Abstract
Abstract
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.
Subject
Mathematical Physics,Instrumentation
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