conservation law, also called law of conservation, in physics, a principle that states that a certain physical property (i.e., a measurable quantity) does not change in the course of time within an isolated physical system. In classical physics, laws of this type govern energy, momentum, angular momentum, mass, and electric charge. In particle physics, other conservation laws apply to properties of subatomic particles that are invariant during interactions. An important function of conservation laws is that they make it possible to predict the macroscopic behaviour of a system without having to consider the microscopic details of the course of a physical process or chemical reaction.
Option B.1
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There are other tasks essential for the detector:
a fast and reliable trigger (TRG) and data acquisition system (DAQ) records collision events of interest,
stable operation of superconducting solenoid magnet,
a globally-distributed computing and data-storage system and organized effort on various levels of software that work on the computer (Soft/Comp),
an arrangement of components around the Interaction Region (IR), such as beam pipes and final focusing magnets, which directly impacts the amoung of beam backgrounds, and
an integrated effort on the mechanical structure design (STR).
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Belle II Geometry Files (can be used in other applications)
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Make a COPY here. Copied from Andy Masley.