LHC links
Journals
New Journal of Physics on LHC, September 2007
Nature on LHC, July 2007
Scientific American, February 2008
National Geographic, March 2008
Workshops
2007 Davis workshop: detecting the unexpected
2008 Michigan workshop: LHC new physics signatures
Papers
A collection
of LHC papers describing the accelerator and the detectors
CERN LHC fact-sheet The guide to the LHC
ATLAS fact sheets Useful for facts and figures of various ATLAS components. You try finding inner radius of LAr EM calorimeter in the detector paper...
ATLAS detector paper (beware it is 37 MB!!!) December 2007.
Chapters 1 (introduction) and 10 (performance) are good places to start here!
ATLAS code links
ATLAS run query
Data?
TRT histograms!
Where can I find MC files?
Atlas Metadata Interface (AMI) dataset browser
Notes:
(1) Go to advanced search and for keyword, you can type PythiaWenu or dataset number
(2) This can provide a DQ2 command-line to retrieve selected files from the dataset
What is in an Analysis Object Data (AOD) or Event Summary Data (ESD) file?
StoreGateKeys in Computing Workbook
Notes:
(1) add the two lines to your job options file to dump all the StoreGate objects. You will see C++ object type and the instance names (key)
(2) Going to the release 13 "keys" page gives you a general idea and (some) links to more information
Where is the generator information (truth) stored?
Physics Workbook Twiki page
McEventCollection
To find the keys, it is best to dump all the objects in StoreGate.
The first C++ container is McEventCollection, which is a collection of HepMC::GenEvents. It has the generator information on hard-scatter and multiple interactions and pile-up. Each GenEvent contains a list of HepMC particles.
Notes:
(1) default is to store all particles with (pt > 0.3 GeV/c and |eta| < 3.5) or (pt > 1 GeV/c and |eta| < 5.5)
(2) Particle Data Group: PDG id codes (pdf)
(3) Status code 3 is the top-level generator information
(4) In the code, directory /atlas/Simulation/HepMC contains GenEvent, GenVertex, GenParticle objects
TruthParticleCollection is created from GEN_AOD and the same content (identical) to GEN_AOD. It is collection of type TruthParticleContainer, which is vector of TruthParticle objects. but has extra tools that allow you to use these objects in the same way as other AOD objects.
In the code, directory /atlas/PhysicsAnalysis/TruthParticleID/McParticleEvent contains TruthParticleContainer and TruthParticle.
PYTHIA manual
Durham HEP database - handy interface for proton parton distribution functions