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High Energy Physics - Experiment

arXiv:1506.00234 (hep-ex)
[Submitted on 31 May 2015 (v1), last revised 22 Dec 2015 (this version, v3)]

Title:Search for CP violation In B0-B0bar mixing using partial reconstruction of B0bar -> D*+Xl-nubar and kaon tagging

Authors:The BABAR Collaboration
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Abstract:We describe in detail a previously published measurement of CP violation induced by B0-anti B0 oscillations, based on an integrated luminosity of 425.7 fb-1 collected by the BABAR experiment at the PEPII collider. We apply a novel technique to a sample of about 6 million B0bar -> D*+ l- nubar decays selected with partial reconstruction of the D*+ meson. The charged lepton identifies the flavor of one B meson at its decay time, the flavor of the other B is determined by kaon tagging. We determine a CP violating asymmetry ACP = (0.0006 +- 0.0017 + 0.0038 - 0.0032). This measurement is consistent and competitive with those obtained at the B factories with dilepton events.
Comments: 15 pages, 5 figure, submitted to Phys. Rev. D
Subjects: High Energy Physics - Experiment (hep-ex)
Cite as: arXiv:1506.00234 [hep-ex]
  (or arXiv:1506.00234v3 [hep-ex] for this version)
  https://doi.org/10.48550/arXiv.1506.00234
Journal reference: Phys. Rev. D 93, 032001 (2016)
Related DOI: https://doi.org/10.1103/PhysRevD.93.032001

Submission history

From: Martino Margoni [view email]
[v1] Sun, 31 May 2015 14:07:50 UTC (835 KB)
[v2] Fri, 5 Jun 2015 15:02:33 UTC (835 KB)
[v3] Tue, 22 Dec 2015 18:01:11 UTC (330 KB)
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