Study of [chi] b meson production in pp collisions at √s=7and 8TeV and observation of the decay [chi] b (3P) → [upsilon] (3S)γ
A study of χb meson production at LHCb is performed on proton–proton collision data, corresponding to 3.0 fb−1of integrated luminosity collected at centre-of-mass energies s√ = 7 and 8 TeV. The fraction of Υ(nS) mesons originating from χb decays is measured as a function of the Υ transverse moment...
Gespeichert in:
| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
8 October 2014
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| In: |
The European physical journal. C, Particles and fields
Year: 2014, Jahrgang: 74, Heft: 10 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-014-3092-z |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-014-3092-z |
| Verfasserangaben: | The LHCb Collaboration |
| Zusammenfassung: | A study of χb meson production at LHCb is performed on proton–proton collision data, corresponding to 3.0 fb−1of integrated luminosity collected at centre-of-mass energies s√ = 7 and 8 TeV. The fraction of Υ(nS) mesons originating from χb decays is measured as a function of the Υ transverse momentum in the rapidity range 2.0<yΥ<4.5. The radiative transition of the χb(3P) meson to Υ(3S) is observed for the first time. The χb1(3P) mass is determined to be mχb1(3P)=10511.3±1.7±2.5MeV/c2, where the first uncertainty is statistical and the second is systematic. |
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| Beschreibung: | Im Titel sind "chi" und "upsilon" als griechische Buchstaben dargestellt Im Titel ist "b" in [chi] b tiefgestellt Gesehen am 10.07.2020 |
| Beschreibung: | Online Resource |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-014-3092-z |