Physics Briefings

ATLAS observes the Higgs boson with Run 2 data

4th August 2016The LHC’s jump in energy to 13 TeV in Run 2, together with the copious amount of collisions delivered over the last 12 months, has allowed the ATLAS experiment to collect a data sample that is more than equivalent to the one collected during Run 1.

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Further progress in the quest for SUSY particles

4th August 2016 – ATLAS physicists have been eagerly searching the collected data for evidence of the production of the supersymmetric top quark (squark). Recent ATLAS results feature five separate searches for this elusive particle. 

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Hunting the origin of the top quark’s mass

4th August 2016 – The ATLAS experiment has been searching for the process in which a pair of top quarks is produced, where one is a “virtual” particle that emits a Higgs boson on the way to becoming a “real” particle. This process is referred to as ttH production after the particles that are produced.

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Searching for new phenomena in final states with missing momentum and jets

4th August 2016 – The nature of dark matter remains one of the greatest mysteries in physics. While extraordinary, the Standard Model can not explain dark matter, whose existence is well established by cosmological measurements.

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Continuing the search for extra dimensions

17th June 2016 – For a long time, physicists have assumed that space-time has four dimensions in total – three of space and one of time – in agreement with what we see when we look around us. However, some theorists have proposed that there may be other spatial dimensions that we don’t experience in our daily lives.

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Di-photons in the spotlight

16th June 2016 – The ATLAS collaboration has now released the final results on the search for new physics in the di-photon channel using 2015 data.

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Something went bump in the night

16th June 2016 – ATLAS has published hundreds of studies of LHC data, with the Higgs boson discovery being perhaps the best known. Amongst the Run 1 searches there was one which stood out: the diboson excess.

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