Measurement of [psi](2S) meson production in pp collisions at √s = 7 TeV
The differential cross-section for the inclusive production of ψ(2S) mesons in pp collisions at $\sqrt{s}=7\ \mbox{TeV}$has been measured with the LHCb detector. The data sample corresponds to an integrated luminosity of 36 pb−1. The ψ(2S) mesons are reconstructed in the decay channels ψ(2S)→μ+μ− an...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
10 August 2012
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| In: |
The European physical journal. C, Particles and fields
Year: 2012, Jahrgang: 72, Heft: 8 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-012-2100-4 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-012-2100-4
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| Verfasserangaben: | The LHCb Collaboration* |
MARC
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| 245 | 1 | 0 | |a Measurement of [psi](2S) meson production in pp collisions at √s = 7 TeV |c The LHCb Collaboration* |
| 246 | 3 | 0 | |a ψ two seven |
| 246 | 3 | 3 | |a Measurement of psi (2S) meson production in pp collisions at √s = 7TeV |
| 246 | 3 | 3 | |a Measurement of psi(2S) meson production in pp collisions at sqrt s = 7TeV |
| 246 | 3 | 3 | |a Measurement of psi(2S) meson production in pp collisions at square root s = 7TeV |
| 246 | 3 | 3 | |a Measurement of psi(2S) meson production in pp collisions at root s = 7 TeV |
| 246 | 3 | 3 | |a Measurement of psi (2S) meson production in pp collisions at square root s = 7TeV |
| 264 | 1 | |c 10 August 2012 | |
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| 500 | |a The LHCb Collaboration: R. Aaij, S. Bachmann, A. Bien, F. Dordei, F. Eisele, C. Färber, S. Hansmann-Menzemer, A. Jaeger, K. Kreplin, G. Krocker, C. Linn, J. Marks, M. Meissner, P. Seyfert, J. van Tilburg, U. Uwer, S. Wandernoth, D. Wiedner, A. Zhelezov und zahlreiche weitere | ||
| 500 | |a Im Titel wird "psi" als griechischer Buchstabe dargestellt | ||
| 500 | |a Das s im Titel steht unter dem Wurzelzeichen | ||
| 500 | |a Gesehen am 05.08.2020 | ||
| 520 | |a The differential cross-section for the inclusive production of ψ(2S) mesons in pp collisions at $\sqrt{s}=7\ \mbox{TeV}$has been measured with the LHCb detector. The data sample corresponds to an integrated luminosity of 36 pb−1. The ψ(2S) mesons are reconstructed in the decay channels ψ(2S)→μ+μ− and ψ(2S)→J/ψπ+π−, with the J/ψ meson decaying into two muons. Results are presented both for promptly produced ψ(2S) mesons and for those originating from b-hadron decays. In the kinematic range pT(ψ(2S))≤16 GeV/c and 2<y(ψ(2S))≤4.5 we measure where the last uncertainty on the prompt cross-section is due to the unknown ψ(2S) polarization. Recent QCD calculations are found to be in good agreement with our measurements. Combining the present result with the LHCb J/ψ measurements we determine the inclusive branching fraction where the last uncertainty is due to the $\mathcal{B}(b \rightarrow J/\psi X)$, $\mathcal{B}(J/\psi\rightarrow\mu^{+} \mu^{-})$and $\mathcal{B}(\psi(2S) \rightarrow e^{+} e^{-})$branching fraction uncertainties. | ||
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| 787 | 0 | 8 | |i Errata |a LHCb Collaboration |t Erratum to: Measurement of [psi](2S) meson production in pp collisions at √s=7 TeV |d 2020 |w (DE-627)1694684733 |
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