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World's only particle accelerator dedicated to art revs up at the Louvre in Paris


The world's only particle accelerator dedicated to art was switched on at the Louvre in Paris Thursday to help experts analyse ancient and precious works.

World's only particle accelerator dedicated to art revs up at the Louvre in Paris
An expert sets the position of a small bronze Jupiter in relation to Aglaé (Accélérateur Grand Louvre 
d'analyse élémentaire) to the millimetre [Credit: C2RMF/AGLAE/CNRS/Christophe Hargoues]
The 37-metre (88-foot) AGLAE accelerator housed underneath the huge Paris museum will be now be used for the first time to routinely study and help authenticate paintings and other items made from organic materials.

The Centre for Research and Restoration of the Museum of France (C2RMF) -- which is independent of the Louvre -- has spent 2.1 million euros ($2.5 million) overhauling and upgrading the machine, which can determine the chemical make-up of objects without the need to take samples.

World's only particle accelerator dedicated to art revs up at the Louvre in Paris
Another ancient bronze sculpture is analyzed using the latest version of the AGLAE 
[Credit: Stephane de Sakutin/AFP]
"Up to now we almost never analysed paintings because we were afraid the particle beam might change the colours" when it hit the pigments in the paint, director Isabelle Pallot-Frossard told AFP.

The AGLAE works by speeding up helium and hydrogen nuclei to speeds of between 20,000 to 30,000 kilometres (12,400 to 18,600 miles) per second and then bombarding the object, which emits radiation that can be captured and analysed.

World's only particle accelerator dedicated to art revs up at the Louvre in Paris
A restorer from the Restoration of Museums of France (C2RMF) research center explains the operation 
of the AGLAE [Credit: Stephane de Sakutin/AFP]
Among the first objects to be tested by the newly configured accelerator were Roman votive statues of the household gods -- the Lares -- which were said to protect the home.

They were uncovered from the ancient forum of Bavay close to the border with Belgium.

The old accelerator -- which was built in 1988 -- could only work between eight and 10 hours a day, but the new one can function around the clock, the C2RMF said.

Source: AFP [November 24, 2017]
TANN

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