University of Jyväskylä – Doctoral Researcher Recruitment (Slow Liquid Scintillators for Rare‑Event Physics, 2027)
Organization
University of Jyväskylä
Duration
3.5 years (fixed term).
Fellowship Amount
Approx. €2,500/month (gross, starting salary).
Overview
About Organization
The University of Jyväskylä, Finland, is a leading research university with strengths in physics, materials science, and nuclear/particle physics. The Department of Physics hosts advanced facilities including the Accelerator Laboratory and participates in major international collaborations.
Post Details
Position: Doctoral Researcher Department: Physics (Accelerator Laboratory) Research Area: Optical and chemical characterization of slow liquid scintillators for neutrinoless double beta decay and rare‑event searches Project: Academy Research Fellowship project “Bridging Detector and Nuclear Physics for Next‑Generation Neutrinoless Double Beta Decay with Slow Liquid Scintillators” (PI: Dr. Mariia Fedkevych, Research Council of Finland, 2026–2030) Start Date: January 1, 2027 (or as soon as possible thereafter) Duration: Fixed term, 3.5 years
Eligibility Criteria
Master’s degree in Physics or related field (Chemistry, Optical Science).
Strong background in experimental physics or physical chemistry.
Required: • Hands‑on experimental skills and interest in laboratory work • Basic programming knowledge (Python, C++, or similar) • Good written and spoken English • Willingness to travel for research visits and beam campaigns
Advantageous: • Experience in optical spectroscopy, photon detection, scintillator characterization • Laboratory experience with chemical handling or detector instrumentation • Data analysis skills • Familiarity with Geant4, ROOT, or ML methods
Experience Requirements
Synthesis and preparation of slow‑LS samples with varying dopant concentrations.
Measurement of optical properties (absorption/emission spectra, decay‑time constants, attenuation lengths).
Evaluation of chemical compatibility, stability, and purification efficiency.
Database creation of validated optical parameters for Geant4 simulations and ML‑based event reconstruction.
Participation in in‑beam characterization campaigns at INFN Legnaro National Laboratory (Italy).
Contribution to scientific publications, reports, and conferences.
Salary / Funding
Salary based on Finnish University Salary System (demand level 2–4).
Starting salary approx. €2,500/month (gross).
Holiday bonus included.
Salary progression with thesis advancement.
Six‑month trial period at start.
Selection Process
Online application submission.
Required documents: • CV (according to Finnish Advisory Board template) • Motivation/cover letter (max 2 pages) • Degree certificate (highest degree)
Postgraduate study rights must be applied separately after selection.
Important Dates
Application Deadline: September 30, 2026
Start Date: January 1, 2027 (or as soon as possible thereafter)
How to Apply
Submit application via University of Jyväskylä recruitment system.
Attach CV, cover letter, degree certificate.
Contact: Dr. Mariia Fedkevych (mariia.m.fedkevych@jyu.fi) or Dr. Kai Loo (kai.k.loo@jyu.fi).
Why Apply
This position offers the opportunity to contribute to frontier research in neutrino physics, collaborate internationally with Mainz and Padova, and gain advanced training in detector R&D, optical spectroscopy, and simulation.
Who Can Apply
Motivated Master’s graduates in Physics or related fields with strong experimental background and interest in rare‑event physics.
URLs
Advertisement URL: https://www.jyu.fi/en/research
Financial Support
Fellowship Amount: Approx. €2,500/month (gross, starting salary).
Eligibility Criteria
Important Dates
| 0 | • Application Deadline: September 30, 2026 |
| 1 | • Start Date: January 1, 2027 (or as soon as possible thereafter) |
Streams
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