When you buy connections to our articles, the future and its union partners can win a commission.
Particles are confronted inside the large adrony collision. | Credit: Shutterstock
Physicists in the largest particle accelerator in the world have first made a kind of antimatter discovery, which could help solve one of the greatest mysteries of the universe.
Discovery – made in Adrony collision (Lhc) at CERNNear Geneva-Spin that short-lived cousin of protons and neutrons, Beauty-Lambda Baryon, breaks down at different speeds than his antimaterial counterpart.
Called a charge violation (CP), this effect refers to particles with opposite charge, such as matter and animation, behaving differently. This is a decisive explanation why matter was able to dominate antimatter In the early universe – without it the universe would be an empty emptiness.
Although a key reason we are here in the first place, the amount of the CP violation provided by the standard model The particle physics is too small to explain the abundance of matter in our universe.
Moreover, this violation was previously discovered only in particles made up of Quark -antiquark pairs called mesons. It has not been observed in barione particles, such as protons and neutrons, which make up most of the visible matter of the universe.
Related: “The Majoren” – a bizarre particle that is its own opposite – can explain the largest mysteries of the universe, according to scientists
This first discovery has changed this, potentially opening a way to search for physics outside the standard model. Researchers presented their findings on March 24 at the Rencontres De Moriond Conference in La Twil, Italy, and published a study not reviewed at Preprin Server ARXIVS
“The reason it took longer to monitor the violation of CP in the Barryons than in the Mesons is reduced to the amount of effect and the available data,” ” Vincenzo vagnonispokesman for the experiment with the great Hadron Beauty Collector (LHCB) who made the opening, said in a statementS “We needed over 80,000 Barion’s decay to see asymmetry of matter and activating with this class of particles for the first time.”
The broth of creation
According to the standard cosmology model, after Big explosionThe young cosmos was excited plasma broth of matter and antimaterial particles that popped up and destroyed each other on contact.
The theory predicts that matter and antimatter within this plasma soup should be completely destroyed. But scientists believe that some unknown imbalance-a probable disorder of CP in the breakdown, including a weak nuclear force-a possibility of producing more matter than antimatter, saving it from self-destruction.
In order to seek a CP violation in Barryoni, LHCB researchers have been browned through data on countless particle interactions (where protons confronted approximately 25 million times per second) It happened between 2009 and 2018.
They gathered the breakup of Beauty-Lambda Baryon by looking for the Telltale paths made by his decay products, Kaon and a pair of oppositely charged peonies, as well as the collapse of its corresponding antimatter.
Related stories
–32 experiments with physics that changed the world
-Carisal aderonic collision finds 1st proof of the most severe antimathor particle so far
– The universe can end with a “big freezing”, a holographic model of the universe offers
Their analysis revealed that the difference between the number of Bariono breakdowns for beauty-lambs and the Barionons against the Lavti-Labda is 2.45% of zero with uncertainty of about 0.47%. This is measured to a statistical significance of 5.2 sigma passing Five-sigma Physicists use as a “gold standard” for a new discovery.
With the compacted finding, physicists say they will seek even more CP violations when LHC is fired again in 2030 and will collect additional data on the key mechanism that probably allowed our universe to exist.
“The more systems in which we observe CP violations and the more precise the measurements are, the more opportunities we need to test the standard model and look for physics beyond it,” Vagnoni said. “The first observation of the CP violation in Barion’s breakup paves the way for more theoretical and experimental studies of the nature of the violation of CP, which potentially offers new restrictions on physics outside the standard model.”