This page documents activities and associated supporting information for simulation studies for the Phase-I upgrade of L1Calo. The current state-of-play is summarised here and new results, as they arrive, will be indicated. Thus, of necessity, it is an evolving document.


Supporting h/w design choices

xFex TOB output multiplicities

Priority: initial results are needed by early summer 2014 as input to the eFex prototype (scheduled for manufacture early 2015) design process.

Description: this activity will study the connectivity requirements (including bandwidth, data formats, overflow handling, etc.) between the eFEX modules and L1Topo modules and the potential impact on physics triggers of any constraints or limitations in this area. The study will use realistic emulations of Trigger Objects reflecting the desired physics goals and take into account the level of pileup that is anticipated. The simulation results will feedback into the eFEX design process and as such will be both timely and have significant importance in the upgrade of L1Calo at Phase-I.

  1. Bunch train effects
  2. Consequences for L1Calo of LPDS design choices
  3. The gFex

Supporting algorithm choices




Missing Et (and other global event quantities)


Major updates:
-- RobinMiddleton - 26 Feb 2014

%RESPONSIBLE% RobinMiddleton
%REVIEW% Never reviewed

This topic: Sandbox > Atlas > TriggerDAQ > LevelOneCaloTrigger > LevelOneCaloSiteMap > L1CaloUpgradePage > L1CaloUpgradePhase1Simulation
Topic revision: r5 - 2014-11-19 - RobinMiddleton
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