ɛkstɹˈiːm ɛɡzˈæmpəlz ʌv ðiːz kˈaɪndz ʌv ɛkspˈɛɹɪmənts mˈeɪ biː fˈaʊnd æt ðə lˈɑːɹdʒ hˈædɹən kəlˈaɪdɚ, wˌɛɹ ðɪ ɪnˈoːɹməs ˈætləs ænd sˌiːˌɛmˈɛs dɪtˈɛktɚz mˈʌst ɹᵻdʒˈɛkt hjˈuːdʒ nˈʌmbɚz ʌv bˈækɡɹaʊnd ᵻvˈɛnts æt vˈɛɹi hˈaɪ ɹˈeɪts, tʊ ˈaɪsəlˌeɪt ðə vˈɛɹi ɹˈɛɹ ᵻvˈɛnts bˌiːɪŋ sˈɔːt.
Extreme examples of these kinds of experiments may be found at the Large Hadron Collider, where the enormous Atlas and CMS detectors must reject huge numbers of background events at very high rates, to isolate the very rare events being sought.