‘4D ghost structure’ detected in experiment at CERN particle accelerator

In a new study published in the scientific journal Nature Physics, a team of researchers found ‘4D ghost spectrum’ detected during particle accelerator experiment From the European Organization for Nuclear Research (CERN).

Scientists using CERN’s second largest accelerator, the Super Proton Synchrotron Data from an invisible structure represented in four states and therefore described as four-dimensional.

By collaborating with experts from the GSI accelerator in Germany, the team was able to prove the existence of an already theorized resonance structure; this structure also emerged in certain simulations. Being able to quantify the details of this structure is vital to answering a universal question about magnetic particle accelerators.

The measurement was performed on approximately 3,000 passes of the beam around the particle accelerator. With the results, Scientists believe they can improve the quality of the beam used in low-energy, high-brightness beam experiments; This improvement can be implemented both at CERN and at the GSI accelerator.

“With these resonances, the particles do not follow exactly the path we want and then fly away and disappear. This causes beam distortion and makes it difficult to obtain the required beam parameters. In accelerator physics, thinking usually takes place in a single plane,” GSI physicist Giuliano Franchetti said in an official statement.

Invisible and four-dimensional resonance

The article explains that it is quite difficult to find exact resonance structures because they are four-dimensional. because its detection requires measuring the beam horizontally and vertically. The experiment allowed the researchers to create a resonance map for further studies.

Either way, the team says the work isn’t over yet; Although the experiment is considered successful, they still need to reduce the harmful effect of resonance on the equipment. The next aim is to examine the results to develop a theory that can explain how individual particles behave when a resonance is detected in the accelerator.

“The collaboration arose from the need to understand what limits these machines in order to be able to deliver the performance and beam intensity needed in the future. What makes our latest discovery so special is that it shows how individual particles behave in coupled resonance. We can show that the experimental findings are consistent with those predicted based on theory and simulation,” he said. Hannes Bartosik, one of the study’s authors and a CERN scientist.

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