PoS - Proceedings of Science
Volume 291 - 9th International Workshop on the CKM Unitarity Triangle (CKM2016) - Parallel WG5
Results from LHCb in charmless $b$-baryon decay
A. Merli* on behalf of the LHCb collaboration
*corresponding author
Full text: pdf
Pre-published on: June 05, 2017
Published on: June 13, 2017
Abstract
Since mostly unexplored, the heavy baryon sector is an interesting field where to search for new physics effects. Recent LHCb results in $b$-baryon decays to charmless final state are presented based on $pp$ collision data collected in 2011 and 2012 at centre-of-mass energies of $\sqrt{s} = 7$ TeV and 8 TeV, respectively. The total integrated luminosity collected is 3.0 $\text{fb}^{-1}$. New decays of $b$-baryons are presented and preliminary studies of $C\!P$ violation are performed. The first evidence of $C\!P$ violation in baryons is provided in $\Lambda_b^0\to p \pi^- \pi^+ \pi^-$ decays by means of the triple-product correlation technique. All the other presented $C\!P$ asymmetries are compatible with zero.
DOI: https://doi.org/10.22323/1.291.0103
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