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Modern language models (LMs) pose a new challenge in capability assessment. Static benchmarks inevitably saturate without providing confidence in the deployment tolerances of LM-based systems, but developers nonetheless claim that their…

Software Engineering · Computer Science 2024-07-31 Michael Saxon , Ari Holtzman , Peter West , William Yang Wang , Naomi Saphra

We investigate the impact of incorporating vector-like leptons into the Standard Model, aiming to address longstanding puzzles related to the anomalous magnetic moments of the muon and electron while maintaining consistency with neutrino…

High Energy Physics - Phenomenology · Physics 2024-12-20 Parham Dehghani , Mariana Frank , Benjamin Fuks

A phenomenological neutrino mass matrix is proposed to explain the solar and atmospheric neutrino deficits and to present the neutrino as a candidate of hot dark matter in the $3\nu_L+3\nu_R$ framework. The realization of mixing angles…

High Energy Physics - Phenomenology · Physics 2008-11-26 Daijiro Suematsu

In the context of a left-right symmetric model, we introduce one full generation of vectorlike lepton doublets (both left and right-handed) together with their mirror doublets. We show that the lightest vectorlike neutrino in the model is…

High Energy Physics - Phenomenology · Physics 2017-06-07 Sahar Bahrami , Mariana Frank , Dilip Kumar Ghosh , Nivedita Ghosh , Ipsita Saha

Studies of dark matter lie at the interface of collider physics, astrophysics and cosmology. Constraining models featuring dark matter candidates entails the capability to provide accurate predictions for large sets of observables and…

The search for a Dark Matter particle is the new grail and hard-sought nirvana of the particle physics community. From the theoretical side, it is the main challenge to provide a consistent and model-independent tool for comparing the…

High Energy Physics - Phenomenology · Physics 2022-10-26 Alexander Belyaev , Giacomo Cacciapaglia , Daniel Locke , Alexander Pukhov

We propose a model-independent framework to classify and study neutrino mass models and their phenomenology. The idea is to introduce one particle beyond the Standard Model which couples to leptons and carries lepton number together with an…

High Energy Physics - Phenomenology · Physics 2020-01-08 Juan Herrero-Garcia , Michael A. Schmidt

We investigate an extension of the left-right symmetric model featuring an additional non-abelian $SU(2)$ gauge symmetry. The particle content is augmented by one generation of vector-like leptons transforming under the fundamental…

High Energy Physics - Phenomenology · Physics 2026-03-11 Yassine Bouzeraib , Mohamed Sadek Zidi , Geneviève Bélanger

Symmetries and isomorphisms play similar conceptual roles when we consider how models represent physical situations, but they are formally distinct, as two models related by symmetries are not typically isomorphic. I offer a rigorous…

History and Philosophy of Physics · Physics 2024-07-22 Lu Chen

We propose a model which explains the baryon asymmetry of the universe and dark matter relic density at the same time. In this model, dark matter candidate is the dark baryon composed by dark quarks. A scalar mediator, which couples to the…

High Energy Physics - Phenomenology · Physics 2021-09-15 Mengchao Zhang

We consider a dark sector model containing stable fermions charged under an unbroken $U(1)$ gauge interaction, with a massless dark photon as force carrier, and interacting with ordinary matter via scalar messengers. We study its early…

High Energy Physics - Phenomenology · Physics 2020-10-14 Jan Tristram Acuña , Marco Fabbrichesi , Piero Ullio

We explore a novel flavor structure in the interactions of dark matter with the Standard Model. We consider theories in which both the dark matter candidate, and the particles that mediate its interactions with the Standard Model fields,…

High Energy Physics - Phenomenology · Physics 2016-09-07 Prateek Agrawal , Zackaria Chacko , Elaine C. F. S. Fortes , Can Kilic

In this literature we show how the scotogenic frame work can be a common origin for explaining neutrino mass, lepton asymmetry and give a dark matter candidate. We start out with the extension of the Standard Model with fermions, which are…

High Energy Physics - Phenomenology · Physics 2023-03-08 Sumit Satapathy

The total mass density of the Universe appears to be dominated by dark matter. However, beyond its gravitational interactions at the galactic scale, little is known about its nature. Extensions of the quantum electrodynamics Lagrangian with…

Interacting dark energy-dark matter models have been widely analyzed in the literature in an attempt to find traces of new physics beyond the usual cosmological ($\Lambda$CDM) models. Such a coupling between both dark components is usually…

General Relativity and Quantum Cosmology · Physics 2022-08-17 Diego Álvarez-Ortega , Gonzalo J. Olmo , Diego Rubiera-García , Diego Sáez-Chillón Gómez

We introduce a comprehensive framework for modeling single cell transcriptomic responses to perturbations, aimed at standardizing benchmarking in this rapidly evolving field. Our approach includes a modular and user-friendly model…

We propose a model-independent and general framework to study the LHC phenomenology of top partners, i.e. Vector-Like quarks including particles with different electro-magnetic charge. We consider Vector-Like quarks embedded in general…

High Energy Physics - Phenomenology · Physics 2015-06-16 M. Buchkremer , G. Cacciapaglia , A. Deandrea , L. Panizzi

New gauge symmetries often appear in theories beyond the Standard Model. Here we study a model where lepton number is promoted to a gauge symmetry. Anomaly cancellation requires the introduction of additional leptons, the lightest of which…

High Energy Physics - Phenomenology · Physics 2019-02-28 Eric Madge , Pedro Schwaller

We introduce a machine-learning (ML) framework for high-throughput benchmarking of diverse representations of chemical systems against datasets of materials and molecules. The guiding principle underlying the benchmarking approach is to…

Machine Learning · Computer Science 2021-12-07 Carl Poelking , Felix A. Faber , Bingqing Cheng

We study minimal benchmark models of dark matter with an extra anomaly-free U(1)' gauge boson Z'. We find model parameters that give rise to the correct cosmological dark matter density while evading the latest direct detection searches for…

High Energy Physics - Phenomenology · Physics 2018-07-09 John Ellis , Malcolm Fairbairn , Patrick Tunney
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