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Bob S
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See
http://physicsworld.com/cws/article/news/44305
Bob S
http://physicsworld.com/cws/article/news/44305
Bob S
Rest mass is the mass of an object when it is at rest, meaning it is not moving.
The rest mass of the ZZ pair is important because it helps us understand the nature of particles and their interactions. It also plays a crucial role in the development of theories and models in particle physics.
The rest mass of the ZZ pair was measured using data collected from collisions at the Large Hadron Collider (LHC). Scientists analyzed the energy and momentum of the particles produced in these collisions to determine the rest mass of the ZZ pair.
The unit of measurement for the rest mass of the ZZ pair is in electron volts (eV) or its multiples, such as kiloelectron volts (keV) or gigaelectron volts (GeV).
The rest mass of the ZZ pair is sometimes referred to as the invariant mass because it remains the same regardless of the frame of reference. This means that no matter how fast or slow an observer is moving, they will measure the same rest mass for the ZZ pair.