Standard Model at the LHC (Lecture 2: Particle Detectors) M. Schott ...
Standard Model at the LHC (Lecture 2: Particle Detectors) M. Schott ...
Standard Model at the LHC (Lecture 2: Particle Detectors) M. Schott ...
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Introduction The <strong>LHC</strong> <strong>Particle</strong>/M<strong>at</strong>ter Interactions Momentum Measurement Energy Measurement <strong>LHC</strong> <strong>Detectors</strong><br />
Electromagnetic Calorimeters (1/3)<br />
High energetic electrons and<br />
photons cre<strong>at</strong>e showers in <strong>the</strong><br />
absorber-m<strong>at</strong>erial:<br />
pair-production,<br />
bremsstrahlung,<br />
pair-production, ...<br />
until critical energy E C is<br />
reached<br />
The number of particles doubles<br />
in each step X 0 as long as EE C :<br />
N(t) ≈ 2 t , where t is <strong>the</strong><br />
numbner of steps in X 0<br />
with an average energy per<br />
particle of<br />
E(t) = E 0 /N(t) = E 0 · 2 −t
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