Reliability of Monte Carlo event generators for gamma-ray dark matter searches

We study the differences in the gamma-ray spectra simulated by four Monte Carlo event generator packages developed in particle physics. Two different versions of PYTHIA and two of HERWIG are analyzed, namely PYTHIA 6.418 and HERWIG 6.5.10 in Fortran and PYTHIA 8.165 and HERWIG 2.6.1 in C++. For all...

Descripción completa

Detalles Bibliográficos
Autores: López Maroto, Antonio, Cruz Dombriz, Álvaro de la, Ruiz Cembranos, José Alberto, Gammaldi, Viviana, Lineros, Roberto A.
Tipo de recurso: artículo
Fecha de publicación:2013
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/33589
Acceso en línea:https://hdl.handle.net/20.500.14352/33589
Access Level:acceso abierto
Palabra clave:53
Galactic-Center
Models
Halos
Contraction
Simulation
Telescope
Direction
Baryons
Física (Física)
22 Física
Descripción
Sumario:We study the differences in the gamma-ray spectra simulated by four Monte Carlo event generator packages developed in particle physics. Two different versions of PYTHIA and two of HERWIG are analyzed, namely PYTHIA 6.418 and HERWIG 6.5.10 in Fortran and PYTHIA 8.165 and HERWIG 2.6.1 in C++. For all the studied channels, the intrinsic differences between them are shown to be significative and may play an mportant role in misunderstanding dark matter signals.