Summary: Short and Long Term Upgrade Scenarios
for the CMS Hadronic Calorimeter
University of IowaUniversity of Iowa
The Aim of Particle PhysicsThe Aim of Particle Physics
(a.k.a Elementary Particle Physics, or High Energy Physics)
1.What is everything made of?
2 What holds it all together?2. What holds it all together?
2Sabanci University, Istanbul, Turkey6 Jan. 2010
The Standard Model of Particle Physics
Over the past 100 years, observed many new particles coming down from the
sky, and produced in accelerators... They come in two categories:
electron-like (lepton) and proton-like (containing quarks)
Nature has made 3 copies of everything: of leptons and of quarks. WHY?