Search for the decay D0→π+π−μ+μ−
A search for the D0→π+π−μ+μ− decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated luminosity of 1.0fb−1 recorded by the LHCb experiment at a centre-of-mass energy of 7 TeV. No signal is observed and an upper li...
Gespeichert in:
| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2014
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| In: |
Physics letters
Year: 2013, Jahrgang: 728, Pages: 234-243 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2013.11.053 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2013.11.053 Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269313009593 
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| Verfasserangaben: | LHCb Collaboration |
MARC
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| 245 | 1 | 0 | |a Search for the decay D0→π+π−μ+μ− |c LHCb Collaboration |
| 246 | 3 | 3 | |a Search for the decay D 0 into pi plus pi minus mu plus mu minus |
| 264 | 1 | |c 2014 | |
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| 500 | |a Im Titel sind die Plus- und Minuszeichen hochgestellt | ||
| 500 | |a Im Titel ist die Ziffer "0" hochgestellt | ||
| 500 | |a Available online 28 November 2013 | ||
| 500 | |a LHCb Collaboration: R. Aaij, S. Bachmann, A. Bien, M. De Cian, A. Di Canto, F. Dordei, C. Färber, E. Gersabeck, L. Grillo, S. Hansmann-Menzemer, A. Jaeger, K. Kreplin, G. Krocker, B. Leverington, C. Linn, J. Marks, M. Meissner, T. Nikodem, P. Seyfert, S. Stahl, J. van Tilburg, U. Uwer, S. Wandernoth, D. Wiedner, A. Zhelezov [und weitere] | ||
| 500 | |a Gesehen am 04.11.2020 | ||
| 520 | |a A search for the D0→π+π−μ+μ− decay, where the muon pair does not originate from a resonance, is performed using proton-proton collision data corresponding to an integrated luminosity of 1.0fb−1 recorded by the LHCb experiment at a centre-of-mass energy of 7 TeV. No signal is observed and an upper limit on the relative branching fraction with respect to the resonant decay mode D0→π+π−ϕ(→μ+μ−), under the assumption of a phase-space model, is found to beB(D0→π+π−μ+μ−)/B(D0→π+π−ϕ(→μ+μ−))<0.96 at 90% confidence level. The upper limit on the absolute branching fraction is evaluated to be B(D0→π+π−μ+μ−)<5.5×10−7 at 90% confidence level. This is the most stringent to date. | ||
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