Precision measurement of the Λ+c baryon mass

B. Aubert, J.Y. Chen, K. Peters, L.L. Zhang, S. Chen, M.C. Simani, X.H. Li, M.A. Baak, H.J. Bulten, G. Raven, H. Snoek, P. David, H. Schroder, N. de Groot, Z. Yu

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The Λ+c baryon mass is measured using Λ+c→ΛK0SK+ and Λ+c→Σ0K0SK+ decays reconstructed in 232  fb−1 of data collected with the BABAR detector at the PEP-II asymmetric-energy e+e− storage ring. The Λ+c mass is measured to be 2286.46±0.14  MeV/c2. The dominant systematic uncertainties arise from the amount of material in the tracking volume and from the magnetic field strength.
Original languageEnglish
Article number052006
JournalPhysical Review D
Volume72
Issue number5
DOIs
Publication statusPublished - 22 Sep 2005

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