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Measurement of D-0-(D)over-bar(0) mixing parameters using D-0 -> K-S(0)pi(+) pi(-) and D-0 -> (KSK+K-)-K-0 decays
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BABAR Collaboration (Including:
). (2010) Measurement of D-0-(D)over-bar(0) mixing parameters using D-0 -> K-S(0)pi(+) pi(-) and D-0 -> (KSK+K-)-K-0 decays. Physical Review Letters, Vol.105 (No.8). article no. 081803 . doi:10.1103/PhysRevLett.105.081803 ISSN 0031-9007.Research output not available from this repository.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.105.081803
Abstract
We report a direct measurement of D-0-(D) over bar (0) mixing parameters through a time-dependent amplitude analysis of the Dalitz plots of D-0 -> K-S(0)pi(+)pi(-) and, for the first time, D-0 -> (KSK+K-)-K-0 decays. The low-momentum pion pi(+)(s) in the decay D*(+) -> D-0 pi(+)(s) identifies the flavor of the neutral D meson at its production. Using 468.5 fb(-1) of e(+)e(-) colliding-beam data recorded near root s = 10.6 by the BABAR detector at the PEP-II asymmetric-energy collider at SLAC, we measure the mixing parameters x = [1.6 + 2.3(stat) +/- 1.2(syst) +/- 0.8(model)] X 10(-3), and y = [5.7 +/- 2.0(stat) +/- 1.3(syst) +/- 0.7(model)] X 10(-3). These results provide the best measurement to date of x and y. The knowledge of the value of x, in particular, is crucial for understanding the origin of mixing.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 19 August 2010 | ||||
| Dates: |
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| Volume: | Vol.105 | ||||
| Number: | No.8 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | article no. 081803 | ||||
| DOI: | 10.1103/PhysRevLett.105.081803 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Funder: | DOE (U.S.), NSF (U.S.), NSERC (Canada), CEA (France), CNRS-IN2P3 (France), BMBF (Germany), DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MICIIN (Spain), STFC (U.K.), European Union, A.P. Sloan Foundation (U.S.), Binational Science Foundation (U.S.-Israel) |
Data sourced from Thomson Reuters' Web of Knowledge
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