Microscopic black holes

University essay from Lunds universitet/Fysiska institutionen

Author: Jakob Merouani; [2011]

Keywords: Physics and Astronomy;

Abstract: In this report I will write about the possibility of black hole creation when introducing the theory of extra spatial dimensions in the visible (3+1) dimensional universe. First I will give a little background on the postulation of black hole formation and talk about what properties black holes have in general, for example the event horizon, singularity and the formation of the black hole is discussed. Other theories like general relativity and the gauge theory will be discussed before discussing the main theme. In the main theme I will discuss the basic concepts of extra dimensions talking about the phenomena that would appear if extra dimensions exist. After this I will discuss the ADD-model and it's interpretation of extra dimensions before I discuss black hole formation in extra dimensional scenarios and Hawking radiation and how it affect black holes. At last I will discuss two experiments on extra dimensions and black holes. The first experiment is conducted in the main detector at Large Hadron Collider (LHC) in Switzerland where the CMS collaboration look at the transverse energy T E of events from pp collisions with signals similar to expected signals for black holes. In the second experiment, which is conducted in the Tevatron in the USA, the CDF collaboration look at the missing transverse energy ETmiss for events from pp collisions with one or two high energy jets, where the missing energy is expected to correspond to gravitons.

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