| 1 | $Id: README,v 1.2 2010/05/24 05:32:50 kmura Exp $ |
|---|
| 2 | ------------------------------------------------------------------- |
|---|
| 3 | |
|---|
| 4 | ========================================================= |
|---|
| 5 | Geant4 - an Object-Oriented Toolkit for Simulation in HEP |
|---|
| 6 | ========================================================= |
|---|
| 7 | |
|---|
| 8 | HepMCEx02 |
|---|
| 9 | --------- |
|---|
| 10 | |
|---|
| 11 | This example demonstrates how to interface primary particles in Geant4 |
|---|
| 12 | with various event generators via the HepMC Monte Carlo event interface. |
|---|
| 13 | This is another example having the same generator action as HepMCEx01, |
|---|
| 14 | but much simpler user control. |
|---|
| 15 | |
|---|
| 16 | 1. Primary Generator |
|---|
| 17 | |
|---|
| 18 | H02PrimaryGeneratorAction has HepMCG4Interface as the generator. |
|---|
| 19 | There are two types of generators provided as samples. One generator reads |
|---|
| 20 | primary information from a HepMC Ascii file (data/example_MyPythia.dat). |
|---|
| 21 | The other one generates primaries directly invoking PYTHIA routines |
|---|
| 22 | in every event. |
|---|
| 23 | |
|---|
| 24 | 2. Geometry |
|---|
| 25 | |
|---|
| 26 | A simplified collider-type geometry, which consists of |
|---|
| 27 | - endcap calorimeter (a set of tubes filled with lead), |
|---|
| 28 | - barrel calorimeter (tube filled with lead), |
|---|
| 29 | - barrel muon detector (8 sets of plates filled with Ar), |
|---|
| 30 | - endcap muon detecror, (a set of tubes filled with Ar) and |
|---|
| 31 | - uniform magnetic field along the z axis of 3 Tesla at the |
|---|
| 32 | central region. |
|---|
| 33 | |
|---|
| 34 | 3. Physics List |
|---|
| 35 | |
|---|
| 36 | QGSP predefined physics list |
|---|
| 37 | |
|---|
| 38 | 4. User actions |
|---|
| 39 | |
|---|
| 40 | All particles except muons are killed in the calorimeter section. |
|---|
| 41 | |
|---|
