Research Associate for the project “Determination of the Hierarchy of Neutrino Masses with the JUNO-Experiment” University of Hamburg, Department of Physics, Institute of Experimental Physics Germany

Faculty/Department: Mathematics, Informatics, Natural Sciences/Physics

Seminar/Institute: Institute of Experimental Physics

Universität Hamburg invites applications for a Research Associate for the project
“Determination of the Hierarchy of Neutrino Masses with the JUNO-Experiment” in
accordance with Section 28 subsection 3 of the Hamburg higher education act (Hamburgisches
Hochschulgesetz, HmbHG). The position commences on as soon as possible.

It is remunerated at the salary level TV-L 13 and calls for 50 % of standard work hours per week*.

The fixed-term nature of this contract is based upon Section 2 of the academic fixed-term labor
contract act (Wissenschaftszeitvertragsgesetz, WissZeitVG). The term is fixed for a period of 3

The University aims to increase the number of women in research and teaching and explicitly
encourages women to apply. Equally qualified female applicants will receive preference in
accordance with the Hamburg act on gender equality (Hamburgisches Gleichstellungsgesetz,

Duties include academic services in the project named above. Research associates can also
pursue independent research and further academic qualifications.

Specific Duties:
The main task for the holder of the position will be the further development of the 3Dtopological reconstruction for low energy events (MeV) in large-volume liquid Scintillator
detectors. In this, the first action will be the adaptation of the software towards the usage of
realistics signal pulses (waveforms) generated by the JUNO-PMTs & electronics. Furthermore, a
systematic treatment of Cherenkov-light should be implemented into the reconstruction code.
The information about the Cherenkov-light should then be used to extend and optimise our
existing methods to distinguish between electrons and positrons in JUNO into an energy region
relevant for the decay products of muons. For this analysis modern machine learning methods
should be applied.

A participation in the PMT-testing shifts of the JUNO experiment in China is required.

A university degree in a relevant field. Good programming skills in C++. Furthermore desirable
are: Prior knowledge in the usage of machine learning methods, experience in international
collaborations, excellent scientific performance in data analysis and track reconstruction and
good knowledge concerning large-volume liquid Scintillatior- or Water-Cherenkov-detectors
and their instrumentation.

Severely disabled applicants will receive preference over equally qualified non-disabled

For further information, please contact Prof. Dr. Caren Hagner ( and
Dr. Bjoern Wonsak ( or consult our website at

Applications should include a cover letter, curriculum vitae, and copies of degree certificate(s).

The application deadline is 31/03/2019. Please send applications to: Prof. Dr. Caren Hagner,
Fachbereich Physik, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg.


* Full-time positions currently comprise 39 hours per week.

If you apply for this position please say you saw it on Physicaloxy


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