Observation of the Upsilon(2 3D1) and indication of the Upsilon(1 3D1)

Eef van Beveren; George Rupp

Observation of the Upsilon(2 3D1) and indication of the Upsilon(1 3D1)

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arxiv 1009.4097 v3 pith:LDVV4YUJ submitted 2010-09-21 hep-ph hep-exnucl-th

Eef van Beveren , George Rupp This is my paper · ORCID

classification hep-phhep-exnucl-th

keywords upsilonrespectivelyb-bbarbabarcentraldatadeviationsevidence

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We present evidence, from published BABAR data, for the existence of further excitations in the b-bbar spectrum, namely the long-awaited Upsilon(1D) and Upsilon(2D) with central masses of 10098 pm 5 MeV and 10492 pm 5 MeV, respectively. The significance of the Upsilon(1 3D1) and Upsilon(2 3D1) signals is found to be 3.0 and 10.7 standard deviations, respectively.

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