activity
20152026
most citedFinding New Physics without learning about it: Anomaly Detection as a tool for Searches at Colliders

83 citations · 256 across the 24 of their papers we have counts for

collaborators

24 papers

hep-ph2026

Two Flavon Froggatt-Nielsen Models with Genetic Algorithms

Miguel Crispim Romão, Stephen F. King

We present the first systematic and comprehensive scan of two-flavon Froggatt-Nielsen (FN) models, employing artificial intelligence techniques to explore the high-dimensional, mix…

hep-ph2026

BSMArt 2: simpler and faster parameter space scans

Fernando Abreu de Souza, Nuno Filipe Castro, Miguel Crispim Romão +3

We present version 2 of BSMArt, a powerful yet lightweight scanning tool designed to simplify the exploration of parameter spaces of new physics models. Aside from architectural im…

astro-ph.IM2026

Toward decision-aware AI for LSST-scale time-domain astronomy

C. R. Bom, A. Mahabal, F. Bianco +27

The Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) will generate approximately (10^7) alerts per night, pushing time-domain astronomy beyond pipelines that trea…

hep-ph2026

Machine Learning insights on the Z3 3HDM with Dark Matter

Fernando Abreu de Souza, Rafael Boto, Miguel Crispim Romão +2

We study a 3-Higgs Doublet Model (3HDM) with an imposed Z3 symmetry, allowing for two Inert scalar doublets and one active Higgs doublet. The WIMP dark matter candidates correspond…

hep-ph2025★ 1 cited

Symbolic Regression and Differentiable Fits in Beyond the Standard Model Physics

Shehu AbdusSalam, Steven Abel, Deaglan Bartlett +1

We demonstrate the efficacy of symbolic regression (SR) to probe models of particle physics Beyond the Standard Model (BSM), by considering the so-called Constrained Minimal Supers…

astro-ph.CO2025★ 4 cited

Dark Classification Matters: Searching for Primordial Black Holes with LSST

Miguel Crispim Romao, Djuna Croon, Benedict Crossey +1

We present projected constraints on the abundance of primordial black holes (PBHs) as a constituent of dark matter, based on microlensing observations from the upcoming Legacy Surv…

hep-ph2025

Sensitivity to New Physics Phenomena in Anomaly Detection: A Study of Untunable Hyperparameters

Fernando Abreu de Souza, Maura Barros, Nuno Filipe Castro +3

The search for physics beyond the Standard Model (BSM) at collider experiments requires model-independent strategies to avoid missing possible discoveries of unexpected signals. An…

hep-ph2025★ 2 cited

Unearthing large pseudoscalar Yukawa couplings with Machine Learning

Fernando Abreu de Souza, Rafael Boto, Miguel Crispim Romão +3

With the Large Hadron Collider's Run 3 in progress, the 125 GeV Higgs boson couplings are being examined in greater detail, while searching for additional scalars. Multi-Higgs fram…

astro-ph.SR2025★ 4 cited

Anomaly Detection to identify Transients in LSST Time Series Data

Miguel Crispim Romao, Djuna Croon, Daniel Godines

We introduce a novel approach to detecting microlensing events and other transients in light curves, utilising the isolation forest (iForest) algorithm for anomaly detection. Focus…

hep-ph2024

Modular Family Symmetry in Fluxed GUTs

Vasileios Basiouris, Miguel Crispim Romão, Stephen F. King +1

We discuss modular family symmetry in effective theories based on generic properties of bottom-up local F-theory inspired GUTs broken by fluxes, which we refer to as Fluxed GUTs. W…

hep-ph2024★ 3 cited

Symbolic Regression for Beyond the Standard Model Physics

Shehu AbdusSalam, Steve Abel, Miguel Crispim Romao

We propose symbolic regression as a powerful tool for studying Beyond the Standard Model physics. As a benchmark model, we consider the so-called Constrained Minimal Supersymmetric…

astro-ph.CO2024★ 11 cited

Microlensing signatures of extended dark objects using machine learning

Miguel Crispim Romão, Djuna Croon

This paper presents a machine learning-based method for the detection of the unique gravitational microlensing signatures of extended dark objects, such as boson stars, axion minic…

hep-ph2023★ 6 cited

Jet substructure observables for jet quenching in Quark Gluon Plasma: a Machine Learning driven analysis

