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particle accelerators

The Large Hadron Collider LHC is down for an upgrade. Photo: CERN

Why is the mass of the Higgs particle lighter than expected?

Researchers have built a model according to which the mass of the Higgs boson, which helps produce the mass of elementary particles, changed in the early universe, and is therefore much smaller than the standard model of particle physics describes
The study of gravity using gravitational waves. Credit: The Science website via DALEE

The quest for the theory of everything - scientists examine Einstein using the many data obtained from gravitational wave observations

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A research partnership between theoretical physicists and computational physicists at the University of Virginia that may offer new insight into the possibility of a theory of everything or, at the very least, a better understanding of gravity, one of the fundamental forces of the universe
Premilab campus near Chicago. Photo courtesy of the Permilab National Laboratory

The largest particle accelerator in the US will undergo an upgrade and reopen after more than a decade of shutdown

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The upgrade is expected to last several years and will include the construction of a new building to house the upgraded accelerator. Permilab is also planning to build a new particle detector, which will be used to study the particles produced by the Tevatron.

The well-publicized fight between the scientists over the construction of the future accelerator

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Nanoscale chips with a length of only 3 mm, consisting of compressed silica glass, are used to accelerate electrons to a speed ten times higher than that obtained today in normal accelerators. (Brad Plummer/SLAC)

Chip-sized particle accelerators

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