Welcome to the home of the Belle II masterclass. During the adventure  you will be able to play with the data acquired with a big particle detector. Millions of particles are waiting for you to combine them and find their mother particles. These are well hidden. Your help is needed!

Belle II spectrometer

Belle II detector is a huge magnet, instrumented with diferent sensors used for tracking and identification of decay products formed during collision of positrons and electrons.


The Belle II collaboration consist of over 984 physicist and engineers from 115 institutions in 26 countries. Visi our homepage for more info


This is a page with some basic contact information, such as an address and phone number. You might also try a plugin to add a contact form.