Simon van der Meer, Dutch physicist and Nobel laureate died he was , 85.

Simon van der Meer was a Dutch particle physicist who shared the Nobel Prize in Physics in 1984 with Carlo Rubbia for contributions to the CERN project which led to the discovery of the W and Z particles, two of the most fundamental constituents of matter died he was , 85.

(24 November 1925 – 4 March 2011) 

Biography

One of four children, Simon van der Meer was born and grew up in The Hague, the Netherlands, in the family of teachers.^[2] He was educated at the city's gymnasium, graduating in 1943 during the German occupation of the Netherlands. He studied Technical Physics at the Delft University of Technology, and received an engineer's degree in 1952. After working for Philips Research in Eindhoven on high-voltage equipment for electron microscopy for a few years, he joined CERN in 1956 where he stayed until his retirement in 1990.^[3]
He married Catharina M. Koopman in the mid-1960s; they had two children: Esther van der Meer (daughter) and Mathijs van der Meer (son). He also had a sister: Gay van der Meer, and a granddaughter.

Scientific work

Van der Meer invented the technique of stochastic cooling of particle beams.^[4] This technique was used to accumulate intense beams of protons and antiprotons in the Super Proton Synchrotron at CERN, which allowed the UA1 experiment, led by Carlo Rubbia, to produce W and Z bosons through 500 GeV proton-antiproton collisions in early 1983. The W and Z bosons had been theoretically predicted some years earlier, and their experimental discovery was considered a significant success for CERN. Van der Meer and Rubbia shared the 1984 Nobel Prize for their decisive contributions to the project.^[5]
Van der Meer and Ernest Lawrence are the only two accelerator physicists who have won the Nobel prize
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