Search for CP violation through an amplitude analysis of D0 → K+K−π+π− decays
Name
Aaij2019_Article_SearchForCPViolationThroughAnA.pdf
Description
Published version
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724.81 KB
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Checksum (MD5)
b000ac2703dd695d26c861593266ee8a
Author(s)
The LHCb Collaboration
Boettcher, Thomas Julian
Craik, Daniel C
Weisser, Constantin
Williams, Michael
Date Issued
February 1, 2019
Journal
Journal of High Energy Physics
Version
Final published version
Abstract
© 2019, The Author(s). A search for CP violation in the Cabibbo-suppressed D 0 → K + K − π + π − decay mode is performed using an amplitude analysis. The measurement uses a sample of pp collisions recorded by the LHCb experiment during 2011 and 2012, corresponding to an integrated luminosity of 3.0 fb −1 . The D 0 mesons are reconstructed from semileptonic b-hadron decays into D 0 μ − X final states. The selected sample contains more than 160 000 signal decays, allowing the most precise amplitude modelling of this D 0 decay to date. The obtained amplitude model is used to perform the search for CP violation. The result is compatible with CP symmetry, with a sensitivity ranging from 1% to 15% depending on the amplitude considered.[Figure not available: see fulltext.]
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Terms of Use
Creative Commons Attribution 4.0 International license
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1007/JHEP02(2019)126
