1. Particle Theory Section
Departmental Research Event
29 May 2009

2. who we are … 14 academic staff 27 research students 14* research staff
Physics
Maths
CPT
IPPP
SAA
EWNG VVK GW
PB PR AS CJM SP FK GMP JJ GH
MRP
RAG RG
IPPP September 2008
14 academic staff
14* research staff
2 visiting researchers
27 research students
5 support staff
1 outreach manager

3. who we are ... 14 academic staff 27 research students
Particle Theory September 2008
14 academic staff
14 research staff
2 visiting researchers
27 research students
5 support staff
1 outreach manager

4. Standard Model “Theory of Everything”?
6 quarks* (u,d,s,c,b,t)
6 leptons (e,,,e,,)
gauge bosons (,W,Z,g)
Higgs boson
~10-18m
D=4
+ supersymmetry?
particle  sparticle
bottom up
top down
dark matter?
bottom up
+ string, brane theory?
M-Theory?
~10-35m
D=11?
*quarks and gluons
confined in hadrons:
Baryons (p,n), Mesons ()
“Theory of
Everything”?

5. energy scales αs αw αEM Unification of couplings?
MPl
Quantum Gravity
Unification of couplings?
Smallness of neutrino mass
Unitarity of WW scattering
Hierarchy problem?
hierarchy αs αw
αEM E
Mgut
Grand unification?
susy
Susy?
LHC collisions
TeV
Mweak
EWSB
Physics by scale

6. the key scientific themes
particle physics
the key scientific themes
the origin of mass
the origin of the matter-antimatter asymmetry in the universe
the properties of neutrinos
the unification of particles and forces including gravity
the properties of the strong interaction
dark matter

7. the programme
14.15 Nigel Glover Welcome and opening address Peter Richardson Simulating physics at the LHC Georg Weiglein Hunting for New Physics: Higgs, SUSY and beyond break for tea Joerg Jaeckel Non-accelerator experiments and axions Silvia Pascoli The role of neutrinos in the evolution of the Universe Ruth Gregory Detecting cosmic strings