Misplaced Pages

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In high energy physics experiments, an absorber is a block of material used to absorb some of the energy of an incident particle. Absorbers can be made of a variety of materials, depending on the purpose; lead and liquid hydrogen are common choices.

Most absorbers are used as part of a detector.

A more recent use for absorbers is for ionization cooling,as in the International Muon Ionization Cooling Experiment.

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Paper towels are a main absorber because they have cellulose or plant fibers inside that help trap water by capillary action. Capillary action is when water is pulled upward by upward attraction until the weight of the water that is trapped is equal to the capacity.

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