Prof. dr. ing. Bob van Eijk

Bob van Eijk is research physicist at the national Institute for subatomic (astro)particle physics (Nikhef) in Amsterdam. After an education in electronics engineering and theoretical physics, he obtained a PhD in experimental physics in 1987 at the UA1 experiment (discovery of the Intermediate Vector Bosons) at CERN. In 1988 he joined the DELPHI experiment at the LEP collider and participated in the design of the ATLAS detector ( now operational at the Large Hadron Collider (LHC) in Geneva (discovery of the Higgs boson). End of 1992 he returned to the Netherlands on a C&C Huygens fellowship. Since 1998 he is chair holder for particle physics at the University Twente. During 2005/2006 he joined the D0 experiment at the Fermilab collider near Chicago to study very specific decay modes of the top quark.

Early 2003 he became one of the co-founders of the HiSPARC experiment (, a large array of cosmic ray detectors, build, installed and controlled by high-school students. The network has expanded towards the UK, Denmark and Namibia (more than 140 stations today). During past 15 years, the experiment also facilitated research for ~50 high-school physics teachers (1 day per week for 1 year).

In addition to coordinating the HiSPARC experiment and outreach, he currently focusses on revealing the properties of the Higgs boson with the ATLAS detector. Emphasis is on Higgs couplings to Standard Model particles and its so-called ‘self-coupling’. Latter is an essential ingredient defining the shape of the scalar (Higgs) potential in the Standard Model.

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