreev, A. Antonov, D. Banerjee +63
We present the results of a missing-energy search for Light Dark Matter which has a new interaction with ordinary matter transmitted by a vector boson, called dark photon $A^\prime…
Unveiling the Heavy Neutrino Nature at LHCb
G. A. Vasquez, Jilberto Zamora-Saa
In this work, we study the lepton number violating Bc meson decays via one intermediate on-shell heavy neutrino. The specific studied process is $B_{c}^{+} \to μ^{+} \ N \to μ^{+}…
Measurement of the intrinsic hadronic contamination in the NA64 high-purity beam at CERN
Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +65
In this study, we present the measurement of the intrinsic hadronic contamination at the CERN SPS H4 beamline configured to transport electrons and positrons at 100 GeV/c momentum.…
Probing Left-handed Heavy Neutral Leptons in the Vector Scotogenic Model
Paulo Areyuna C., Jilberto Zamora-Saa, Alfonso R. Zerwekh
In this work, we consider an extension to the Standard Model composed by a Massive Vector Doublet under SU(2) and a Left-handed Heavy Neutral Lepton. We study the production of…
Search for a New B-L Z' Gauge Boson with the NA64 Experiment at CERN
Yu. M. Andreev, D. Banerjee, B. Banto-Oberhauser +55
A search for a new gauge boson associated with (un)broken B-L symmetry in the keV-GeV mass range is carried out for the first time using the missing-energy technique in the NA…
Observation of large scale precursor correlations between cosmic rays and earthquakes
P. Homola, V. Marchenko, A. Napolitano +40
The search for correlations between secondary cosmic ray detection rates and seismic effects has long been a subject of investigation motivated by the hope of identifying a new pre…
Simulations of Cosmic Ray Ensembles originated nearby the Sun
David E. Alvarez-Castillo, Oleksandr Sushchov, Piotr Homola +30
Cosmic Ray Ensembles (CRE) are yet not observed groups of cosmic rays with a common primary interaction vertex or the same parent particle. One of the processes capable of initiati…