English
Related papers

Related papers: $\mathcal{CP}$-Analyses with Symbolic Regression

200 papers

Thin-layer chromatography (TLC) is a crucial technique in molecular polarity analysis. Despite its importance, the interpretability of predictive models for TLC, especially those driven by artificial intelligence, remains a challenge.…

Machine Learning · Computer Science 2024-01-26 Siyu Lou , Chengchun Liu , Yuntian Chen , Fanyang Mo

A test of $CP$ invariance in Higgs boson production via vector-boson fusion has been performed in the $H\rightarrow\gamma\gamma$ channel using 139 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13\,\mathrm{TeV}$ collected by the…

High Energy Physics - Experiment · Physics 2026-01-12 ATLAS Collaboration

A critical element of the LHC physics program is the search for an additional source of CP violation. This is largely unexplored in the context of non-linear Higgs physics, which is naturally described in Higgs Effective Field Theory…

High Energy Physics - Phenomenology · Physics 2024-07-23 Akanksha Bhardwaj , Christoph Englert , Dorival Gonçalves , Alberto Navarro

The consecutive steps of H to tau tau cascade can be useful for the measurement of Higgs couplings and parity. The analysis methos of ATLAS and CMS Collaborations was to fit a one-dimensional distribution of the phi* angle, phi*, which is…

High Energy Physics - Phenomenology · Physics 2024-11-12 E. Richter-Was , T. Yerniyazov , Z. Was

We investigate methods to explore the CP nature of the $ t\bar{t}h $ coupling at the LHC, focusing on associated production of the Higgs with a $t \bar{t}$ pair. We first discuss the constraints implied by low-energy observables and by the…

High Energy Physics - Phenomenology · Physics 2015-07-29 Fawzi Boudjema , Rohini M. Godbole , Diego Guadagnoli , Kirtimaan A. Mohan

Sources of CP violation beyond the Standard Model (BSM) are required to explain the baryonic asymmetry of the Universe. In this work, we study BSM CP-violating components in the HWW interaction in WH production, parametrized by an effective…

High Energy Physics - Phenomenology · Physics 2024-05-20 Ricardo Barrué , Patricia Conde-Muíño , Valerio Dao , Rui Santos

CP-violation in the Higgs sector remains a possible source of the baryon asymmetry of the universe. Recent differential measurements of signed angular distributions in Higgs boson production provide a general experimental probe of the CP…

The study of the properties of the scalar boson recently discovered at the LHC (ATLAS and CMS experiments) may allow us to know whether it is well described by the Standard Model. In the case where deviations from SM predictions are…

High Energy Physics - Phenomenology · Physics 2015-07-22 Hermes Belusca-Maito

Symbolic Regression (SR) is a machine learning approach that explores the space of mathematical expressions to identify those that best fit a given dataset, balancing both accuracy and simplicity. We apply SR to the study of Gray-Body…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-15 Guan-Wen Yuan , Marco Calzà , Davide Pedrotti

The Higgs-gluon interaction is crucial for LHC phenomenology. To improve the constraints on the CP structure of this coupling, we investigate Higgs production with two jets using machine learning. In particular, we exploit the CP…

High Energy Physics - Phenomenology · Physics 2025-03-31 Henning Bahl , Elina Fuchs , Marc Hannig , Marco Menen

A study of the $CP$ properties of the interaction between the Higgs boson and top quarks is presented. Higgs bosons are identified via the diphoton decay channel ($H \rightarrow \gamma\gamma$) and their production in association with a top…

High Energy Physics - Experiment · Physics 2020-08-12 ATLAS Collaboration

While CP violation in the Higgs interactions with massive vector boson is already tightly constrained, the CP nature of the Higgs interactions with fermions is far less constrained. In this work, we assess the potential of…

High Energy Physics - Phenomenology · Physics 2022-03-23 Henning Bahl , Simon Brass

The study of the Higgs boson's properties is a cornerstone of the LHC and future collider programs. In this paper, we examine the potential to directly probe the Higgs-top interaction strength and CP-structure in the $t\bar t h$ channel…

High Energy Physics - Phenomenology · Physics 2022-02-16 Dorival Gonçalves , Jeong Han Kim , Kyoungchul Kong , Yongcheng Wu

The top-Higgs coupling plays an important role in particle physics and cosmology. The precision measurements of this coupling can provide an insight to new physics beyond the Standard Model. In this paper, we propose to use Message Passing…

High Energy Physics - Phenomenology · Physics 2020-01-08 Jie Ren , Lei Wu , Jin Min Yang

We study the phenomenological consequences of several $CP$-violating structures that could arise in the Standard Model effective field theory framework. Focusing on operators involving electroweak gauge and/or Higgs bosons, we derive…

High Energy Physics - Phenomenology · Physics 2017-10-16 Felipe Ferreira , Benjamin Fuks , Veronica Sanz , Dipan Sengupta

Searches for charge-parity (CP) violating interactions of the Standard Model (SM) Higgs boson are a key priority of the LHC physics program. Experimental results from ATLAS and CMS are often reinterpreted within a variety of theoretical…

High Energy Physics - Phenomenology · Physics 2026-05-14 Daniele Barducci , Matthew Forslund , Marta Fuentes Zamoro , Pier Paolo Giardino , Andrei V. Gritsan , Giacomo Ortona

We use machine learning (ML) and non-ML techniques to study optimized $CP$-odd observables, directly and maximally sensitive to the $CP$-odd $i \tilde \kappa \bar t \gamma^5 t h$ interaction at the LHC and prospective future hadron…

High Energy Physics - Phenomenology · Physics 2021-02-03 Blaž Bortolato , Jernej F. Kamenik , Nejc Košnik , Aleks Smolkovič

In science, we are interested not only in forecasting but also in understanding how predictions are made, specifically what the interpretable underlying model looks like. Data-driven machine learning technology can significantly streamline…

Symbolic Computation · Computer Science 2025-05-29 Weiting Liu , Jiaxu Cui , Jiao Hu , En Wang , Bo Yang

The CP properties of Higgs bosons can be probed through their s-channel resonance productions via photon-photon collisions by use of circularly and/or linearly polarized backscattered laser photons at a TeV-scale linear e^+ e^- collider.…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Y. Choi , Jae Sik Lee

The CP nature of the Higgs coupling to top quarks is addressed in this paper, in single charged lepton final states of $t\bar{t}h$ events produced in proton-proton collisions at the LHC. Pure scalar ($h=H$) and pseudo-scalar ($h=A$) Higgs…

High Energy Physics - Phenomenology · Physics 2018-08-29 D. Azevedo , A. Onofre , F. Filthaut , R. Gonçalo