• NandaWattimena

Nanda Wattimena

Email: <nanda.wattimena@desy.de>

ILD optimization

This page is a summary of my 2nd PhD thesis topic, the lifetime reconstruction of long-lived neutralinos. It summarises some general software issues as well as the performance interplay of the photon reconstruction algorithm and the ILD detector concept. Furthermore, it shows how I reconstructed the neutralino mass and lifetime.

The aim of this paged is to document my work, so that a) I do not forget how things worked and b) future students that (possibly) continue my studies don't have to start from scratch.

The page is organised as follows:

• Tips and Trick for Software

  • Using the Grid

  • The ILD Detector Model

  • Event Generation with SPheno and WHiZard

  • Mokka and Geant4

  • Event Reconstruction with Marlin

• Photon Reconstruction Kit

  • Clustering Method
  • Energy Calibration
  • Efficiency
  • Energy, Position and Angular Reconstruction

• Long-lived Neutralino's

  • in Geant4
  • Background
  • Event Selection
  • Mass Recontruction
  • Lifetime Recontruction

For further reading:

• my PhD thesis

• Predrag Krstonos PhD thesis explains the clustering algorithm

• The ILC Reference Design Report Volume3 for a better overview of the International Large Collider

• The ILD Letter of Intent for a better overview of the International Large Detector concept

• My predecessors analysis with fast simulation

• An introduction to Supersymmetry

All my src code, simulated files, plots, presentations, ... are stored on the DESY dCache under

/pnfs/desy.de/flc/users/nwattime/

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