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Particle Physicists Detect ‘Magic’ at the Large Hadron Collider

The supercollider is now being used to explore quantum phenomena, including a “magic” form of quantum entanglement. The post Particle Physicists Detect ‘Magic’ at the Large Hadron Collider first appeared on Quanta Magazine

6 April 2026 at 07:13 pm
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Particle Physicists Detect ‘Magic’ at the Large Hadron Collider

Particle physicists have made a groundbreaking discovery at the Large Hadron Collider (LHC), unveiling a previously unknown form of quantum entanglement that they are calling "magic." This unexpected phenomenon, which has been dubbed "magic" due to its unique properties, is challenging scientists' understanding of quantum mechanics and could lead to new breakthroughs in both theoretical physics and technology.

The LHC, the world's largest and most powerful particle accelerator, is designed to smash protons together at nearly the speed of light. Each collision produces a cascade of particles, including the top quark and its antiparticle, the anti-top quark. These particles are the heaviest known elementary particles, and they are created in pairs during the collisions. In the brief moment before they decay into lighter particles, the top quark and anti-top quark fly apart, but they remain quantum mechanically entangled.

Quantum entanglement is a phenomenon where two or more particles become linked in such a way that the state of one particle is directly related to the state of the other, regardless of the distance between them. This connection is so strong that measuring the state of one particle instantly determines the state of the other, no matter how far apart they are. Einstein famously referred to this as "spooky action at a distance."

In the case of the top quark and anti-top quark, the entanglement is typically short-lived, lasting only a trillionth of a trillionth of a second. However, the recent discovery at the LHC has revealed a new type of entanglement that persists for a significantly longer period. This "magic" form of entanglement is unique because it involves a complex interplay of quantum states that has never been observed before.

Scientists are now exploring the implications of this discovery. The "magic" entanglement could provide new insights into the fundamental nature of quantum mechanics and the behavior of particles at the most fundamental level. It may also have practical applications in the development of quantum technologies, such as quantum computing and cryptography, which rely on the manipulation of entangled particles.

The LHC's ability to produce such rare and powerful particle collisions has been crucial to this discovery. The collider's design allows physicists to probe the subatomic world with unprecedented precision, uncovering phenomena that would otherwise remain hidden. The recent findings are a testament to the power of large-scale scientific collaborations and the importance of investing in cutting-edge research facilities like the LHC.

As particle physicists continue to analyze the data from these collisions, they are hoping to uncover more about the nature of this "magic" entanglement. Understanding this new quantum phenomenon could lead to a deeper understanding of the universe and pave the way for revolutionary advancements in science and technology.

In the world of particle physics, discoveries like this are rare and transformative. The detection of "magic" at the LHC is not only a triumph for the scientists involved but also a reminder of the vast mysteries that still lie hidden within the subatomic realm. As research progresses, the potential for new discoveries and breakthroughs continues to grow, promising to reshape our understanding of the fundamental building blocks of the universe.

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