Volume 30, Issue 3
DECAY: A Monte Carlo Library for the Decay of a Particle with ROOT Compatibility

Commun. Comput. Phys., 30 (2021), pp. 942-958.

Published online: 2021-07

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• Abstract

Recently, there is a need for a general-purpose event generator for decays of an elementary particle or a hadron to a state of higher multiplicity $(N ≥ 2)$ that is simple to use and universal. We present the structure of such a library for preparation of generators that generate kinematics of decay processes and can be used to integrate any matrix element squared over phase space of this decay. Some test examples are presented, and results are compared with results known from the literature. As one of examples we consider the Standard Model Higgs boson decay into four leptons. The generators discussed here are compatible with the ROOT interface.

• Keywords

Monte Carlo, high energy physics, decay, Higgs decay, 4-Fermi theory.

81T80, 65C05

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@Article{CiCP-30-942, author = {Radosław and A. Kycia and and 16872 and and Radosław A. Kycia and Antoni and Szczurek and and 16874 and and Antoni Szczurek and Piotr and Lebiedowicz and and 16877 and and Piotr Lebiedowicz}, title = {DECAY: A Monte Carlo Library for the Decay of a Particle with ROOT Compatibility}, journal = {Communications in Computational Physics}, year = {2021}, volume = {30}, number = {3}, pages = {942--958}, abstract = {

Recently, there is a need for a general-purpose event generator for decays of an elementary particle or a hadron to a state of higher multiplicity $(N ≥ 2)$ that is simple to use and universal. We present the structure of such a library for preparation of generators that generate kinematics of decay processes and can be used to integrate any matrix element squared over phase space of this decay. Some test examples are presented, and results are compared with results known from the literature. As one of examples we consider the Standard Model Higgs boson decay into four leptons. The generators discussed here are compatible with the ROOT interface.

}, issn = {1991-7120}, doi = {https://doi.org/10.4208/cicp.OA-2020-0259}, url = {http://global-sci.org/intro/article_detail/cicp/19318.html} }
TY - JOUR T1 - DECAY: A Monte Carlo Library for the Decay of a Particle with ROOT Compatibility AU - A. Kycia , Radosław AU - Szczurek , Antoni AU - Lebiedowicz , Piotr JO - Communications in Computational Physics VL - 3 SP - 942 EP - 958 PY - 2021 DA - 2021/07 SN - 30 DO - http://doi.org/10.4208/cicp.OA-2020-0259 UR - https://global-sci.org/intro/article_detail/cicp/19318.html KW - Monte Carlo, high energy physics, decay, Higgs decay, 4-Fermi theory. AB -

Recently, there is a need for a general-purpose event generator for decays of an elementary particle or a hadron to a state of higher multiplicity $(N ≥ 2)$ that is simple to use and universal. We present the structure of such a library for preparation of generators that generate kinematics of decay processes and can be used to integrate any matrix element squared over phase space of this decay. Some test examples are presented, and results are compared with results known from the literature. As one of examples we consider the Standard Model Higgs boson decay into four leptons. The generators discussed here are compatible with the ROOT interface.

Radosław A. Kycia, Antoni Szczurek & Piotr Lebiedowicz. (2021). DECAY: A Monte Carlo Library for the Decay of a Particle with ROOT Compatibility. Communications in Computational Physics. 30 (3). 942-958. doi:10.4208/cicp.OA-2020-0259
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