A Precision Measurement of the Lambda_c Baryon Mass

Details A Precision Measurement of the Lambda_c Baryon Mass A Precision Measurement of the Lambda_c Baryon Mass

2005-07-01

arxiv.org/abs/hep-ex/0507009v1

Phys.Rev.D72:052006,2005

Physics

High Energy Physics

High Energy Physics - Experiment

14 pages, 8 postscript figures, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.72.052006

The $\Lambda_c^+$ baryon mass is measured using $\Lambda_c^+\to\Lambda K^0_S K^+$ and $\Lambda_c^+\to\Sigma^0 K^0_S K^+$ decays reconstructed in 232 fb$^{-1}$ of data collected with the BaBar detector at the PEP-II asymmetric-energy $e^+e^-$ storage ring. The $\Lambda_c^+$ mass is measured to be $2286.46\pm0.14\mathrm{MeV}/c^2$. The dominant systematic uncertainties arise from the amount of material in the tracking volume and from the magnetic field strength.

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