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Professor Niels Madsen

Professor Niels Madsen

Personal Chair, Physics

Telephone number

+44 (0) 1792 602652

Email address

Research Links

Office - 503
Fifth Floor
Vivian Building
Singleton Campus
Available For Postgraduate Supervision


At Swansea University since 2005, Professor Madsen is an experimental physicist who specializes in work on fundamental physics with antimatter. He is co-founder and group leader in the ALPHA collaboration that was the first group to trap antihydrogen and observe the first quantum transitions in it and is pursuing precision comparisons with hydrogen.

He has been actively involved in antihydrogen research since 2001, playing a substantial role in the ATHENA team that first formed low energy antihydrogen in 2002. He has a research group at CERN. His group plays a leading role in the ALPHA experiment, and led the effort to implement several key techniques leading to the first antihydrogen trapping and spectroscopy. For this work he has been awarded a Royal Society Senior Leverhulme Fellowship in 2010, and the 2011 James Dawson award for Excellence in Plasma Physics Research and a fellow of the American Physical Society in 2015.

Areas Of Expertise

  • Antihydrogen
  • Non-neutral plasmas
  • Atomic physics
  • Laser cooling
  • Spectroscopy
  • Accelerator physics
  • Trapped charged particles

Career Highlights

Award Highlights

John Dawson Award for Excellence in Plasma Physics Research (2011)

Fellow of the American Physical Society (2015)


Deputy spokesperson of the ALPHA Collaboration