Inversion and canonization of block matrices

Bukov, V. N.; Goryunov, S. V.

doi:10.1007/s11006-006-0070-2

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Jinst 18 P050301

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2019

2024

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“…Equation (4.6) can be easily solved by inverting the corresponding block matrix. To do this, one can use the well-known Forbenius formula [25] for block matrix inversion:…”

Section: Jinst 18 P05030mentioning

confidence: 99%

Kinematic and vertex fitting package for the CMD-3 experiment

Gribanov

Попов

2023

J. Inst.

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In this article, we discuss a new software package of kinematic and vertex fitting for the CMD-3 experiment at the VEPP-2000 electron-positron collider. The authors describe in detail the fitting algorithm, parametrization of four-momenta and trajectories of various particles and present the results of testing the fitting pakage using events of Monte Carlo simulation of various e + e - annihilation processes. The authors also provide several examples of the fitting package validation using Gaussian simulation. Although the package discussed in this article is intended for the CMD-3 experiment, it can also be used in other experiments. The authors consider the described package as their first step towards a more universal and rigorous kinematic and vertex fitting package that can be used in future e + e - experiments, such as the Super Charm-Tau factory.

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“…Equation (4.6) can be easily solved by inverting the corresponding block matrix. To do this, one can use the well-known Forbenius formula [25] for block matrix inversion:…”

Section: Jinst 18 P05030mentioning

confidence: 99%