Hawaii scientists launch bold dark matter hunt over Antarctica

A team from the University of Hawaii Manoa has launched an ambitious experiment to detect dark matter. The project, led by professor Philip von Doetinchem, took flight over Antarctica on 15 December. Scientists hope to uncover clues about one of the universe's greatest mysteries—dark matter, which makes up roughly 85% of all mass but remains invisible.

The experiment relies on a General AntiParticle Spectrometer, carried by a balloon floating 24 miles above the icy continent. Its mission is to capture antimatter particles, specifically antiprotons and antideuterons, which could provide insights into dark matter and other cosmic phenomena.

The project brings together researchers from Columbia University, UCLA, and Northeastern University, along with collaborators from Japan, Italy, and China. Funding for the effort includes a $1.4 million grant from NASA, supporting both development and execution. Key members of the flight operations team include Achim Stoessi, Grace Tytus, and von Doetinchem himself. During the COVID-19 pandemic, Cory Gerrity played a crucial role in advancing detector technology on campus. The combined expertise aims to push the boundaries of astrophysics and potentially reveal new fundamental physics.

If successful, the experiment could transform our understanding of the universe. By detecting antimatter particles, scientists may finally gather direct evidence about dark matter's nature and behaviour. The findings could also open doors to discoveries beyond current theoretical models.