Miguel Crispim Romão, José Guilherme Milhano, Marco van Leeuwen

We present a survey of a comprehensive set of jet substructure observables commonly used to study the modifications of jets resulting from interactions with the Quark Gluon Plasma…

hep-ph2022★ 18 cited

Exploring Parameter Spaces with Artificial Intelligence and Machine Learning Black-Box Optimisation Algorithms

Fernando Abreu de Souza, Miguel Crispim Romão, Nuno Filipe Castro +2

Constraining Beyond the Standard Model theories usually involves scanning highly multi-dimensional parameter spaces and check observable predictions against experimental bounds and…

hep-ph2021★ 2 cited

Deep Learning for the Classification of Quenched Jets

L. Apolinário, N. F. Castro, M. Crispim Romão +3

An important aspect of the study of Quark-Gluon Plasma (QGP) in ultra-relativistic collisions of heavy ions is the ability to identify, in experimental data, a subset of the jets t…

hep-ph2020★ 83 cited

Finding New Physics without learning about it: Anomaly Detection as a tool for Searches at Colliders

M. Crispim Romao, N. F. Castro, R. Pedro

In this paper we propose a new strategy, based on anomaly detection methods, to search for new physics phenomena at colliders independently of the details of such new events. For t…

hep-ph2020★ 45 cited

Use of a Generalized Energy Mover's Distance in the Search for Rare Phenomena at Colliders

M. Crispim Romao, N. F. Castro, J. G. Milhano +2

In this paper, we expand on the previously proposed concept of Energy Mover's Distance. The resulting observables are shown to provide a way of identifying rare processes in proton…

hep-ph2019★ 45 cited

Transferability of Deep Learning Models in Searches for New Physics at Colliders

M. Crispim Romao, N. F. Castro, R. Pedro +1

In this work we assess the transferability of deep learning models to detect beyond the standard model signals. For this we trained Deep Neural Networks on three different signal m…

hep-ph2017★ 7 cited

Starobinsky-like inflation in no-scale supergravity Wess-Zumino model with Polonyi term

Miguel Crispim Romao, Stephen F. King

We propose a simple modification of the no-scale supergravity Wess-Zumino model of Starobinsky-like inflation to include a Polonyi term in the superpotential. The purpose of this t…

hep-ph2016★ 8 cited

R-Parity violation in F-Theory

Miguel Crispim Romão, Athanasios Karozas, Stephen F. King +2

We discuss R-parity violation (RPV) in semi-local and local F-theory constructions. We first present a detailed analysis of all possible combinations of RPV operators arising from…

hep-ph2016★ 5 cited

Neutrino mass from M Theory SO(10)

Bobby S. Acharya, Krzysztof Bozek, Miguel Crispim Romão +2

We study the origin of neutrino mass from arising from Theory compactified on a -manifold. This is linked to the problem of the breaking of the extra gauge…

hep-ph2015★ 8 cited

MSSM from F-theory SU(5) with Klein Monodromy

Miguel Crispim Romão, Athanasios Karozas, Stephen F. King +2

We revisit a class of SUSY GUT models which arise in the context of the spectral cover with Klein Group monodromy . We show that matter parities ca…

hep-ph2015

Grand Unification from theory on a manifold

Miguel Crispim Romão

We consider Grand Unified Theories based on which originate from theory on manifolds. In this framework we are naturally led to a novel solution of the doublet-t…

hep-ph2015★ 4 cited

SO(10) Grand Unification in M theory on a G2 manifold

Bobby S. Acharya, Krzysztof Bożek, Miguel Crispim Romão +2

We consider Grand Unified Theories based on which originate from string/ theory on manifolds or Calabi-Yau spaces with discrete symmetries. In this framework we a…