112 citations · 972 across the 46 of their papers we have counts for
26 papers · 1 filter
Reinterpreting ATLAS Dijet and Supersymmetry Searches in A Baryon-Number-Violating Heavy Scalar Framework
Tianyi Yang, Denis Rathjens, Alfredo Gurrola +1
A reinterpretation of ATLAS searches targeting -tagged dijet resonances and monotop-alike signatures at a center-of-mass energy of 13 TeV is presented using collision data…
Collider Probes of Dark Energy Microphysics
Chaitanya Bashyam, Alfredo Gurrola, Andres Florez +1
The physical origin of dark energy remains one of the most profound open questions in modern physics. Although cosmological observations tightly constrain the equation of state par…
Probing Freeze-In Dark Matter via a Spin-2 Portal at the LHC with Vector Boson Fusion and Machine Learning
Junzhe Liu, Alfredo Gurrola
The persistent absence of signals in traditional dark matter searches has intensified interest in scenarios beyond the canonical weakly interacting massive particle paradigm. In th…
Heavy Neutrinos across the Electroweak-to-Multi-TeV Frontier via Novel ML-Enhanced Probes
Yin-Fa Shen, Alfredo Gurrola, Francesco Romeo +2
We propose a new strategy to probe heavy neutrinos with non-universal fermion couplings at the Large Hadron Collider (LHC) using a novel production mechanism and machine-learning a…
Large-Width New Physics at Colliders: A Gauge-Invariant Resummation Approach
Yin-Fa Shen, Alfredo Gurrola
Broad resonances challenge the standard Monte-Carlo treatment of unstable particles, which introduces a Breit-Wigner width into leading-order matrix elements and can generate unphy…
Probing a Quarkophobic at the High-Luminosity LHC via Vector Boson Fusion and Lorentz-Equivariant Point Cloud Learning
U. S. Qureshi, A. Gurrola, J. D. Ruiz-Álvarez
The addition of a heavy charged vector gauge boson to the Standard Model (SM) with negligible quark couplings ("quarkophobic") and triple gauge couplings can…
Probing Compressed Mass Spectrum Supersymmetry at the LHC with the Vector Boson Fusion Topology
Umar Sohail Qureshi, Alfredo Gurrola, Andres Flórez
We present a phenomenology study probing pair production of supersymmetric charginos and neutralinos ("electroweakinos") with the vector boson fusion (VBF) topology in proton-proto…
Probing Light Scalars and Vector-like Quarks at the High-Luminosity LHC
Umar Sohail Qureshi, Andres Flórez, Alfredo Gurrola +1
A model based on a extension of the Standard Model can address the mass hierarchy between generations of fermions, explain thermal dark matter abundance, and the muo…
Searching for exclusive leptoquarks with the Nambu-Jona-Lasinio composite model at the LHC and HL-LHC
Sehar Ajmal, Jethro Gaglione, Alfredo Gurrola +5
We present a detailed study concerning a new physics scenario involving four fermion operators of the Nambu-Jona-Lasinio type characterized by a strong-coupling ultraviolet fixed p…
On the sensitivity reach of LQ production with preferential couplings to third generation fermions at the LHC
A. Flórez, J. Jones-Pérez, A. Gurrola +2
Leptoquarks (LQs) are hypothetical particles that appear in various extensions of the Standard Model (SM) that can explain observed differences between SM theory predictions and ex…
Probing a with non-universal fermion couplings through top quark fusion, decays to bottom quarks, and machine learning techniques
Diego Barbosa, Felipe Díaz, Liliana Quintero +5
The production of heavy mass resonances has been widely studied theoretically and experimentally. Several extensions of the standard model (SM) of particle physics, naturally give…
Quarkophobic W' for LHC searches
Alfredo Gurrola, José David Ruiz-Álvarez
We consider a simplified model where a W' boson is added to the standard model with negligible couplings to quarks, but generic couplings to leptons and electroweak bosons. We stud…
Probing an MeV-Scale Scalar Boson in Association with a TeV-Scale Top-Quark Partner at the LHC
Bhaskar Dutta, Sumit Ghosh, Alfredo Gurrola +3
Searches for new low-mass matter and mediator particles have actively been pursued at fixed target experiments and at colliders. It is challenging at the CERN LHC, but the…
Probing axion-like particles with final states from vector boson fusion processes at the LHC
Andrés Flórez, Alfredo Gurrola, Will Johns +4
We perform a feasibility study to search for axion-like particles (ALPs) using vector boson fusion (VBF) processes at the LHC. We work in an effective field theory framework with c…
Anapole Dark Matter via Vector Boson Fusion Processes at the LHC
Andrés Flórez, Alfredo Gurrola, Will Johns +4
Dark matter that is electrically neutral but couples to the electromagnetic current through higher-dimensional operators constitutes an interesting class of models. We investigate…
Probing Heavy Spin-2 Bosons with final states from Vector Boson Fusion Processes at the LHC
Andrés Flórez, Yuhan Guo, Alfredo Gurrola +4
New massive spin-2 particles are predicted in theoretical extensions to the Standard Model (SM) attempting to solve the hierarchy problem. Such theories postulate that gravity is d…
Phenomenology at the LHC of composite particles from strongly interacting Standard Model fermions via four-fermion operators of NJL type
Roberto Leonardi, Orlando Panella, Francesco Romeo +3
A new physics scenario shows that four-fermion operators of Nambu-Jona-Lasinio (NJL) type have a strong-coupling UV fixed point, where composite fermions (bosons ) form as b…
Connecting Particle Physics and Cosmology: Measuring the Dark Matter Relic Density in Compressed Supersymmetry at the LHC
Carlos Ávila, Andrés Flórez, Alfredo Gurrola +2
The identity of Dark Matter (DM) is one of the most captivating topics in particle physics today. The R-parity conserving Minimal Supersymmetric Standard Model (MSSM), which natura…
Searching for New Heavy Neutral Gauge Bosons using Vector Boson Fusion Processes at the LHC
Florez Andres, Gurrola Alfredo, Johns Will +4
New massive resonances are predicted in many extensions to the Standard Model (SM) of particle physics and constitutes one of the most promising searches for new physics at the LHC…
Probing the Stau-Neutralino Coannihilation Region at the LHC with a soft tau lepton and an ISR jet
Andrés Flórez, Luis Bravo, Alfredo Gurrola +4
We present a feasibility study, to search for dark matter at the LHC, in events with one soft hadronically decaying tau lepton and missing transverse energy recoiling against a har…
Probing Compressed Bottom Squarks with Boosted Jets and Shape Analysis
Bhaskar Dutta, Alfredo Gurrola, Kenichi Hatakeyama +6
A feasibility study is presented for the search of the lightest bottom squark (sbottom) in a compressed scenario, where its mass difference from the lightest neutralino is 5 GeV. T…
Probing Compressed Sleptons at the LHC using Vector Boson Fusion Processes
Bhaskar Dutta, Tathagata Ghosh, Alfredo Gurrola +6
The vector boson fusion (VBF) topology at the Large Hadron Collider at 14 TeV provides an opportunity to search for new physics. A feasibility study for the search of sleptons in a…
Probing Compressed Top Squarks at the LHC at 14 TeV
Bhaskar Dutta, Will Flanagan, Alfredo Gurrola +6
A feasibility study is presented for the search of the lightest top squark in a compressed scenario, where its mass is approximately equal to the sum of the masses of the top quark…
Snowmass 2013 Top quark working group report
K. Agashe, R. Erbacher, C. E. Gerber +167
This report summarizes the work of the Energy Frontier Top Quark working group of the 2013 Community Summer Study (Snowmass).