Scientists use laser pulse technology to reveal that the nuclei of the heaviest atoms in the Universe have a rugby ball shape.

Written by Fabio Lucas Carvalho

Published on 18/04/2026 at 20:01

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The application of advanced optical technologies allowed physicists to identify that the structure of the most massive elements is not spherical, presenting an oval geometry that redefines the understanding of the stability of matter in the Universe.

An innovative study conducted by international researchers revealed that the nuclei of the heaviest atoms in the Universe have a peculiar shape of rugby ball.

Through the use of high-precision laser pulses, the team was able to observe structural deformations in elements that challenge traditional spherical representations in nuclear physics. This discovery offers a new perspective on how matter organizes under extreme conditions of mass and density.

The laser pulse technology in nuclear observation

The applied technique uses pulses of laser to probe the internal structure of heavy isotopes with unprecedented resolution in current science. By firing these beams of light at the atoms, scientists can measure the energy transitions that indicate the distribution of protons and neutrons in the nucleus.

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Implications for the understanding of heavy elements

The mapping conducted with laser pulses focuses especially on elements situated at the edge of the periodic table, where nuclear stability is volatile.

The researchers noted that the rugby ball-shaped deformation is not an anomaly, but a fundamental property of atoms with high atomic mass. This characteristic directly influences how these elements interact with other particles and how they undergo radioactive decay processes.

The precision of laser pulses has also allowed for the differentiation of subtle variations between isotopes of the same chemical element. Although they share the same number of protons, the addition of neutrons significantly alters the degree of elongation of the atomic nucleus observed.

These measurements are essential to validate theoretical models that attempt to predict the existence of new superheavy elements in the so-called “island of stability”.

Technical challenges and the future of nuclear physics

The use of laser pulses to investigate the rugby ball shape of nuclei requires laboratory facilities of extremely high complexity and absolute vacuum. Each experiment requires perfect synchronization between the firing of the laser and the trajectory of the heavy ions accelerated in the laboratory. The success of this approach demonstrates that laser spectroscopy is one of the most powerful tools to unravel the secrets of subatomic matter.

With the consolidation of this data, the scientific community hopes to refine calculations about the synthesis of elements inside stars and in violent cosmic events.

The rugby ball shape identified via laser pulses serves as a fundamental marker to understand the chemical evolution of the cosmos. The next steps of the research aim to expand this analysis to even more ephemeral and massive elements.

Click here to access the study.

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Scientists use laser pulse technology to reveal that the nuclei of the heaviest atoms in the Universe have a rugby ball shape.

The application of advanced optical technologies allowed physicists to identify that the structure of the most massive elements is not spherical, presenting an oval geometry that redefines the understanding of the stability of matter in the Universe.

The laser pulse technology in nuclear observation

Implications for the understanding of heavy elements

Technical challenges and the future of nuclear physics

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The application of advanced optical technologies allowed physicists to identify that the structure of the most massive elements is not spherical, presenting an oval geometry that redefines the understanding of the stability of matter in the Universe.

The laser pulse technology in nuclear observation

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Technical challenges and the future of nuclear physics

While in Brazil a 10-story building takes 2 years to complete, in China a company stacks pre-fabricated modules and raises the entire building in just 28 hours and 45 minutes.

The oldest tree in the world, alive since before the birth of Jesus Christ, is cut down in a scientific study and the case changes environmental preservation rules.

Seen from space, an image taken by an astronaut shows an unlikely oasis in the Saudi Arabian desert, protected by a terrain that slows the advance of sand, surrounded by green circles, remnants of an extinct lake and nearly 10,000 years of preserved history.

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After ten days orbiting the Moon, science confirms that the astronauts of the Artemis II mission return with altered bodies.

With 7.4 trillion tons of artificial snow pumped in 10 years, an extreme operation could stabilize the West Antarctic ice sheet and prevent a sea level rise of more than 3 meters, but it would require snow cannons, ocean water, and energy on an almost industrial scale at the end of the world.

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