J/ψ Polarization in pp Collisions at √s=7  TeV

B.I. Abelev, M. Chojnacki, P. Christakoglou, R. S. de Rooij, A. Grelli, G. Luparello, A. Mischke, G.J.L. Nooren, T. Peitzmann, M Reicher, R.J.M. Snellings, D Thomas, M. van Leeuwen, M Veldhoen, M. Verweij, Y. Zhou, M. Zynovyev

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The ALICE Collaboration has studied J/ψ production in pp collisions at √s=7  TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were measured, and results on the J/ψ polarization parameters λθ and λϕ were obtained. The study was performed in the kinematic region 2.5
Original languageEnglish
Article number072301
Pages (from-to)082001/1-082001/10
Number of pages10
JournalPhysical Review Letters
Volume108
Issue number8
DOIs
Publication statusPublished - 2012

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