Measurements of underlying-event properties using neutral and charged particles in pp collisions at √s = 900 GeV and √s = 7 TeV with the ATLAS detector at the LHC

The ATLAS collaboration

研究成果: Contribution to journalArticle査読

39 被引用数 (Scopus)

抄録

We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters.Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV.Events were selected using a minimum-bias trigger which required a charged particle in scintillation counters on either side of the interaction point.Particle flows, sensitive to the underlying event, are measured using clusters of energy in the ATLAS calorimeters, taking advantage of their fine granularity.No Monte Carlo generator used in this analysis can accurately describe the measurements.The results are independent of those based on charged particles measured by the ATLAS tracking systems and can be used to constrain the parameters of Monte Carlo generators.

本文言語英語
論文番号1636
ジャーナルEuropean Physical Journal C
71
5
DOI
出版ステータス出版済み - 1 1 2011

All Science Journal Classification (ASJC) codes

  • 工学(その他)
  • 物理学および天文学(その他)

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