Hon.-Prof. Allen C. Caldwell

Courses and Dates

Offered Bachelor’s or Master’s Theses Topics

Entwicklung eines numerischen Integrationsalgorithmus in hochdimensionalen Räumen

You will develop novel integration algorithms in high-dimensional spaces.  Possibilities include various forms of importance sampling algorithms and the further development of the Adaptive Harmonic Mean Integration algorithm using differently chosen volumes for integration.  Test problems will be chosen from physics projects to validate the algorithm.  Good programming skills and knowledge of linear algebra are a pre-requisite for the project.

suitable as

• Bachelor’s Thesis Physics

Supervisor: Allen C. Caldwell

Entwicklung von numerischen Algorithmen zur Integration in hochdimensionalen Räumen und Anwendungen auf physikalische Probleme

You will develop novel integration algorithms in high-dimensional spaces.  Possibilities include various forms of importance sampling algorithms and the further development of the Adaptive Harmonic Mean Integration algorithm using differently chosen volumes for integration.  Test problems will be chosen from physics projects to validate the algorithm.  Good programming skills and knowledge of linear algebra are a pre-requisite for the project.

suitable as

• Bachelor’s Thesis Physics
• Master’s Thesis Nuclear, Particle, and Astrophysics

Supervisor: Allen C. Caldwell

Fitting of multiple vertices with RAVE

B-Mesons mainly decay in a B->D chain. Since the D decay vertex is displaced from the B decay vertex the determination of the B vertex gets biased if tracks from the D decay are included in the fit. The RAVE package allows in principle to fit multiple vertices and hence separate tracks from B and D decays. It should be studied if this feature can be used to improve the vertex resolution.

suitable as

• Bachelor’s Thesis Physics

Supervisor: Allen C. Caldwell

Monitoring and analysis of performance changes of the PXD Detector during a run

During a run the silicon sensors of the PXD (Pixel vertex detector) suffer from radiation damage which leads to gain changes or even to fatal damages of a pixels. From existing data the PXD properties needs to be extracted and changes should be correlated with the performance of the accelerator.

suitable as

• Bachelor’s Thesis Physics

Supervisor: Allen C. Caldwell

Optimization of the fitting procedures to determine ΔΓ in B0d decays

Find the best strategy to measure the width difference ΔΓ between even and odd CP eigenstates of the B⁰_d comparing various analyses methods, e.g. :

Two component fit, weighting, moments, multi-parameter log-likelihood fit, etc.

suitable as

• Bachelor’s Thesis Physics

Supervisor: Allen C. Caldwell

Vorbereitung der Analysen fuer das LEGEND Experiment

Das LEGEND Experiment wird z.Zt. zur Suche nach nutrinolosem
Doppelbetazerfall mit Hilfe von Germaniumdetektoren augfgebaut.
Die LEGEND Gruppe am MPI untersucht in Muenchen zur Vorbereitung
der Analysen in speziell konzipierten Teststaenden
die fundamentalen Eigenschaften der Ladungstraeger in Germanium.
Zur Simulation von Halbleiterdetektoren hat die Gruppe u.a.
das open-source Programmpaket SSD.jl entwickelt.
Bachelorarbeiten koennen vergeben werden fuer
 -- spezialisierte Datennahme und Qualitaetskontrolle,
 -- Simulation von bestimmten Detektorkonfigurationen,
 -- Arbeiten am SSD.jl Paket [incl. Einarbeitung in die Sprache Julia],
 -- Simulationen fuer die Physik von LEGEND.
Interessenten moechten bitte Dr. Iris Abt [isa"at"mpp.mpg.de] und
Dr. Oliver Schulz[oschulz"at"mpp.mpg.de] kontaktieren.

suitable as

• Bachelor’s Thesis Physics

Supervisor: Allen C. Caldwell