From God Particle To Dark Matter, India Helps Decode Universe’s Deepest Mysteries

The European Organization for Nuclear Research CERN is preparing for a major upgrade of its Large Hadron Collider (LHC), a development that continues to draw significant scientific participation from India, according to official statements and project updates. The upgrade, valued at approximately $1.5 billion, is part of the transition to the High-Luminosity LHC, which is expected to resume operations around 2030 with significantly enhanced precision capabilities aimed at probing the fundamental structure of matter.

The LHC, located in a 27-kilometre underground tunnel at the border of Switzerland and France, is widely regarded as the world’s largest and most powerful particle accelerator. Built at an estimated cost of around $5 billion, it has involved contributions from more than 100 countries, including India, and has played a central role in advancing modern particle physics. One of its most significant achievements was the 2012 discovery of the Higgs boson, a fundamental particle associated with the mechanism that gives mass to other particles.

India’s involvement in the CERN programme has been coordinated through its Department of Atomic Energy, which has contributed to both experimental and computational aspects of the collider’s research ecosystem. Indian scientists and institutions have been part of major detector collaborations, data analysis efforts and engineering support systems, helping process the vast amounts of information generated by high-energy particle collisions. Officials have described India’s participation in the upgraded phase as crucial for advancing precision measurements and exploring physics beyond the Standard Model.

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The LHC has also had broader technological impacts beyond particle physics. One of its earliest experimental computing networks contributed to the development of the World Wide Web, initially created at CERN to facilitate data sharing among researchers. Over the years, the facility has continued to drive innovations in superconducting magnets, cryogenics and large-scale data processing, with applications extending into medicine, engineering and information technology.

The upcoming High-Luminosity upgrade aims to significantly increase the number of particle collisions, allowing researchers to study rare processes and search for elusive phenomena such as dark matter. Scientists hope the enhanced system will provide deeper insights into unanswered questions about the origin of the universe, the nature of fundamental forces and the composition of matter. The shutdown of the current run marks the beginning of an extensive engineering overhaul, after which the collider is expected to return with greater sensitivity and experimental reach.

India’s continued participation in the project underscores its long-term commitment to global big science collaborations. Researchers note that the upgraded phase of the LHC could be pivotal in addressing some of the most profound mysteries in physics, including the search for particles that do not interact with light or ordinary matter. As construction and upgrade work proceed over the coming years, the scientific community anticipates that the next phase of experiments will further expand humanity’s understanding of the universe at its most fundamental level.

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