Measurement of J/ψ polarization in pp collisions at √s=7 TeV
- Back, J. J.
- Craik, Daniel
- Dossett, D.
- Gershon, T. J.
- Kreps, Michal
- Latham, Thomas
- Pilar, T.
- Poluektov, Anton
- Reid, Matthew M.
- Silva Coutinho, R.
- Wallace, Charlotte
- Whitehead, M. (Mark)
- Williams, M. P.
- HASH(0x562bf2173e70)
Publication date
October 2013
DOI Publisher
Springer Science and Business Media LLC Language
EnglishAbstract
An angular analysis of the decay J/ψ→μ+μ− is performed to measure the polarization of prompt J/ψ mesons produced in pp collisions at √s=7TeV. The dataset corresponds to an integrated luminosity of 0.37 fb−1 collected with the LHCb detector. The measurement is presented as a function of transverse momentum, pT, and rapidity, y, of the J/ψ meson, in the kinematic region 2<pT<15GeV/c and 2.0<y<4.5
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