Measurement of the Lifetime of the Doubly Charmed Baryon Ξ[subscript cc][superscript ++]
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PhysRevLett.121.052002.pdf
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Author(s)
Aaij, R.
Adeva, B.
Adinolfi, M.
Aidala, C. A.
Ajaltouni, Z.
Akar, S.
Albicocco, P.
Albrecht, J.
Alessio, F.
Alexander, M.
Date Issued
July 2018
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Aaij, R. et al. "Measurement of the Lifetime of the Doubly Charmed Baryon Ξ[subscript cc][superscript ++]." Physical Review Letters 121, 5 (August 2018): 052002 © 2018 CERN for the LHCb Collaboration
Version
Final published version
Abstract
The first measurement of the lifetime of the doubly charmed baryon Ξ[subscript cc][superscript ++] is presented, with the signal reconstructed in the final state Λ[subscript c][superscript +]K[superscript -]π[superscript +]π[superscript +]. The data sample used corresponds to an integrated luminosity of 1.7 fb[superscript -1], collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV. The Ξ[subscript cc][superscript ++] lifetime is measured to be 0.256[subscript-0.022][superscript+0.024](stat)±0.014(syst) ps.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevLett.121.052002
