Studying High energy processes with CalcHep & LanHep Safinaz R. Abdel Rahman Center of Theoretical Physics – El Azhar University. Egypt Bogoliubov Laboratory.

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Presentation transcript:

Studying High energy processes with CalcHep & LanHep Safinaz R. Abdel Rahman Center of Theoretical Physics – El Azhar University. Egypt Bogoliubov Laboratory of Theoretical Physics JINR -Dubna -Russia Supervision A.Gladyshev – A. Bednyakov JINR Student Practice For Students From ARE.6/11/2009 CTP

Outline An Introduction To CalcHep & LanHep packages. Why all these programs? Studying e-e+  u-u+ interaction. Studying e-e+  e-e+ in QED Model and Standard Model. JINR Student Practice For Students From ARE.6/11/2009

Features of CalcHEP - Can evaluate any decay and scattering processes within any (user defined) model using Feynman rules. - Tree level processes. JINR Student Practice For Students From ARE.6/11/2009

LanHep -Generate Feynman rules for new physics models. -Reads Lagrangian. - Writes Feynman rules in the form of four tables in LanHEP format as well as tables in Latex or Pdf format. JINR Student Practice For Students From ARE.6/11/2009

e-e+  u-u+ interaction - Set the Lagrangian and construct Feynman diagrams to get M matrix. - Construct Feynman diagram and getting M matrix JINR Student Practice For Students From ARE.6/11/2009

- Getting I M I and integrate To get the total cross Section JINR Student Practice For Students From ARE.6/11/2009

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CalcHEP menu structure: GUI JINR Student Practice For Students From ARE.6/11/2009

u-u+ Threshold JINR Student Practice For Students From ARE.6/11/2009

Angular Dependence JINR Student Practice For Students From ARE.6/11/2009

e-e+  e-e+ In QED And Standard Model n JINR Student Practice For Students From ARE.6/11/2009

LanHep JINR Student Practice For Students From ARE.6/11/2009

QED S.M JINR Student Practice For Students From ARE.6/11/2009 ?

All Scientists From all The World Try To Follow These Tiny Fantastic Particles … - JINR Student Practice For Students From ARE.6/11/2009

Thank You So Much