Study of the rare decay K± → π±γγ in the NA48/2 and NA62 experiments at CERN
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Overview
abstract
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A sample of about 300 K± → π±γγ rare decays with a background contamination below 10%25 has been collected by the NA48/2 and NA62 experiments at CERN during low intensity runs with minimum bias trigger configuration. The measurements of the decay spectrum and rate provide a crucial test of the Chiral Perturbation Theory (ChPT) describing weak processes at low energy. © ARISF 2013.
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Research
keywords
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Energy management; Energy resources; Human computer interaction; Chiral perturbation theory; Decay spectra; Gammagamma; Low-intensity; Measurements of; Rare decays; Trigger configuration; Perturbation techniques
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