Top quarks in the Large Hadron Collider (LHC) proton-proton collisions are predominantly produced in pairs, with one top quark and one top antiquark. In order to measure the production rates of top quark pairs, the ATLAS ...
General Physics
Oct 9, 2017
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22
An unprecedented number of particles has been reached in record time. Just five weeks after physics resumed, the Large Hadron Collider (LHC) is already running at full throttle. On Wednesday 28 June 2017 the LHC established ...
General Physics
Jun 30, 2017
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64
In a paper published today in Nature Physics , the ALICE collaboration reports that proton collisions sometimes present similar patterns to those observed in the collisions of heavy nuclei. This behaviour was spotted through ...
General Physics
Apr 25, 2017
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99
All physical theories are simplified representations of reality, and as a consequence, have a specified range of applicability. Many scientists working on the LHCb experiment at CERN had hoped that the exceptional accuracy ...
General Physics
Apr 13, 2017
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40
Following seven successful months of colliding proton beams with each other in the search for new fundamental particles, the LHC today began colliding proton beams with beams made up of heavy ions – the nuclei of lead atoms.
General Physics
Nov 11, 2016
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21
The main aim of current experiments at the Large Hadron Collider (LHC) is to study fundamental properties of matter. With the help of proton-proton collisions, a precise study of the Standard Model and properties of the recently ...
General Physics
Aug 1, 2016
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14
Following its annual winter break, the most powerful collider in the world has been switched back on.
General Physics
May 11, 2016
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28
After a two-year hiatus, the Large Hadron Collider, the largest and most powerful particle accelerator in the world, began its second run of experiments in June, smashing together subatomic particles at 13 teraelectronvolts ...
General Physics
Oct 14, 2015
9
4157
The Relativistic Heavy Ion Collider (RHIC), a particle collider for nuclear physics research at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, smashes large nuclei together at close to the speed of ...
General Physics
Sep 1, 2015
0
204
Shortly after the start of Run 2 at the Large Hadron Collider (LHC) at CERN in June 2015, scientists from DESY and their colleagues from the experiments CMS and ATLAS have performed a first important test of the Standard ...
General Physics
Aug 21, 2015
21
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