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We present a Bayesian machine learning architecture that combines a physically motivated parametrization and an analytic error model for the likelihood with a deep generative model providing a powerful data-driven prior for complex signals.…

Instrumentation and Methods for Astrophysics · Physics 2019-12-10 Francois Lanusse , Peter Melchior , Fred Moolekamp

The data accumulated so far confirm the Higgs-like nature of the new boson discovered at the LHC. The Standard Model Higgs hypothesis is compatible with the collider results and no significant deviations from the Standard Model have been…

High Energy Physics - Phenomenology · Physics 2013-12-30 Alejandro Celis , Victor Ilisie , Antonio Pich

Big neural networks trained on large datasets have advanced the state-of-the-art for a large variety of challenging problems, improving performance by a large margin. However, under low memory and limited computational power constraints,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Adrian Bulat , Georgios Tzimiropoulos , Jean Kossaifi , Maja Pantic

Rapid development of big data and high-performance computing have encouraged explosive studies of deep learning in geoscience. However, most studies only take single-type data as input, frittering away invaluable multisource, multi-scale…

Machine Learning · Computer Science 2020-05-19 Zhenyu Yuan , Yuxin Jiang , Jingjing Li , Handong Huang

We reanalyze the extraction of the heavy Higgs boson signal $H\rightarrow W^+W^-\rightarrow \bar\ell\nu,\ell\bar\nu$ $(\ell=e\hbox{ or }\mu)$ from the Standard Model background at hadron supercolliders, taking into account revised estimates…

High Energy Physics - Phenomenology · Physics 2016-09-01 V. Barger , Kingman Cheung , T. Han , D. Zeppenfeld

Composite Higgs models provide a natural, non-supersymmetric solution to the hierarchy problem. In these models, one or more sets of heavy top-partners are typically introduced. Some of these new quarks can be relatively light, with a mass…

High Energy Physics - Phenomenology · Physics 2014-11-21 Guenther Dissertori , Elisabetta Furlan , Filip Moortgat , Pascal Nef

We discuss a new renormalization scheme for mixing angles in extended Higgs sectors for the coming era of the Higgs precise measurements at future lepton colliders. We focus on the two Higgs doublet models (2HDMs) with a softly-broken $Z_2$…

High Energy Physics - Phenomenology · Physics 2024-12-02 Shinya Kanemura , Mariko Kikuchi , Kei Yagyu

We perform a state-of-the-art global fit to all Higgs data. We synthesise them into a 'universal' form, which allows to easily test any desired model. We apply the proposed methodology to extract from data the Higgs branching ratios,…

High Energy Physics - Phenomenology · Physics 2015-06-15 Pier Paolo Giardino , Kristjan Kannike , Isabella Masina , Martti Raidal , Alessandro Strumia

Deep neural networks may perform poorly when training datasets are heavily class-imbalanced. Recently, two-stage methods decouple representation learning and classifier learning to improve performance. But there is still the vital issue of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Zhisheng Zhong , Jiequan Cui , Shu Liu , Jiaya Jia

Old and new ideas regarding Higgs physics are reviewed. We first summarize the quadratic divergence / hierarchy problem which strongly suggests that the SM Higgs sector will be supplemented by new physics at high scales. We next consider…

High Energy Physics - Phenomenology · Physics 2008-11-26 John F. Gunion

The latest LHC collaborations results on $\sigma_{H^{\pm}}BR(H^{\pm} \rightarrow \tau^{\pm}\nu)$ and $\sigma_{H^{\pm}}BR(H^{+} \rightarrow t\bar{b})$ are used to impose constraints on the charged Higgs $H^{\pm}$ parameters within the Two…

High Energy Physics - Phenomenology · Physics 2022-08-08 Kanhaiya Gupta

We investigate origin of three features that are often assumed in analysis of two-Higgs doublet models: (i) softly broken Z2 symmetry, (ii) CP invariant Higgs potential, and (iii) degenerated mass spectra. We extend electroweak gauge…

High Energy Physics - Phenomenology · Physics 2016-08-24 Tomohiro Abe , Yuji Omura

It is pointed out that in a wide class of models reminiscent of type-II Two-Higgs-Doublet Models (2HDM) the signal of the Higgs produced in association with a top-antitop quark pair ($tth$) and decaying into gauge bosons can be…

High Energy Physics - Phenomenology · Physics 2016-11-23 Marcin Badziak , Carlos E. M. Wagner

Conditions for strong first-order phase transition and generation of observable gravitational wave (GW) signals are very restrictive to the profile of the Higgs potential. Working in the minimal extension of the SM with a new gauge singlet…

High Energy Physics - Phenomenology · Physics 2021-05-26 Alexandre Alves , Dorival Gonçalves , Tathagata Ghosh , Huai-Ke Guo , Kuver Sinha

The large hadron collider precision measurement of $h_{125}$ properties suggests that a misaligned two Higgs doublet model type 1 is preferred among other types of the model. In this analysis, a lepton collider potential for charged Higgs…

High Energy Physics - Phenomenology · Physics 2025-08-22 Majid Hashemi , Omid Seify

The observation of resonances is unequivocal evidence of new physics beyond the Standard Model at the Large Hadron Collider (LHC). So far, inclusive and model dependent searches have not provided evidence of new resonances, indicating that…

High Energy Physics - Experiment · Physics 2021-11-29 Salah-eddine Dahbi , Joshua Choma , Bruce Mellado , Gaogalalwe Mokgatitswane , Xifeng Ruan , Benjamin Lieberman , Turgay Celik

The couplings of the 125 GeV Higgs are being measured with higher precision as the Run 3 stage of LHC continues. Models with multiple Higgs doublets allow potential deviations from the SM predictions. For more than two doublets, there are…

High Energy Physics - Phenomenology · Physics 2026-01-28 Rafael Boto , João A. C. Matos , Jorge C. Romão , João P. Silva

In this work we demonstrate that significant gains in performance and data efficiency can be achieved in High Energy Physics (HEP) by moving beyond the standard paradigm of sequential optimization or reconstruction and analysis components.…

High Energy Physics - Experiment · Physics 2024-01-26 Matthias Vigl , Nicole Hartman , Lukas Heinrich

We consider the problem of pilot-aided, uplink channel estimation in a distributed massive multiple-input multiple-output (MIMO) architecture, in which the access points are connected to a central processing unit via fiber-optical fronthaul…

Signal Processing · Electrical Eng. & Systems 2024-07-08 Alireza Bordbar , Lise Aabel , Christian Häger , Christian Fager , Giuseppe Durisi

Since the initial detection of Gravitational Waves in 2015, 50 candidate events have been reported by the LIGO-Virgo-KAGRA collaboration. As the current generation of detectors move towards their design sensitivity the rate of these…

General Relativity and Quantum Cosmology · Physics 2022-02-16 Philip Relton , Vivien Raymond