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In 2010, the ALPHA collaboration achieved a first for mankind: the
stable, long-term storage of atomic antimatter, a project carried
out a the Antiproton Decelerator facility at CERN. A crucial
element of this observation was a dedicated silicon vertexing
detector used to identify and analyze antihydrogen annihilations.
This thesis reports the methods used to reconstruct the
annihilation location. Specifically, the methods used to identify
and extrapolate charged particle tracks and estimate the
originating annihilation location are outlined. Finally, the
experimental results demonstrating the first-ever magnetic
confinement of antihydrogen atoms are presented. These results rely
heavily on the silicon detector, and as such, the role of the
annihilation vertex reconstruction is emphasized.
In 2010, the ALPHA collaboration achieved a first for mankind: the
stable, long-term storage of atomic antimatter, a project carried
out a the Antiproton Decelerator facility at CERN. A crucial
element of this observation was a dedicated silicon vertexing
detector used to identify and analyze antihydrogen annihilations.
This thesis reports the methods used to reconstruct the
annihilation location. Specifically, the methods used to identify
and extrapolate charged particle tracks and estimate the
originating annihilation location are outlined. Finally, the
experimental results demonstrating the first-ever magnetic
confinement of antihydrogen atoms are presented. These results rely
heavily on the silicon detector, and as such, the role of the
annihilation vertex reconstruction is emphasized.
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