The first observation of two structures consistent with resonances in the final states Λb0π- and Λb0π+ is reported using samples of pp collision data collected by the LHCb experiment at s=7 and 8 TeV, corresponding to an integrated luminosity of 3 fb-1. The ground states Σb± and Σb∗± are also confirmed and their masses and widths are precisely measured.

Observation of Two Resonances in the Λb0 π± Systems and Precise Measurement of Σb± and Σb∗± Properties

Cardinale, R.;Neri, N.;Petrolini, A.;Sergi, A.;Spadaro Norella, E.;
2019-01-01

Abstract

The first observation of two structures consistent with resonances in the final states Λb0π- and Λb0π+ is reported using samples of pp collision data collected by the LHCb experiment at s=7 and 8 TeV, corresponding to an integrated luminosity of 3 fb-1. The ground states Σb± and Σb∗± are also confirmed and their masses and widths are precisely measured.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11567/1160089
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