Belle II detector integrated with SuperKEKB accelerator

The High Energy Accelerator Research Organization (KEK) on 11 April 2017 successfully completed the “roll-in” of the Belle II detector. The term “roll-in” refers to the operation of moving the entire Belle II detector system, following the completion of the assembly and integration of the various components, from its assembly area to the beam collision point. The completion is an important milestone for the international Belle II collaboration and the SuperKEKB accelerator. The Belle II experiment is an international collaboration with 23 member nations hosted by KEK in Tsukuba, Japan.

The experiment explores the mysteries of the beginning of the universe. The detector mainly measures elementary particle interactions artificially created with the upgraded SuperKEKB accelerator. The total weight of the detector is about 1400 tons. Compared to the previous Belle experiment, Belle II will allow for the collection of much larger data samples with much improved measurement precision. More than 700 researchers from the 23 member countries and regions around the world will participate in the Belle II experiment. Belle-II has a significant Indian participation on experimental as well as theoretical sides.

The fourth layer of the six-layer, highly sensitive particle detector, which is at the heart of Belle-II, has been built by Indian scientists, led by Tariq Aziz and Gagan Mohanty, who are with the Tata Institute of Fundamental Research, Mumbai. Indian scientists from the IIT Bhubaneswar, Chennai, Guwahati and Hyderabad, Panjab University, Institute of Mathematical Sciences (Chennai), Punjab Agricultural University, Malaviya National Institute of Technology (Jaipur), Indian Institute of Science Education and Research (Mohali) are also participating in the research.

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