English
Related papers

Related papers: Differential observables for the Higgs-strahlung p…

200 papers

Analyses of collider data, often assisted by modern Machine Learning methods, condense a number of observables into a few powerful discriminants for the separation of the targeted signal process from the contributing backgrounds. These…

High Energy Physics - Phenomenology · Physics 2020-08-26 Philipp Windischhofer , Miha Zgubic , Daniela Bortoletto

We present updates on the cosmology inference using the effective field theory (EFT) likelihood presented previously in Schmidt et al., 2018, Elsner et al., 2019 [1,2]. Specifically, we add a cutoff to the initial conditions that serve as…

Cosmology and Nongalactic Astrophysics · Physics 2020-11-06 Fabian Schmidt , Giovanni Cabass , Jens Jasche , Guilhem Lavaux

We construct a new class of differential operators that naturally act on AdS harmonic functions. These are weight shifting operators that change the spin and dimension of AdS representations. Together with CFT weight shifting operators, the…

High Energy Physics - Theory · Physics 2018-09-13 Miguel S. Costa , Tobias Hansen

Subtle field-theoretical effects suggest the presence of additional Higgs contributions in standard model processes. This has been supported by electroweak lattice calculation, e.\ g.\ for vector boson scattering. These effects can be…

High Energy Physics - Phenomenology · Physics 2024-10-01 Axel Maas , Duifje M. van Egmond , Simon Plätzer

We study the phenomenology of both the Neutral Current (NC) and Charged Current (CC) Drell-Yan (DY) processes at the Large Hadron Collider (LHC) within a 4 Dimensional realization of a Composite Higgs model with partial compositness by…

High Energy Physics - Phenomenology · Physics 2017-05-11 D. Barducci , A. Belyaev , S. De Curtis , S. Moretti , G. M. Pruna

This Report summarizes some of the activities of the HiggsTools Initial Training Network working group in the period 2015-2017. The main goal of this working group was to produce a document discussing various aspects of state-of-the-art…

The Standard Model (SM) is the best description of fundamental particles and their interactions we have to date. From this theory, all phenomena in the macroscopic world (except for gravity) can be explained, and it has successfully…

High Energy Physics - Phenomenology · Physics 2024-07-30 Joan Ruiz-Vidal

We present the full order alpha electroweak radiative corrections to the double Higgs-strahlung process e+e- --> ZHH. The computation is performed with the help of GRACE-loop. After subtraction of the initial state QED radiative…

High Energy Physics - Phenomenology · Physics 2015-06-25 G. Belanger , F. Boudjema , J. Fujimoto , T. Ishikawa , T. Kaneko Y. Kurihara , K. Kato , Y. Shimizu

We present the Evolving Graph Fourier Transform (EFT), the first invertible spectral transform that captures evolving representations on temporal graphs. We motivate our work by the inadequacy of existing methods for capturing the evolving…

Machine Learning · Computer Science 2024-04-19 Anson Bastos , Kuldeep Singh , Abhishek Nadgeri , Manish Singh , Toyotaro Suzumura

Absolute two-photon detachment cross sections and photoelectron angular distribution are calculated for halogen negative ions within lowest-order perturbation theory. The Dyson equation method is used to obtain the outer np ground-state…

Atomic Physics · Physics 2009-10-31 G. F. Gribakin , V. K. Ivanov , A. V. Korol , M. Yu. Kuchiev

The computation of higher-order corrections to cross sections relevant at LHC involves the evaluation of phase-space integrals that exhibit soft and collinear divergences. The subtraction of these divergences is a key ingredient to obtain…

The spatial and the angular variants of the Goos-H\"anchen (GH) and the Imbert-Federov (IF) beam shifts contribute in a complex interrelated way to the resultant beam shift in partial reflection at planar dielectric interfaces. Here, we…

Optics · Physics 2015-11-11 S. Goswami , S. Dhara , M. Pal , A. Nandi , P. K. Panigrahi , N. Ghosh

We present a real-space formulation and higher-order finite-difference implementation of periodic Orbital-free Density Functional Theory (OF-DFT). Specifically, utilizing a local reformulation of the electrostatic and kernel terms, we…

Computational Physics · Physics 2015-12-23 Swarnava Ghosh , Phanish Suryanarayana

The graph Hilbert transform (GHT) is a key tool in constructing analytic signals and extracting envelope and phase information in graph signal processing. However, its utility is limited by confinement to the graph Fourier domain, a fixed…

Signal Processing · Electrical Eng. & Systems 2025-09-23 Daxiang Li , Zhichao Zhang

A truncated partial wave analysis for the photoproduction of two pseudoscalar mesons on a nucleon is discussed with respect to the determination of a complete set of observables. For the selection of such a set we have applied a criterion…

Nuclear Theory · Physics 2015-06-15 A. Fix , H. Arenhoevel

We apply a semi-classical method to compute the conformal field theory (CFT) data for the U(N)xU(N) non-abelian Higgs theory in four minus epsilon dimensions at its complex fixed point. The theory features more than one coupling and walking…

High Energy Physics - Theory · Physics 2021-01-04 Oleg Antipin , Jahmall Bersini , Francesco Sannino , Zhi-Wei Wang , Chen Zhang

We examine the contribution of general Z*ZH and gamma*ZH three-point interactions arising from new physics to the Higgs production process e+e- -> HZ. From Lorentz covariance, each of these vertices may be written in terms of three…

High Energy Physics - Phenomenology · Physics 2010-04-15 Saurabh D. Rindani , Pankaj Sharma

We consider the diphoton excess observed by ATLAS and CMS using the most up-to-date data and estimate the preferred enhancement in the production rate between 8 TeV and 13 TeV. Within the framework of effective field theory (EFT), we then…

High Energy Physics - Phenomenology · Physics 2016-08-03 Jernej F. Kamenik , Benjamin R. Safdi , Yotam Soreq , Jure Zupan

We use the Effective Field Theory (EFT) framework to compute the mass quadrupole moment, the equation of motion, and the power loss of inspiralling compact binaries at the second order in the Post-Newtonian (PN) approximation. We present…

General Relativity and Quantum Cosmology · Physics 2020-05-06 Adam K. Leibovich , Natália T. Maia , Ira Z. Rothstein , Zixin Yang

We examine the contributions of various couplings in general ZZH and gammaZH interactions arising from new physics to the Higgs production process e+e- --> HZ, followed by the decay of the Z into a charged-lepton pair. We take into account…

High Energy Physics - Phenomenology · Physics 2010-12-09 Saurabh D. Rindani , Pankaj Sharma