Measurements of CP violation in the three-body phase space of charmless B[superscript ±] decays
Name
PhysRevD.90.112004.pdf
Size
1.52 MB
Format
Adobe PDF
Checksum (MD5)
2756a6a1e123b70fa71e8c780a687e58
Author(s)
Aaij, R.
Adeva, B.
Adinolfi, M.
Affolder, A.
Ajaltouni, Z.
Akar, S.
Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
Date Issued
December 2014
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aaij, R., et al. "Measurements of CP violation in the three-body phase space of charmless B[superscript ±] decays." Phys. Rev. D 90, 112004 (December 2014). © 2014 CERN, for the LHCb Collaboration
Version
Final published version
Abstract
The charmless three-body decay modes B[superscript ±] → K[superscript ±]π[superscript +]π[superscript -], B[superscript ±] → K[superscript ±]K[superscript +]K[superscript -], B[superscript ±] → π[superscript ±]K[superscript +]K[superscript -] and B[superscript ±] → π[superscript ±]π[superscript +]π[superscript -] are reconstructed using data, corresponding to an integrated luminosity of 3.0 fb[superscript -1], collected by the LHCb detector. The inclusive CP asymmetries of these modes are measured to be A[subscript CP](B[superscript ±] → K[superscript ±]π[superscript +]π[superscript -]) = +0.025 ± 0.004 ± 0.004 ± 0.007, A[subscript CP](B[superscript ±] → K[superscript ±]K[superscript +]K[superscript -]) = -0.036 ± 0.004 ± 0.002 ± 0.007, A[subscript CP](B[superscript ±] → π[superscript ±]π[superscript +]π[superscript -]) = +0.058 ± 0.008 ± 0.009 ± 0.007, A[subscript CP](B[superscript ±] → π[superscript ±]K[superscript +]K[superscript -]) = -0.123 ± 0.017 ± 0.012 ± 0.007, where the first uncertainty is statistical, the second systematic, and the third is due to the CP asymmetry of the B[superscript ±] → J/ψK[superscript ±] reference mode. The distributions of these asymmetries are also studied as functions of position in the Dalitz plot and suggest contributions from rescattering and resonance interference processes.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Terms of Use
Creative Commons Attribution
Persistent DSpace Link
DOI of Published Version
http://dx.doi.org/10.1103/PhysRevD.90.112004
