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• #### Charged-particle multiplicities in $pp$ interactions at $\sqrt{s}$ = 900 GeV measured with the ATLAS detector at the LHC ﻿

(Peer reviewed; Journal article, 2010-04)
The first measurements from proton-proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy ...