Using a data sample of pp collisions corresponding to an integrated luminosity of 3 fb<sup>-1</sup>, the Ξb- and Ωb- baryons are reconstructed in the Ξb-→J/ψΞ- and Ωb-→J/ψΩ- decay modes and their lifetimes measured to beτ(Ξb-)=1.55-0.09+0.10(stat)±0.03(syst)ps,τ(Ωb-)=1.54-0.21+0.26(stat)±0.05(syst)ps. These are the most precise determinations to date. Both measurements are in good agreement with previous experimental results and with theoretical predictions. © 2014 The Authors.
Aaij, R., Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Albrecht, J., et al. (2014). Measurement of the Ξb- and Ωb- baryon lifetimes. PHYSICS LETTERS. SECTION B, 736, 154-162 [10.1016/j.physletb.2014.06.064].
Measurement of the Ξb- and Ωb- baryon lifetimes
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2014
Abstract
Using a data sample of pp collisions corresponding to an integrated luminosity of 3 fb
-1 , the Ξb- and Ωb- baryons are reconstructed in the Ξb-→J/ψΞ- and Ωb-→J/ψΩ- decay modes and their lifetimes measured to beτ(Ξb-)=1.55-0.09+0.10(stat)±0.03(syst)ps,τ(Ωb-)=1.54-0.21+0.26(stat)±0.05(syst)ps. These are the most precise determinations to date. Both measurements are in good agreement with previous experimental results and with theoretical predictions. © 2014 The Authors.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/89334
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