Geant4 Workshop 2004Maria Grazia Pia, INFN Genova

Physics BookPhysics Book

Maria Grazia PiaINFN Genova

on behalf of the Physics Book Team

http://www.ge.infn.it/geant4/book/

Geant4 Workshop 2004Maria Grazia Pia, INFN Genova

News from last meetingsNews from last meetings

Agreement on basic structure of the activity

Physics validation across 3 levels:– basic elements of physics processes (e.g. cross sections, final state

spectra, angular distributions etc.)

– elementary composed physics quantities (e.g. particle ranges)

– experimental observables (e.g. shower shapes)

(Plans concerning electromagnetic physics only)

Geant4 Workshop 2004Maria Grazia Pia, INFN Genova

Basic elements of physics processes Basic elements of physics processes

Physics quantity Energy range References Notes

Cross sections

Photon cross sections

1 keV-100 GeV NISTIn progress, to be completed by Nov 2004

  < 1 keV   Database link to be added

  > 100 GeV  Comparison against theoretical predictionsPaper references to be added

Other cross sections

     

Paper on NIST comparison: Nov. 2004

Geant4 Workshop 2004Maria Grazia Pia, INFN Genova

Basic elements of physics processes Basic elements of physics processes

Final state distributions

Spectrum of secondary particles  

Angular distributionsBibliography to be collectedEmphasis on differences at low/high energy

LPM effect  

Polarisation  

Geant4 Workshop 2004Maria Grazia Pia, INFN Genova

Other processesOther processes

Multiple scattering

p, pions, e, muons      

Atomic relaxation (paper Nov. 2004)

X-ray fluorescence     ESA test beam analysis

Auger effect    

PIXE    

Cherenkov emission      

Scintillation      

Transition radiation      

Optical processes      

Geant4 Workshop 2004Maria Grazia Pia, INFN Genova

Elementary composed quantities

Physics quantityEnergy range

Reference Notes

Range (e, p, ions) 1 keV-100 GeV

NIST Paper Nov 2004

Photon mass attenuation coefficient

  NIST Paper Nov 2004

Energy penetration in infinite media (e)

     

Geant4 Workshop 2004Maria Grazia Pia, INFN Genova

Experimental observables

Observable Energy range Reference Notes

Shower shape 1 keV-100 GeV

Search of references in progress, to be completed by Nov 2004

Bragg peak  Hadrontherapy groups

(Catania, Japan...) 

More…

Geant4 Workshop 2004Maria Grazia Pia, INFN Genova

StatusStatus

Results from the NIST validation project

4 E.M. physics papers expected to be submitted in Nov. 2004

1 comprehensive validation paper (NIST) to be submitted in Nov. 2004

Extended versions of the same material for the Physics Book

All the software work up to now done by Barbara, Susanna, Koichi and Sandra

Many fruitful discussions with Katsuya and Takashi

Helpful consultation with Michel & Lazslo

Slow progress, compatible with the low commitment from the Geant4 Collaboration