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

Presentation Date

March 2011

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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Mar 26th, 12:00 AM

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.