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200 00$a2005 IEEE Nuclear Science Symposium and Medical Imaging Conference
210 31$a[Place of publication not identified]$cI E E E$d2005
215   $a1 online resource
300   $aBibliographic Level Mode of Issuance: Monograph
311   $a0-7803-9221-3 
330   $aThe CMS object oriented Geant4-based program is used to simulate the complete central CMS detector (over 1 million geometrical volumes) and the forward systems such as the Totem telescopes, Castor calorimeter, zero degree calorimeter, Roman pots, and the luminosity monitor. The simulation utilizes the full set of electromagnetic and hadronic physics processes provided by Geant4 and detailed particle tracking in the 4 tesla magnetic field. Electromagnetic shower parameterization can be used instead of full tracking of high-energy electrons and positrons, allowing significant gains in speed without detrimental precision losses. The simulation physics has been validated by comparisons with test beam data and previous simulation results. The system has been in production for almost two years and has delivered over 100 million events for various LHC physics channels. Productions are run on the US and EU grids at a rate of 3-5 million events per month. At the same time, the simulation has evolved to fulfill emerging requirements for new physics simulations, including very large heavy ion events and a variety of SUSY scenarios. The software has also undergone major technical upgrades. The framework and core services have been ported to the new CMS offline software architecture and event data model. In parallel, the program is subjected to ever more stringent quality assurance procedures, including a recently commissioned automated physics validation suite.
606   $aImaging systems in medicine$vCongresses
606   $aNuclear energy$vCongresses
606   $aNuclear physics$vCongresses
615  0$aImaging systems in medicine
615  0$aNuclear energy
615  0$aNuclear physics
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996   $a2005 IEEE Nuclear Science Symposium and Medical Imaging Conference$92539546
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