LAr LVL1 analogue sum simulation

LArL1Sim package

What is it ?

Short description of the main algorithm

How to run the code

List of existing algorithms and jobOption files

Recommended version

The first bug-free version was LArL1Sim-00-04-09 (July 2005, rel. 10).
Time information (e.g. for cosmics simulation), was introduced in LArL1Sim-00-06-05 (Dec. 2005).
The first 'self-calibrating' version was LArL1Sim-00-08-00 (February 2007, rel. 13).

Link to Alan Watson's page on Level-1 Calorimeter Trigger

Auxiliary data

Access to EM gain file (X. de la Broise) -- not used in the simulation -- Reference Note
Access to EM noise file (B. Cleland)
Access FCAL relative gains file (J. Rutherfoord)


Actual inputs to the code: LArEmLvl1.data , LArHecLvl1.data and LArFcalLvl1.data

Calibration procedure

Current version: description for the EM, the HEC, the FCAL calorimeters.
Pre-LArL1Sim-00-08-00: description for the EM, the HEC, the FCAL calorimeters.

Related presentations

13 February 2007 (Calo Trigger SW and Performance) -- includes CSC calibration plots corresponding to LArL1Sim-00-08-01
31 January 2006 (Calorimeter Trigger SW Workshop)
10 November 2005 (LVL-1 Calorimeter Trigger joint meeting)
28 July 2005 (PESA Performance and Validation) -- includes hadronic G4 calibration plots corresponding to LArL1Sim-00-04-09
13 July 2005 (Calo Trigger SW and Performance)
23 June 2005 (Calo Trigger SW and Performance)
10 May 2005 (Calo Trigger SW and Performance) -- includes EM G4 calibration plots corresponding to LArL1Sim-00-03-00
17 March 2005 (Calo Trigger SW and Performance)
26 January 2005 (Calo Trigger SW workshop)
16 November 2004 (LAr Trigger SW meeting)
12 October 2004 (LAr Trigger SW meeting)
8 September 2004 (Software and perf. general)
21 July 2004 (LAr Trigger SW meeting) -- includes a plot of material coefficients
15 June 2004 (LAr Software working group) -- includes calibration plots (G3)
19 May 2004 (LAr Trigger SW meeting)
18 November 2003 (LAr Software working group)
29 January 2003 (Software and perf. general)

Plots not shown in presentations

Studies performed for EM calibration with G4
Distributions of the ratio of simulated transverse energy (before any calibration) over generated transverse energy
in each eta bin for 25 GeV ET single electrons (DC2 files dc2val.e_et25_eta25.006002.g4sim/*et25*.root).
Distributions of the ratio of simulated transverse energy (before any calibration) over generated transverse energy
in each eta bin for 20 GeV ET single electrons (DC1 run 2020).
Distributions of the ratio of simulated transverse energy (before any calibration) over generated transverse energy
in each eta bin for 200 GeV E single electrons (DC1 run 2535).
Comparison of the calibration coefficients obtained for 20 GeV single electrons;
solid line: total transverse energy (i.e. all towers), dashed line: transverse energy in a 3x3 cluster of towers.