Poster Title (Current Submission)

Observation of the X(3872) through Exclusive B+ Decays at the CDF Detector

Major(s)

Applied Physics

Mentor Name

Jane Nachtman

Mentor Department

Physics

Abstract

We present the first statistically signicant observation of the X(3872) from

exclusive B decays produced through proton-proton collisions at 1.96 TeV collected

using the CDF II detector at the Fermilab Tevatron. We observed 89 +/- 14

X(3872) events through 6.0 inverse femtobarns of integrated luminosity. This measurement corresponded to a signicance of 9.2 standard deviations. Our measured mass of the X(3872) was 3871.71 +/- 0.52(stat) +/- 0.52 (syst) MeV/c^2.

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Observation of the X(3872) through Exclusive B+ Decays at the CDF Detector

We present the first statistically signicant observation of the X(3872) from

exclusive B decays produced through proton-proton collisions at 1.96 TeV collected

using the CDF II detector at the Fermilab Tevatron. We observed 89 +/- 14

X(3872) events through 6.0 inverse femtobarns of integrated luminosity. This measurement corresponded to a signicance of 9.2 standard deviations. Our measured mass of the X(3872) was 3871.71 +/- 0.52(stat) +/- 0.52 (syst) MeV/c^2.