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Measurement of the D^{*}(2010)^{+}-D^{+} mass difference
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BABAR Collaboration (Including:
). (2017) Measurement of the D^{*}(2010)^{+}-D^{+} mass difference. Physical Review Letters, 119 (20). 202003. doi:10.1103/PhysRevLett.119.202003 ISSN 0031-9007.Research output not available from this repository.
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Official URL: http://doi.org/10.1103/PhysRevLett.119.202003
Abstract
We measure the mass difference, Δm_{+}, between the D^{*}(2010)^{+} and the D^{+} using the decay chain D^{*}(2010)^{+}→D^{+}π^{0} with D^{+}→K^{-}π^{+}π^{+}. The data were recorded with the BABAR detector at center-of-mass energies at and near the ϒ(4S) resonance, and correspond to an integrated luminosity of approximately 468 fb^{-1}. We measure Δm_{+}=(140 601.0±6.8[stat]±12.9[syst]) keV. We combine this result with a previous BABAR measurement of Δm_{0}≡m(D^{*}(2010)^{+})-m(D^{0}) to obtain Δm_{D}=m(D^{+})-m(D^{0})=(4824.9±6.8[stat]±12.9[syst]) keV. These results are compatible with and approximately five times more precise than the Particle Data Group averages.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| SWORD Depositor: | Library Publications Router | ||||||
| Journal or Publication Title: | Physical Review Letters | ||||||
| Publisher: | American Physical Society | ||||||
| ISSN: | 0031-9007 | ||||||
| Official Date: | 17 November 2017 | ||||||
| Dates: |
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| Volume: | 119 | ||||||
| Number: | 20 | ||||||
| Article Number: | 202003 | ||||||
| DOI: | 10.1103/PhysRevLett.119.202003 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access |
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