My Ph.D. student time at Max Planck Institut für Kernphysik, Heidelberg, Germany
Topic during my PhD student time:
Measurement of Time Dilation by Laser Spectroscopy on Fast Stored Lithium Ions
My PhD-thesis is available here.
The thesis is also available as book
Title: Test of Special Relativity: Time Dilation
Publisher: Vdm Verlag Dr. Müller (Juli 2008)