Physics of and with Leptons WS 05/06 - Feynman Graphs

Chapter 1 - Introduction and Overview

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mupair.mnf

mupair.eps

Muon pair production

bhabha.mnf

bhabha.eps

Bhabha scattering

masses1.mnf

masses1.eps

Elementary particle masses 1

masses2.mnf

masses2.eps

Elementary particle passes 2

emuscat.mnf

emuscat.eps

Electron muon scattering

Chapter 2 - Discoveries of the Leptons

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pimu_decay.mnf

pimu_decay.eps

Pion and muon decay

yukawa.mnf

yukawa.eps

Yukawa coupling

beta_nuscat.mnf

beta_nuscat.eps

Beta decay and neutrino scattering

bremsstrahlung.mnf

bremsstrahlung.eps

Bremsstrahlung

em_shower.mnf

em_shower.eps

Electromagnetic shower

Chapter 3 - Phenomenology of the Weak Interaction

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weak.mnf

weak.eps

Weak decay diagrams

cabibbo.mnf

cabibbo.eps

Cabibbo allowed and suppressed decays

k0l_mumu_cc.mnf

k0l_mumu_cc.eps

K0L decay to mu+mu- via CC

fcnc.mnf

fcnc.eps

Flavour Changing Neutral Current
K0L decay to mu+mu-

Chapter 4 - Cross-Sections and Feynman Rules

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mupair.mnf

mupair.eps

Muon pair Feynman diagram

mandelstam.mnf

mandelstam.eps

The Mandelstam plane

crossing1.mnf, crossing.f

crossing1.eps

Crossed diagrams

crossing2.mnf

crossing2.eps

Angular distributions of crossed diagrams

vertices.mnf

eeg.eps, eeZ.eps, enuW.eps, qqW.eps

Vertices in the GWS model

Chapter 5 - Electroweak Measurements of the Z Peak

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mupair.mnf

mupair.eps

Muon pair Feynman diagrams including Z exchange

ee_gZ_xsect.mnf, ee_gz_xsect.f

ee_gZ_xsect.eps

Lowest order e+e- cross-section

breit-wigner.mnf

breit-wigner.eps

Breit-Wigner resonance form

bhabha.mnf

bhabha.eps

Feynman graphs for Bhabha scattering

demo06.mnf

demo06.eps

Selection of Bhabha scattering events

Note that demo06.mnf will only work with the L3 display version of Mn_Fit.

Chapter 6 - Electroweak Measurements at the Z Peak

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nunug.mnf

nunug.eps

Neutrino-pair production at higher order

2photon.mnf

2photon.eps

Two-photon production

ifr.mnf

ifr.eps

Initial and final-state radiation

loops.mnf

loops.eps

Loop diagrams

charge_renorm.mnf

charge_renorm.eps

Charge renormalisation graphs?

optical_theorem.mnf

optical_theorem.eps

The optical theorem

Wvacpol.mnf

Wvacpol.eps

W vacuum polarisation

higgs_radcor.mnf

higgs_radcor.eps

Higgs contributions to radiative corrections

emuhel.mnf

emu1.eps,
emu2.eps,
emu3.eps

Allowed and disallowed helcity combinations in e+e- collisions

fragfunc.mnf, frag_lq.f

fragfunc.eps, peterson.eps

Fragmentation functions

spectator.mnf

spectator_b.eps, spectator_c.eps, exchange_c.eps

Spectator decay diagrams

prompt.mnf, cascade.mnf

prompt.eps, cascade.eps

Prompt and cascade decays

bvtx.mnf

bvtx1.eps, bvtx2.eps

Vertex corrections for b quarks

Chapter 7 - Electroweak Measurements above the Z Peak

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radreturn.mnf

radreturn.eps

Radiative return to the Z

cc03.mnf

cc03.eps

CC03 graphs for W+W- production

wdecay.mnf

wdecay.eps

W decay modes

nc02.mnf

nc02.eps

NC02 graphs for ZZ production

ntgc.mnf

ntgc.eps

Graphs for neutral triple gauge couplings

WWqqqq.mnf

WWqqqq.eps

qq interactions in W-pair production

Chapter 8 - Other Precision Electroweak Measurements and Electroweak Fits

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nc_cc.mnf

nc_cc.eps

NC and CC graphs

Chapter 9 - Higgs Searches and Properties

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higgs_pot.mnf, higgs_pot.f

higgs_pot.eps

Higgs potential in one dimension

wscat.mnf, wscat.f

wscat1.eps wscat2.eps

WW scattering

higgs_feyn_LEP.mnf

higgs_feyn_LEP.eps

Feynman graphs for Higgs production at LEP

higgs_feyn_pp.mnf

higgs_feyn_pp.eps

Feynman graphs for Higgs production at hadron colliders