First observation of the decay D0 → K-π+[my]+[my]- in the [rho]0-[omega] region of the dimuon mass spectrum
A study of the decay D0→K−π+μ+μ− is performed using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 2.0 fb−1. Decay candidates with muon pairs that have an invariant mass in the range 675-875 MeV/c2 are...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
19 April 2016
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| In: |
Physics letters
Year: 2016, Volume: 757, Pages: 558-567 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2016.04.029 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2016.04.029 Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269316301022 
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| Author Notes: | LHCb Collaboration* |
MARC
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| 245 | 1 | 0 | |a First observation of the decay D0 → K-π+[my]+[my]- in the [rho]0-[omega] region of the dimuon mass spectrum |c LHCb Collaboration* |
| 246 | 3 | 0 | |a μ ρ ω |
| 246 | 3 | 3 | |a First observation of the decay D 0 → K - π + [my] + [my] - in the [rho] 0 - [omega] region of the dimuon mass spectrum |
| 246 | 3 | 3 | |a First observation of the decay D 0 → K - pi + my + my - in the rho 0 - omega region of the dimuon mass spectrum |
| 264 | 1 | |c 19 April 2016 | |
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| 500 | |a Im Titel ist die Zahl 0 und die Zeichen + und - hochgestellt | ||
| 500 | |a Im Titel sind "my", "rho" und "omega" als griechische Buchstaben dargestellt | ||
| 500 | |a *LHCb Collaboration: R. Aaij, P. D'Argent, S. Bachmann, S. Braun, A. Comerma-Montells, M. De Cian, F. Dordei, S. Esen, D. Gerick, E. Gersabeck, L. Grillo, X. Han, S. Hansmann-Menzemer, A. Jaeger, M. Kecke, M. Kolpin, K. Kreplin, B. Leverington, J. Marks, M. Meissner, D.S. Mitzel, S. Neubert, M. Neuner, T. Nikodem, A. Piucci, M. Stahl, U. Uwer, M. Vesterinen, A. Zhelezov [und 705 weitere Personen] | ||
| 500 | |a Gesehen am 08.07.2020 | ||
| 520 | |a A study of the decay D0→K−π+μ+μ− is performed using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 2.0 fb−1. Decay candidates with muon pairs that have an invariant mass in the range 675-875 MeV/c2 are considered. This region is dominated by the ρ0 and ω resonances. The branching fraction in this range is measured to beB(D0→K−π+μ+μ−)=(4.17±0.12(stat)±0.40(syst))×10−6. This is the first observation of the decay D0→K−π+μ+μ−. Its branching fraction is consistent with the value expected in the Standard Model. | ||
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