The differential production cross section of the phi(1020) meson in sqrt(s) = 7 TeV pp collisions measured with the ATLAS Detector

Abstract

A measurement is presented of the ϕ×BR(ϕ→K+K−) production cross section at sqrt(s) = 7 TeV using pp collision data corresponding to an integrated luminosity of 383 μb−1 , collected with the ATLAS experiment at the LHC. Selection of ϕ (1020) mesons is based on the identification of charged kaons by their energy loss in the pixel detector. The differential cross section is measured as a function of the transverse momentum, pT,ϕ , and rapidity, yϕ , of the ϕ (1020) meson in the fiducial region 500 <pT,ϕ< 1200 MeV, |yϕ|< 0.8, kaon pT,K> 230 MeV and kaon momentum pK< 800 MeV. The integrated ϕ(1020) -meson production cross section in this fiducial range is measured to be σϕ×BR(ϕ→K+K−) = 570 ± 8 (stat) ± 66 (syst) ± 20 (lumi) μb .


Tutti gli autori

  • G. AAD , G. CHIODINI , E. GORINI , M. PRIMAVERA , S. SPAGNOLO , A. VENTURA , ET AL.

Titolo volume/Rivista

THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS


Anno di pubblicazione

2014

ISSN

1434-6044

ISBN

Non Disponibile


Numero di citazioni Wos

5

Ultimo Aggiornamento Citazioni

28/04/2018


Numero di citazioni Scopus

2

Ultimo Aggiornamento Citazioni

28/04/2018


Settori ERC

Non Disponibile

Codici ASJC

Non Disponibile