research article
Study of excited Λb0Λb0 states decaying to Λb0π+π−Λb0π+π− in proton-proton collisions at s=s = 13 TeV
2020
A study of excited baryons is reported, based on a data sample collected in 2016–2018 with the CMS detector at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of up to 140. The existence of four excited states: , , , and in the mass spectrum is confirmed, and their masses are measured. The mass distribution exhibits a broad excess of events in the region of 6040–6100 MeV, whose origin cannot be discerned with the present data.
Type
research article
Author(s)
Corporate authors
CMS Collaboration
Date Issued
2020
Published in
Volume
803
Issue
135345
Editorial or Peer reviewed
REVIEWED
Written at
OTHER
EPFL units
Available on Infoscience
October 3, 2023
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