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806 papers · 1 filter
Assessing boundedness from below in the -symmetric three-Higgs-doublet model: algorithm and machine learning
Darius Jurčiukonis, Luís Lavoura, André Milagre
The scalar potential of any particle-physics model must be bounded from below (BFB). We consider the extension of the Standard electroweak Model with three doublets of scal…
Searching for HWW Anomalous Couplings with Simulation-Based Inference
Marta Silva, Ricardo Barrué, Inês Ochoa +1
Understanding the source of the universe's asymmetry between matter and antimatter is one of the major open questions in particle physics. In this work, the sensitivity of novel ma…
On the addition of an quadruplet of scalars to the Standard Model
Darius Jurčiukonis, Luís Lavoura
We consider the extension of the Standard electroweak Model through an quadruplet of scalars with hypercharge either or (with an additional reflection symmetry…
Towards a precision determination of the parameters from data
Yi-Lin Song, Yu Zhang, Vadim Baru +3
In a recent paper, Phys. Rev. Lett. {\bf 126}, 132001 (2021), the LHCb data on the di- production in proton-proton collisions were analysed in a coupled-channel framework base…
Confined but chirally and chiral spin symmetric hot matter
L. Ya. Glozman, A. V. Nefediev, R. F. Wagenbrunn
We investigate properties of the quark--antiquark mesons at zero and finite temperature in the framework of a solvable chirally symmetric quark model with linear confining potentia…
Simple high-accuracy method for solving bound-state equations with the Cornell potential in momentum space
Alfred Stadler, Elmar P. Biernat, Vasco Valverde
The well-known Cornell quark-antiquark potential in momentum space contains singularities both in its one-gluon-exchange (OGE) and linear confining parts, which prevents a direct u…