CERN scientists observe three ‘alien’ particles for the first time

GENEVA, July 5 (Reuters) – Scientists working with the Large Hadron Collider (LHC) have discovered three never-before-seen subatomic particles as they work to unlock the building blocks of the universe, the center said on Tuesday. European Nuclear Research Center CERN.

The 27-kilometer-long (16.8-mile) LHC at CERN is the machine that found the Higgs boson particle, which, with its bound energy field, is believed to be vital for the formation of the universe after the Big Bang 13.7 billion years ago. Read more

Today, CERN scientists claim to have observed a new type of ‘pentaquark’ and the first-ever pair of ‘tetraquarks’, adding three members to the list of new hadrons discovered at the LHC.

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They will help physicists better understand how quarks bind together to form composite particles.

Quarks are elementary particles that usually combine in groups of two or three to form hadrons such as the protons and neutrons that make up atomic nuclei.

More rarely, however, they can also combine into four- and five-quark particles, or tetraquarks and pentaquarks.

“The more analyzes we do, the more exotic types of hadrons we find,” said physicist Niels Tuning. said in a report.

“We are seeing a period of discovery similar to the 1950s, when a ‘particle zoo’ of hadrons began to be discovered and eventually led to the quark model of conventional hadrons in the 1960s. We are creating the ‘particle zoo’ 2.0′”.

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Reporting by Michael Shields; Editing by Catherine Evans

Our standards: The Thomson Reuters Trust Principles.

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