Where is the χ_c0(2P)?

2012/08/06 by Feng-Kun Guo, Ulf-G. Meißner · 1 citation
Physics and Astronomy · #hep-ph #hep-ex #hep-lat

paper · pdf · doi:10.1103/physrevd.86.091501

published as Phys.Rev.D 86: 091501(R), 2012 · 6 pages, 1 figure

arxiv created 2012/08/06 · arxiv updated 2012/11/05

Abstract

Although the analysis of the BaBar Collaboration prefers J^P=0⁺ for the X(3915), it is difficult to assign the X(3915) to the χ_c0(2P). We show that there is an indication of the χ_c0(2P) with a mass around 3840 MeV and width of about 200 MeV in the Belle and BaBar data for γγ--> D D.

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