Bidrag till Kung Karls lands geologi

Ruprecht-karls-universität Heidelberg

The subject of this thesis is the search for Odderon induced contributions to exclusive -production in photoproduction events with proton dissociation at the HERA accelerator facility. The search for the Odderon is based on data taken with the detector H1 during the years 1999 and 2000, with special emphasis on the VLQ-calorimeters. An essential part of this thesis is the construction, the comm...

Ruprecht-karls-universität Heidelberg

The subject of this work is the experimental implementation of a single bosonic Joseph-son junction and the discussion of the performed investigations. To generate this new kind of Josephson junction a 87-Rubidium Bose-Einstein condensate is split in a double well potential into two matter wave packets, which are coupled coherently to each other via quantum mechanical tunneling of atoms through...

Ruprecht-karls-universität Heidelberg

In this thesis the photoproduction of D∗ mesons in ep collisions at HERA is analysed. D∗ mesons are detected in the ’golden’ decay channel D∗ → Kππs with the H1 detector. Compared to earlier analyses, the systematic uncertainty is reduced due to two main improvements. Firstly, the simulation of the Fast Track Trigger, which is based on tracks measured within the central jet chambers, allows the...

Electromagnetic Moding in Lossy Geologi- Cal Strata

Recent research into very large, regularly shaped, geological structures has shown that in the 100 kHz to 10MHz frequency range electromagnetic waveguide behaviour is observed when the material forming the structure is not too lossy (conductivity σ < 0.0001). While mode formation and modal behaviour in electromagnetic waveguides is very well understood, much of the literature describes high fre...

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